

1989-1998 Cummins Replacement Heater Core (FPE-CUMM-SSHCL-12V)
Description
Fits
| Year | Make | Engine |
| 1989-1998 |
Dodge Ram | 12V 5.9 Cummins |
This Heater Core kit from Fleece replaces your old, leaking, or corroded heater tubes with stainless steel tubes & high-temperature silicone; everything you need to replace your heater lines from the block to the firewall. It is a direct replacement for the Cummins trucks that were originally equipped with A/C.
Part Number: FPE-CUMM-SSHCL-12V
Features
- 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 clamp
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” 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 in the kit.
Original: $277.19
-65%$277.19
$97.02Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Description
Fits
| Year | Make | Engine |
| 1989-1998 |
Dodge Ram | 12V 5.9 Cummins |
This Heater Core kit from Fleece replaces your old, leaking, or corroded heater tubes with stainless steel tubes & high-temperature silicone; everything you need to replace your heater lines from the block to the firewall. It is a direct replacement for the Cummins trucks that were originally equipped with A/C.
Part Number: FPE-CUMM-SSHCL-12V
Features
- 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 clamp
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” 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 in the kit.













