The factory power steering cooler on your 2002-2009 Chevy Trailblazer or GMC Envoy is an air-to-liquid cooling unit that utilizes incoming air from the vehicle’s grill to cool the power steering fluid. Though these designs are tried and true, they wear out and fail, especially with high mileage, as the fins become clogged, reducing cooling capacity, causing the tubes to crack, and allowing slow leaks. The Mishimoto Replacement Power Steering Oil Cooler is a direct fit to the OEM, making it easy to install and equivalent to the OEM Specifications of performance. This product requires no modifications and is backed by Mishimoto’s Lifetime warranty. Replace your power steering cooler and prevent premature failure.. Replacement Power Steering Cooler, fits Chevy Trailblazer/GMC Envoy 2002-2009. Mishimoto 02-09 Chevy Trailblazer Power Steering Cooler. Replaces clogged/leaking factory power steering cooler. Equivalent to OEM specifications for fit and function. Durable, corrosion-resistant aluminum construction. Mishimoto MMOC-TBLZ-02PS. Power Steering Cooler. Power Steering

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