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Northwest Power & Performance, LLC is a full service diesel repair shop in Maple Valley, WA. We understand your diesel repair needs and are here to serve you. We're performance enthusiast's with several years of experience.

Though diesel is our passion, we're also an automotive & boat repair & performance shop with custom engine building.

We strive to provide honest affordable repairs and customer service is important to us, we want to provide you with a repair shop you can trust.

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Servicing your needs from basic maintenance to the most extreme repairs 

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Complete custom performance engine builds 

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Welding & fabrication repair with stick/mig/tig working with steel, stainless, and aluminum 

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Improve efficiency, reduce operating cost with our fleet maintenance program

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CALL US

EMAIL US

OPENING HOURS

Mon - Fri: 8am - 5pm

SOCIAL MEDIA

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LOCATION

Maple Valley, WA 98038