Fits Nissan RB20DET engines.

The ISR Performance OE Replacement Water Pump is a precision-engineered cooling solution designed to restore the thermal management of your RB-series engine. As a critical component of the cooling system, this water pump ensures consistent coolant circulation, preventing localized hotspots and protecting your engine from overheating during both daily driving and performance use.

Built to meet or exceed original equipment standards, this pump serves as a direct-fit replacement for a worn, leaking, or noisy factory unit. It features a robust housing and high-quality internal seals to provide a reliable, long-term service life. Proper cooling is vital for the RB20DET, and installing a fresh water pump is a proactive way to maintain engine health and cooling efficiency.

• Direct OE replacement for Nissan RB20DET engines
• Precision-machined housing for exact fitment and sealing
• Ensures consistent coolant flow to maintain optimal operating temperatures
• Includes necessary hardware for standard installation
• Manufacturer Part Number: OE-21010-70TY5

Maintain optimal engine temperatures and cooling system efficiency with the ISR Performance OE Replacement Water Pump. Engineered specifically for Nissan RB25 and RB26 engines, this pump provides a reliable, direct-fit solution to prevent overheating and ensure consistent coolant circulation throughout the block and head.

This water pump is a critical maintenance item for any RB-series refresh or build. It is designed to meet or exceed factory flow characteristics, utilizing a durable cast housing and precision-engineered impeller. By replacing a worn water pump, you protect your engine from potential bearing failure and catastrophic coolant leaks.

• Direct-fit OE replacement for Nissan RB25 and RB26 engines
• Ensures consistent coolant flow and heat dissipation
• Durable construction for long-term reliability
• Replaces Manufacturer Part Number: OE-21010-24U26

Fits select 1999-2005 Ford F-250 Super Duty, F-350 Super Duty, and Excursion (7.3L).

Factory plastic degas tanks are notorious for becoming brittle and cloudy after years of heat cycles, making them prone to hairline fractures and difficult to inspect. The Mishimoto Micro-Wrinkle Black Aluminum Degas Tank (MPN: MMRT-F2D-99EMWBK) provides a permanent, heavy-duty solution for the 7.3L Powerstroke cooling system. This tank is constructed from high-quality aluminum with professional TIG welds, ensuring it withstands the pressures of a hardworking diesel cooling system without the risk of cracking.

This design offers a 43% increase in coolant capacity over the original equipment, providing better thermal management. A built-in sight glass allows for immediate coolant level checks without removing the cap, and an integrated 1/8-inch NPT port facilitates the installation of an aftermarket pressure sensor or gauge. The unit is finished in a durable micro-wrinkle black powder coat and is backed by the Mishimoto Lifetime Warranty.

• Full aluminum construction with durable TIG welds
• 43% increase in coolant capacity over the stock degas tank
• Integrated sight glass for effortless level monitoring
• Includes 1/8" NPT port for easy pressure monitoring
• Corrosion-resistant micro-wrinkle black powder-coated finish
• Manufacturer Part Number: MMRT-F2D-99EMWBK

Fits 2011-2019 Ford F-250 and F-350 Super Duty models (6.7L Powerstroke).

The factory primary degas tank on the 2011-2019 Ford Super Duty is a known failure point. Constructed from plastic, the original equipment (OE) tank becomes brittle over time due to constant heat cycles, leading to hairline cracks and coolant leaks. The Mishimoto MMRT-F2D-11PN aluminum degas tank provides a permanent solution by replacing the plastic unit with a durable, fully-welded aluminum component.

This tank is precision-engineered with TIG-welded seams for maximum strength under pressure. To simplify maintenance, Mishimoto integrated a sight glass into the side of the tank, allowing for instant coolant level checks without having to open the system. This tank is finished in a natural aluminum and is designed to endure the high-stress environment of a hard-working 6.7L Powerstroke engine.

