Product Description
FLEECE FPE-CLNTBYPS-CUMMINS-SER-KIT 94-18 DODGE 2500/3500 CUMMINS COOLANT BYPASS SERVICE KIT
The FLEECE FPE-CLNTBYPS-CUMMINS-SER-KIT is a complete service kit designed to refresh and restore the performance of your existing Fleece coolant bypass system on 1994–2018 Dodge Ram 2500/3500 5.9L & 6.7L Cummins engines. If your truck is used for towing, heavy hauling, or performance applications, maintaining optimal rear cylinder cooling is critical for engine longevity. This kit includes all essential service parts to renew your bypass system for reliable, consistent coolant flow and reduced rear cylinder temperatures.
Why This Coolant Bypass Matters
- Restores full bypass efficiency for trucks already equipped with a Fleece coolant bypass kit.
- Reduces rear cylinder temperatures, preventing common #5 and #6 cylinder overheating issues.
- Ideal for towing, high EGT conditions, and tuned applications.
- Ensures consistent coolant flow through critical areas of the engine.
Vehicle Fitment
Compatible with the following models already equipped with a Fleece Coolant Bypass:
- 1994–2002 Dodge Ram 2500/3500 5.9L Cummins
- 2003–2007 Dodge Ram 2500/3500 5.9L Cummins
- 2007.5–2018 Dodge Ram 2500/3500 6.7L Cummins
Note: This is a service kit — NOT a complete coolant bypass system. It is intended only for trucks that already have a Fleece bypass installed.
Cross-Reference & Related Fleece Products
- Full Coolant Bypass Kit 03–07 5.9L: FLEECE FPE-CLNTBYPS-CUMMINS-0307
- Full Coolant Bypass Kit 07.5–18 6.7L: FLEECE FPE-CLNTBYPS-CUMMINS-0718
- Full Coolant Bypass Kit 94–02 5.9L: FLEECE FPE-CLNTBYPS-CUMMINS-9402
Specifications for FLEECE FPE-CLNTBYPS-CUMMINS-SER-KIT
| Specifications for FLEECE FPE-CLNTBYPS-CUMMINS-SER-KIT | |
|---|---|
| Brand | Fleece Performance Engineering |
| Part Number | FPE-CLNTBYPS-CUMMINS-SER-KIT |
| UPC | Not listed |
| GTIN | Not listed |
| Engine Compatibility | 5.9L & 6.7L Cummins (1994–2018) |
| System Type | Coolant Bypass Service Kit |
| Cross Reference | For use with FPE-CLNTBYPS-CUMMINS-9402, FPE-CLNTBYPS-CUMMINS-0307, FPE-CLNTBYPS-CUMMINS-0718 |
| E-codes | Not applicable |
| Country of Origin | USA |
| Shipping Weight | Approx. 3 lbs |
| Package Dimensions | 10" x 6" x 6" |
| Shipping Method | Ground |
| Prop 65 | WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
FAQ
Is this a complete coolant bypass kit?No. This is a service kit designed to refresh an existing Fleece coolant bypass system. It does not include the full bypass assembly.
What trucks does this service kit work with?
It works with 1994–2018 5.9L & 6.7L Cummins trucks that already have a Fleece coolant bypass installed.
Will this fix rear cylinder overheating?
This service kit restores bypass performance, helping maintain lower temperatures at cylinders #5 and #6.
Does this include the braided bypass hose?
No. It includes service components only. For hose kits, see other Fleece coolant bypass products.
Can it be installed without removing the existing bypass housing?
Most components can be serviced with the bypass in place, depending on your truck’s configuration.
