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DormanPart #: 902-5056
Dorman 902-5056 Engine Coolant Thermostat Housing
⚙️ 8 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$29.14Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mitsubishi, Diamante
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Engine Coolant Thermostat Housing options
Dorman 902-5056 Engine Coolant Thermostat Housing
| Brand | Dorman |
| Part Number | 902-5056 |
| Material | Metal |
| Color | Natural |
| Outlet Port Diameter | 1.313 |
| Gasket Or Seal Included | Yes |
| Mounting Hole Quantity | 3 |
| Mounting Hole Diameter | 0.313 |
| Air Vent (Bleeder Valve) | No |
| Bolts Included | No |
| Housing Neck Angle (┬░) | 180 |
| O Rings Included | Not required |
| Package Contents | Thermostat housing with gasket |
| Thermostat Included | No |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2004 | Mitsubishi | Diamante | 3.5L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2003 | Mitsubishi | Diamante | 3.5L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2002 | Mitsubishi | Diamante | 3.5L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2001 | Mitsubishi | Diamante | 3.5L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2000 | Mitsubishi | Diamante | 3.5L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1999 | Mitsubishi | Diamante | 3.5L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1998 | Mitsubishi | Diamante | 3.5L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1997 | Mitsubishi | Diamante | 3.5L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
81562785271CH6056MD318023
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.