Exterior Components› Body Panels and Components

Billet Specialties

LS Thermostat Housing w/ 16AN Male Nipple Anodizd

$262.95

SKU: B01D 90900

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

Beginner — under 30 min

Description

The Billet Specialties 90900 is a thermostat housing designed for GM LS series water pumps that use a separate thermostat and water neck housing, as well as Edelbrock LS water pumps. It is precision machined from 6061-T6 billet aluminum and accepts an OEM LS two-piece style thermostat and seal. The housing is available in -16 and -20 sizes, with machined or black anodized finishes.

Fitment

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

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Specifications

BrandBillet Specialties
Part NumberB01D 90900

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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