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Conventional, Synthetic, Racing, and Break-In Engine Oil

Get the most out of your engine with the industry’s best high performance engine oils. Our in-stock selection features automotive motor oil stalwarts, including...

Get the most out of your engine with the industry’s best high performance engine oils. Our in-stock selection features automotive motor oil stalwarts, including Lucas Oil, Edelbrock, COMP Cams, Red Line Synthetic Oil, Royal Purple, and more! We offer individual bottles, as well as sets as large as 12. Our oil types include synthetic oils, designed to perform better at both high and low temperatures, decrease evaporative loss, extend change intervals, improve fuel economy, and increase the life of your engine. We also carry semi-synthetic and mineral oils, all of which are available in virtually every weight. Oil...

Get the most out of your engine with the industry’s best high performance engine oils. Our in-stock selection features automotive motor oil stalwarts, including Lucas Oil, Edelbrock, COMP Cams, Red Line Synthetic Oil, Royal Purple, and more! We offer individual bottles, as well as sets as large as 12. Our oil types include synthetic oils, designed to perform better at both high and low temperatures, decrease evaporative loss, extend change intervals, improve fuel economy, and increase the life of your engine. We also carry semi-synthetic and mineral oils, all of which are available in virtually every weight. Oil is the lifeblood of your engine. Run with the best!

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15w40 Mobil Delvac Extreme Motor Oil 126771

15w40 Mobil Delvac Extreme Motor Oil 126771

Rebate Expires: 4/30/2026

This Mobil 1 product qualifies for a rebate! Go to https://promotions.mobil.com/offers/delvacrebate/

Get up to $80 back after rebates on qualifying Mobil 1 Delvac products! $10 back on 1-gallon, $12 back on 2.5-gallon, $40 back on a 5-gallon pail of Delvac 1 ESP/Extreme Oil. $5 back on 1-gallon, $7.50 back on 2.5-gallon $20 back on a 5-gallon pail of Delvac 1300 Oil. Limit $80 maximum rebate per household. Go to https://promotions.mobil.com/offers/delvacrebate/ to redeem. Valid on purchases made between 2/1/26 and 4/30/26. Online rebate requests must be received by 5/7/2026. Valid in 50 U.S. states and D.C. only. Purchased together on (1) receipt or separately and combined in (1) envelope.

15w40 Mobil Delvac Extreme Motor Oil 126771

Engine Oil, Delvac Extreme, Synthetic, 15W40, 5 Gallon, Each

Part Number: MOB-126771

4.0 out of 5 stars ( 8 )

Cannot be shipped Internationally

    • Rebate Expires: 4/30/2026

    This Mobil 1 product qualifies for a rebate! Go to https://promotions.mobil.com/offers/delvacrebate/

    Get up to $80 back after rebates on qualifying Mobil 1 Delvac products! $10 back on 1-gallon, $12 back on 2.5-gallon, $40 back on a 5-gallon pail of Delvac 1 ESP/Extreme Oil. $5 back on 1-gallon, $7.50 back on 2.5-gallon $20 back on a 5-gallon pail of Delvac 1300 Oil. Limit $80 maximum rebate per household. Go to https://promotions.mobil.com/offers/delvacrebate/ to redeem. Valid on purchases made between 2/1/26 and 4/30/26. Online rebate requests must be received by 5/7/2026. Valid in 50 U.S. states and D.C. only. Purchased together on (1) receipt or separately and combined in (1) envelope.

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Cannot be shipped Internationally

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