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🔧 Upgrade your Jeep’s cooling system with confidence — don’t let a worn drain cock slow you down!
The Dorman 61104 Drain Cock is a durable, brass radiator drain petcock designed as a direct OEM replacement for select Jeep models (1991-1993 Grand Wagoneer, 1987-1988 J10/J20). Engineered for corrosion resistance and precise fit, it’s backed by Dorman’s century-long reputation and virtual testing to ensure reliable performance and easy installation.
| ASIN | B000CO7DJK |
| Additional Features | Durable |
| Best Sellers Rank | #57,655 in Automotive ( See Top 100 in Automotive ) #2 in Automotive Replacement Engine Radiator Drain Cocks |
| Brand | Dorman |
| Brand Name | Dorman |
| Color | Brass |
| Compatible Groove Diameter | 6.35 Millimeters |
| Customer Reviews | 4.6 out of 5 stars 434 Reviews |
| Finish Type | Polished |
| Finish Types | Polished |
| Global Trade Identification Number | 00037495611046 |
| Item Dimensions W x H | 1.77"W x 7.48"H |
| Item Weight | 0.05 Pounds |
| Manufacturer | Dorman Products |
| Manufacturer Part Number | 61104 |
| Manufacturer Warranty Description | Limited lifetime warranty. |
| Material | Brass |
| Material Type | Brass |
| Model Number | 61104 |
| Number of Items | 1 |
| Product Dimensions | 1.77"W x 7.48"H |
| Product Style | Modern |
| Special Feature | Durable |
| UPC | 037495611046 |
| Unit Count | 1.0 Count |
R**R
great vent solution for certain types of 5, 7 gal & similar plastic containers
Perfect alternative to the yellow snap plastic container vent caps that might want to be used on gas cans or where vent cap has been lost or is less secure on 7 gal and similar water containers. Durable and secure seal and the cap won’t get lost. For a new install, drilled a small guide hole in thickest part of the can to start (where the vent has been omitted) and used a reamer and small shop vac to catch shavings. Reamed just to point where threads on the petcock would catch. In my opinion, this petcock is the best way to go. Smallest part of the threads at the tip measure .52" and .54" below the hex nut with a digital caliper. In my opinion, there might be insufficient material left for a straight across conversion of old vent cap to a brass petcock in the same hole. With care though, it could be made to work with an adequate permanent sealant. This is something you do at your own risk.
F**A
Perfect fit.
Work great.
E**D
Nice product.
Well packaged. Fast shipment. Nice quality.
A**R
Perfect 👌
Perfect 👌
C**E
Good but could be better
Good replacement for my air compressor but has air leaks if not cranked closed with extra force. I used thread tape to ensure with fit. I had to use pliers in order to get it closed enough to stop the air leak. Since these are mass produced issues happen but it does work and do what it's supposed to
J**E
Works well
It works well but didn’t serve my intended purpose. I made a stainless compressed air tank and wanted to use this as a drain. The only problem was that it would leak at around 150 psi. Pretty sure if you are using this in your radiator then you wouldn’t experience this problem or that high of a pressure.
A**R
Worked perfectly
Good solid part. Would buy again
R**X
Brass construction
Useful anywhere a 1/4" NPT petcock is required, commonly used as radiator drains in older cars. The body of the valve is made from solid brass and won't rust or seize. The wing on top is steel, but is plated to resist corrosion. I use these in racing engine blocks to simplify draining of coolant, which in drag race engines is usually only water, so corrosion resistance is necessary.
Trustpilot
2 weeks ago
2 months ago