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Motorhome Diesel Engine Oil

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Buy 5 Quarts - GET FREE SHIPPING - Promo code: FIVE221
Exclusive offer for Online and Preferred Customers

Signature Series Max-Duty Synthetic Diesel Oil 15W-40

Outstanding extreme-pressure protection
Delivers 6X more wear protection1
Maintains proper viscosity (thickness)
Minimizes oil consumption
Maximizes fuel efficiency
Excels in extreme temperatures

1Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222 using 5W-30 as worst-case representation

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Outstanding extreme-pressure protection
Delivers 6X more wear protection1
Maintains proper viscosity (thickness)
Minimizes oil consumption
Maximizes fuel efficiency
Excels in extreme temperatures

1Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222 using 5W-30 as worst-case representation

$11.80
Retail Price (USD)
Preferred Price: $8.80
Save: $3.00 Learn More
Package Size
Unit Of Measure
quantity

Buy 5 Quarts - GET FREE SHIPPING - Promo code: FIVE221
Exclusive offer for Online and Preferred Customers

Signature Series Max-Duty Synthetic Diesel Oil 5W-40

Outstanding extreme-pressure protection
Delivers 6X more wear protection1
Maintains proper viscosity (thickness)
Minimizes oil consumption
Maximizes fuel efficiency
Excels in extreme temperatures

1Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222 using 5W-30 as worst-case representation

View Detail Page View Full Details Link

Outstanding extreme-pressure protection
Delivers 6X more wear protection1
Maintains proper viscosity (thickness)
Minimizes oil consumption
Maximizes fuel efficiency
Excels in extreme temperatures

1Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222 using 5W-30 as worst-case representation

$12.00
Retail Price (USD)
Preferred Price: $8.95
Save: $3.05 Learn More
Package Size
Unit Of Measure
quantity

Buy 5 Quarts - GET FREE SHIPPING - Promo code: FIVE221
Exclusive offer for Online and Preferred Customers

Signature Series Max-Duty Synthetic Diesel Oil 0W-40

• Delivers 4X better cold-temperature performance1
Provides long-lasting engine protection
Maintains proper viscosity (thickness)
Minimizes oil consumption
Maximizes fuel efficiency

1When compared to SAE 15W-40 oil in the ASTM D5293 Cold Cranking Viscosity test

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• Delivers 4X better cold-temperature performance1
Provides long-lasting engine protection
Maintains proper viscosity (thickness)
Minimizes oil consumption
Maximizes fuel efficiency

1When compared to SAE 15W-40 oil in the ASTM D5293 Cold Cranking Viscosity test

$12.05
Retail Price (USD)
Preferred Price: $9.00
Save: $3.05 Learn More
Package Size
Unit Of Measure
quantity

Buy 5 Quarts - GET FREE SHIPPING - Promo code: FIVE221
Exclusive offer for Online and Preferred Customers

Signature Series Max-Duty Synthetic Diesel Oil 5W-30

Outstanding extreme-pressure protection
Delivers 6X more wear protection1
Maintains proper viscosity (thickness)
Minimizes oil consumption
Maximizes fuel efficiency
Excels in extreme temperatures

1Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222 using 5W-30 as worst-case representation

View Detail Page View Full Details Link

Outstanding extreme-pressure protection
Delivers 6X more wear protection1
Maintains proper viscosity (thickness)
Minimizes oil consumption
Maximizes fuel efficiency
Excels in extreme temperatures

1Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222 using 5W-30 as worst-case representation

$12.50
Retail Price (USD)
Preferred Price: $9.30
Save: $3.20 Learn More
Package Size
Unit Of Measure
quantity

Buy 5 Quarts - GET FREE SHIPPING - Promo code: FIVE221
Exclusive offer for Online and Preferred Customers

Signature Series Max-Duty Synthetic Diesel Oil 10W-30

Outstanding extreme-pressure protection
Delivers 6X more wear protection1
Maintains proper viscosity (thickness)
Minimizes oil consumption
Maximizes fuel efficiency
Excels in extreme temperatures

1Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222 using 5W-30 as worst-case representation

View Detail Page View Full Details Link

Outstanding extreme-pressure protection
Delivers 6X more wear protection1
Maintains proper viscosity (thickness)
Minimizes oil consumption
Maximizes fuel efficiency
Excels in extreme temperatures

1Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222 using 5W-30 as worst-case representation

