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Ships within 48 hours · Estimated delivery Jul 11 - Jul 16
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Description
Fleece Replacement Heater Core Line Kit 89-98 Ram 5.9L Cummins 12 ValveOver time, the factory heater core tubes on your 1st and 2nd generation 5. 9L Cummins can become corroded and start leaking. Coolant leaks can create engine overheating issue that could lead to engine failure. Stop these leaks in their tracks with the Fleece Performance Heater Core Line Kit. This kit is constructed with upgraded stainless steel tubes and high temperature silicon hose. This kit contains everything you need to replace your heater lines
Over time, the factory heater core tubes on your 1st and 2nd generation 5.9L Cummins can become corroded and start leaking. Coolant leaks can create engine overheating issue that could lead to engine failure. Stop these leaks in their tracks with the Fleece Performance Heater Core Line Kit. This kit is constructed with upgraded stainless-steel tubes and high temperature silicon hose. This kit contains everything you need to replace your heater lines from the block to the firewall. This kit is designed as a direct replacement for all trucks originally equipped with air conditioning.Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
Based on 1152 reviews
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Product Reviews
★★★★★ 4
It works.
Size: 5 Quarts, Pack of 3
Ran this for 5k and did oil analysis. It performed identically to Mobil 1 ESP 5w30. No issues, stayed in grade, nothing negative. That said, it was no better than ESP and wear metals were functionally the same as multiple other similar rated oils. It’s perfectly fine, but not better. It’s a great value. I wouldn’t use it for extended oil change intervals. No oil consumption noted.
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Reviewed in the United States on March 23, 2026
★★★★★ 5
Great oil
Size: 1 Quart Pack of 6
Love it.
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Reviewed in the United States on April 18, 2026
★★★★★ 5
Euro oil 🛢
Size: 5 Quarts, Pack of 3
Good deal
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Reviewed in the United States on March 22, 2026
★★★★★ 5
Perfect fit
This product was a perfect fit on our 2009 BMW 328i. It was alittle difficult connecting the hose at the bottom because my husband has big hands but I was able to help tighten the screw Due to my smaller hand size Overall very good product and fast delivery
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Reviewed in the United States on October 5, 2023
★★★★★ 5
Fast delivery, quality products
Fast delivery, quality products
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Reviewed in the United States on April 9, 2025
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