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OE Quality
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Dorman 902-756 Engine Coolant Thermostat Housing
| Brand | Dorman 902-756 |
|---|---|
| Air Vent (Bleeder Valve) | No |
| Bolts Included | No |
| Color | Natural |
| Gasket Or Seal Included | Yes |
| Housing Neck Angle (┬░) | 45 deg |
| Material | Metal |
| Mounting Hole Diameter | 0.313 |
| Mounting Hole Quantity | 2 |
| O Rings Included | Not Required |
| Outlet Port Diameter | 1.31 |
| Package Contents | Thermostat Housing with Gasket |
| Thermostat Included | No |
| Fits | Chevrolet, GMC, and Workhorse · 130 vehicles |
OE-style replacement. Matches stock fit and durability for a straightforward swap.
Metal construction. Built to handle extreme temperature changes for longer service life.
Gasket included. Comes ready for installation with the seal already provided.
Cross-references AMS Automotive 6268, Dorman - Conduct-Tite 85170 and Gates CO34775 for the same application. See all 9.
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Not what you need? See all Engine Coolant Thermostat Housing options
Engine Coolant Thermostat Housing for GM Applications
Dorman 902-756 is a replacement engine coolant thermostat housing built for specified Chevrolet and GMC vehicles. It matches the stock housing’s fit and durability requirements while using a metal construction that handles repeated temperature swings in the cooling system.
Key Features
- Metal housing with a natural finish
- Outlet port diameter: 1.31 in.
- 45-degree housing neck angle
- Gasket included for sealing at installation
- Two mounting holes with 0.313 in. diameter
- No thermostat included
- No bleeder valve and no bolts included
Detailed Description
This Dorman thermostat housing, part number 902-756, is engineered for direct replacement use on cooling system repairs where the original housing has cracked, warped, or begun leaking. The metal body is built to handle extreme temperature changes, helping maintain a secure coolant passage at the thermostat location. It is a fitment-based replacement for applications including Chevrolet Express 1500, GMC Savana 1500, Chevrolet Astro, Chevrolet Express 2500, GMC Safari, GMC Savana 2500, and other listed Chevrolet and GMC models. This part cross-references Gates CO34775 for the same application.
What It Helps Repair
- Coolant leaks at the thermostat housing
- Cracked or warped original housing surfaces
- Improper sealing at the thermostat mounting area
- Cooling system service issues on Chevrolet Express and GMC Savana platforms
- Housing replacement needs on older GM trucks and vans
Installation Notes and Tips
Verify the outlet port diameter, mounting hole spacing, and 45-degree neck angle before installation. Transfer or install the thermostat separately, since 902-756 does not include one. Use the included gasket and confirm the mating surfaces are clean and flat before reassembly. This part is listed for applications such as Fits 1996-2014 Chevrolet Express 1500, N/A; Fits 1996-2014 GMC Savana 1500, N/A; Fits 1996-2005 Chevrolet Astro, N/A; Fits 1996-2005 Chevrolet Express 2500, N/A; Fits 1996-2005 GMC Safari, N/A; and Fits 1996-2005 GMC Savana 2500, N/A.
Quality Assurance
Dorman designs this replacement thermostat housing to match stock fit and durability expectations for the specified vehicles. The metal construction is selected to withstand repeated thermal cycling in the cooling system.
This part fits 130 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2014 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2014 | GMC | Savana 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2013 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2013 | GMC | Savana 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2012 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2012 | GMC | Savana 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2011 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2011 | GMC | Savana 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2010 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2010 | GMC | Savana 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2009 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2009 | GMC | Savana 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2008 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2008 | GMC | Savana 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2007 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2007 | GMC | Savana 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2006 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2006 | GMC | Savana 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2005 | Chevrolet | Astro | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2005 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2005 | Chevrolet | Express 2500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2005 | GMC | Safari | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2005 | GMC | Savana 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2005 | GMC | Savana 2500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2004 | Chevrolet | Astro | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2004 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2004 | Chevrolet | Express 2500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2004 | GMC | Safari | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2004 | GMC | Savana 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2004 | GMC | Savana 2500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2003 | Chevrolet | Astro | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2003 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2003 | Chevrolet | Express 2500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2003 | GMC | Safari | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2003 | GMC | Savana 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2003 | GMC | Savana 2500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2002 | Chevrolet | Astro | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2002 | Chevrolet | Blazer | 4.3L | V6 | N/A | Export; Cover; Right Hand Drive (RHD) |
| 2002 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2002 | Chevrolet | Express 2500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2002 | Chevrolet | G30 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2002 | Chevrolet | S10 | 4.3L | V6 | N/A | Export; Cover; Right Hand Drive (RHD) |
| 2002 | GMC | Jimmy | 4.3L | V6 | N/A | Export; Cover; Right Hand Drive (RHD) |
| 2002 | GMC | Safari | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2002 | GMC | Savana 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2002 | GMC | Savana 2500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2002 | GMC | Sonoma | 4.3L | V6 | N/A | Export; Cover; Right Hand Drive (RHD) |
