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$39.99

Kirkland Signature 5W-20 Full Synthetic Motor Oil 5-quart, 2-pack

2-5 Quart (4.73L) Bottles
Advanced Wear Protection
For Extended Engine Life
Helps Prevent Deposits
Helps Prevent Sludge Formation

Rated 4.8 out of 5 stars based on 2213 reviews.

(2213)

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$39.99

Kirkland Signature 0W-20 Full Synthetic Motor Oil 5-quart, 2-pack

2-5 Quart (4.73L) Bottles
Advanced Wear Protection
For Extended Engine Life
Maximizes Fuel Economy

Rated 4.8 out of 5 stars based on 2439 reviews.

(2439)

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$39.99

Kirkland Signature 5W-30 Full Synthetic Motor Oil, 5-quart, 2-pack

2-5 Quart (4.73L) Bottles
Advanced Wear Protection
For Extended Engine Life
Controls Thermal Breakdown

Rated 4.8 out of 5 stars based on 2413 reviews.

(2413)

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$79.99

Kirkland Signature 5W-30 Full Synthetic Motor Oil 5-quart, 4-pack

4-5 Quart (4.73L) Bottles
Advanced Wear Protection
For Extended Engine Life
Controls Thermal Breakdown

Rated 4.8 out of 5 stars based on 2413 reviews.

(2413)

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$49.99

Kirkland Signature 5W-30 Full Synthetic Motor Oil 1-Quart, 12-pack

12-1 Quart (946ml) Bottles
Advanced Wear Protection
For Extended Engine Life
Controls Thermal Breakdown

Rated 4.9 out of 5 stars based on 402 reviews.

(402)

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$79.99

Kirkland Signature 0W-20 Full Synthetic Motor Oil 5-quart, 4-pack

4-5 Quart (4.73L) Bottles
Advanced Wear Protection
For Extended Engine Life
Maximizes Fuel Economy

Rated 4.8 out of 5 stars based on 2439 reviews.

(2439)

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$49.99

Kirkland Signature 5W-20 Full Synthetic Motor Oil 1-Quart, 12-pack

12-1 Quart (946ml) Bottles
Advanced Wear Protection
For Extended Engine Life
Helps Prevent Deposits
Helps Prevent Sludge Formation

Rated 4.8 out of 5 stars based on 2213 reviews.

(2213)

Compare Product

$49.99

Kirkland Signature 0W-20 Full Synthetic Motor Oil 1-Quart, 12-pack

12-1 Quart (946ml) Bottles
Advanced Wear Protection
For Extended Engine Life
Maximizes Fuel Economy

Rated 4.8 out of 5 stars based on 252 reviews.

(252)

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$79.99

Kirkland Signature 5W-20 Full Synthetic Motor Oil 5-quart, 4-pack

4-5 Quart (4.73L) Bottles
Advanced Wear Protection
For Extended Engine Life
Helps Prevent Deposits
Helps Prevent Sludge Formation

Rated 4.8 out of 5 stars based on 2213 reviews.

(2213)

Compare Product

$79.99

Kirkland Signature 5-Quart 0W20 & 5W20 Full Synthetic Motor Oil, 4-pack

4-5 Quart (4.73L) Bottles
1 Case of 0W-20, 2-5 Quart (4.73L) Bottles
1 Case of 5W20, 2-5 Quart (4.73L) Bottles
100% Synthetic Formulation
Helps Prevent Low-Speed Pre-Ignition (LSPI)

Rated 4.7 out of 5 stars based on 93 reviews.

(93)

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$79.99

Kirkland Signature 5-Quart 5W20 & 5W30 Full Synthetic Motor Oil, 4-pack

4-5 Quart (4.73L) Bottles
1 Case of 5W-20, 2-5 Quart (4.73L) Bottles
1 Case of 5W-30, 2-5 Quart (4.73L) Bottles
100% Synthetic Formulation
Helps Prevent Low-Speed Pre-Ignition (LSPI)

Rated 4.8 out of 5 stars based on 109 reviews.

