O'Reilly Auto Parts Coupons & Promo Codes

  • All 34
  • Coupons 13
  • Deals 21
15% OFF

Get 15% Off Item of $100+

Take full advantage of this given coupon code above to grab fabulous 15% off savings instantly when you make your purchase at oreillyauto.com. Terms and conditions apply.
  • 4 days left
IP15
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15% OFF

15% Off Select Products

15% off select order over $75+. Enter the given promo code above to enjoy fantastic 15% off savings instantly while shopping at O'Reilly Auto Parts.
  • 10-05-21
5OFF
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10% OFF

10% Off Order $75+

Take good advantage of this given great code above to grab extra 10% off savings at the checkout page of oreillyauto.com.
  • 4 days left
XTEN
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15% OFF

Take 15% Off All Orders

Choose your favorite items from oreillyauto.com and get them at affordable prices by using the coupon code above while making a purchase at oreillyauto.com.
  • 4 days left
EB15
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10% OFF

Get 10% Off Eligible Products

10% Military Discount On Retail Price Products. Valid ID is required. The Online Store is unable to offer a Military Discount at this time. Grab this hot offer which doesn’t require a promotional code to be applied at oreillyauto.com. Limited period only. Hurry to save. Terms and conditions apply.
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$15 OFF

$15 Off Eligible Purchases

Get a $15 Gift Card with purchase of select Sylvania bulbs. Snag this excellent offer which doesn’t require a coupon code to be entered at O'Reilly Auto Parts. Enjoy your shopping during this limited time offer. Terms and conditions apply.
  • 4 days left
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$25 OFF

Get $25 Off Eligible Products

Purchase one 5-gallon pail of Mobil Delvac 1300 Super Heavy Duty Diesel engine oil and receive a $25 VISA Prepaid Card. Purchase one 1-gallon jug of Mobil Delvac 1300 Super Heavy Duty Diesel engine oil and receive a $5 VISA Prepaid Card. Purchase one 5-gallon pail of Mobil Delvac 1300 Super Heavy Duty Diesel engine oil and receive a $25 VISA Prepaid Card. Purchase one 1-gallon jug of Mobil Delvac 1 ESP Heavy Duty Diesel engine oil and receive a $13 VISA Prepaid Card. Purchase one 1-gallon jug of Mobil 1 Turbo Diesel Truck Diesel engine oil and receive a $10 VISA Prepaid Card. Limit of four (4) 1-gallon jugs and limit of two (2) 5-gallon pails. Limit eleven (11) rebates per household. Use the excellent deal to get big discounts from O'Reilly Auto Parts. Terms and conditions apply.
  • 12-31-21
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$10 OFF

Save $10 on Select Orders

Purchase Bar’s Leaks Head Seal Blown Head Gasket Repair and receive a $10 Prepaid MasterCard. Limit of two (2) rebates per person/household/email per 30 day calendar period. Grab this fantastic deal which doesn’t require a coupon code to be applied at O'Reilly Auto Parts. Offer is only valid for a limited-time period. Terms and conditions apply.
  • 12-31-21
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$5 OFF

$5 Off Select Products

Purchase a Bar’s Leaks Oil Seal Engine oil Burning & Leak Repair product and receive a $5 prepaid MasterCard. Limit of two (2) rebates per person/household/email per 30-day calendar period. Please allow 10-12 weeks for processing your rebate. Save money on your orders without entering any code at O'Reilly Auto Parts. Seize this chance to save big. Terms and conditions apply.
  • 12-31-21
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$5 OFF

$5 Off Select Products

Save $5 + Earn 2X O'Rewards Points on Select Chemical Guys Products. Seize this amazing offer which doesn’t require a discount code to be entered at oreillyauto.com. Just click to read more detailed info on sale.
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$2 OFF

Get $2 Off Eligible Products

Save $2 on All Zerex OE Antifreeze & Coolant. You don't need a offer code of O'Reilly Auto Parts to grab this excellent deal. Enjoy your shopping during this limited time sale.
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Free Gifts

Get Free Gifts on Select Orders

Free Alternator & Starter Testing. Snag this hot promotion which doesn’t require a offer code to be applied at O'Reilly Auto Parts. Shop before this deal is gone! Terms and conditions apply.
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Free Gifts

Receive Free Gift W/ No Minimum Spend

Find this amazing sale which doesn’t require a coupon code to be entered at O'Reilly Auto Parts. Simply visit oreillyauto.com for more detailed info. Terms and conditions apply.
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Free Gifts

Free Gifts for Eligible Purchases

Free Store Services: Free Windshield Wiper Installation. Grab this fabulous sale which doesn’t require a promo code to be applied at O'Reilly Auto Parts. Limited time only. Hurry to save.
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Free Gifts

Get Free Gifts on Select Orders

Monroe Shocktober: get up to a $80 Visa prepaid card plus earn double O'Rewards points. Snag this wonderful offer which doesn’t require a promotional code to be entered at O'Reilly Auto Parts. Simply visit oreillyauto.com to get the promotion.
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Recently Expired O'Reilly Auto Parts Coupons

10% OFF

Enjoy 10% Discount on Purchases Over $115

Excluded brands contribute toward minimum purchase amount to qualify for offer but are not eligible for discount. (1 discount per order, per person, per day and all limits are per name, household or address. Maximum $50 Discount.). Grab extra 10% off discount on your order if you enter fabulous code when make your order at O'Reilly Auto Parts. Cannot be redeemed for cash. Terms and conditions apply.
  • 09-30-20
VE10
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10% OFF

Take 10% Off All Orders

To receive this amazing 10% off discount simply copy this given code and enter it in the right box while checking out at oreillyauto.com.
  • 10-07-20
AT10
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25% OFF

25% Off Eligible Purchases

Save 25% On Ignition Coils. Select your favorite items available from oreillyauto.com and receive them at affordable prices by using the promo code while you are shopping at oreillyauto.com.
  • 10-15-20
IL25
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15% OFF

Enjoy 15% Savings on Order Above $100

Online, Ship to Home orders only. Maximum discount $50. Obtain this chance to save extra money if you apply this given code at the right box while making an order at oreillyauto.com. Terms and conditions apply.
  • 09-10-21
EP15
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15% OFF

15% Savings on Your Purchase

To take this 15% off discount simply copy the given promo code above and enter it in the right box when you are at the checkout page of O'Reilly Auto Parts.
  • 09-22-21
ER15
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Labor Day
20% OFF

20% Off Eligible Purchases

Labor Day: 20% Off Regularly Priced Order of $100+. Maximum $50 Discount. Valid for one time use on regularly priced in-stock items. One discount per order, per person, per day and all limits are per name, household or address. Void if copied, transferred or where prohibited by law. Offer valid for retail customers only. Apply this given promo code above to take amazing 20% off savings instantly when you make your order at O'Reilly Auto Parts.
  • 09-06-21
RDAY
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15% OFF

15% Off Eligible Purchases

15% off select order over $100+. Choose your favored items available at oreillyauto.com and receive them at attractive prices by applying the code when make your purchase at oreillyauto.com.
  • 09-16-21
SE15
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