This pair of Haltech Flex Fuel Fittings (HT-011030) provides a reliable solution for plumbing GM-style flex fuel sensors into performance fuel systems. Designed to adapt the 3/8" GM spring lock (quick-disconnect) ports found on common ethanol content sensors to a standard -6AN male flare, these fittings enable a secure, leak-free connection to aftermarket braided or PTFE fuel lines.

Constructed for high-pressure fuel environments, these adapters are essential for E85 conversions and ethanol-based tuning setups. By converting to AN threads, you eliminate the need for factory plastic clips and rubber hoses, ensuring a professional and durable installation.

• Application: Suits GM Flex Fuel Sensors with 3/8" ports
• Connector A: 3/8" GM Spring Lock (Female)
• Connector B: -6AN Male Flare
• Includes: Two (2) fittings per package
• Manufacturer Part Number: HT-011030

The Haltech HT-011001 Flex Fuel Composition Sensor Plug and Pins kit provides the essential components required to wire an ethanol content sensor into your vehicle's engine management system. This connector set is ideal for new installations or for repairing a damaged harness, ensuring a secure, vibration-resistant electrical connection to maintain signal integrity for your ECU.

• Designed for use with Haltech Flex Fuel Composition Sensors
• Includes (1) 3-pin connector plug housing
• Includes (3) high-quality wiring terminals (pins)
• Direct replacement for lost or damaged sensor connectors
• Manufacturer Part Number: HT-011001

Monitor your ethanol concentration and fuel temperature in real-time with the Haltech Flex Fuel Composition Sensor (HT-011000). Designed for high-performance EFI systems, this sensor allows your ECU to dynamically adjust ignition timing and fuel delivery based on the ethanol content in your fuel system, providing a seamless transition between pump gas and E85.

• Precision Monitoring: Accurately measures ethanol percentage and fuel temperature for precise engine management.
• OEM-Style Fitment: Designed to suit 3/8" GM Spring Lock style fuel fittings for a secure, leak-free connection.
• Complete Kit: Includes the matching electrical plug and three connector pins for a clean, professional wiring installation.
• Durable Construction: Built to withstand high-pressure fuel environments and automotive heat cycles.
• Manufacturer Part Number: HT-011000

The Haltech HT-010921 is a precision-machined thread adaptor designed to bridge the gap between different fitting standards. This component allows you to install sensors with an M10 x 1.0 thread pitch—specifically Bosch combination fluid pressure and temperature sensors—into standard 1/8 BSPT ports.

Manufactured from high-grade stainless steel, this adaptor provides excellent resistance to corrosion and thermal cycling, ensuring a reliable, leak-free seal for critical engine monitoring systems.

• Manufacturer Part Number: HT-010921
• Material: Stainless Steel
• Thread Specs: M10 x 1.0 to 1/8 BSPT
• Compatibility: Suits Bosch Combination Fluid Pressure and Temperature Sensors
• Construction: Corrosion-resistant stainless steel for durability in engine bay environments

The Haltech Bosch 145 PSI Fuel/Oil Pressure and Temperature Sensor (HT-010920) is a high-precision dual-purpose component designed for advanced engine monitoring. By combining pressure and temperature sensing into a single unit, it simplifies plumbing and reduces potential leak points in your fuel or oil system.

This sensor utilizes a genuine Bosch element to deliver accurate, real-time data to your ECU, essential for engine safety triggers, compensation tables, and data logging. It is engineered to withstand the harsh conditions of high-performance automotive environments, ensuring reliable feedback for critical engine vitals.

• Pressure Range: 0 to 145 PSI (10 Bar)
• Functionality: Simultaneous pressure and temperature measurement
• Compatibility: Suitable for use with fuel or oil systems
• Component: Genuine Bosch sensing element for maximum accuracy
• Part Number: HT-010920

The Haltech 500 PSI TI Pressure Sensor (HT-010916) provides the high-resolution data required for precise engine management and critical safety strategies. Built with a genuine Texas Instruments sensing element, this sensor delivers a stable linear 0-5V signal, making it an essential component for monitoring high-pressure automotive systems where accuracy is non-negotiable.

