Allmotorparts Thermostat Housing — Dodge/Jeep 3.6L V6 (2011–2018 Durango, Grand Cherokee, Wrangler), Aluminum

This aftermarket Allmotorparts thermostat housing assembly is engineered to fit Chrysler 3.6L V6 models, including Durango, Grand Cherokee, and Wrangler variants from 2011 through 2018. Built as a direct-fit replacement for part numbers 902-852, 902852, 5184651AH/AF/AG, the unit is a ready-to-install aluminium housing that replaces a leaking or damaged original plastic or corroded metal piece. It’s designed to match the original equipment’s form and function while offering improved durability thanks to its aluminium construction.

How will this housing affect my vehicle’s cooling performance?

Replacing a cracked or leaking thermostat housing stops external coolant loss and helps the thermostat operate in a stable, sealed environment. That reduces the risk of overheating or the low-coolant warnings that can appear when the housing fails.

• Restores a secure seal between engine and radiator coolant passages
• Prevents external coolant leaks and associated sensor warnings
• Aluminium body resists warping and corrosion better than many OEM plastics

Will this part fit my Dodge or Jeep model?

This assembly is compatible with 3.6L V6 Chrysler engines in the listed model years: Durango (2011–2015), Grand Cherokee (2011–2015), Wrangler JK/JKU (2012–2017) and Wrangler JK (2018). Confirm year and engine match before ordering to ensure correct fitment.

• Fits 3.6L V6 Durango, Grand Cherokee, Wrangler models within specified years
• Replaces OEM numbers: 902-852, 902852, 5184651AH/AF/AG
• Aftermarket Allmotorparts assembly — not an original equipment manufacturer (OEM) part

What are the signs I need to replace the thermostat housing?

Common symptoms include visible coolant leaks at the housing, engine temperature instability, and dashboard low-coolant warnings or trouble codes such as P0128 or P0125. If you notice coolant under the vehicle or frequent low-coolant alerts, replacing the housing quickly reduces further damage risk.

• Visible coolant puddles or dried residue around housing area
• Illuminated low-coolant or engine temperature warning lights
• Diagnostic codes P0128 / P0125 or thermostat valve sticking

How easy is installation and what should I check during replacement?

The Allmotorparts unit is supplied new and ready to install, matching OE mounting points and coolant ports for a straightforward swap. During installation, inspect the thermostat itself, the gasket surface, hoses, and hose clamps for wear; replace any damaged items to avoid repeat leaks.

• Direct-fit replacement — mounts to original bolt locations and ports
• Replace gasket and inspect hoses and clamps when installing
• Test for leaks and proper thermostat operation after refilling coolant

Who is this for: This aluminium thermostat housing is intended for owners, mechanics, and DIYers maintaining Dodge Durango, Jeep Grand Cherokee, and Jeep Wrangler models with the 3.6L V6 engine who need a reliable aftermarket replacement. It’s best for vehicles showing housing leaks, low-coolant warnings, or aging OEM plastic housings that may crack or corrode. Confirm vehicle year and engine before purchase to ensure compatibility with the listed part numbers. If you need help verifying fitment or have concerns after installation, contact Allmotorparts customer support for assistance or replacement guidance.