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IMPORTANT: Electrical items are covered by a 30 day EXCHANGE ONLY WARRANTY. There are no returns or refunds on such items.
Quality Replacement Original AC Delco Part Two Required Per Car Quality replacement for the knock sensors hidden under the intake of the LS1 engine. Due to many heat cycles, the end of the knock sensor the wiring plug attaches to can become brittle and allow the plug to fall to the side which will cause the check engine light to come on.Make | Model | Years |
Pontiac | Firebird | 1998 - 2002 |