Exterior Components› Body Panels and Components

Billet Specialties

Thermostat Housing Straight Up Mopar App

$96.06

SKU: B01D 90820

In Stock
In Stock
Ships by Jun 16
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Billet Specialties 90820 is a polished aluminum water neck and thermostat housing designed for Mopar V8 engines. It features a straight-up style and an O-ring seal to eliminate the need for gaskets or sealant.

This housing is compatible with Mopar big block RB and B engines, as well as small block LA engines, spanning various years and displacements. It includes stainless steel mounting hardware and is designed to accept a 1.500 in. I.D. radiator hose. The thermostat is not included.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandBillet Specialties
Part NumberB01D 90820

Buy with Confidence

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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