A-Premium Engine Coolant Thermostat Housing Assembly - 8-Cyl, 4.3L/5.3L/6.2L | Chevy, GMC, Cadillac Vehicles

Overview

Upgrade your cooling system with the A-Premium Engine Coolant Thermostat Housing Assembly, crafted for GM powertrains across a wide range of models. Designed for 8-cylinder configurations and engines from 4.3L up to 6.2L, this housing is compatible with Chevrolet, GMC, and Cadillac platforms, including popular trucks and full-size SUVs.

Built to endure, this thermostat housing emphasizes corrosion resistance, durability, stability, and a long lifespan. Whether you drive a Silverado, Suburban, Tahoe, Sierra, Yukon, or Escalade family vehicle, you may experience more reliable coolant flow and a solid mounting interface that withstands daily driving and seasonal heat.

Key fitment and specs

• Vehicle fitment includes Chevrolet Corvette 2014 6.2L, Silverado 1500 2014-2018 4.3L/5.3L/6.2L, Silverado 1500 LD 2019 5.3L, Suburban 2015-2020, Tahoe 2014-2020
• GMC Sierra 1500 2014-2018 4.3L/5.3L/6.2L, Sierra 1500 Limited 2019 5.3L, Yukon 2014-2020 5.3L, Yukon XL 2015-2020 5.3L/6.2L
• Cadillac Escalade 2015-2020 6.2L, Escalade ESV 2015-2020 6.2L

• Package contents and critical specs: Bolt hole center to bolt hole center 3 in, 2.8 in, 2.8 in; Flange length 3.33 in; Flange width 3.39 in; Inside diameter 1.06 in; 3 mounting holes
• Thermostat opening temperature 207 deg

In addition, the housing is engineered for corrosion resistance and stability, helping the cooling system maintain steady performance under varied driving conditions. The design emphasizes compatibility with common mounting patterns and factory-like fit, so installation can be straightforward with the included hardware.

Warranty and peace of mind: A-Premium backs this thermostat housing with a one-year unlimited mileage guarantee, reflecting confidence in the quality of materials and manufacturing. This provides a practical option for routine maintenance and replacements, without a strict mileage limit.

Real-world use tips

For best results, verify your vehicle fitment against the provided references, prepare clean mounting surfaces, and follow standard torque guidance when fastening the bolts. The result can be a reliable assembly that supports smooth engine temperature management over many miles.