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Air and Fuel Air and Fuel Cooling Systems and Components

Stillen

Intercooler Reservoir Relocation Kit

$343.85 $299.00 Save $44.85

SKU: 401200-STILL

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In Stock
Ships by Aug 4
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INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Stillen Intercooler Reservoir Relocation Kit addresses a critical cooling limitation in the 2022-2026 Toyota Tundra and Sequoia with the 3.4L twin-turbo V6 engine, including those equipped with the i-FORCE MAX hybrid system. From the factory, the intercooler and radiator reservoirs share a common wall, which leads to radiant heat transfer and detrimental heat soak. This kit separates the two systems, creating a dedicated thermal management path that ensures lower intake air temperatures and faster recovery times. Designed for a clean, professional integration, the kit installs in 30-60 minutes near the passenger side fender well. It is compatible with both the factory OEM intake and the TruPower by Stillen intake system. Please note that compatibility with other aftermarket intake systems is not guaranteed, as their unique footprints may interfere with the relocation hardware. Proper operation requires the use of Toyota factory coolant to maintain system integrity. The kit has been validated through real-world testing with data logging, demonstrating significantly improved cooldown performance and more consistent power delivery under heavy load or towing conditions.

MIA's Description

The Stillen Intercooler Reservoir Relocation Kit is a cooling system upgrade designed for the 2022-2026 Toyota Tundra and Sequoia 3.4L twin-turbo V6. By separating the intercooler reservoir from the radiator system, this kit prevents heat soak caused by shared wall temperatures.

Installation takes approximately 30-60 minutes using basic tools, resulting in a clean engine bay integration near the passenger side fender well. This kit requires the use of Toyota factory coolant.

Fitment

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Specifications

BrandStillen
Part Number401200-STILL
CategoryAir and Fuel

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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