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Flywheel Ring Gear

Part Number : ZA-503

Original Equipment (OE) Part Interchange

FORD: C2OZ6384B
FORD: C7OP6384A

Features & Benefits

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.
  • Manufactured to meet or exceed original equipment specs
  • Eliminates grinding from damaged teeth
  • Increases starter drive life

Warranty

For more information about the warranty View Details

Specifications

Application

Part Number
ZA-503
Name
Flywheel Ring Gear
Product Type
Flywheel Ring Gear
Flywheel Pitch
14-Dec
Width (in inches)
0.365
Outer Diameter (in inches)
13.294
Inner Diameter (in inches)
12.025
Teeth (in inches)
157
Ring Gear Chamfer
NONE
Product Note
N/A
Balanced
N/A

Fitment Notes

Select a vehicle to view fitment notes
1977 Ford Bronco All
1977 Ford Bronco V8 5.0L 302cid
1963 Ford Country Sedan V8 4.3L 4261cc 260cid
1963 Ford Country Sedan V8 4.7L 4727cc 289cid
1964 Ford Country Sedan V8 4.3L 4261cc 260cid
1964 Ford Country Sedan V8 4.7L 4727cc 289cid
1965 Ford Country Sedan L6 3.3L 3277cc 200cid
1966 Ford Country Sedan L6 3.3L 3277cc 200cid
1967 Ford Country Sedan L6 3.3L 3277cc 200cid
1963 Ford Country Squire V8 4.3L 4261cc 260cid
1963 Ford Country Squire V8 4.7L 4727cc 289cid
1964 Ford Country Squire V8 4.3L 4261cc 260cid
1964 Ford Country Squire V8 4.7L 4727cc 289cid
1965 Ford Country Squire L6 3.3L 3277cc 200cid
1966 Ford Country Squire L6 3.3L 3277cc 200cid
1967 Ford Country Squire L6 3.3L 3277cc 200cid
1962 Ford Fairlane V8 3.6L 221cid
1962 Ford Fairlane V8 4.3L 4261cc 260cid
1963 Ford Fairlane L6 2.8L 2786cc 170cid
1963 Ford Fairlane V8 3.6L 221cid
1963 Ford Fairlane V8 4.3L 260cid
1963 Ford Fairlane V8 4.7L 289cid
1963 Ford Fairlane V8 4.7L 4727cc 289cid
1964 Ford Fairlane L6 2.8L 2786cc 170cid
1964 Ford Fairlane V8 4.3L 260cid
1964 Ford Fairlane V8 4.7L 289cid
1964 Ford Fairlane V8 4.7L 4727cc 289cid
1965 Ford Fairlane L6 2.8L 2786cc 170cid
1965 Ford Fairlane L6 3.3L 200cid
1965 Ford Fairlane L6 3.3L 3277cc 200cid
1966 Ford Fairlane L6 2.8L 2786cc 170cid
1966 Ford Fairlane L6 3.3L 200cid
1966 Ford Fairlane L6 3.3L 3277cc 200cid
1967 Ford Fairlane L6 3.3L 200cid
1967 Ford Fairlane L6 3.3L 3277cc 200cid
1969 Ford Fairlane L6 4.1L 250cid
1970 Ford Fairlane L6 4.1L 250cid
1963 Ford Falcon V8 4.3L 260cid
1963 Ford Falcon V8 4.3L 4261cc 260cid
1964 Ford Falcon V8 4.3L 260cid
1964 Ford Falcon V8 4.3L 4261cc 260cid
1965 Ford Falcon L6 3.3L 200cid
1965 Ford Falcon L6 3.3L 3277cc 200cid
1966 Ford Falcon L6 3.3L 200cid
1966 Ford Falcon L6 3.3L 3277cc 200cid
1967 Ford Falcon L6 3.3L 200cid
1967 Ford Falcon L6 3.3L 3277cc 200cid
1970 Ford Falcon L6 4.1L 250cid
1963 Ford Galaxie V8 4.3L 4261cc 260cid
1963 Ford Galaxie V8 4.7L 4727cc 289cid
1964 Ford Galaxie V8 4.3L 4261cc 260cid
1964 Ford Galaxie V8 4.7L 4727cc 289cid
1964 Ford Galaxie 500 V8 4.3L 260cid
1964 Ford Galaxie 500 V8 4.7L 289cid
1975 Ford Granada L6 4.1L 250cid
1975 Ford Granada V8 5.0L 302cid
1976 Ford Granada L6 4.1L 250cid
1976 Ford Granada V8 5.0L 302cid
1977 Ford Granada L6 4.1L 250cid
1977 Ford Granada V8 5.0L 302cid
1978 Ford Granada L6 4.1L 250cid
1978 Ford Granada V8 5.0L 302cid
1979 Ford Granada L6 4.1L 250cid
1979 Ford Granada V8 5.0L 302cid
1980 Ford Granada L6 4.1L 250cid
1983 Ford LTD V8 5.0L 302cid
1970 Ford Maverick L6 4.1L 250cid
1971 Ford Maverick L6 4.1L 250cid
1971 Ford Maverick V8 5.0L 302cid
1972 Ford Maverick L6 4.1L 250cid
1972 Ford Maverick V8 5.0L 302cid
1973 Ford Maverick L6 4.1L 250cid
1973 Ford Maverick V8 5.0L 302cid
