Oils, Fluids and Sealer› Oils, Fluids and Additives

Red Line

Red Line Diesel Water Wetter - 5 Gallon

$785.37

SKU: R00B 80216

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

Red Line Oil Diesel Water Wetter Coolant Additive is a specialized coolant additive for diesel engines to improve thermal efficiency. It reduces water's surface tension for better heat transfer and cooling, effective in high-performance and heavy-duty applications to reduce overheating. Claims to reduce coolant temperatures by up to 20°F.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandRed Line
Part NumberR00B 80216

Videos

Does it work? Redline Water Wetter Review

Does it work? Redline Water Wetter Review
Do "Super Coolants" Lower Engine Temperature By 30 Degrees?

Do "Super Coolants" Lower Engine Temperature By 30 Degrees?
Red Line 85 Plus Diesel enhancer

Red Line 85 Plus Diesel enhancer

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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