Need a new oil pump for your GM vehicle? This M353 oil pump is exactly what you're looking for! It replaces OEM numbers 12640448, 224-43667 and works with tons of popular models. Fits Buick Enclave from 2008-2016, LaCrosse, Cadillac ATS, CTS, SRX, Chevrolet Camaro, Equinox, Traverse, GMC Acadia, Terrain, and even some Saturn and Saab models. Specifically designed for those 2.8L, 3.0L, and 3.6L V6 DOHC engines that GM uses in so many vehicles. A good oil pump is absolutely essential - it keeps oil flowing properly through your engine, lubricating all those moving parts and preventing expensive damage. This isn't a job for beginners though - we highly recommend professional installation since it involves getting into the engine internals. The quality is top-notch though, made in TS16949 certified facilities and thoroughly tested before shipping. You get everything you need for a complete installation, so no running around for extra parts. Whether your current pump is failing or you're doing a engine rebuild, this reliable oil pump will keep your vehicle running smoothly for years to come. Don't risk engine damage from poor oil pressure - fix it right with this quality replacement!