March Performance Universal Billet Thermostat Housing

Upgrade your cooling system with a premium March Performance Universal Billet Thermostat Housing, precision CNC machined in the USA from high-strength 6061-T6 billet aluminum. Designed for both performance and custom applications, these thermostat housings are available in multiple outlet angles to simplify hose routing while providing a clean, show-quality appearance.

Choose from straight, 15°, 45°, or 90° outlet configurations and premium finishes including Polished, Black Anodize, or Clear Cerakote. Every housing includes the required mounting hardware and an O-ring to provide a reliable, leak-free seal. Select housings also include a paper gasket. 

Features

• CNC machined in the USA from 6061-T6 billet aluminum
• Available in straight, 15°, 45°, and 90° outlet angles
• Premium finishes:
  • Polished
  • Black Anodize
  • Clear Cerakote
• 1.5" hose outlet on all angle configurations
• Includes mounting hardware and O-ring
• Designed for a clean, leak-free installation

Compatible Thermostats

• Mr. Gasket High Performance 4364
• MotoRad Superstat 45358, 45356, 45359
• ACDelco 12514334
• Murray 45687 (LS2)
• Murray MU545687 (LS1)

Additional Notes

• Ford FE applications require the 2.125" diameter version only.
• SCR 2.5" housings require a thermostat for 1964–1978 applications.
• SCR 2.125" housings require a thermostat for 1979–2003 applications.
• Thermostat Housings are not available in our powder coat finish.

Backed by March Performance's Lifetime Warranty, this billet thermostat housing delivers the quality, durability, and precision fit expected from one of the industry's most trusted names in performance engine accessories. Please note the lifetime warranty does not apply to consumable items including the O-Ring and Gasket.