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Buick Rainier Parts and Accessories

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Limited availability on pre-2010 parts. Factory parts for vehicles older than 2010 are getting harder to source every year. We can still get many of them through GM remaining stock and vintage parts channels, but supply is limited and availability changes without notice. If your part shows in the catalog, order it and we will confirm availability right away, or contact us first and we will check before you buy.

The Buick Rainier ran from 2004 through 2007. GMT360 mid-size SUV, the Buick counterpart to the TrailBlazer. Because that run covers more than one engineering generation in most cases, the single most important thing you can do before ordering is confirm which year you are working on. Parts that look interchangeable across a nameplate very often are not.

Front-drive and all-wheel-drive versions differ through the rear suspension, exhaust and underbody. Every part listed here is a genuine GM component with the factory part number, not an aftermarket reproduction.

The parts we move most on the Buick Rainier are headlamp assemblies, mirror assemblies, AC compressors, wheel speed sensors and power steering components. On a mid-size SUV these are the components where the difference between a factory part and a discount replacement shows up fastest, because they carry load, heat or both. Send us your VIN before you order and our parts specialists will confirm the exact part number for your vehicle.

Orders placed by 3pm Central usually ship the same business day from our Dallas warehouse, which keeps transit times short across most of the country. If you are working on something else in the lineup, our full Buick catalog covers the full catalog.