Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
⚠️ California Proposition 65 Warning : Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
From farm and construction equipment to on-highway fleets, heavy workloads and hauling, Valvoline Heavy Duty Diesel Synthetic Blend 15W-40 Engine Oil is specially formulated with targeted additive technology for engines operating in extreme duty cycles or severe environmental contamination conditions. Proven to maximize diesel engine life, our latest heavy duty diesel synthetic blend lubricant is engineered to control wear, deposits and oil breakdown while providing enhanced viscosity and oxidation stability. No matter the weather, you can count on excellent year-round performance in Cummins, Volvo, Mack, Ford, Caterpillar, Detroit Diesel engines and more. For superior wear protection in harsh environments and extreme applications, trust Valvoline Heavy Duty Diesel Synthetic Blend 15W-40 Engine Oil to keep your vehicles working as hard as you do.
I ordered the 2.5-gallon Valvoline engine oil, but it arrived with a dent in the container. Luckily, the oil itself was fine, and it works well in my diesel engine. Just wish the packaging could have been better—shipping took longer than expected too!
S
Samantha Lee
Decent oil but a bit pricey
This Valvoline oil does the job well, but I found it to be on the higher side of the price spectrum for diesel engine oils. It kept my engine running smoothly, but I’ve seen similar products at a lower cost. Just a thought for anyone looking to save a little cash!
C
Carlos Ramirez
Great oil for my truck
I've been using Valvoline's synthetic blend for my diesel engine, and it's been fantastic! The 15W-40 weight works perfectly in my truck, especially during the colder months. I feel confident knowing I'm using a reliable product for heavy-duty performance.
F
Fatima Nasir
My go-to engine oil for heavy-duty use
Valvoline has become my go-to for diesel engine oil. This 15W-40 synthetic blend performs exceptionally well under load. I tow heavy trailers often, and I feel like this oil really protects my engine. Highly reliable and no issues so far!
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FAQs
Have a question ? We are here to help.
Is the shipping free?
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.
