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Is your Chevy Trailblazer or GMC Envoy with the 4.2L inline-6 engine shaking or vibrating more than usual? Worn engine mounts could be the culprit. This is a 2-piece set of front engine (motor) mounts from OMNI 5, designed to fit the front left and right positions. The part number is MK1123-02 (often referred to as K1123). It replaces OEM part numbers like GP3021 and A5137. These mounts are crucial – they hold your engine in place and absorb vibrations. When they wear out, you can feel it! This is a brand new set that comes with the mounts themselves. The seller notes the warranty is a 'one time replacement only.' They're made in China. Replacing worn motor mounts can make your ride significantly smoother and quieter. Make sure your SUV is a 2002-2009 Trailblazer/Envoy with the 4.2L engine before ordering, and consider getting a mechanic to install them if you're not comfortable with the job.
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