Dorman 61133 Radiator Drain Petcock

Overview of Dorman Radiator Drain Petcock 61133

The Dorman Radiator Drain Petcock 61133 is designed specifically for select Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, and Saturn vehicles. This black plastic radiator drain cock provides a reliable solution for draining coolant efficiently and safely.

• Durable black plastic construction
• Thread length of 1.688 inches for secure fit
• Overall width of 0.462 inches for precise installation
• Specific fit for multiple GM makes and models
• Includes one radiator drain petcock per package

Detailed Product Description

The Dorman 61133 radiator drain petcock is engineered to meet the exact specifications required by various GM vehicles, including models such as the Chevrolet Blazer, GMC Sierra C1500, Cadillac Escalade, and Pontiac Grand Prix. Made from durable plastic, this drain cock resists corrosion and wear from coolant exposure. Its 1.688-inch thread length ensures a tight seal to prevent leaks, while the compact 0.462-inch overall width allows for easy installation in tight engine compartments. This part is a direct replacement designed to maintain the integrity of your vehicle's cooling system.

Common Applications and Problem Resolution

• Facilitates controlled draining of radiator coolant during maintenance
• Replaces worn or leaking radiator drain valves
• Prevents coolant leaks that can lead to engine overheating
• Helps maintain proper coolant flow and system pressure
• Restores factory fit and function in specific GM vehicles

Installation Notes and Tips

Before installation, ensure the engine is cool to avoid injury from hot coolant. Drain the radiator fluid completely to prevent spills. Remove the old drain petcock carefully, inspecting the radiator drain hole for damage or debris. Thread the Dorman 61133 petcock by hand initially to avoid cross-threading, then tighten securely with an appropriate tool without over-tightening to prevent cracking the plastic. After installation, refill the cooling system and check for leaks during engine operation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 61133 radiator drain petcock undergoes quality control inspections to ensure durability and performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete information.