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1966 - 1981 Chevrolet Caprice Automatic Transmission Ring Gear (ATP) NEW

$ 39 .98

Product Notes

Width: 0.44" Teeth: 168 Outer Diameter: 14.096" Inner Diameter: 13.268"

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.
Brand: ATP
Condition: New
LIFE
TIME
Lifetime Warranty Included
This part is backed by our industry-leading lifetime warranty. Shop with total confidence.
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Specifications & Info


Attribute Value
Inside Diameter 13.268
LineCode Atp, Atp4
Pitch Flywheels 12/14
Ring Gear Chamfer None
Tooth Quantity 168

Vehicle Fitment Guide

This part fits the following vehicles:

Chevrolet 1 model (tapclick to expand)(tapclick to hide)
Caprice 1966-1981 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL
Body Style Years Engine Attributes
Base Coupe 1980 - 1981 V8 5.7L RWD Automatic
Base Hardtop 1970 - 1972 V8 6.6L RWD Automatic & Manual & U/K
Base Hardtop 1970 - 1972 V8 6.6L RWD Automatic & Manual & U/K
Base Hardtop 1970 - 1972 V8 7.4L RWD Automatic & Manual & U/K
Base Hardtop 1970 - 1972 V8 7.4L RWD Automatic & Manual & U/K
Base Hardtop 1969 - 1972 V8 5.7L RWD Automatic & Manual & U/K
Base Hardtop 1969 - 1972 V8 5.7L RWD Automatic & Manual & U/K
Base Hardtop 1968 - 1969, 1971 - 1972 V8 5.0L RWD Automatic & Manual & U/K
Base Hardtop 1968 - 1969, 1971 - 1972 V8 5.0L RWD Automatic & Manual & U/K
Base Hardtop 1968 - 1969 V8 5.4L RWD U/K
Base Hardtop 1968 - 1969 V8 5.4L RWD U/K
Base Hardtop 1967 - 1969, 1971 - 1972 L6 4.1L RWD Automatic & Manual & U/K
Base Hardtop 1967 - 1969, 1971 - 1972 L6 4.1L RWD Automatic & Manual & U/K
Base Hardtop 1966 - 1967 V8 4.6L RWD Automatic & Manual & U/K
Base Hardtop 1966 - 1967 V8 4.6L RWD Automatic & Manual & U/K
Base Hardtop 1966 - 1969 V8 5.3L RWD Automatic & Manual & U/K
Base Hardtop 1966 - 1969 V8 5.3L RWD Automatic & Manual & U/K
Base Hardtop 1966 - 1969 V8 6.5L RWD Automatic & Manual & U/K
Base Hardtop 1966 - 1969 V8 6.5L RWD Automatic & Manual & U/K
Base Hardtop 1966 - 1969 V8 7.0L RWD Automatic & Manual & U/K
Base Hardtop 1966 - 1969 V8 7.0L RWD Automatic & Manual & U/K
Base Sedan 1980 - 1981 V8 5.7L RWD Automatic
Base Wagon 1970 - 1972 V8 6.6L RWD Automatic & Manual & U/K
Base Wagon 1970 - 1972 V8 7.4L RWD Automatic & Manual & U/K
Base Wagon 1969 - 1972 V8 5.7L RWD Automatic & Manual & U/K
Base Wagon 1968 - 1969, 1971 - 1972 V8 5.0L RWD Automatic & Manual & U/K
Base Wagon 1968 - 1969 V8 5.4L RWD U/K
Base Wagon 1967 - 1969, 1971 - 1972 L6 4.1L RWD Automatic & Manual & U/K
Base Wagon 1966 - 1967 V8 4.6L RWD Automatic & Manual & U/K
Base Wagon 1966 - 1969 V8 5.3L RWD Automatic & Manual & U/K
Base Wagon 1966 - 1969 V8 6.5L RWD Automatic & Manual & U/K
Base Wagon 1966 - 1969 V8 7.0L RWD Automatic & Manual & U/K
Classic Convertible 1975 V8 5.7L RWD Automatic
Classic Convertible 1975 V8 6.6L RWD Automatic
Classic Convertible 1975 V8 7.4L RWD Automatic
Classic Convertible 1973 - 1974 L6 4.1L RWD U/K
Classic Convertible 1973 V8 5.0L RWD U/K
Classic Convertible 1973 - 1974 V8 5.7L RWD U/K
Classic Convertible 1973 - 1974 V8 6.6L RWD U/K
Classic Convertible 1973 - 1974 V8 7.4L RWD U/K
Classic Coupe 1981 V6 3.8L RWD Automatic
Classic Coupe 1981 V8 4.4L RWD Automatic
Classic Coupe 1981 V8 5.7L DIESEL RWD Automatic
Classic Coupe 1977 - 1979 L6 4.1L RWD Automatic
Classic Coupe 1977 - 1979, 1981 V8 5.0L RWD Automatic