This robust sensor is engineered to withstand the vibration and thermal cycles found in performance engine bays. It is typically utilized for monitoring fuel pressure in high-horsepower applications, oil system pressure, or nitrous oxide bottle pressure, allowing your ECU to perform real-time data logging and trigger engine protection maps if pressures deviate from safe operating parameters.

• Manufacturer Part Number: HT-010916
• Pressure Rating: 500 PSI
• Sensor Element: Texas Instruments (TI)
• Signal Type: Linear 0-5V Analog
• Compatibility: Universal application for fuel, oil, or nitrous systems

The Haltech HT-010910 is a professional-grade pressure sensor engineered for the high-vibration environment of motorsport applications. Featuring a durable stainless steel diaphragm, this sensor is designed to provide accurate data while resisting the corrosive properties of high-octane fuels, engine oils, and pressurized air.

With a 150 PSI range, this sensor is highly versatile and commonly used for monitoring fuel pressure, oil pressure, or wastegate dome pressure. The 1/8 NPT thread allows for direct installation into most aftermarket fuel rails, oil sandwich plates, and turbocharger components. This kit includes the necessary electrical connector and pins to ensure a secure, weather-sealed connection to your engine management system.

• Pressure Range: 0 - 150 PSI
• Sensor Type: Stainless Steel Diaphragm
• Thread Size: 1/8 NPT
• Manufacturer Part Number: HT-010910
• Compatible Media: Fuel, Oil, Air/Wastegate
• Includes: Pressure sensor, matching plug, and terminal pins

Monitor critical engine parameters with precision using the Haltech 250 PSI TI Pressure Sensor. Engineered for high-performance data logging and engine protection, this sensor utilizes a genuine Texas Instruments (TI) internal sensing element to provide accurate and repeatable pressure readings for fuel systems, oiling circuits, or wastegate and dome pressure control.

• Pressure Range: 0 to 250 PSI
• Applications: Fuel pressure, oil pressure, wastegate/dome pressure monitoring
• Sensor Technology: Texas Instruments (TI) internal element
• Signal Output: Linear 0-5V analog signal
• Compatibility: Designed for Haltech ECUs and compatible with most aftermarket engine management systems
• Manufacturer Part Number: HT-010906

This sensor is an essential component for implementing pressure-based safety strategies, such as fuel pressure compensation or engine protection maps. Its robust design is built to withstand the heat and vibration of high-performance engine bays, ensuring reliable data for tuning and diagnostics.

The Haltech HT-010904 is a high-precision Texas Instruments (TI) pressure sensor engineered to deliver accurate data to your engine management system. Designed to measure up to 150 PSI, this sensor provides the reliable feedback necessary for monitoring critical engine vitals or managing boost control logic.

Built to withstand the high-vibration and high-temperature environment of a performance engine bay, this sensor is a versatile solution for tracking fuel pressure, oil pressure, or wastegate dome pressure. Its compact form factor allows for easy installation into fuel rails, oil blocks, or wastegate ports.

• Manufacturer Part Number: HT-010904
• Pressure Rating: 0 to 150 PSI
• Internal Sensor Type: Texas Instruments (TI)
• Compatible Media: Fuel, Oil, and Air
• Application: Fuel pressure, oil pressure, and wastegate pressure monitoring

Monitor critical engine temperatures with precision using the Haltech HT-010874 Open Tip Thermocouple. This 1/4-inch probe is designed for high-performance applications where rapid thermal response is essential, such as Exhaust Gas Temperature (EGT) monitoring or specialized fluid sensing. The open-tip design allows the sensing element to be directly exposed to the flow, providing faster data updates than enclosed probes.

This thermocouple features an extra-long 87-inch lead, offering ample length for clean routing through the engine bay to your ECU or expansion module. Please note that this unit is supplied as the sensor and lead only; it does not include fitting hardware.