$45.60
Retail Price (USD)
Preferred Price: $34.00
Save: $11.60 Learn More
Package Size
Unit Of Measure
quantity

Buy 5 Quarts - GET FREE SHIPPING - Promo code: FIVE221
Exclusive offer for Online and Preferred Customers

Heavy-Duty Synthetic Diesel Oil 15W-40

• Delivers 4X more wear protection1
Minimizes oil consumption
Excels in extreme temperatures
Helps keep trucks and equipment operating at peak performance
Offers outstanding value

1Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222 using 10W-30 as worst-case representation

View Detail Page View Full Details Link

• Delivers 4X more wear protection1
Minimizes oil consumption
Excels in extreme temperatures
Helps keep trucks and equipment operating at peak performance
Offers outstanding value

1Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222 using 10W-30 as worst-case representation

$8.30
Retail Price (USD)
Preferred Price: $5.90
Save: $2.40 Learn More
Package Size
Unit Of Measure
quantity

Buy 5 Quarts - GET FREE SHIPPING - Promo code: FIVE221
Exclusive offer for Online and Preferred Customers

Heavy-Duty Synthetic Diesel Oil 5W-40

• Delivers 4X more wear protection1
Minimizes oil consumption
Excels in extreme temperatures
Helps keep trucks and equipment operating at peak performance
Offers outstanding value

1Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222 using 10W-30 as worst-case representation

View Detail Page View Full Details Link

• Delivers 4X more wear protection1
Minimizes oil consumption
Excels in extreme temperatures
Helps keep trucks and equipment operating at peak performance
Offers outstanding value

1Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222 using 10W-30 as worst-case representation

$8.60
Retail Price (USD)
Preferred Price: $6.15
Save: $2.45 Learn More
Package Size
Unit Of Measure
quantity

Buy 5 Quarts - GET FREE SHIPPING - Promo code: FIVE221
Exclusive offer for Online and Preferred Customers

Heavy-Duty Synthetic Diesel Oil 10W-30

• Delivers 4X more wear protection1
Minimizes oil consumption
Excels in extreme temperatures
Helps keep trucks and equipment operating at peak performance
Offers outstanding value

1Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222 using 10W-30 as worst-case representation

View Detail Page View Full Details Link

• Delivers 4X more wear protection1
Minimizes oil consumption
Excels in extreme temperatures
Helps keep trucks and equipment operating at peak performance
Offers outstanding value

1Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222 using 10W-30 as worst-case representation

$8.20
Retail Price (USD)
Preferred Price: $5.85
Save: $2.35 Learn More
Package Size
Unit Of Measure
quantity

Buy 5 Quarts - GET FREE SHIPPING - Promo code: FIVE221
Exclusive offer for Online and Preferred Customers

Premium Protection 10W-40 Synthetic Motor Oil

For use in both gasoline and diesel engines. Offers multi-functionality and wear protection. Ideal for applications where the extra protection of a higher-viscosity oil is desired. Excellent for motor homes and older vehicles, as well as many types of modern equipment and compatible with some motorcycles.
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For use in both gasoline and diesel engines. Offers multi-functionality and wear protection. Ideal for applications where the extra protection of a higher-viscosity oil is desired. Excellent for motor homes and older vehicles, as well as many types of modern equipment and compatible with some motorcycles.
$12.15
Retail Price (USD)
Preferred Price: $9.05
Save: $3.10 Learn More
Package Size
Unit Of Measure
quantity

Buy 5 Quarts - GET FREE SHIPPING - Promo code: FIVE221
Exclusive offer for Online and Preferred Customers

DOMINATOR 20W-50 Competition Diesel Oil

The Confidence to Compete, The Protection To Win

AMSOIL DOMINATOR® 20W-50 Competition Diesel Oil is designed for professionals and enthusiasts who want a step up in diesel protection. It is specifically designed for high-horsepower diesel engines and delivers the benefits most important to diesel competitors, including robust durability, outstanding bearing protection and the ability to withstand the extreme pressures and temperatures common to diesel competition.
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AMSOIL DOMINATOR® 20W-50 Competition Diesel Oil is designed for professionals and enthusiasts who want a step up in diesel protection. It is specifically designed for high-horsepower diesel engines and delivers the benefits most important to diesel competitors, including robust durability, outstanding bearing protection and the ability to withstand the extreme pressures and temperatures common to diesel competition.
$12.45
Retail Price (USD)
Preferred Price: $9.25
Save: $3.20 Learn More
Package Size
Unit Of Measure
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