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Dorman 902-813 Engine Coolant Thermostat Housing Assembly - Engine Block
| Brand | Dorman 902-813 |
|---|---|
| Position | Engine Block |
| Bleeder Hole | No |
| Bolt Hole Center To Bolt Hole Center | 3.1 in; 3.2 in; 4 in; 3 in |
| Color | Black |
| Flange Length | 4.5 |
| Flange Thickness | 0.45 |
| Flange Width | 4.5 |
| Gasket Or Seal Included | Yes |
| Gasket Type | Gasket |
| Grade Type | Regular |
| Inside Diameter | 0.8 in; 1.1 in |
| Material | Plastic |
| Mounting Hardware Included | No |
| Mounting Hole Quantity | 4 |
| Outlet Port Quantity | 1 |
| Package Contents | 1 Thermostat Housing; 1 Thermostat; 1 Gasket |
| Thermostat Included | Yes |
| Thermostat Opening Temperature | 206 Deg. F. |
| Fits | BMW · 83 vehicles |
OE-style replacement. Matches stock housing fit and durability for a straightforward swap.
Plastic housing. Lightweight construction with a black finish for a clean, durable look.
Thermostat included. Comes with a gasket and thermostat for a more complete repair.
Cross-references AMS Automotive 4602, Beck/Arnley 143-0825 and Dorman - Conduct-Tite 85955 for the same application. See all 9.
Dorman 902-813 Thermostat Housing Assembly
Dorman 902-813 is a replacement engine coolant thermostat housing assembly built for specified BMW applications. It matches the stock housing’s fit and durability requirements while using a plastic housing with a black finish and an included gasket and thermostat.
Compatible With BMW 323i, 325Ci, 325i, 328i, 525i, X3, X5, and other listed models, this thermostat housing assembly is engineered for engine block mounting and steady coolant temperature control. The thermostat opens at 206 degrees F to support proper engine warm-up and cooling system regulation.
Key Features
- Replacement engine coolant thermostat housing assembly for specified BMW vehicles
- Plastic housing with black finish
- Thermostat included with 206 degrees F opening temperature
- Gasket included for sealing at installation
- Four mounting holes and one outlet port
- Designed to handle repeated temperature swings for extended service life
- Part number 902-813 for catalog and fitment lookup
Detailed Description
This Dorman thermostat housing assembly is built as a direct replacement for the original engine coolant thermostat housing used on select BMW 3 Series, 5 Series, X3, X5, Z3, and Z4 applications. It is designed around the original housing dimensions and mounting layout, including a 4.5-inch flange length and width, 0.45-inch flange thickness, and multiple bolt-hole center measurements for proper alignment. The included thermostat and gasket simplify service on the cooling system while maintaining the factory-style configuration.
Part number 902-813 cross-references Beck/Arnley 143-0825 and Gates 33934 for the same application. This part is commonly searched as a BMW thermostat housing assembly, BMW coolant thermostat housing, and Dorman 902-813 thermostat housing for engine block mounting.
Common Problems This Part Addresses
- Coolant leaks at a cracked or warped thermostat housing
- Engine running too cool or too hot from thermostat failure
- Temperature fluctuation caused by worn housing sealing surfaces
- Service issues from a damaged original plastic housing
- Cooling system maintenance on BMW 325Ci, 330i, X3, and related models
Installation Notes and Tips
Fits 2001-2006 BMW 325Ci, Engine Block. Fits 2001-2006 BMW 325i, Engine Block. Fits 2001-2006 BMW 330Ci, Engine Block. Fits 2004-2006 BMW X3, Engine Block. Fits 2001-2006 BMW X5, Engine Block. Fits 2001-2005 BMW 320i, Engine Block. Fits 2001-2005 BMW 325xi, Engine Block. Fits 2001-2005 BMW 330i, Engine Block. Fits 2001-2005 BMW 330xi, Engine Block. Fits 2001-2005 BMW 525i, Engine Block. Fits 2001-2005 BMW 530i, Engine Block. Fits 2003-2005 BMW Z4, Engine Block. Fits 1999-2002 BMW Z3, Engine Block. Fits 1999-2001 BMW 323i, Engine Block. Fits 2000 BMW 323Ci, Engine Block. Fits 2000 BMW 328Ci, Engine Block. Fits 1999-2000 BMW 328i, Engine Block. Fits 1999-2000 BMW 528i, Engine Block.