• Manufacturer Part Number: HT-010874
• Probe Diameter: 1/4 inch
• Sensor Type: Open tip for fast response
• Lead Length: 87 inches
• Fitment: Universal application; requires appropriate compression fitting for installation

The Haltech HT-010871 is a high-response 1/4-inch open tip thermocouple engineered for precise temperature monitoring in demanding automotive environments. Featuring an extra-long 73-1/2 inch lead, this sensor provides the necessary reach for routing through the engine bay or chassis to your ECU or data acquisition system.

The open-tip design allows for immediate exposure to exhaust gases or fluids, ensuring the fastest possible response time—critical for monitoring Exhaust Gas Temperatures (EGT) during tuning and high-load operation. This sensor is a direct component for users requiring accurate thermal data without the lag associated with closed-tip probes.

• Manufacturer Part Number: HT-010871
• Sensor Type: Open Tip Thermocouple
• Probe Diameter: 1/4 inch
• Lead Length: 73-1/2 inches (73.5in)
• Hardware: Sold separately (no fitting hardware included)

The Haltech HT-010866 is a high-response 1/4-inch open tip thermocouple designed for precise temperature monitoring in performance applications. The open tip design allows the sensor to react rapidly to thermal fluctuations, making it an essential tool for monitoring exhaust gas temperatures (EGT) where immediate data is critical for engine tuning and safety.

Equipped with a 51-inch lead, this thermocouple provides sufficient length for clean routing from the exhaust manifold or intake tract back to your Haltech ECU or data acquisition system. This unit is sold as the sensor and lead only, allowing you to select the specific compression fittings or weld-in bungs required for your specific manifold material and thickness.

• Manufacturer Part Number: HT-010866
• Sensor Type: Open tip for rapid thermal response
• Diameter: 1/4 inch
• Lead Length: 51 inches
• Hardware: Fitting hardware not included

Monitor critical temperatures with precision using the Haltech HT-010865 1/4-inch open tip thermocouple. Engineered for high-performance engine management, the open tip design provides a faster response rate compared to enclosed sensors, making it an essential tool for capturing rapid temperature fluctuations during tuning or high-load operation.

This thermocouple features a 46-1/2 inch lead, offering ample length for clean routing from your exhaust manifold or fluid source to your ECU or CAN expansion hub. This unit is intended as a replacement sensor or for custom installations where you already have the necessary compression fittings, as it is supplied without hardware.

• Manufacturer Part Number: HT-010865
• Sensor Type: 1/4" Open Tip Thermocouple
• Lead Length: 46-1/2 inches
• Fast-response design for real-time data acquisition
• Mounting: No fitting hardware included

Monitor critical engine temperatures with precision using the Haltech 1/4in Open Tip Thermocouple (HT-010863). Designed for high-speed thermal sensing, the open-tip configuration provides a rapid response rate, making it an essential tool for monitoring Exhaust Gas Temperature (EGT) in performance tuning applications.

This thermocouple features a 37-1/2 inch lead length to accommodate various engine bay and exhaust configurations. Note that this component is supplied without fitting hardware, allowing you to select the specific compression fitting or bung required for your installation.

• Type: Open tip thermocouple for fast response
• Diameter: 1/4 inch
• Lead Length: 37-1/2 inches
• Application: High-performance EGT or CHT sensing
• Hardware: Fitting hardware sold separately
• Manufacturer Part Number: HT-010863

The Haltech HT-010813 is a professional-grade stainless steel compression fitting kit designed for secure, leak-proof installations of sensors and fluid lines. This hardware kit allows you to adapt a 1/4-inch tube to a standard 1/8-inch NPT threaded port, making it an essential component for mounting exhaust gas temperature (EGT) probes or plumbing small-diameter hard lines in performance automotive environments.

Constructed from high-quality stainless steel, this fitting provides superior corrosion resistance and thermal stability compared to standard brass or mild steel fittings. The compression-style seal is engineered to withstand the vibrations and extreme temperature cycles found in engine bays and exhaust systems.

