256233 - Bolt 5/16" UNF x 3-3/4" -
$5.59
$6.99
Filler Plug sealing the fill and bleed point of the engine cooling system, fitted to the thermostat housing and the radiator. O-ring is included.
This brass plug closes the top-up and bleed port and maintains cooling system integrity under operating pressure on Tdi and V8 applications. It is sealed by O-ring ESR4685, which should be renewed each time the plug is removed.
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