Free shipping on eligible orders of $100 or more. Oversized and freight items excluded.

Shop parts / Fleece Performance / New

Fleece Performance 19-22 RAM 2500/3500 Cummins 6.7L Replacement Thermostat Housing w/Aux Port

Fleece Performance · New

Fleece Performance 19-22 RAM 2500/3500 Cummins 6.7L Replacement Thermostat Housing w/Aux Port

MPN FPE-CUMM-TH-19 · Store SKU fpeFPE-CUMM-TH-19

$129.99
CHECK AVAILABILITY0 in supplier warehouses. Ask JuiceBuilt about availability.

Supplier stock checked 11/8/2026, 9:05:45 AM UTC. Adding a part does not reserve it.

30-day returns for unopened, unused new parts

Request a return within 30 calendar days after delivery. New parts must be unopened and unused.

Shipping & returns ↗This policy does not limit rights required by law.

Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.

Product details

The Fleece Performance replacement thermostat housing with auxiliary port is a direct replacement part for model years 2019-2024 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-CUMMINS-19. Direct replacement for 2019-2024 Cummins 6.7L coolant thermostat housing part number 5401899. Auxiliary port is threaded to accept a -10AN (7/8"-14) fitting Replacement Thermostat Housing with Auxiliary Port (2019+ RAM 6.7L Cummins)

Manufacturer fitment & guides

Check FPE-CUMM-TH-19 against the manufacturer’s application information below.

Part-specific notes

  • California Proposition 65: Y

Manufacturer documents

More from Fleece Performance ↗See the JuiceBuilt workshop ↗

YOUR NEXT MOVE

Your cart.