Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Product Discontinued
Currently Unavailable
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
![Racing Super Coolant Additive [16 oz.]](https://www.jegs.com/images/mini_200/500/555/555-72324.jpg)
Single Bottles
- Radiator Relief for Diesels
- 16 oz
Radiator Relief™ for Diesels supercharges your radiator by transferring heat more efficiently through the radiator. Similar to the original formula this proven coolant additive will reduce your operating temperature up to 30°F degrees and reduce engine wear that occurs during extreme heat.
NEW Radiator Relief™ for Diesels is also formulated with a corrosion inhibitor that reduces mineral deposits. This is the first additive that maintains pH levels that otherwise fluctuate over time resulting in core damage.
Features - Blended for extreme use
- Decrease coolant temperature up to 30°F
- Concentrated for larger systems
- Quicker warm-up
- Helps reduce engine wear
Part TypeAntifreeze and Coolant
BrandDESIGN ENGINEERING INC.
Part CategoryAccessories
Part FitmentUniversal
Vendor Part Number40204
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
![Funnel [18 in. Overall Length]](https://www.jegs.com/images/mini_200/500/555/555-w4034.jpg)
ITEM YOU MAY ALSO CONSIDER
Some parts are not legal for use in California or other states with similar laws / regulations
