Exterior Components› Body Panels and Components

Billet Specialties

LS Thermostat Housing Straight Black

$262.95

SKU: B01D BLK90134

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 BLK90134 is a straight thermostat housing designed for GM LS-Series engines. It is constructed from 6061-T6 billet aluminum with stainless steel hardware and features a black anodized finish.

This housing is compatible with LS-series water pumps that use a separate thermostat and water neck, and it accommodates a 1-1/2 inch ID radiator hose.

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 BLK90134

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.

View Full Return Policy