Features and Benefits Superb Manufacturing Process. Our OES Starters are remanufactured on an assembly lines with standardized procedures for better quality control. Statistical process controls are also used throughout the remanufacturing process to monitor and adjust build quality. Under these controls, ACDelco requires that all finished alternators and starters be tested. Rigorous Testing To further confirm the reliability and durability of ACDelco Original Equipment Remanufactured Starters, they are tested as follows: Parts are Hi-Room Temperature Tested for Proper Operation Parts are Speed Tested from 5000 rpm to 8000 rpm meeting Original Specifications Long Lasting ACDelco OES Remanufactured Starters are tested for superb performance and durabilityPower most GM makes and models ACDelco OE Starters are engineered for virtually every GM make and model of car, light-duty truck and sport utility vehicle.Failure Mode and Effect Analysis (FMEA) Provides valuable information that assists in the continuous product improvement processNew parts All ACDelco OES Starters are remanufactured from original equipment cores. Obsolete and damaged parts are replaced with OEM components or high-quality, new aftermarket parts. Plus all ACDelco OES Starters are remanufactured with 100% new Bearing, 100% new Bushings, and 100% new BrushesRemanufactured to meet or exceed original equipment specifications and 100% performance-testedRemarkably durable Components are tested for Durability Meeting Original Specification Requirements.Excellent warranty; receive a 12-month/12,000-mile, whichever comes first, limited warranty* for light-duty applications and a 12-month/unlimited miles limited warranty* for specific heavy-duty applications* To the original retail purchaser. Parts only; installation not included. See your local retailer or independent service center that offers ACDelco parts for details. Function & Signs of Wear Find out more about ACDelco OES Remanufactured Starters and how they fit into the Starting and Charging System with the product facts below. FUNCTION: The starter motor cranks the engine when engaged with the flywheel. The solenoid uses electromagnetic force to power the starter motor and flywheel SIGNS OF WEAR: Sporadic engine cranking, poor starting qualities What It Does The Starting and Charging System starts the engine, maintains the battery"s charge and provides power to the electrical accessories while the engine is running. Reliable, durable and rigorously tested.