Best in 7 days
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Ships within 48 hours · Estimated delivery Jul 23 - Jul 28
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Description
DEI Radiator Relief - 32oz.Radiator Relief(TM) solves the problem of high engine temps by reducing coolant temperatures up to 30 degrees. Radiator Relief is an excellent method of treating cooling systems as a preventive step to help avoid overheating, electrolytic (electrolysis) and chemical corrosion and is compatible with all coolant additives and anti freeze mixtures. Both an anti foaming agent and corrosion inhibitor which balances the negative acidic effects that can
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- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.3 ★★★★★
Based on 2486 reviews
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Product Reviews
★★★★★ 5
Perfect OEM replacement
An amazing alternative to the expensive OEM filter. Works just as well if not better.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2025
★★★★★ 5
Parts that fit!
It’s hard to find ‘official Mopar’ parts for the 3.0 Eco Diesel but Doc’s Diesel are exact matches and are as good or better quality as factory.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 20, 2024
★★★★★ 5
Filters
Color: 3 Set
Great value for the money
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Reviewed in the United States on April 17, 2026
★★★★★ 5
Just like the OEM filter
Color: 3 Set
I bought these awhile back before needing one. Did my oil change a couple months ago, wanted to wait a bit to review it. Fit is identical to the OEM filter, nice it also comes with new retention cap o-rings. Can recommend, seems to function as well as name brand/OEM and a good value since purchasing more than one. Literally got one for free compared to single purchase of 3. I drive my company 2012 Caravan about 35-40k a year, so I change my oil about every 3-4 months. I also have the upgraded all aluminum oil cooler, so I have to use this filter for the later models.
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Reviewed in the United States on June 18, 2025
★★★★★ 5
No issues
Color: 3 Set
Looks durable. Sold Jeep before had a chance to use them. No issues tho
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Reviewed in the United States on April 20, 2026
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