• Manufacturer Part Number: HT-010813
• Tube Diameter: 1/4 in
• Thread Pitch: 1/8 in NPT
• Material: Stainless Steel
• Components Included: Fitting body, compression nut, and ferrule

Securely mount sensors or hard lines to your fabrication projects with the Haltech 1/4in Stainless Steel Weld-On Kit. This professional-grade fitting provides a robust, leak-free connection point for applications such as Exhaust Gas Temperature (EGT) sensors or fluid pressure monitoring where a 1/4-inch hard line interface is required.

• Manufactured from high-grade stainless steel for superior weldability and corrosion resistance in high-heat environments.
• Includes a matching compression nut and ferrule for a complete, airtight installation.
• Designed for permanent integration into stainless steel intake or exhaust piping.
• Manufacturer Part Number: HT-010812

The Haltech HT-010808 is a specialized hardware component designed for 1/4-inch compression fitting assemblies. This set includes a single nut and a precision-machined brass ferrule, providing the necessary components to create a reliable, leak-free seal on hard lines or sensor probes.

Commonly used in vacuum, pressure, and fluid management systems, the brass ferrule is designed to deform slightly upon tightening to grip the line securely without compromising the tubing's integrity. This makes it an essential replacement or spare part for automotive sensor installations and ECU-related plumbing where precision and reliability are required.

• Manufacturer Part Number: HT-010808
• Tube Diameter: 1/4 inch
• Material: Brass ferrule for superior sealing performance
• Application: Compression fitting systems for sensors and hard lines
• Included Hardware: (1) Nut, (1) Brass Ferrule

The Haltech NTK Wideband Hardware Pack (HT-010747) provides the essential components for high-accuracy air/fuel ratio monitoring in performance tuning applications. Genuine NTK sensors are widely preferred by professional tuners for their superior durability and resistance to leaded fuels and extreme exhaust temperatures compared to standard wideband options.

This hardware pack includes a genuine NTK wideband sensor, an adapter harness for seamless integration with your Haltech engine management system, and a weld-in bung to ensure a secure and leak-free installation in your exhaust system.

• High-Accuracy Sensor: Genuine NTK wideband oxygen sensor for precise AFR data.
• Integrated Adapter: High-quality adapter harness for clean electrical connectivity.
• Weld-In Bung: Includes standard threaded bung for exhaust pipe mounting.
• Part Number: HT-010747

The Haltech LSU 4.9 Wideband Hardware Pack provides the essential components for accurate air-fuel ratio (AFR) monitoring and engine tuning. This kit is designed for use with Haltech wideband controllers and ECUs to ensure your fuel management system receives precise, high-speed data from the exhaust stream.

Featuring the industry-standard Bosch LSU 4.9 sensor, this hardware pack is preferred for its superior accuracy and longevity compared to older sensor designs. The included adaptor harness allows for a secure, plug-and-play connection to your wideband controller, while the weld-in bung provides a permanent mounting solution for your exhaust downpipe or header.

• Genuine Bosch LSU 4.9 Wideband Oxygen Sensor
• Weld-in O2 sensor bung for secure exhaust installation
• Adaptor harness for seamless integration
• Manufacturer Part Number: HT-010746

The Haltech Onboard Wideband Sensor Pack is engineered for seamless integration with Elite PRO Direct Plug-in ECUs, providing the essential hardware for high-accuracy air-fuel ratio (AFR) monitoring. This kit enables closed-loop fuel control and precise engine tuning by utilizing the ECU's onboard wideband controller capability, reducing the need for external modules.

This hardware pack centers around the industry-standard Bosch LSU 4.9 oxygen sensor, known for its response speed and durability. The included 1.2-meter (4-foot) harness is fully terminated for a direct connection to the ECU's auxiliary connector, ensuring a clean and reliable installation. A weld-on stainless steel bung is also provided for secure sensor mounting in the exhaust system.

