Home/Shop by Part/Oil Pump/Buick Searching for Buick Oil Pump Narrow The Number Of Models Shown By Telling Us The Year Year 2005 2004 Choose your Buick Model R Rainier Oil Pump Over 3,000 Installation Videos Watch the 1A Auto Videos We're here to help 888-844-3393 hablamos español: 866-401-3393 NEWS & TIPS TO YOUR INBOX Sign up for our newsletter Submit Customer Feedback "Thanks for the fast reliable service. Great price, and the headlights were as good as oem or better!!! Keep up the good work..." - Dwuan M. Read More Buick is a registered trademark of General Motors Company. 1A Auto is not affiliated with or sponsored by Buick or General Motors Company. See all trademarks.