My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Replacement RD31800001 Engine Coolant Thermostat Housing with Thermostat 3.6L V6 OEM 5184977AE

Manufacturer

Picture for manufacturer Replacement

Part Number

RD31800001
8 reviews
Sale Price

$14.41

In Stock (10+)

delivery box

Usually delivered within 2 days

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Replacement RD31800001 is a direct-fit engine coolant thermostat and housing assembly engineered for the 3.6L Pentastar V6 engine. This unit replaces OEM part number 5184977AE and is designed to restore proper coolant flow regulation and maintain optimal engine operating temperature, helping prevent overheating and protecting engine longevity.

The stock plastic thermostat housing is known to become brittle over time, leading to cracks and coolant leaks. This replacement assembly provides a reliable, OE-matched solution for restoring cooling system integrity without complicated installation procedures.

Key Features:

  • Direct replacement for OEM part number 5184977AE
  • Thermostat opening temperature: 203°F (95°C) — OE specification
  • Includes thermostat and housing assembly
  • Designed for the 3.6L V6 engine
  • OE-matched design ensures straightforward, precise installation
  • Cross-reference part numbers: 34776, 85943, 902-3035, 824-203

Restoring a failing thermostat housing is essential for maintaining proper coolant circulation and engine temperature management. This assembly is built to meet OE fit and function standards, making it a dependable solution for cooling system repair.

Very quick turnaround with best online price. Would highly recommend!

Great price, good quality, and excellent communication

Fast and easy , great prices

Everything went smooth, no complaints

Thanks easy to order please make sure my parts are left and righ side

Found what I needed Ordering was simple

Tire is a perfect fit and I received it in just 2 days! Thanks for the great service!!

Thanks for the quick response

Share icon
Return Policy
Returns are easy at Autoplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy