C-Tzu Aluminium Thermostat Housing Assembly for GM 2014–2020 V8 Trucks & SUVs — Direct-Fit, Calibrated 102°C

C-Tzu's upgraded aluminium thermostat housing assembly is a direct-fit replacement that restores precise coolant flow and temperature control for 2014–2020 GM V8 trucks and SUVs.

If your Chevrolet, GMC, or Cadillac vehicle is showing cooling-system symptoms or you're replacing a worn thermostat housing, this C-Tzu unit provides a durable aluminium alternative to original copper or plastic parts. Engineered for the same fitment points as factory housings, it suits Cadillac Escalade ESV (2015–2020), GMC Sierra 1500, Yukon (2014–2020), Chevrolet Silverado 1500/2500, Suburban, and Tahoe (2014–2020), and carries cross-reference numbers including 902-2090, 15-11125, and 12674639. Each assembly is tested and calibrated at the factory to ensure reliable operation at the specified opening temperature of 215.6°F (102°C).

How does this thermostat housing assembly improve cooling system performance?

This assembly regulates coolant routing through the radiator and engine passages to maintain stable operating temperatures. The precision-calibrated thermostat opens at 215.6°F to allow coolant flow when needed, preventing prolonged overheating cycles.

• Calibrated opening at 102°C (215.6°F) for consistent temperature control
• Improved coolant flow consistency versus aged or corroded housings
• Reduces thermal cycling that can stress engine components

What makes the C-Tzu aluminium housing more durable than the original?

Constructed from high-quality aluminium, this housing resists corrosion and warping better than older copper or plastic counterparts. The robust material helps maintain sealing surfaces and fastening points over time, reducing the chance of leaks.

• Aluminium body for long-term resistance to corrosion and heat
• Machined mating surfaces to improve gasket sealing
• Strong threaded bosses to preserve bolt torque and fitment

Will this unit fit my vehicle and how easy is installation?

The assembly is designed as a direct-fit replacement for the listed GM models and shares factory mounting points and hose connections. Installation is straightforward for DIYers with basic automotive tools, though a service manual or experienced mechanic is recommended for proper coolant bleeding and torque specs.

• Direct-fit for specified 2014–2020 GM trucks and SUVs
• Shares OEM-style connections for hoses and sensors
• 100% tested and calibrated before shipping to ensure plug-and-play reliability

Which part numbers does this C-Tzu assembly replace?

This housing cross-references many OEM numbers used across GM models, so it serves as a replacement for several factory and aftermarket part codes. Verify compatibility by checking your vehicle's original part number before ordering.

• Replaces numbers including 902-2090, 15-11125, 12674639 and related SK/815 series codes
• Fits multiple V8 engines and trims within the listed model years
• Consult vehicle VIN or dealer parts fiche to confirm match

Who is this for: This C-Tzu aluminium thermostat housing assembly is aimed at owners and technicians working on 2014–2020 Chevrolet, GMC, and Cadillac trucks and SUVs who need a reliable, long-lasting replacement. It's a good choice for those repairing cooling leaks, upgrading from corroded factory housings, or maintaining fleet vehicles where consistent temperature control and component longevity matter. If you require exact fitment, have the OEM part number or VIN handy before purchase to ensure proper compatibility.