• Direct fit for the 2011-2019 Ford 6.7L Powerstroke primary cooling system
• Full-aluminum construction for superior durability and heat resistance
• Precision TIG-welds ensure leak-free performance
• Integrated sight glass for effortless coolant level monitoring
• Manufacturer Part Number: MMRT-F2D-11PN

Fits 2011-2019 Ford F-250 and F-350 Super Duty (6.7L Powerstroke).

The factory plastic degas tank on the 6.7L Powerstroke is a known failure point. Over repeated heat cycles, the original equipment plastic becomes brittle, leading to hairline cracks and coolant leaks that can leave your truck stranded. The Mishimoto aluminum primary degas tank solves this by replacing the failure-prone plastic with a durable, fully-welded aluminum unit designed to last the life of your Super Duty.

This tank features precision TIG-welded seams for maximum strength under pressure and includes an integrated sight glass, allowing you to check coolant levels at a glance without opening the system. Finished in a micro-wrinkle black powder coat, it provides a clean, professional look under the hood while resisting corrosion.

• Direct fit for the 2011-2019 Ford 6.7L Powerstroke
• Full aluminum construction with durable TIG welds
• Integrated sight glass for easy coolant level monitoring
• Micro-wrinkle black finish for superior durability and aesthetics
• Manufacturer Part Number: MMRT-F2D-11PMWBK

Vehicle Fitment:

Fits 2011-2019 Ford F-250 and F-350 Super Duty (6.7L Powerstroke).

Replace your failure-prone factory plastic expansion tanks with the Mishimoto Aluminum Degas Tank Kit. Designed for maximum durability in heavy-duty applications, these tanks eliminate the common issue of cloudy, muddy-looking plastic that makes it impossible to check coolant levels. Constructed from high-quality aluminum with precision TIG welds, these tanks feature internal baffling to keep coolant properly contained even during off-road use or heavy towing.

This kit includes both the primary and secondary cooling system degas tanks, providing a comprehensive upgrade for your 6.7L Powerstroke. With a 9.86% increase in total coolant capacity over stock, these tanks offer improved cooling potential and are finished in a natural aluminum look. Each kit is backed by a lifetime warranty for long-term reliability.

• Manufacturer Part Number: MMRT-F2D-11KN
• Full aluminum construction with durable TIG-welded seams
• 9.86% increase in total coolant capacity over OE tanks
• Internal baffling prevents coolant sloshing and aeration
• Includes both primary and secondary cooling system tanks
• Natural aluminum finish

Fits 2011-2019 Ford F-250 and F-350 Super Duty models (6.7L Powerstroke).

Replace the failure-prone factory plastic tanks with the Mishimoto Aluminum Degas Tank Kit. Designed for high-duty cycles and long-term reliability, these tanks eliminate the common issue of plastic fatigue and clouding. Constructed from full aluminum with precision TIG-welds, this kit includes both the primary and secondary cooling system tanks. The internal baffling ensures coolant stays stabilized during heavy towing or off-road use, while the 9.86% increase in total capacity adds a crucial margin of cooling potential for your 6.7L Powerstroke engine.

• Full aluminum construction for maximum durability and heat resistance
• Includes both primary and secondary cooling system degas tanks
• Precision TIG-welded seams for leak-free performance
• Internal baffling maintains coolant placement on rough terrain
• 9.86% increase in total coolant capacity over stock units
• Finished in a durable micro-wrinkle black powder coat
• Direct fit for 2011-2019 Ford 6.7L Powerstroke applications
• Manufacturer Part Number: MMRT-F2D-11KMWBK
• Mishimoto Lifetime Warranty

Fits 2008-2010 Ford F-250 and F-350 Super Duty (6.4L Powerstroke).

The factory plastic degas tank on the 6.4L Powerstroke is a known failure point. Over time, repeated heat cycles cause the OEM thermoplastic to become brittle and cloudy, leading to hairline cracks, coolant leaks, and difficulty monitoring fluid levels. The Mishimoto Aluminum Degas Bottle (MMRT-F2D-08EN) provides a permanent solution with a fully-welded, all-aluminum design that withstands high cooling system pressures and engine bay heat.