Classic Coupe 1976 - 1979 V8 5.7L RWD Automatic
Classic Coupe 1976 V8 6.6L RWD Automatic
Classic Coupe 1976 V8 7.4L RWD Automatic
Classic Coupe 1974 L6 4.1L RWD U/K
Classic Coupe 1974 V8 5.7L RWD U/K
Classic Coupe 1974 V8 6.6L RWD U/K
Classic Coupe 1974 V8 7.4L RWD U/K
Classic Hardtop 1973 L6 4.1L RWD U/K
Classic Hardtop 1973 V8 5.0L RWD U/K
Classic Hardtop 1973 V8 5.7L RWD U/K
Classic Hardtop 1973 V8 6.6L RWD U/K
Classic Hardtop 1973 V8 7.4L RWD U/K
Classic Sedan 1980 - 1981 V6 3.8L RWD Automatic
Classic Sedan 1980 - 1981 V8 4.4L RWD Automatic
Classic Sedan 1980 - 1981 V8 5.7L DIESEL RWD Automatic
Classic Sedan 1977 - 1979 L6 4.1L RWD Automatic
Classic Sedan 1977 - 1981 V8 5.0L RWD Automatic
Classic Sedan 1975 - 1980 V8 5.7L RWD Automatic
Classic Sedan 1975 - 1976 V8 6.6L RWD Automatic
Classic Sedan 1975 - 1976 V8 7.4L RWD Automatic
Classic Sedan 1973 - 1974 L6 4.1L RWD U/K
Classic Sedan 1973 V8 5.0L RWD U/K
Classic Sedan 1973 - 1974 V8 5.7L RWD U/K
Classic Sedan 1973 - 1974 V8 6.6L RWD U/K
Classic Sedan 1973 - 1974 V8 7.4L RWD U/K
Classic Wagon 1980 - 1981 V6 3.8L RWD Automatic
Classic Wagon 1980 - 1981 V8 4.4L RWD Automatic
Classic Wagon 1980 - 1981 V8 5.7L DIESEL RWD Automatic
Classic Wagon 1978 - 1979 L6 4.1L RWD Automatic
Classic Wagon 1978 - 1981 V8 5.0L RWD Automatic
Classic Wagon 1978 - 1980 V8 5.7L RWD Automatic
Classic Wagon 1974 L6 4.1L RWD U/K
Classic Wagon 1974 V8 5.7L RWD U/K
Classic Wagon 1974 V8 6.6L RWD U/K
Classic Wagon 1974 V8 7.4L RWD U/K
Classic Estate Wagon 1981 V6 3.8L RWD Automatic
Classic Estate Wagon 1981 V8 4.4L RWD Automatic
Classic Estate Wagon 1981 V8 5.7L DIESEL RWD Automatic
Classic Estate Wagon 1977 - 1978, 1981 V8 5.0L RWD Automatic
Classic Estate Wagon 1977 - 1978 V8 5.7L RWD Automatic
Classic Estate Wagon 1976 V8 6.6L RWD Automatic
Classic Estate Wagon 1976 V8 7.4L RWD Automatic
Classic Landau Coupe 1980 - 1981 V6 3.8L RWD Automatic
Classic Landau Coupe 1980 - 1981 V8 4.4L RWD Automatic
Classic Landau Coupe 1980 - 1981 V8 5.7L DIESEL RWD Automatic
Classic Landau Coupe 1977 - 1979 L6 4.1L RWD Automatic
Classic Landau Coupe 1977 - 1981 V8 5.0L RWD Automatic
Classic Landau Coupe 1976 - 1980 V8 5.7L RWD Automatic
Classic Landau Coupe 1976 V8 6.6L RWD Automatic
Classic Landau Coupe 1976 V8 7.4L RWD Automatic
Classic Sport Coupe 1980 V6 3.8L RWD Automatic
Classic Sport Coupe 1980 V8 4.4L RWD Automatic
Classic Sport Coupe 1980 V8 5.7L DIESEL RWD Automatic
Classic Sport Coupe 1979 L6 4.1L RWD Automatic
Classic Sport Coupe 1979 - 1980 V8 5.0L RWD Automatic
Classic Sport Coupe 1975, 1979 - 1980 V8 5.7L RWD Automatic
Classic Sport Coupe 1975 V8 6.6L RWD Automatic
Classic Sport Coupe 1975 V8 7.4L RWD Automatic
Classic Sport Sedan 1975 - 1976 V8 5.7L RWD Automatic
Classic Sport Sedan 1975 - 1976 V8 6.6L RWD Automatic
Classic Sport Sedan 1975 - 1976 V8 7.4L RWD Automatic
Estate Wagon 1973 - 1974 L6 4.1L RWD U/K
Estate Wagon 1973 V8 5.0L RWD U/K
Estate Wagon 1973 - 1974 V8 5.7L RWD U/K
Estate Wagon 1973 - 1974 V8 6.6L RWD U/K
Estate Wagon 1973 - 1974 V8 7.4L RWD U/K
Estate Wagon Wagon 1975 V8 6.6L RWD Automatic
Estate Wagon Wagon 1975 V8 7.4L RWD Automatic
Landau Coupe 1979 V8 5.7L RWD Automatic
Verify before ordering — please confirm your vehicle's year, make, model and sub-model specifications before placing your order. If anything is unclear, our customer service team is available to help.

