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Replacement 1/8" Drain Cock
Fits 41-71 Jeep & Willys

Part # A1126B

New Reproduction 1/8" Drain Cock

Drain cock used on radiators and engine blocks on all models. This is the part that treads into the block or radiator with the wing nut that is opened and closed to drain the cooling system.

Fits:
41-45 MB
41-45 GPW
46-49 CJ-2A
49-53 CJ-3A
53-64 CJ-3B
55-71 CJ-5
55-71 CJ-6
50-52 M38
52-66 M38A1
46-64 Truck
46-64 Station Wagon
48-51 Jeepster

Note:
This will not work for the replacement radiator (640145).

Part # Price
A1126B

$6.44

MSRP:

$6.44

MSRP:

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I purchased a replacement radiator and the drain cock is defective, what size drain cock do I need and do you carry drain cocks that fit the replacement radiators?

Willys Jeep Parts Tech:
Depends on the radiator. Give us a call and we can try to help you.

I removed the drain cock from the side of the engine block and nothing comes out event if the block is full of fluid. Does this mean that the water jacket is so full of junk that it can no longer get to the bottom of the block? If so, any idea how to clean. Thanks.

Willys Jeep Parts Tech:
Sounds like it is blocked. I would definitely have it flushed out professionally.
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