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Drain Cock 1/4 NPT for Engine Blocks Manifolds and Heat Exchangers

$9.95

  • Part #: SIE18-4218


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Drain Cock or Tap. Install this in any 1/4 NPT hole to allow for easy winterization. GM engine blocks and many exhaust manifolds use this size.

Tech Tip:

If you unscrew the drain and no water comes out, stick a small Phillips head screw driver in the hole. Many times sediment will clog the fitting and keep the water in. Do not assume there is no water in your engine.

Replaces:
GLM13993
Mallory9-41201
Mercury Marine22-87238, 22-16951A1, 22-16951Q1, 22-16951T1
OMC379957
Volvo Penta82745




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