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Engine Coolant Thermostat Housing - Upper (Dorman) for 1997-2012 Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Workhorse, & Workhorse Custom Chassis NEW

$ 37 .82
120-DayReturns
LifetimeWarranty
100%Money-Back

Product Notes Read before buying

Position: Upper
Cover Does Not Include Thermostat

This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.
Brand: Dorman
Condition: New
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Specifications & Info


Attribute Value
Air Vent (Bleeder Valve) No, Non
Bolts Included No, Non
Color Natural
Contenidos Del Paquete Caja Del Termostato
Gasket Or Seal Included No, Non
Housing Neck Angle (°) 30
Junta Tórica Incluida No
Material Metal
Mounting Hole Diameter 0.31
Mounting Hole Quantity 2
O Rings Included No, Non
Salida De Aire (válvula De Purga) No
Thermostat Included No, Non

Vehicle Fitment Guide

This part fits the following vehicles:

Make Models
Buick Rainier
Cadillac CTS, Escalade, Escalade ESV, Escalade EXT
Chevrolet Avalanche 1500, Camaro, Corvette, Express 1500, Express 2500, Express 3500, Silverado 1500, Silverado 1500 Classic, Silverado 1500 HD, Silverado 1500 HD Classic, Silverado 2500, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500 Classic, Silverado 3500 HD, Sonora, SSR, Suburban 1500, Suburban 2500, Tahoe, Trailblazer, Trailblazer EXT, W3500 Tiltmaster, W4500 Tiltmaster
GMC Envoy, Envoy XL, Envoy XUV, Savana 1500, Savana 2500, Savana 3500, Sierra, Sierra 1500, Sierra 1500 Classic, Sierra 1500 HD, Sierra 1500 HD Classic, Sierra 2500, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500, Sierra 3500 Classic, W3500 Forward, W4500 Forward, Yukon, Yukon XL 1500, Yukon XL 2500
Hummer H2
Isuzu Ascender, NPR, NPR-HD
Pontiac G8, GTO
Saab 9-7x
Workhorse FasTrack FT1061, FasTrack FT1261, FasTrack FT1461, FasTrack FT1601, FasTrack FT1801, W42, W62
Workhorse Custom Chassis W42, W62

This is a universal part that fits 1,247 vehicle configurations across 10 makes.

Verify before ordering — please confirm your vehicle's year, make, model and sub-model specifications before placing your order. If anything is unclear, our customer service team is available to help.

Policies, in plain English.

Shipping Information

We offer fast, reliable shipping on all orders:

  • Ships to all countries via US Postal Service Priority Mail.
  • Most orders ship within 1 business day.
  • Delivery time: 1-4 business days after shipment.
  • International shipping available, including APO/FPO addresses.
  • Tracking information provided for all shipments.
  • Additional handling fees may apply for oversized/overweight packages.

Lifetime Warranty

This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.

Warranty does NOT cover:

  • Shipping costs or labor expenses.
  • Installation errors.
  • Parts used for racing.
  • Commercial vehicle parts.

Returns (120 Days)

We want you to be 100% satisfied with your purchase. That's why we offer:

  • 120-Day Returns - Return any part within 120 days from date of receipt.
  • Must obtain RMA (Return Merchandise Authorization) number before returning.
  • Parts must be in original condition, uninstalled, unaltered, and in original packaging.
  • Important: Electrical parts are not returnable if unsealed.
  • Please inspect parts upon arrival and notify us within 5 days of receiving incorrect or damaged parts.
  • Refunds processed after warehouse receives return and credited to original payment method.
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Interchange Parts

Brand Part Number
Compressor Works 815665
Four Seasons 85083
Gates 34702
General Motors 12568911
General Motors 12581594
General Motors 12600172
Isuzu 8125689110
Isuzu 8125815940
Isuzu 8126001720
Motorad 524KT
Motorad CH2836
Quezada 6261
Quezada 6261-T

Fits Years: 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012

Expert Guide

Related Trouble Codes (OBD-II)

1 matching guide

If your scan tool is showing one of these trouble codes, this part is a common fix. Each guide explains the code, how to diagnose it, and exactly what to replace.

↑ A single part can trigger multiple related trouble codes. Each guide is vehicle- and code-specific.
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120
Day Return Window

4× the Industry Standard

Most retailers stop at 30 days. We give you a full four months to install, test, and return for a 100% refund — return shipping on us.

NEW
Direct-Fit Replacement

Engineered To OEM Specs

Brand-new aftermarket parts from trusted suppliers — built to original-equipment specifications so they fit and function like the factory unit, at a fraction of the price.

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★★★★★ 4.9 1,451 verified reviews

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