This billet aluminum lower inlet adapter plate is made for Cummins engines, with CVF listing the 4BT and 6BT. Its universal design gives flexibility in how the lower radiator hose is routed, in a low profile package.
The inlet accepts a 2 in. hose with room for clamps. It seals with a rectangular O-ring, and mounting hardware is included. It is offered in Polished, Stealth Black or C3 Ceramic Clear Coat.
Specifications:
- Component: Lower inlet radiator hose adapter plate
- Material: Billet aluminum
- Engine: Cummins 4BT and 6BT
- Hose connection: 2 in.
- Seal: Rectangular O-ring
- Finish: Polished, Stealth Black or C3 Ceramic Clear Coat (selectable)
- Part number: DC-WN-L
Kit Includes:
- Lower inlet adapter
- Rectangular O-ring seal
- Mounting hardware
Not Included: Radiator hose and hose clamps are not included.
FAQ
What engines does the CVF DC-WN-L fit?
CVF lists it for Cummins 4BT and 6BT engines.
What hose size does it accept?
It has a 2 in. hose connection with room for clamps.
What comes with it?
The adapter comes with a rectangular O-ring seal and mounting hardware.
What finishes are available?
Polished, Stealth Black and C3 Ceramic Clear Coat.

