{"product_id":"atp-parts-za-578-clutch-flywheel-ring-gear","title":"ATP Parts ZA-578 Clutch Flywheel Ring Gear","description":"\u003ch2\u003eOverview of ATP Parts Clutch Flywheel Ring Gear ZA-578\u003c\/h2\u003e\u003cp\u003eThe ATP Parts clutch flywheel ring gear ZA-578 is designed for reliable performance in select Ford and Mercury vehicles. Engineered to precise specifications, this ring gear supports smooth clutch operation and optimal transmission function.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside Diameter: 10.475 inches\u003c\/li\u003e\n\u003cli\u003eOutside Diameter: 11.642 inches\u003c\/li\u003e\n\u003cli\u003eThickness: 0.373 inches\u003c\/li\u003e\n\u003cli\u003eTooth Quantity: 138 teeth\u003c\/li\u003e\n\u003cli\u003ePitch Flywheels: 12\u003c\/li\u003e\n\u003cli\u003eRing Gear Chamfer: None\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications and Features\u003c\/h2\u003e\u003cp\u003eThis clutch flywheel ring gear features a 10.475-inch inside diameter and an 11.642-inch outside diameter, providing a precise fit for compatible flywheels. The 0.373-inch thickness ensures durability while maintaining proper engagement with the starter motor. With 138 teeth and a pitch of 12, the ZA-578 ring gear is engineered to match OEM specifications for smooth and consistent operation. The absence of a chamfer on the ring gear edges indicates a direct fit without modifications.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThe ATP Parts ZA-578 clutch flywheel ring gear is compatible with a range of Ford and Mercury models, including the Aerostar, Bobcat, Bronco II, Capri, Explorer, Mustang, Pinto, and Ranger. This part number is specifically designed to meet the transmission requirements of these vehicles, ensuring proper fitment and function.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by the ZA-578 Ring Gear\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eStarter motor engagement problems due to worn or damaged ring gear teeth\u003c\/li\u003e\n\u003cli\u003eClutch slippage caused by improper flywheel gear alignment\u003c\/li\u003e\n\u003cli\u003eExcessive noise or vibration from flywheel gear wear\u003c\/li\u003e\n\u003cli\u003eDifficulty in starting the engine related to ring gear damage\u003c\/li\u003e\n\u003cli\u003eTransmission performance issues linked to faulty flywheel components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the ATP Parts ZA-578 clutch flywheel ring gear, ensure the flywheel surface is clean and free of debris. Proper alignment of the ring gear teeth with the starter motor is critical to avoid premature wear. Use appropriate torque specifications for mounting bolts and verify that the gear seats flush against the flywheel. It is recommended to inspect the starter motor pinion for wear during installation to prevent future engagement issues.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eATP Parts manufactures the ZA-578 clutch flywheel ring gear to meet industry standards for durability and performance. Each unit undergoes quality control inspections to ensure dimensional accuracy and material integrity. While specific warranty details are not provided, ATP Parts products typically come with a limited warranty against manufacturing defects. Consult product documentation or authorized sources for warranty terms.\u003c\/p\u003e","brand":"ATP Parts","offers":[{"title":"Default Title","offer_id":43385752682677,"sku":"BBFB-ZA-578","price":41.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/AT_ZA578_Fro.jpg?v=1774704674","url":"https:\/\/www.partcatalog.com\/products\/atp-parts-za-578-clutch-flywheel-ring-gear","provider":"PartCatalog","version":"1.0","type":"link"}