General Motors® 12570621 Multi-Port Fuel Injector O-Ring Kit with 16 O-Rings
General Motors® 12570621 Multi-Port Fuel Injector O-Ring Kit with 16 O-Rings is backordered and will ship as soon as it is back in stock.
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General Motors® 12570621 Multi-Port Fuel Injector O-Ring Kit with 16 O-Rings is backordered and will ship as soon as it is back in stock.
Description
Description
The GM 12570621 is an official Multi-Port Fuel Injector O-Ring & Seal Kit (often featuring 16 O-rings to service 8-injector setups). It is primarily designed to fit a wide range of 1999–2005 GM vehicles equipped with 3.1L, 3.4L, or 3.8L V6 engines.