• Manufacturer Part Number: HT-010740
• Compatibility: Specifically for Haltech Elite PRO Direct Plug-in ECUs
• Sensor Type: Bosch LSU 4.9
• Harness Length: 1.2m (4')
• Included Hardware: LSU 4.9 sensor, pre-terminated harness, and weld-on sensor bung

The Haltech HT-010727 NTK Wideband Adaptor Harness is a purpose-built solution for integrating NTK wideband sensors into your vehicle's management system. Designed for a direct plug-and-play interface with Haltech Nexus series harnesses, this adaptor eliminates the need for custom pinning or wire splicing, ensuring a secure and reliable signal for critical air-fuel ratio monitoring.

• Direct Compatibility: Engineered specifically for NTK wideband sensors and Haltech Nexus series main harnesses.
• Extended Reach: 1200mm (approx. 47 inches) length allows for flexible routing from the exhaust bung to the electronics bay.
• Plug-and-Play: Factory-terminated connectors for a secure, moisture-resistant connection.
• Reliable Signal: High-quality automotive-grade wiring maintains signal integrity for precise tuning and closed-loop compensation.
• MPN: HT-010727

The Haltech LSU 4.9 Wideband Adaptor Harness (HT-010726) provides a direct, plug-and-play connection between a Bosch LSU 4.9 sensor and your vehicle's wiring system. This harness is specifically engineered to interface seamlessly with Haltech Nexus series harnesses, ensuring a secure and reliable connection without the need for custom terminal pinning or soldering.

• Converts Bosch LSU 4.9 wideband sensor connector to a DTM6 connector
• Compatible with Haltech Nexus series engine management harnesses
• Maintains high-integrity signal transmission for accurate air-fuel ratio (AFR) data
• Durable, automotive-grade construction for long-term engine bay reliability
• Manufacturer Part Number: HT-010726

The Haltech HT-010723 is a 400mm wideband flying lead adaptor harness designed for seamless integration with Haltech Nexus series ECUs. This harness provides the essential electrical pathway for wideband oxygen sensors, enabling the precise air-fuel ratio (AFR) monitoring required for accurate tuning and closed-loop fueling strategies.

• Manufacturer Part Number: HT-010723
• Length: 400mm
• Harness Type: Flying lead adaptor
• Compatibility: Specifically suits Haltech Nexus series ECUs
• Function: Connects wideband sensors to ECU for real-time AFR data

The Haltech HT-010719 Wideband Extension Harness provides 1200mm of additional length for your air-fuel ratio monitoring system. Specifically engineered to interface with Bosch LSU 4.9 sensors, this harness is essential for custom exhaust configurations, rear-mounted turbocharger setups, or any application where the standard sensor lead cannot reach the controller.

Constructed with high-quality automotive-grade wiring and factory-style connectors, this extension ensures a secure, weather-sealed link. It provides a true plug-and-play solution that maintains the integrity of the sensitive wideband signal, eliminating the need for manual wire splicing which can introduce resistance and affect sensor accuracy during tuning.

• Product Type: Wideband Extension Harness
• Length: 1200mm (approx. 4 feet)
• Compatibility: Bosch LSU 4.9 Wideband Sensors
• Manufacturer Part Number: HT-010719
• Connectors: OE-spec weather-sealed plugs

Ensure precise air-fuel ratio (AFR) monitoring with the Haltech HT-010718 Bosch LSU 4.9 Wideband Oxygen Sensor. Designed for high-performance tuning, this sensor provides the critical feedback necessary for optimizing fuel maps and protecting your engine under high-load conditions.

The Bosch LSU 4.9 is an industry-standard wideband solution known for its fast response time and long-term stability. This unit includes a factory-integrated calibration resistor within the connector, which simplifies installation and ensures accuracy without the need for frequent free-air recalibration. It serves as a direct replacement sensor for Haltech wideband controllers and engine management systems.

• Genuine Bosch LSU 4.9 wideband sensor technology
• Includes factory calibration resistor connector
• High-accuracy sensing for professional-grade engine tuning
• Stable performance with improved longevity over LSU 4.2 designs
• Manufacturer Part Number: HT-010718

Monitor your engine's air-fuel ratio with professional-grade precision using the Haltech Bosch LSU 4.2 Wideband O2 Sensor. This genuine Bosch sensor is a critical component for high-performance tuning, providing the high-speed, accurate AFR feedback required by your ECU or wideband controller to optimize fuel delivery and protect engine internals.