| 2001 | Chevrolet | Astro | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2001 | Chevrolet | Blazer | 4.3L | V6 | N/A | Export; Cover; Right Hand Drive (RHD) |
| 2001 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2001 | Chevrolet | Express 2500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2001 | Chevrolet | G30 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2001 | Chevrolet | S10 | 4.3L | V6 | N/A | Export; Cover; Right Hand Drive (RHD) |
| 2001 | GMC | Jimmy | 4.3L | V6 | N/A | Export; Cover; Right Hand Drive (RHD) |
| 2001 | GMC | Safari | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2001 | GMC | Savana 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2001 | GMC | Savana 2500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2001 | GMC | Sonoma | 4.3L | V6 | N/A | Export; Cover; Right Hand Drive (RHD) |
| 2000 | Chevrolet | Astro | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2000 | Chevrolet | Blazer | 4.3L | V6 | N/A | Export; Cover; Right Hand Drive (RHD) |
| 2000 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2000 | Chevrolet | Express 2500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2000 | Chevrolet | S10 | 4.3L | V6 | N/A | Export; Cover; Right Hand Drive (RHD) |
| 2000 | GMC | Jimmy | 4.3L | V6 | N/A | Export; Cover; Right Hand Drive (RHD) |
| 2000 | GMC | Safari | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2000 | GMC | Savana 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2000 | GMC | Savana 2500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2000 | GMC | Sonoma | 4.3L | V6 | N/A | Export; Cover; Right Hand Drive (RHD) |
| 1999 | Chevrolet | Astro | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1999 | Chevrolet | Blazer | 4.3L | V6 | N/A | Export; Cover; Right Hand Drive (RHD) |
| 1999 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1999 | Chevrolet | Express 2500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1999 | Chevrolet | P30 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1999 | Chevrolet | P30 | 5.7L | V8 | N/A | Engine coolant thermostat housing for cooling system. |
| 1999 | Chevrolet | S10 | 4.3L | V6 | N/A | Export; Cover; Right Hand Drive (RHD) |
| 1999 | GMC | Jimmy | 4.3L | V6 | N/A | Export; Cover; Right Hand Drive (RHD) |
| 1999 | GMC | P3500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1999 | GMC | P3500 | 5.7L | V8 | N/A | Engine coolant thermostat housing for cooling system. |
| 1999 | GMC | Safari | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1999 | GMC | Savana 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1999 | GMC | Savana 2500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1999 | GMC | Sonoma | 4.3L | V6 | N/A | Export; Cover; Right Hand Drive (RHD) |
| 1998 | Chevrolet | Astro | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1998 | Chevrolet | Blazer | 4.3L | V6 | N/A | Export; Cover; Right Hand Drive (RHD) |
| 1998 | Chevrolet | C1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1998 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1998 | Chevrolet | Express 2500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1998 | Chevrolet | K1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1998 | Chevrolet | P30 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1998 | Chevrolet | P30 | 5.7L | V8 | N/A | Engine coolant thermostat housing for cooling system. |
| 1998 | GMC | C1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1998 | GMC | Jimmy | 4.3L | V6 | N/A | Export; Cover; Right Hand Drive (RHD) |
| 1998 | GMC | K1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1998 | GMC | P3500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1998 | GMC | P3500 | 5.7L | V8 | N/A | Engine coolant thermostat housing for cooling system. |
| 1998 | GMC | Safari | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1998 | GMC | Savana 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1998 | GMC | Savana 2500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1997 | Chevrolet | Astro | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1997 | Chevrolet | Blazer | 4.3L | V6 | N/A | Export; Cover; Right Hand Drive (RHD) |
| 1997 | Chevrolet | C1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1997 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1997 | Chevrolet | Express 2500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1997 | Chevrolet | K1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1997 | Chevrolet | P30 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1997 | Chevrolet | P30 | 5.7L | V8 | N/A | Engine coolant thermostat housing for cooling system. |
| 1997 | GMC | C1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1997 | GMC | Jimmy | 4.3L | V6 | N/A | Export; Cover; Right Hand Drive (RHD) |
| 1997 | GMC | K1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1997 | GMC | P3500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1997 | GMC | P3500 | 5.7L | V8 | N/A | Engine coolant thermostat housing for cooling system. |
| 1997 | GMC | Safari | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1997 | GMC | Savana 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1997 | GMC | Savana 2500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1996 | Chevrolet | Astro | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1996 | Chevrolet | Blazer | 4.3L | V6 | N/A | Export; Cover; Right Hand Drive (RHD) |
| 1996 | Chevrolet | C1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1996 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1996 | Chevrolet | Express 2500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1996 | Chevrolet | K1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1996 | Chevrolet | P30 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1996 | Chevrolet | P30 | 5.7L | V8 | N/A | Engine coolant thermostat housing for cooling system. |
| 1996 | GMC | C1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1996 | GMC | Jimmy | 4.3L | V6 | N/A | Export; Cover; Right Hand Drive (RHD) |
| 1996 | GMC | K1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1996 | GMC | P3500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1996 | GMC | P3500 | 5.7L | V8 | N/A | Engine coolant thermostat housing for cooling system. |
| 1996 | GMC | Safari | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1996 | GMC | Savana 1500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1996 | GMC | Savana 2500 | 4.3L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| No rows match your filter. | ||||||
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — 6268Dorman - Conduct-Tite — 85170Gates — CO34775Motorad — 5170KT659381517012556593KGT-6593TG268