Policies

Shipping Information

We offer fast, reliable shipping on all orders:

  • Ships to all countries via US Postal Service Priority Mail.
  • Most orders ship within 1 business day.
  • Delivery time: 1-4 business days after shipment.
  • International shipping available, including APO/FPO addresses.
  • Tracking information provided for all shipments.
  • Additional handling fees may apply for oversized/overweight packages.

Return Policy

We want you to be 100% satisfied with your purchase. That's why we offer:

  • 120-Day Returns - Return any part within 120 days from date of receipt.
  • Must obtain RMA (Return Merchandise Authorization) number before returning.
  • Parts must be in original condition, uninstalled, unaltered, and in original packaging.
  • Important: Electrical parts are not returnable if unsealed.
  • Please inspect parts upon arrival and notify us within 5 days of receiving incorrect or damaged parts.
  • Refunds processed after warehouse receives return and credited to original payment method.

Warranty

This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.

Warranty does NOT cover:

  • Shipping costs or labor expenses.
  • Installation errors.
  • Parts used for racing.
  • Commercial vehicle parts.
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.

Interchange Parts

Brand Part Number
Anchor 168C
ATP ZA-500
Autocraft RG168S
Big A XG10
Big A XG11
Chromite GM168S
Dorman - OE Solutions 4414
General Motors 3889694
General Motors 3899668
General Motors 3991408
General Motors 460583
Pioneer FRG-168S
Pioneer FRG168C
Pioneer FRG168S
PTC RG10
PTC RG11
Sealed Power 416114
Venture Products 168S

Fits Years: 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981

Fits Models: Caprice

⚠️ Related Trouble Codes (OBD-II)

14 matching guides

If your scan tool is showing one of these trouble codes, this part is a common fix. Each guide explains the code, how to diagnose it, and exactly what to replace.

↑ A single part can trigger multiple related trouble codes. Each guide is vehicle- and code-specific.
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