July 6th through 9th get 20% off $125 with code VACATION20 Online, Ship to Home orders only. Max discount of $50. Shop Now | Get Details
Overheating can cause the head gasket to fail, cylinder heads or the engine block to warp or crack, or in extreme cases, the engine oil can break down, causing pistons to crack or the engine to seize. Learn why your vehicle may overheat and how to diagnose the problem.
O'Reilly Automotive, Inc. | 233 S. Patterson, Springfield, MO 65802 | 1-888-327-7153
20% off $125+: Valid on regularly priced in-stock items for Ship to Home orders that when purchased together total $125 or more (before tax, shipping and discount) on the OReillyAuto.com website only. Excludes AIRAID, B&M, Bully Dog, DeVilbiss, Edelbrock, Flowmaster, Holley, Hurst, Ingersoll-Rand, K&N, MSD, SCT, and Spectre items.
To Redeem Offer: Add qualifying items totaling $125 or more to your shopping cart and select “Ship” as your delivery method. Enter promo code VACATION20 in the cart. The total in your shopping cart will be adjusted after promo code is applied. Excluded brands contribute toward minimum purchase amount to qualify for offer but are not eligible for discount. (Maximum $50.00 Discount.) Valid Monday, July 6th to Thursday, July 9th, 2026 (11:59pm Hawaii Time Zone). Coupon code is not redeemable for cash, is nontransferable and cannot be replaced if lost or stolen. Not valid on same-day delivery orders. Void if copied, transferred or where prohibited by law. Customer pays sales tax and shipping fees.
Offer subject to adjustment due to returns, cancellations and exchanges. Additional taxes and duties may apply. Not valid with any other promotional gift with purchase. Offer may be modified or discontinued at any time without notice.
Offer Terms: Offer does not apply to gift card orders. Offer does not apply to Lead-Acid batteries. Cannot be used in combination with any other certificates, offers, or discounts or for payment on account. Not valid on previous purchases or store purchases. Shipping & handling and taxes do not qualify towards the minimum purchase. Valid for retail customers only. OReillyAuto.com only ships orders within the U.S.
Excluded Brands: Offer does not apply to AIRAID, B&M, Bully Dog, DeVilbiss, Edelbrock, Flowmaster, Holley, Hurst, Ingersoll-Rand, K&N, MSD, SCT, and Spectre items.
Featured Products: SAVE $2 Zerex Antifreeze & Coolant, ZRX Various 128 oz.; Hot Shot’s Secret Engine Oil Additive, HSS HSS16Z 16 oz., $17.99 Each,10x O’Rewards Points = $5 Reward*; K-Seal Coolant Leak Repair, KSL ST5501 8 oz., $15.99 Each, 2x O’Rewards Points; Rislone Hy-per Cool Super Coolant Radiator Coolant, RIS HPC100 16 oz., $8.99 Each, 2x O’Rewards Points. Prices effective 6/24/26 – 7/28/26. Prices and savings may vary.
*O’Rewards reward generated only for members who have a zero to positive point balance.
