Engine Core Plug

Part Number: 30713237
Supersession(s): 8642542

Engine Expansion Plug. Engine Freeze Plug. Engine Welch Plug.
Plug that prevents the engine block or cylinder head from cracking in case of freezing coolant. Also used to plug the casting holes from production.

PLUG

Smythe Volvo Parts Online

40-42 River Road, Summit, NJ, 07901

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