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.
IMPROVED PROTECTION - at startup, lower oil temp, cleanliness, used by top teams in NASCAR, Spec engines for Camping World East and West Series, and used by many of the top Dirt Late Model teams | VERSATILE PRODUCT - used in stock car racing, road racing and sprint cars | POLYOL ESTER BASE STOCKS - provide more stability and film strength when exposed to excess fuel dilutio | MULTI-GRADE RACE OIL - offering 2-4% more power than oil of a similar viscosity - 20WT is a 5W20, 30WT is a 10W30, 40WT is a 15W40, 50WT is a 15W50 | WHY RED LINE - Established in 1979, Red Line Products perform & protect better than any on the market. No compromises
I've been using Red Line 10405 15W40 oil for my track days and it really helps my engine run smoothly. The synthetic blend holds up under high temps and I've noticed better performance overall. Definitely worth the investment for serious racers!
S
Shauna Patel
Arrived with a dented can
I was excited to use this Red Line motor oil, but the can arrived all dented. Luckily, the oil itself seems fine and is performing well in my race car, but I expected better packaging. Just a little disappointed with the delivery.
T
Tomás Garcia
Oil stopped working after a few uses
I was really looking forward to using the Red Line 15W40, but it didn't hold up as expected. After a couple of races, I started noticing some performance issues. Not sure if it was a bad batch or what, but I won't be buying this again.
J
Jenny Lee
Decent oil but pricey
The Red Line synthetic race oil works well, no doubt about that. My car seems to operate better with this 15W40 compared to standard oils. Just wish it wasn't so expensive for a gallon. Still, I'd buy it again for the performance it delivers.
D
David Chiang
Mixed feelings after using it
I tried the Red Line 10405 for my diesel truck, and while it does protect the engine well, I found it a bit too thick. Might work better for racing cars, but not sure I’ll stick with it for everyday use. It got the job done, just not my favorite.
Free Shipping
Quality Support
Return & Refund
Gift Voucher
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.
