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This PCV valve is a direct replacement for a bunch of GM vehicles with the 2.5L engine. Fits models like the Buick Envision (2016-2020), Cadillac ATS/CT6 (2013-2019), Chevy Camaro, Colorado, Impala, Malibu (2013-2022), GMC Acadia, Canyon, Yukon (2015-2023), and more. Replaces part numbers 12637664, 12655400, 12665644, 12665167. It's made from high-quality ABS plastic, so it's durable and won't corrode. The PCV valve helps manage crankcase pressure—basically, it reroutes fumes back to the intake to be burned. A bad one can cause rough idling, stalling, or even hurt fuel economy. This one's easy to install and comes with a one-year warranty. If you're having engine performance issues, checking the PCV valve is a good first step.
4.8 out of 5