(109)

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$49.99

Kirkland Signature 1-Quart 5W20 & 5W30 Full Synthetic Motor Oil, 12-pack

12-1 Quart (946ml) Bottles
1 Case of 5W-20, 6-1 Quart (946ml) Bottles
1 Case of 5W-30, 6-1 Quart (946ml) Bottles
100% Synthetic Formulation
Helps Prevent Low-Speed Pre-Ignition (LSPI)

Rated 4.6 out of 5 stars based on 51 reviews.

(51)

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$79.99

Kirkland Signature 5-Quart 0W20 & 5W30 Full Synthetic Motor Oil, 4-pack

4-5 Quart (4.73L) Bottles
1 Case of 0W-20, 2-5 Quart (4.73L) Bottles
1 Case of 5W30, 2-5 Quart (4.73L) Bottles
100% Synthetic Formulation
Helps Prevent Low-Speed Pre-Ignition (LSPI)

Rated 4.8 out of 5 stars based on 114 reviews.

(114)

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$49.99

Kirkland Signature 1-Quart 0W20 & 5W30 Full Synthetic Motor Oil, 12-pack

12-1 Quart (946ml) Bottles
1 Case of 0W-20, 6-1 Quart (946ml) Bottles
1 Case of 5W30, 6-1 Quart (946ml) Bottles
100% Synthetic Formulation
Helps Prevent Low-Speed Pre-Ignition (LSPI)

Rated 4.8 out of 5 stars based on 47 reviews.

(47)

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$49.99

Kirkland Signature 1-Quart 0W20 & 5W20 Full Synthetic Motor Oil, 12-pack

12-1 Quart (946ml) Bottles
1 Case of 0W-20, 6-1 Quart (946ml) Bottles
1 Case of 5W20, 6-1 Quart (946ml) Bottles
100% Synthetic Formulation
Helps Prevent Low-Speed Pre-Ignition (LSPI)

Rated 4.9 out of 5 stars based on 47 reviews.

(47)

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$39.99

Mobil Full Synthetic Motor Oil, 1-Quart/6-pack

Available in 0W-20, 5W-20 and 5W-30 Viscosity Grades
6 Pack of 1-Quart Bottles
Guaranteed Protection for 1.5X Longer than Conventional Oil**
Helps Prevent Sludge and Deposit Formation
Maintains Oil Viscosity in High Operating Temperatures
Recommended for All Types of Gasoline-powered Vehicles

Rated 4.6 out of 5 stars based on 136 reviews.

(136)

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$39.99

Mobil Full Synthetic High Mileage Motor Oil, 1-Quart/6-pack

Available in 0W-20, 5W-20 and 5W-30 Viscosity Grades
6 Pack of 1-Quart Bottles
Guaranteed Protection for 1.5X Longer than Conventional Oil*
Specially Designed for Vehicles with over 75,000 Miles
Helps Prevent Sludge and Deposit Formation
Formulated with Extra Seal Conditioner to Prevent Leaks

Rated 4.7 out of 5 stars based on 89 reviews.

(89)

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Mobil 1 High Mileage Full Synthetic Motor Oil 5W-30, 1-Quart/6-pack

$33.49

After $10 OFF

Mobil 1 High Mileage Full Synthetic Motor Oil 5W-30, 1-Quart/6-pack

Protects Engine Parts For Up to 10,000 Miles Between Oil Changes*
Designed to Help Extend Engine Life for Vehicles With Over 75,000 Miles
Contains a Seal Conditioner to Help Reduce Oil Leaks
Helps Prevent Deposits and Sludge Buildup
Recommended for All Types of Modern Vehicles

Rated 4.8 out of 5 stars based on 348 reviews.

(348)

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Mobil 1 Advanced Fuel Economy Full Synthetic Motor Oil 0W-20, 1-Quart/6-pack

$33.49

After $10 OFF

Mobil 1 Advanced Fuel Economy Full Synthetic Motor Oil 0W-20, 1-Quart/6-pack

Protects Engine Parts for Up to 10,000 Miles between Oil Changes**
Helps Increase Engine Efficiency and Improve Fuel Economy*
Provides Outstanding Low-Temperature Capabilities
Helps Prevent Deposits and Sludge Buildup
Recommended for All Types of Modern Vehicles

Rated 4.8 out of 5 stars based on 1871 reviews.

