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Automatic Transmission Ring Gear (ATP) for 1955-2009 Buick, Cadillac, Chevrolet, GMC, Oldsmobile, & Pontiac 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:

Make Models
Buick Apollo, Century, LeSabre, Regal, Skylark
Cadillac Escalade
Chevrolet Astro, Bel Air, Biscayne, Blazer, Brookwood, C10, C10 Panel, C10 Pickup, C10 Suburban, C1500, C1500 Suburban, C20, C20 Panel, C20 Pickup, C20 Suburban, C2500, C2500 Suburban, C30, C30 Panel, C30 Pickup, C3500, Camaro, Caprice, Chevelle, Chevy II, Corvette, El Camino, Estate, Express 1500, Express 2500, Express 3500, G10, G10 Van, G20, G20 Van, G30, G30 Van, Impala, K10, K10 Pickup, K10 Suburban, K1500, K1500 Suburban, K20, K20 Panel, K20 Pickup, K20 Suburban, K2500, K2500 Suburban, K30, K30 Pickup, K3500, K5 Blazer, Kingswood, Malibu, Monte Carlo, Nova, P10, P10 Series, P10 Van, P20, P20 Series, P20 Van, P30, P30 Series, P30 Van, Parkwood, R10, R10 Suburban, R1500 Suburban, R20, R20 Suburban, R2500, R2500 Suburban, R30, R3500, S10, S10 Blazer, Sedan Delivery, Silverado, Silverado 1500, Silverado 1500 Classic, Silverado 1500 HD, Silverado 1500 HD Classic, Silverado 2500, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500 Classic, Silverado 3500 HD, Suburban, Suburban 2500, Tahoe, Townsman, Truck, V10, V10 Suburban, V1500 Suburban, V20, V20 Suburban, V2500 Suburban, V30, V3500
GMC 1000, 1000 Series, 1500 Series, C15, C15 Suburban, C15/C1500 Pickup, C15/C1500 Suburban, C1500, C1500 Suburban, C25, C25 Suburban, C25/C2500 Pickup, C25/C2500 Suburban, C2500, C2500 Suburban, C35, C35/C3500 Pickup, C3500, Caballero, G1000 Series, G15, G15/G1500 Van, G1500, G25, G25/G2500 Van, G2500, G35, G35/G3500 Van, G3500, I1000, Jimmy, K15, K15 Suburban, K15/K1500 Pickup, K15/K1500 Suburban, K1500, K1500 Suburban, K25, K25 Suburban, K25/K2500 Pickup, K25/K2500 Suburban, K2500, K2500 Suburban, K35, K35/K3500 Pickup, K3500, P15, P15/P1500 Van, P1500, P25, P25/P2500 Van, P2500, P35, P35/P3500 Van, P3500, PB15 Series, PB2500 Series, R1500, R1500 Suburban, R2500, R2500 Suburban, R3500, S15, S15 Jimmy, Safari, Savana 1500, Savana 2500, Savana 3500, Sierra 1500, Sierra 1500 HD, Sierra 1500 HD Classic, Sierra 2500, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500, Sierra 3500 Classic, Sierra 3500 HD, Sonoma, Sprint, Suburban, V1500, V1500 Suburban, V2500, V2500 Suburban, V3500, Yukon, Yukon XL 1500, Yukon XL 2500
Oldsmobile 98, Custom Cruiser, Cutlass, Cutlass Calais, Cutlass Cruiser, Cutlass Salon, Cutlass Supreme, Delta 88, Omega, Toronado
Pontiac Bonneville, Catalina, Firebird, Grand Am, Grand LeMans, Grand Prix, Laurentian, LeMans, Parisienne, Phoenix, Ventura

This is a universal part that fits 8,925 vehicle configurations across 6 makes.

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: 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009

⚠️ Related Trouble Codes (OBD-II)

17 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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