Dorman 902-2026 Engine Coolant Thermostat Housing

Reliable Engine Coolant Thermostat Housing for Buick, Oldsmobile, Pontiac

The Dorman 902-2026 engine coolant thermostat housing is designed to provide a durable and precise fit for select Buick, Oldsmobile, and Pontiac models. Crafted from metal with a natural finish, this thermostat housing ensures proper coolant flow and engine temperature regulation.

• Constructed from durable metal material for long-lasting performance
• Natural color finish complements engine components
• Outlet port diameter of 1.313 inches for accurate coolant flow
• Includes O-ring for a secure seal, no gasket or seal included
• Housing neck angle set at 90 degrees for proper hose alignment
• Compatible with Buick, Oldsmobile, and Pontiac models including Bonneville, Century, Cutlass Ciera, Cutlass Cruiser, Delta 88, Firebird, LeSabre, Regal, Riviera, and Toronado
• Part number 902-2026 ensures correct replacement part

Product Details and Specifications

The Dorman 902-2026 thermostat housing is engineered with a 90-degree housing neck angle to maintain optimal coolant hose positioning. The outlet port diameter measures 1.313 inches, matching OEM specifications for a precise fit. This part includes an O-ring to help prevent leaks, although it does not come with a gasket or mounting bolts. The mounting hole diameter is 0.313 inches, designed to fit securely without additional hardware. The metal construction offers resistance to heat and corrosion, making it suitable for the cooling systems of various Buick, Oldsmobile, and Pontiac vehicles.

Compatible Vehicle Applications

This thermostat housing is compatible with multiple GM models, including:

• Buick Bonneville, Century, LeSabre, Riviera
• Oldsmobile Cutlass Ciera, Cutlass Cruiser, Delta 88, Toronado
• Pontiac Firebird, Regal

Ensure compatibility by verifying your vehicle’s make and model before installation.

Common Issues Addressed by This Thermostat Housing

• Coolant leaks caused by cracked or damaged thermostat housing
• Overheating due to improper coolant flow
• Engine temperature fluctuations from faulty housing seals
• Corrosion or wear compromising the cooling system integrity
• Replacement of worn or broken thermostat housing components

Installation Notes and Tips

Before installation, inspect the mounting area for debris or damage. Use the included O-ring to ensure a proper seal, but note that a gasket and mounting bolts are not included and may need to be sourced separately. Tighten mounting bolts to manufacturer torque specifications to avoid leaks or damage. Verify hose alignment with the 90-degree neck angle to prevent stress on coolant lines.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 902-2026 thermostat housing undergoes quality checks to ensure durability and performance. Please refer to Dorman’s warranty policy for specific coverage details.