Heating and Cooling› Thermostats, Housings and Fillers
Fleece Performance
Fleece Performance 98.5-07 Dodge 2500/3500 Cummins Replacement Thermostat Housing w/Aux Port
SKU: F007 FPE-CUMM-TH-1318
Moderate — 2–4 hours
Description
Part #: FPE-CUMM-TH-1318
The Fleece Performance replacement thermostat housing with auxiliary port is a direct replacement part for model years 1998.5-2007 RAM with 5.9L Cummins and 2013-2018 RAM with 6.7L Cummins. The auxiliary port is threaded to accept a -10AN (7/8"-14) fitting to allow you to customize your coolant routings and includes port plug FPE-SP-7814. APPLICATION NOTES Direct replacement for thermostat elbow included in our coolant bypass kits: FPE-CLNTBYPS-CUMM-0712 and FPE-CLNTBYPS-CUMM-1318. Direct replacement for Cummins part numbers 5283433 and 3943297. Auxiliary port is threaded to accept a -10AN (7/8"-14) fitting.
Replacement Thermostat Housing with Auxiliary Port (RAM with 5.9L and 6.7L Cummins)
MIA's Description
Fitment
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Specifications
| Brand | Fleece Performance |
| Part Number | F007 FPE-CUMM-TH-1318 |
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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