ATP Parts ZA-514 Clutch Flywheel Ring Gear

Brand ATP Parts ZA-514
Inside Diameter 15.564
Thickness 0.42
Outside Diameter 16.404
Tooth Quantity 197
LineCode Atp4
Pitch Flywheels 12/14
Ring Gear Chamfer None
Fits Chevrolet and GMC · 158 vehicles

OE-style replacement. Matches original fit and function requirements for the listed ring gear application.

197-tooth design. Built with precise tooth count for starter engagement and flywheel service.

Heavy-duty fitment. Specified for truck applications with 16.404-inch outside diameter.

Cross-references Pioneer Automotive Industries FRG-197B, StrongArm 4419 and 197B for the same application. See all 11.

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Clutch Flywheel Ring Gear Overview

ATP Parts ZA-514 is a clutch flywheel ring gear built for applications that use a 197-tooth ring gear with a 16.404-inch outside diameter. It engages the starter motor to crank the engine, and worn or broken teeth are a common reason for replacement.

Fits 1980-1988 Chevrolet C50, N/A. Fits 1980-1988 Chevrolet C60, N/A. Fits 1980-1988 Chevrolet C70, N/A. Fits 1980-1988 GMC C6000, N/A. Fits 1980-1988 GMC C7000, N/A. Fits 1980-1985 GMC C7000, N/A.

Key Features

  • 197-tooth ring gear for the listed flywheel applications.
  • 16.404-inch outside diameter with a 15.564-inch inside diameter.
  • 0.42-inch thickness for proper flywheel engagement.
  • 12/14 pitch specification and no chamfer.
  • Built to match original fit and function requirements.

Detailed Description

This ATP Parts ring gear is made for heavy-duty clutch flywheel applications where starter engagement depends on accurate tooth profile and diameter. The ZA-514 is specified with 197 teeth, a 16.404-inch outside diameter, and a 15.564-inch inside diameter, helping it align with the original flywheel setup in the listed Chevrolet and GMC trucks. ATP Parts ZA-514 is intended to replace a worn ring gear with a part that matches the original design and operating requirements.

This part cross-references Pioneer Automotive Industries FRG-197B and StrongArm 4419 for the same application.

What It Helps Solve

  • Broken or missing starter engagement teeth.
  • Hard cranking caused by worn ring gear teeth.
  • Starter slip during engine start.
  • Flywheel service needs on heavy-duty manual transmission applications.

Installation Notes and Tips

Verify tooth count, outside diameter, inside diameter, and flywheel pitch before installation. Confirm the application notes for Allison AT643 Manual and MT653 DRG where listed, since fitment varies by transmission configuration. Match the replacement ring gear to the existing flywheel specification before assembly.

Quality Assurance

ATP Parts designs this ring gear to fit and function like the original part for dependable service life.

