Coolant & Additives

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23 products

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Heater Hotter  by DEI - Modern Automotive Performance
$6.99 $9.97
DEI Heater Hotter (040206)
Save 30% In Stock
Royal Purple Purple Ice Super Coolant (16 oz) - Modern Automotive Performance
Save 13% In Stock
Radiator Relief 16oz.  by DEI - Modern Automotive Performance
Save 30% In Stock
Radiator Relief DIESEL  by DEI - Modern Automotive Performance
Save 30%
Radiator Relief 32oz.  by DEI - Modern Automotive Performance
$15.99 $23.98
DEI Radiator Relief 32oz. (040104)
Save 33%
Chill Charger  by DEI - Modern Automotive Performance
$6.99 $9.97
DEI Chill Charger (040208)
Save 30%

MAPerformance Carries the Best Coolant & Additives

For the best selection of Coolant & Additives, there's no better place to buy than at MAPerformance. We carry the highest-quality selection of aftermarket Coolant & Additives on the internet. Shop from the best parts at the lowest price on the web, guaranteed thanks to the MAPerformance Price Match Guarantee. When it comes to performance auto parts, quality matters. That's why we sell only the best products that enhance both cosmetic and performance aspects of your car.

Buying from MAPerformance, you'll get agreat perks like fast, free shipping on orders over $199, and a hassle-free 90-day return policy. We care about you just as much as your part-buying experience as you care about your ride.