(1871)

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Mobil 1 Advanced Full Synthetic Motor Oil 5W-30, 1-Quart/6-pack

$33.49

After $10 OFF

Mobil 1 Advanced Full Synthetic Motor Oil 5W-30, 1-Quart/6-pack

Protects Engine Parts for Up To 10,000 Miles Between Oil Changes*
Extends Engine Life for Vehicles of All Ages
Helps Prevent Deposits and Sludge Buildup
Meets or Exceeds Requirements of the Industrys's Toughest Standards
Recommended for all Types of Modern Vehicles

Rated 4.8 out of 5 stars based on 1552 reviews.

(1552)

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Mobil 1 0W-40 Full Synthetic Motor Oil, 1-Quart, 6-pack

$33.49

After $10 OFF

Mobil 1 0W-40 Full Synthetic Motor Oil, 1-Quart, 6-pack

Keeps Your Engine Running like New in all Driving Conditions
Has Enhanced Frictional Properties that Aids Fuel Economy
Helps Prevent Deposits and Sludge Buildup
Provides Exceptional Cleaning Power for Dirty Engines
Recommended for Many Types of Modern Vehicles

Rated 4.9 out of 5 stars based on 1194 reviews.

(1194)

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Mobil 1 High Mileage Full Synthetic Motor Oil 10W-30, 1-Quart/6-pack

$33.49

After $10 OFF

Mobil 1 High Mileage Full Synthetic Motor Oil 10W-30, 1-Quart/6-pack

Protects Engine Parts For up to 10,000 Miles Between Oil Changes*
Designed to Help Extend Engine Life for Vehicles with Over 75,000 Miles
Contains a Seal Conditioner to Help Reduce Oil Leaks
Helps Prevent Deposits and Sludge Buildup
Recommended for all Types of Modern Vehicles

Rated 4.9 out of 5 stars based on 171 reviews.

(171)

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Mobil 1 Advanced Full Synthetic Motor Oil 5W-20, 1-Quart/6-pack

$33.49

After $10 OFF

Mobil 1 Advanced Full Synthetic Motor Oil 5W-20, 1-Quart/6-pack

Protects Engine Parts for Up to 10,000 Miles Between Oil Changes*
Extends Engine Life for Vehicles of All Ages
Helps Prevent Deposits and Sludge Buildup
Meets or Exceeds Requirements of the Industry's Toughest Standards
Recommended for All Types of Modern Vehicles

Rated 4.8 out of 5 stars based on 999 reviews.

(999)

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Mobil 1 Advanced Full Synthetic Motor Oil 10W-30, 1-Quart/6-pack

$33.49

After $10 OFF

Mobil 1 Advanced Full Synthetic Motor Oil 10W-30, 1-Quart/6-pack

Protects Engine Parts for Up to 10,000 Miles Between Oil Changes*
Extends Engine Life for Vehicles of All Ages
Helps Prevent Deposits and Sludge Buildup
Meets or Exceeds Requirements of the Industry’s Toughest Standards
Recommended for all Types of Modern Vehicles

Rated 4.8 out of 5 stars based on 567 reviews.

(567)

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Shop Related Categories

Garage & Shop Accessories

Interstate Batteries

First Aid

Tires

When it comes to keeping your car running like a well-oiled machine, you know there’s no better place to get your motor oil than Costco. Our superb quality, combined with our low wholesale prices, makes us your No. 1 stop for all your auto needs. From auto & truck accessories to trailer tires, we have a diverse selection of supplies to choose from. So whether you’re in the market for a heavy-duty diesel engine oil or a synthetic motor oil for advanced fuel economy, you can trust Costco.com to carry the motor oil you’re looking for. At Costco, we care about your car, just like we care about you. Shop today and save big!

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