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DormanPart #: 902-2059

Dorman 902-2059 Engine Coolant Thermostat Housing - Lower
⚙️ 24 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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*Free return shipping only qualifies if our fitment verification tool is used.
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✅ 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: Buick, Cadillac, Chevrolet, and Pontiac, Bonneville, Caprice, Catalina, DeVille, Eldorado, Fleetwood, Grand Prix, Impala, LeSabre, Riviera, and Seville
🔄Easy Returns — Return within 60 days for a full refund
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Not what you need? Click here for all Engine Coolant Thermostat Housing options
Dorman 902-2059 Engine Coolant Thermostat Housing - Lower
| Brand | Dorman |
| Part Number | 902-2059 |
| Material | Metal |
| Color | Natural |
| Outlet Port Diameter | 1.25 |
| Gasket Or Seal Included | Yes |
| Mounting Hole Quantity | 2 |
| Mounting Hole Diameter | 0.313 |
| Air Vent (Bleeder Valve) | No |
| Bolts Included | No |
| Housing Neck Angle (┬░) | 45 |
| O Rings Included | Not required |
| Package Contents | Thermostat housing with gasket |
| Thermostat Included | No |
This part fits 24 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1982 | Cadillac | DeVille | 4.1L | V6 | N/A | Cover; 4 Barrel Carburetor |
| 1982 | Cadillac | DeVille | 4.1L | V8 | N/A | Cover; 4 Barrel Carburetor |
| 1982 | Cadillac | Eldorado | 4.1L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1982 | Cadillac | Fleetwood | 4.1L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1982 | Cadillac | Fleetwood | 4.1L | V8 | N/A | Engine coolant thermostat housing for cooling system. |
| 1982 | Cadillac | Seville | 4.1L | V6 | Lower | Engine coolant thermostat housing for cooling system. |
| 1982 | Cadillac | Seville | 4.1L | V8 | Lower | Engine coolant thermostat housing for cooling system. |
| 1982 | Pontiac | Bonneville | 4.1L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1982 | Pontiac | Grand Prix | 4.1L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1981 | Buick | LeSabre | 4.1L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1981 | Buick | LeSabre | 3.8L | V6 | N/A | Cover; w/Federal Emissions |
| 1981 | Buick | Riviera | 4.1L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1981 | Cadillac | DeVille | 4.1L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1981 | Cadillac | Eldorado | 4.1L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1981 | Cadillac | Fleetwood | 4.1L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1981 | Cadillac | Seville | 4.1L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1981 | Chevrolet | Caprice | 3.8L | V6 | N/A | Cover; w/Federal Emissions |
| 1981 | Chevrolet | Impala | 3.8L | V6 | N/A | Cover; w/Federal Emissions |
| 1981 | Pontiac | Bonneville | 3.8L | V6 | N/A | Cover; w/Federal Emissions |
| 1981 | Pontiac | Catalina | 3.8L | V6 | N/A | Cover; w/Federal Emissions |
| 1981 | Pontiac | Grand Prix | 3.8L | V6 | N/A | Cover; w/Federal Emissions |
| 1980 | Buick | LeSabre | 4.1L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1980 | Cadillac | DeVille | 4.1L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1980 | Cadillac | Fleetwood | 4.1L | 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:
25502661616481490184901CH3059
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.