Before installation, verify the engine code and compare the housing shape, bolt pattern, and outlet orientation to the original part. Replace the gasket during service, inspect the mating surfaces for damage, and refill and bleed the cooling system according to BMW service procedures after installation.
Quality Assurance
Dorman designs this replacement housing to match the fit and durability of the original stock assembly and to withstand extreme temperature changes. The included thermostat and gasket support a complete cooling system repair on the listed BMW applications.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2006 | BMW | 325Ci | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2006 | BMW | 325i | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2006 | BMW | 330Ci | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2006 | BMW | X3 | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2006 | BMW | X3 | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2006 | BMW | X5 | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2005 | BMW | 320i | 2.2L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2005 | BMW | 325Ci | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2005 | BMW | 325i | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2005 | BMW | 325xi | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2005 | BMW | 330Ci | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2005 | BMW | 330i | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2005 | BMW | 330xi | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2005 | BMW | 525i | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2005 | BMW | 530i | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2005 | BMW | X3 | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2005 | BMW | X3 | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2005 | BMW | X5 | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2005 | BMW | Z4 | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2005 | BMW | Z4 | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2004 | BMW | 320i | 2.2L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2004 | BMW | 325Ci | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2004 | BMW | 325i | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2004 | BMW | 325xi | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2004 | BMW | 330Ci | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2004 | BMW | 330i | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2004 | BMW | 330xi | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2004 | BMW | 525i | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2004 | BMW | 530i | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2004 | BMW | X3 | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2004 | BMW | X3 | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2004 | BMW | X5 | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2004 | BMW | Z4 | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2004 | BMW | Z4 | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2003 | BMW | 320i | 2.2L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2003 | BMW | 325Ci | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2003 | BMW | 325i | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2003 | BMW | 325xi | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2003 | BMW | 330Ci | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2003 | BMW | 330i | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2003 | BMW | 330xi | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2003 | BMW | 525i | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2003 | BMW | 530i | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2003 | BMW | X5 | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2003 | BMW | Z4 | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2003 | BMW | Z4 | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2002 | BMW | 320i | 2.2L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2002 | BMW | 325Ci | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2002 | BMW | 325i | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2002 | BMW | 325xi | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2002 | BMW | 330Ci | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2002 | BMW | 330i | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2002 | BMW | 330xi | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2002 | BMW | 525i | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2002 | BMW | 530i | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2002 | BMW | X5 | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2002 | BMW | Z3 | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2002 | BMW | Z3 | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2001 | BMW | 320i | 2.2L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2001 | BMW | 323i | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2001 | BMW | 325Ci | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2001 | BMW | 325i | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2001 | BMW | 325xi | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2001 | BMW | 330Ci | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2001 | BMW | 330i | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2001 | BMW | 330xi | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2001 | BMW | 525i | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2001 | BMW | 530i | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2001 | BMW | X5 | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2001 | BMW | Z3 | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2001 | BMW | Z3 | 3.0L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2000 | BMW | 323Ci | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2000 | BMW | 323i | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2000 | BMW | 328Ci | 2.8L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2000 | BMW | 328i | 2.8L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2000 | BMW | 528i | 2.8L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2000 | BMW | Z3 | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 2000 | BMW | Z3 | 2.8L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 1999 | BMW | 323i | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 1999 | BMW | 328i | 2.8L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 1999 | BMW | 528i | 2.8L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 1999 | BMW | Z3 | 2.5L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
| 1999 | BMW | Z3 | 2.8L | L6 | Engine Block | Engine Coolant Thermostat Housing Assembly with included thermostat - fits various vehicle models |
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