Fleece Performance FPE-CUMM-SSHCL-12V Replacement Heater Core Line Kit For 89-98 12 Valve Cummins Fleece Performance
SKU: 69835039697

Fleece Performance FPE-CUMM-SSHCL-12V Replacement Heater Core Line Kit For 89-98 12 Valve Cummins Fleece Performance

Sale price$170.55 Regular price$189.50
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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12

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Description

Fleece Performance FPE-CUMM-SSHCL-12V Replacement Heater Core Line Kit For 89-98 12 Valve Cummins Fleece PerformanceReplace your leaking or corroded heater tubes with our upgraded stainless steel tubes and high temperature silicone hose kit from Fleece Performance. 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. Kit includes: Stainless steel heater tube replaces Cummins 3912086 Stainless steel heater tube replaces

Replace your leaking or corroded heater tubes with our upgraded stainless steel tubes and high temperature silicone hose kit from Fleece Performance. 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.

Kit includes:

  • Stainless steel heater tube - replaces Cummins 3912086
  • Stainless steel heater tube - replaces Cummins 3912087
  • Silicone heater hose (straight tube to block) - replaces Cummins 3931522
  • Silicone heater hose (90 deg tube to block) - replaces Cummins 3957649
  • Silicone heater hoses (45 deg tubes to firewall)
  • Anodized billet aluminum hold down clamps, billet aluminum standoff, and mounting hardware for both stock and aftermarket manifolds
  • Hose clamps

Application Notes:
This kit is intended for use with trucks originally equipped with air-conditioning. If your truck is not equipped with air conditioning, you will need to supply your own 5/8 inch ID hose to run from the firewall ports to the stainless steel heater lines. 
The silicone heater hose (tube to firewall) may require trimming for certain applications or to accommodate modifications made previously to the engine. 
If your truck is equipped with an aftermarket exhaust manifold, the rear heater line standoff will not be utilized and an additional mounting bracket is provided.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 69835039697

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Amazon Customer
Draper, US
★★★★★ 1
Total piece of Junk
Color: Gold
Great looking watch, but unfortunately it is a total piece of junk. Almost impossible to set, changes time while sitting and battery dies within a week. Don’t waste your money.
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Reviewed in the United States on October 15, 2025
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erica
Birmingham, US
★★★★★ 4
Women’s digital watch
Color: Gold
Just as described
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Reviewed in the United States on January 9, 2026
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Veldrina
Massapequa, US
★★★★★ 2
Cannot adjust watch band
Color: Black
There is no way to shorten the band despite the crap tool and instructions. Sad because it is a nice watch
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Reviewed in the United States on May 28, 2026
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abbie vallimont
Louisville, US
★★★★★ 1
Do Not Purchase- junk
Color: Gold
Do not buy. Cheap, cheap, cheap! Directions on how to fix the plastic band are for a different watch. I cannot remove links and it is too big! Do not purchase! Only gave it one star because I had to. Would give no stars, but it wouldn’t let me publish.
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Reviewed in the United States on December 14, 2025
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Cristina
Phoenix, US
★★★★★ 5
Great value for vintage inspired wristwatch
Color: Brown White
I was struggling to find a brown silver leather wristwatch that was under $50, but this watch meets all my needs and looks timeless. I like the leather strap a lot because it is thin and looks polished. The leather is a really rich brown color that looks very elegant. The strap is also comfortable for my everyday wear and is not prone to scratches. The face is also the perfect size for my wrist and gives the vintage feel that I was looking for. Overall, the quality is great for the price point and I really like this watch!
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Reviewed in the United States on November 21, 2025

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