Description
Product Overview
The Dorman 61121 radiator drain petcock is a direct replacement designed to match the fit and function of the original equipment part. Constructed from high‑grade metal, it offers a robust, corrosion‑resistant solution for draining engine coolant. The exterior is finished ready‑to‑paint, allowing seamless integration with your vehicle’s existing color scheme. Dimensions measure 5.5 x 1.8 x 1.5 inches and the unit weighs just 0.48 ounces, making it easy to handle during installation. Engineered to meet OEM part numbers 332251, 611213, 4266728, and 4773259, this petcock ensures precise compatibility across a wide range of makes and models.
Usage
Ideal for both DIY enthusiasts and professional mechanics, this drain cock is used when servicing or replacing a radiator, performing coolant flushes, or conducting routine maintenance on the engine cooling system. Its sturdy metal construction tolerates high temperatures and pressure, providing a dependable seal that prevents leaks during operation. Suitable for passenger cars, light trucks, and SUVs, the petcock’s ready‑to‑paint finish allows it to blend with factory‑painted components, preserving the vehicle’s aesthetic. 
Why Choose Us
Dorman brings over a century of experience in automotive replacement parts, guaranteeing quality and reliability. Each petcock undergoes virtual testing to confirm proper fit and function, reducing the risk of installation errors. The durable metal construction extends service life, while the ready‑to‑paint surface ensures a seamless visual match with your vehicle. Backed by a strong reputation and positive customer reviews (4.1 out of 5 stars), Dorman parts are trusted by mechanics worldwide.
Key Features
- Direct OEM replacement – matches original part numbers for perfect fit
- High‑strength metal construction for long‑lasting durability
- Ready‑to‑paint exterior blends with factory finishes
- Easy installation with standard tools and clear fitment instructions
- Backed by Dorman’s 100‑year legacy of quality automotive parts
FAQ
Is this petcock compatible with my vehicle?
Use the garage tool on the retailer’s site to enter your vehicle’s make, model, and year. The Confirmed Fit bar will indicate if the Dorman 61121 is the correct replacement.
Do I need to paint the petcock after installation?
The exterior is finished ready‑to‑paint, so you can apply matching paint if desired. It will also function perfectly without painting, though painting helps it blend with surrounding components.
What tools are required for installation?
Standard hand tools such as a wrench or socket set are sufficient. No special equipment is needed beyond what is typically used for radiator drain valve removal.
Can this part be used for a coolant flush?
Yes, the petcock is designed to safely drain coolant during flushes or regular maintenance, providing a secure seal to prevent leaks.
What is the warranty on this product?
Dorman offers a limited warranty that covers defects in material and workmanship, reflecting confidence in the product’s quality.




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