Diesel Heater Port Pass-Through – Extended Wall Thread

This is the extended threaded pass-through section used with our Diesel Heater Port system. It allows the heater duct to pass cleanly through a wall while maintaining a secure threaded connection for the heater port components.

This part can be added to the Diesel Heater Port Kit when installing through thicker walls. The standard kit is designed for walls around 1/2" thick, while this extended pass-through allows installation through walls up to 1-1/2" (38mm) when used with the provided gasket.

This item is offered as an add-on or replacement component for customers who need additional thread length for thicker camper or topper wall installations.

Key Features

Extended threaded pass-through
Adds additional thread length for thicker wall installations.

Designed for the Diesel Heater Port system
Works with the Muddy River Diesel Heater Port kit components.

Supports thicker walls
Allows installation through walls up to 1-1/2" (38mm) when used with the included gasket.

Clean heater duct pass-through
Provides a secure and clean way to run diesel heater ducting through camper or topper walls.

Add-on or replacement component
Ideal for builds where the wall thickness exceeds what the standard Diesel Heater Port kit supports.

What’s Included

• Extended threaded pass-through section
• Gasket

Typical Uses

• Truck camper toppers
• Camper vans
• Truck campers
• Teardrop campers
• Overland builds
• Enclosed trailer builds