In-Line Modules

In-line modules are essential control components installed directly into a vehicle's wiring harness or fluid routing to regulate, monitor, or optimize system performance. These modules sit between sensors, actuators, and the ECU, handling tasks such as fuel pump speed control, ignition timing, voltage regulation, and signal conditioning. Whether you're replacing a failed factory unit or upgrading for greater reliability, our collection covers a wide range of applications.

Each module is built to withstand underhood heat, vibration, and moisture. Expect sealed connectors, weather-resistant housings, and high-grade internal electronics that match or exceed OEM durability. Installation is typically plug-and-play with factory-style connectors, though some applications may require basic wiring or mounting. Always verify the module's electrical specifications—voltage range, current rating, and pin count—against your vehicle's service manual before ordering.

  • Stand-alone controllers that bypass or supplement the OEM ECU
  • Common in fuel, ignition, charging, and emissions systems
  • Available in solid-state and relay-based designs
  • Look for weatherproof seals and corrosion-resistant terminals

When choosing an in-line module, match the connector style, wire gauge provisions, and mounting footprint to your existing setup. Our specialists can help you cross-reference part numbers and confirm compatibility—reach out if you need assistance.

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aFe POWER SCORCHER GT Power Module 77-42015 with black aluminum housing and factory-style wiring harness

$387.00

In stock
Black powder-coated aFe Scorcher GT module with wiring harness and factory-style connectors

$387.00

In stock
aFe POWER SCORCHER GT performance module with plug-and-play wire harness and LED adjustment switch.

$387.00

In stock

Can’t Find the Part You Need?

Our catalog represents only a portion of the automotive products available through our supplier network. If you cannot find a specific part, brand, or application on our website, submit a request below, and our team will help source it for you.

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