ATP ZA-509 Ring Gear 037495470391 The interior wall of the

The interior wall of the tube is coated with a paint known as phosphor

Brand Beck Arnley Model 016-1045

7L L4 - Gas-1998-2000 Toyota 4Runner Limited 2

1998-2004 S-10 Blazer

Brand Dorman Model 973-430

ATP ZA-509 Ring Gear 037495470391 The interior wall of theBrand ATP Automotive Model ZA 509 Manufactured to meet or exceed original equipment specs The ring gear has teeth which engage with the starter motor allowing the engine to crank over and start. Repeated engagement with the starter results in worn or broken ring gear teeth. Once this is diagnosed, the ring gear must be replaced. ATP ring gears are designed to fit and function just like the original part to ensure durability and long life.