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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
Idler Pulley (Steel) Oct 1999 - Oct 2002
Only for use in VZ with LS1 or LS2
EngCode: P4AT
K&N 63-3074 - explore product
The KNHP-7021 cartridge oil filter from K&N is built for drivers who expect more from their service parts
GM 12589867 KNOCK SENSOR SUITS LS1 V8 EVO Idler Pulley (Steel) Oct 1999ACDelco GM Genuine Parts knock sensors are the GM recommended replacement for the vehicles original component. They monitor the engine for pinging or spark knock. The sensors create a voltage signal based on the vibrations caused by erratic air fuel mixture combustion. The engine control module then uses that signal to adjust the ignition timing and air fuel mixture. These GM Genuine Parts knock sensors have been manufactured to fit your GM vehicle,
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