This tank features precision TIG-welding for maximum durability and includes an integrated sight tube, allowing for instant coolant level checks without the need for a flashlight. For enthusiasts looking to monitor system performance, Mishimoto has included an additional 1/8-inch NPT port for easy installation of a pressure sensor or gauge. This unit serves as a direct-fit replacement, cleaning up the engine bay while ensuring long-term reliability.

• Direct fit for the 2008-2010 Ford 6.4L Powerstroke
• Full aluminum construction with durable TIG-welds
• Integrated sight tube for easy coolant level monitoring
• Additional 1/8-inch NPT port for pressure sensors
• Available in micro-wrinkle black powdercoat or natural finish
• Manufacturer Part Number: MMRT-F2D-08EN

Fits 2003-2007 Ford F-250/F-350 Super Duty and Ford Excursion (6.0L).

The factory plastic degas bottle in the 6.0L Powerstroke is a known failure point, often cracking or leaking due to repeated heat cycles and high cooling system pressures. The Mishimoto MMRT-F2D-03P Aluminum Degas Bottle provides a durable, permanent solution. Constructed from high-quality aluminum with precision TIG welds, this reservoir is designed to withstand the rigors of heavy-duty use while improving engine bay aesthetics with its polished finish.

• Direct-fit replacement for the failure-prone factory plastic reservoir
• Full aluminum construction with durable TIG welds for maximum pressure resistance
• Integrated sight tube allows for quick and accurate monitoring of hot and cold coolant levels
• Polished finish provides a clean, custom look for the engine compartment
• Internal baffles prevent coolant sloshing during high-performance or off-road driving
• Manufacturer Part Number: MMRT-F2D-03P

This part is compatible with the following vehicles:

• 2003-2005 Ford Excursion (Eddie Bauer, Limited, XLS, XLT)
• 2003-2007 Ford F-250 Super Duty (Harley-Davidson, King Ranch, Lariat, XL, XLT)
• 2003-2007 Ford F-350 Super Duty (Harley-Davidson, King Ranch, Lariat, XL, XLT)

Fits 2003-2007 Ford F-250/F-350 Super Duty and 2003-2005 Ford Excursion (6.0L).

The Mishimoto aluminum degas bottle is a heavy-duty solution for the common failure point of the factory plastic reservoir. Engineered for the high-pressure environment of the 6.0L Powerstroke cooling system, this tank is constructed from high-quality aluminum with precision TIG-welds for maximum durability. Unlike the OE plastic unit which is prone to cracking and leaking over time, this aluminum replacement provides a permanent fix that withstands extreme under-hood temperatures.

This reservoir features an integrated sight tube, allowing you to quickly and accurately monitor hot and cold coolant levels without opening the system. It is designed as a direct-fit upgrade, mounting to factory locations for a clean installation.

• Full aluminum construction with durable TIG-welds
• Integrated sight tube for easy coolant level monitoring
• Replaces failure-prone factory plastic degas reservoir
• Durable black finish
• Manufacturer Part Number: MMRT-F2D-03BK

This ISR Performance Water Neck Outlet is a precision-engineered replacement for the factory cooling component on Nissan SR20DET (S14) engines. Designed to simplify the installation of aftermarket sensors or cooling lines, it eliminates the need for bulky radiator hose adapters or intrusive cutting of the factory cooling system.

• Features an integrated 1/8 NPT port for coolant temperature sensors or turbo water feed lines
• Direct bolt-on replacement for the OEM S14 SR20DET water neck outlet
• Precision machined flange ensures a flat, leak-free mating surface with the cylinder head
• Cast construction for long-term durability and heat resistance
• Manufacturer Part Number: IS-WN-S14