This part fits 158 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelTransmissionLitersCylindersNotes
1988ChevroletC50—U/K5.7LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1988ChevroletC60—U/K8.2LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1988ChevroletC60—U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1988ChevroletC60—U/K5.7LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1988ChevroletC70—U/K8.2LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1988ChevroletC70—U/K7.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1988ChevroletC70—U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1988ChevroletC70—U/K10.4LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1988GMCC6000—U/K5.7LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1988GMCC7000C7D064U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"; Only Fits Allison AT643 Manual
1988GMCC7000C7D042U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"; Only Fits Allison AT643 Manual
1987ChevroletC50—U/K5.7LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1987ChevroletC60—U/K8.2LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1987ChevroletC60—U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1987ChevroletC60—U/K5.7LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1987ChevroletC70—U/K8.2LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1987ChevroletC70—U/K7.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1987ChevroletC70—U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1987ChevroletC70—U/K10.4LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1987GMCC6000—U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1987GMCC6000—U/K5.7LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1987GMCC7000C7D064U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"; Only Fits Allison AT643 Manual
1987GMCC7000C7D042U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"; Only Fits Allison AT643 Manual
1986ChevroletC50—U/K7.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1986ChevroletC50—U/K5.7LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1986ChevroletC50—U/K4.8LL6Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1986ChevroletC60—U/K8.2LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1986ChevroletC60—U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1986ChevroletC60—U/K5.7LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1986ChevroletC60—U/K4.8LL6Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1986ChevroletC60—U/K14.0LL6Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1986ChevroletC70—U/K8.2LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1986ChevroletC70—U/K7.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1986ChevroletC70—U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1986ChevroletC70—U/K5.7LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1986ChevroletC70—U/K14.0LL6Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1986ChevroletC70—U/K10.4LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1986GMCC6000—U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1986GMCC6000—U/K5.7LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1986GMCC6000—U/K4.8LL6Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1986GMCC7000C7D064U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"; Only Fits Allison AT643 Manual
1986GMCC7000C7D042U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"; Only Fits Allison AT643 Manual
1985ChevroletC50—U/K5.7LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1985ChevroletC50—U/K4.8LL6Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1985ChevroletC60—U/K8.2LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1985ChevroletC60—U/K7.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1985ChevroletC60—U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1985ChevroletC60—U/K5.7LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1985ChevroletC60—U/K4.8LL6Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1985ChevroletC60—U/K10.4LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1985ChevroletC70—U/K8.2LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1985ChevroletC70—U/K7.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1985ChevroletC70—U/K6.1LL6Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1985ChevroletC70—U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1985ChevroletC70—U/K10.4LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1985GMCC6000—U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1985GMCC6000—U/K5.7LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1985GMCC6000—U/K4.8LL6Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1985GMCC7000C7D064U/K7.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"; MT653 DRG; Only Fits Allison AT643 Manual
1985GMCC7000C7D044U/K7.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"; MT653 DRG; Only Fits Allison AT643 Manual
1985GMCC7000C7D042U/K7.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"; MT653 DRG; Only Fits Allison AT643 Manual
1985GMCC7000C7D064U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"; Only Fits Allison AT643 Manual
1985GMCC7000C7D044U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"; Only Fits Allison AT643 Manual
1985GMCC7000C7D042U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"; Only Fits Allison AT643 Manual
1984ChevroletC50—U/K5.7LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1984ChevroletC50—U/K4.8LL6Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1984ChevroletC60—U/K8.2LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1984ChevroletC60—U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1984ChevroletC60—U/K5.7LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1984ChevroletC60—U/K4.8LL6Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1984ChevroletC60—U/K10.4LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1984ChevroletC70—U/K8.2LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1984ChevroletC70—U/K7.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1984ChevroletC70—U/K6.1LL6Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1984ChevroletC70—U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1984ChevroletC70—U/K10.4LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1984GMCC6000—U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1984GMCC6000—U/K5.7LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1984GMCC6000—U/K4.8LL6Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1984GMCC7000C7D064U/K7.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"; MT653 DRG; Only Fits Allison AT643 Manual
1984GMCC7000C7D044U/K7.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"; MT653 DRG; Only Fits Allison AT643 Manual
1984GMCC7000C7D042U/K7.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"; MT653 DRG; Only Fits Allison AT643 Manual
1984GMCC7000C7D064U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"; Only Fits Allison AT643 Manual
1984GMCC7000C7D044U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"; Only Fits Allison AT643 Manual
1984GMCC7000C7D042U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"; Only Fits Allison AT643 Manual
1983ChevroletC50—U/K5.7LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1983ChevroletC50—U/K4.8LL6Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1983ChevroletC60—U/K8.2LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1983ChevroletC60—U/K6.1LL6Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1983ChevroletC60—U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1983ChevroletC60—U/K5.7LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1983ChevroletC60—U/K4.8LL6Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1983ChevroletC60—U/K10.4LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1983ChevroletC70—U/K8.2LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1983ChevroletC70—U/K7.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1983ChevroletC70—U/K6.1LL6Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1983ChevroletC70—U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1983ChevroletC70—U/K10.4LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1983GMCC6000—U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1983GMCC6000—U/K5.7LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1983GMCC6000—U/K4.8LL6Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1983GMCC7000C7D064U/K7.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"; MT653 DRG; Only Fits Allison AT643 Manual
1983GMCC7000C7D044U/K7.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"; MT653 DRG; Only Fits Allison AT643 Manual
1983GMCC7000C7D042U/K7.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"; MT653 DRG; Only Fits Allison AT643 Manual
1983GMCC7000C7D064U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"; Only Fits Allison AT643 Manual
1983GMCC7000C7D044U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"; Only Fits Allison AT643 Manual
1983GMCC7000C7D042U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"; Only Fits Allison AT643 Manual
1982ChevroletC50—U/K5.7LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1982ChevroletC50—U/K4.8LL6Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1982ChevroletC60—U/K8.2LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1982ChevroletC60—U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1982ChevroletC60—U/K5.7LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1982ChevroletC60—U/K4.8LL6Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1982ChevroletC60—U/K10.4LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1982ChevroletC70—U/K9.1LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1982ChevroletC70—U/K8.2LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1982ChevroletC70—U/K7.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1982ChevroletC70—U/K6.1LL6Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1982ChevroletC70—U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1982ChevroletC70—U/K10.4LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1982GMCC6000—U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1982GMCC6000—U/K5.7LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1982GMCC6000—U/K4.8LL6Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1982GMCC7000—U/K7.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"; MT653 DRG; Only Fits Allison AT643 Manual
1982GMCC7000—U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"; Only Fits Allison AT643 Manual
1981ChevroletC50—U/K5.7LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1981ChevroletC50—U/K4.8LL6Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1981ChevroletC60—U/K8.2LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1981ChevroletC60—U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1981ChevroletC60—U/K5.7LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1981ChevroletC60—U/K4.8LL6Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1981ChevroletC60—U/K10.4LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1981ChevroletC70—U/K9.1LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1981ChevroletC70—U/K8.2LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1981ChevroletC70—U/K7.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1981ChevroletC70—U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1981ChevroletC70—U/K10.4LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1981GMCC6000—U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1981GMCC6000—U/K5.7LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1981GMCC6000—U/K4.8LL6Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1981GMCC7000—U/K7.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"; MT653 DRG; Only Fits Allison AT643 Manual
1981GMCC7000—U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"; Only Fits Allison AT643 Manual
1980ChevroletC50—U/K5.7LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1980ChevroletC50—U/K4.8LL6Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1980ChevroletC60—U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1980ChevroletC60—U/K5.7LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1980ChevroletC60—U/K4.8LL6Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1980ChevroletC70—U/K9.1LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1980ChevroletC70—U/K8.2LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1980ChevroletC70—U/K7.4LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1980ChevroletC70—U/K7.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1980ChevroletC70—U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1980ChevroletC70—U/K10.4LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1980GMCC6000—U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1980GMCC6000—U/K5.7LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1980GMCC6000—U/K4.8LL6Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"
1980GMCC7000—U/K7.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"; MT653 DRG; Only Fits Allison AT643 Manual
1980GMCC7000—U/K6.0LV8Teeth: 197; Outer Diameter: 16.404"; Clutch Size: 13"; Only Fits Allison AT643 Manual
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Pioneer Automotive Industries — FRG-197BStrongArm — 4419197B41611539914096003103FRG197BGM197BRG25RG197BXG25