• Genuine Bosch LSU 4.2 wideband technology
• Provides precise real-time air-fuel ratio (AFR) data
• Integrated internal heating element for rapid operating temperature stabilization
• Engineered for high-temperature exhaust environments
• Haltech Part Number: HT-010714

The Haltech HT-010712 is a genuine NTK LZA08-H5 Wideband Sensor that has been precision-modified to meet the rigorous demands of high-performance tuning. Haltech enhances the base sensor by adding a thin-walled spring steel radial shroud at the tip, which significantly improves sensor longevity and signal accuracy when operating in extremely rich air-to-fuel ratio (AFR) environments.

This modified sensor is designed for professional tuners and enthusiasts who require reliable, high-speed feedback from their ECU in conditions where standard wideband sensors often lose calibration or fail prematurely. The added shroud protects the internal ceramic element while maintaining the fast response time needed for precise engine management.

• Manufacturer Part Number: HT-010712
• Sensor Type: Genuine NTK LZA08-H5
• Modification: Thin-walled spring steel radial shroud at the sensor tip
• Primary Benefit: Enhanced durability and accuracy in extremely rich AFR conditions
• Compatibility: Replaces or upgrades standard NTK LZA08-H5 sensors in Haltech-equipped systems

The Haltech HT-010610 is a high-precision, single-channel Hall effect sensor designed for accurate timing and speed synchronization. Featuring a robust M12x1.0 threaded body, this sensor produces a digital square wave signal, making it a reliable solution for monitoring wheel speed, crankshaft position, or camshaft rotation in high-performance EFI applications.

• Manufacturer Part Number: HT-010610
• Thread Pitch: M12x1.0
• Sensor Type: Single Channel Hall Effect
• Housing Color: Red
• Primary Applications: Wheel Speed, Crankshaft, Camshaft
• Inclusions: Matching set of Deutsch DTM 3-pin connectors (HT-031014)

This sensor is built to withstand the rigors of performance environments, ensuring consistent signal integrity. Each unit comes complete with a set of Deutsch DTM 3 connectors to facilitate a secure, moisture-resistant electrical connection.

The Haltech HT-010609 is a GT101-style high-frequency Hall Effect sensor designed for precision signal monitoring in demanding automotive environments. This 18mm diameter sensor provides a clean digital signal for critical engine and chassis data, making it an ideal choice for tracking wheel speed, crankshaft position, or camshaft timing.

Engineered for high-speed switching applications, this sensor ensures accurate data transmission to your ECU or data logger even at high RPM or high wheel velocities. The kit comes complete with a matching set of Deutsch DTM 3-pin connectors to ensure a secure, weather-sealed electrical connection during installation.

• Manufacturer Part Number: HT-010609
• Sensor Type: Hall Effect (High Frequency)
• Housing Diameter: 18mm
• Common Applications: Wheel speed, crank position, cam position
• Included Hardware: Matching set of Deutsch DTM 3 connectors (HT-031014)

The Haltech HT-010509 Dual Switch Panel Kit provides a professional, dashboard-mounted solution for on-the-fly ECU adjustments. This kit is engineered for drivers who need tactile control over critical engine management parameters, such as boost levels, traction control sensitivity, or ignition timing maps, without the need for a laptop interface.

The package includes a dual-slot mounting panel and two high-precision 12-position rotary trim modules. These modules feature distinct mechanical detents at each position, ensuring accurate selection even in high-vibration racing environments. A high-visibility yellow knob is included to provide a quick visual reference for the driver's primary adjustment module.

• Manufacturer Part Number: HT-010509
• Includes (1) Dual-slot mounting panel
• Includes (2) 12-position rotary trim modules for multi-map or trim switching
• Includes (1) High-contrast yellow adjustment knob
• Provides 12 distinct positions for precise parameter calibration