$25 Off Oil & Filter Change

Includes: replacing engine oil, Per specifications (Up to 5 quarts). Replacing oil filter. Checking/Adjusting fluid levels.

Offer valid at Cornerstone Mechanics LLC, 2749 Muscatel Ave, Rosemead, CA 91770. Coupons and specials cannot be combined with other offers. Cannot be redeemed for cash. Coupons and specials must be presented at the time of purchase.

Copyright ©2026 Cornerstone Mechanics LLC unless otherwise noted.
Expires: 12/31/2025