1974 Ford Maverick L6 4.1L 250cid
1974 Ford Maverick V8 5.0L 302cid
1975 Ford Maverick L6 4.1L 250cid
1975 Ford Maverick V8 5.0L 302cid
1976 Ford Maverick L6 4.1L 250cid
1976 Ford Maverick V8 5.0L 302cid
1977 Ford Maverick L6 4.1L 250cid
1977 Ford Maverick V8 5.0L 302cid
1964 Ford Mustang V8 4.3L 4261cc 260cid
1965 Ford Mustang L6 3.3L 3277cc 200cid
1966 Ford Mustang L6 3.3L 3277cc 200cid
1967 Ford Mustang L6 3.3L 3277cc 200cid
1969 Ford Mustang L6 4.1L 250cid
1969 Ford Mustang L6 4.1L 4097cc 250cid
1969 Ford Mustang L6 4.1L 4098cc 250cid
1970 Ford Mustang L6 4.1L 250cid
1970 Ford Mustang L6 4.1L 4097cc 250cid
1970 Ford Mustang L6 4.1L 4098cc 250cid
1971 Ford Mustang L6 4.1L 250cid
1971 Ford Mustang L6 4.1L 4097cc 250cid
1971 Ford Mustang L6 4.1L 4098cc 250cid
1972 Ford Mustang L6 4.1L 250cid
1972 Ford Mustang L6 4.1L 4097cc 250cid
1972 Ford Mustang L6 4.1L 4098cc 250cid
1973 Ford Mustang L6 4.1L 250cid
1973 Ford Mustang L6 4.1L 4097cc 250cid
1973 Ford Mustang L6 4.1L 4098cc 250cid
1979 Ford Mustang V8 5.0L 302cid
1982 Ford Mustang V8 5.0L 302cid
1983 Ford Mustang V8 5.0L 302cid
1984 Ford Mustang V8 5.0L 302cid
1985 Ford Mustang V8 5.0L 302cid
1986 Ford Mustang V8 5.0L 302cid
1987 Ford Mustang V8 5.0L 302cid
1988 Ford Mustang V8 5.0L 302cid
1989 Ford Mustang V8 5.0L 302cid
1990 Ford Mustang V8 5.0L 302cid
1991 Ford Mustang V8 5.0L 302cid
1992 Ford Mustang V8 5.0L 302cid
1993 Ford Mustang V8 5.0L 302cid
1994 Ford Mustang All
1994 Ford Mustang V8 5.0L 302cid
1995 Ford Mustang All
1995 Ford Mustang V8 5.0L 302cid
1963 Ford Ranch Wagon L6 3.3L 3277cc 200cid
1963 Ford Ranch Wagon V8 4.3L 4261cc 260cid
1963 Ford Ranch Wagon V8 4.7L 4727cc 289cid
1964 Ford Ranch Wagon L6 2.8L 2786cc 170cid
1964 Ford Ranch Wagon V8 4.3L 4261cc 260cid
1964 Ford Ranch Wagon V8 4.7L 4727cc 289cid
1966 Ford Ranch Wagon L6 3.3L 3277cc 200cid
1967 Ford Ranch Wagon L6 3.3L 3277cc 200cid
1963 Ford Sunliner V8 4.7L 4727cc 289cid
1964 Ford Sunliner V8 4.3L 4261cc 260cid
1969 Ford Torino L6 4.1L 250cid
1970 Ford Torino L6 4.1L 250cid
1971 Ford Torino L6 4.1L 250cid
1972 Ford Torino L6 4.1L 250cid
1973 Ford Torino L6 4.1L 250cid
1974 Ford Torino L6 4.1L 250cid
1963 Ford Victoria V8 4.3L 4261cc 260cid
1963 Ford Victoria V8 4.7L 4727cc 289cid
1964 Ford Victoria V8 4.3L 4261cc 260cid
1964 Mercury Caliente V8 4.3L 4261cc 260cid
1965 Mercury Caliente V8 4.7L 4727cc 289cid
1966 Mercury Caliente V8 4.7L 4727cc 289cid
1967 Mercury Caliente V8 4.7L 4727cc 289cid
1979 Mercury Capri V8 5.0L 302cid
1963 Mercury Comet V8 4.3L 4261cc 260cid
1964 Mercury Comet V8 4.3L 4261cc 260cid
1965 Mercury Comet V8 4.7L 4727cc 289cid
1966 Mercury Comet L6 3.3L 3277cc 200cid
1966 Mercury Comet V8 4.7L 4727cc 289cid
1967 Mercury Comet L6 3.3L 3277cc 200cid
1967 Mercury Comet V8 4.7L 4727cc 289cid
1969 Mercury Comet L6 4.1L 250cid
1969 Mercury Comet L6 4.1L 4097cc 250cid
1969 Mercury Comet L6 4.1L 4098cc 250cid
1971 Mercury Comet L6 4.1L 250cid
1971 Mercury Comet L6 4.1L 4097cc 250cid
1971 Mercury Comet L6 4.1L 4098cc 250cid
1972 Mercury Comet L6 4.1L 250cid
1972 Mercury Comet L6 4.1L 4097cc 250cid
1972 Mercury Comet L6 4.1L 4098cc 250cid
1973 Mercury Comet L6 4.1L 250cid
1973 Mercury Comet L6 4.1L 4097cc 250cid
1973 Mercury Comet L6 4.1L 4098cc 250cid
1973 Mercury Comet V8 5.0L 302cid
1973 Mercury Comet V8 5.0L 4949cc 302cid
1974 Mercury Comet L6 4.1L 250cid
1974 Mercury Comet L6 4.1L 4097cc 250cid
1974 Mercury Comet L6 4.1L 4098cc 250cid
1974 Mercury Comet V8 5.0L 302cid
1974 Mercury Comet V8 5.0L 4949cc 302cid
1975 Mercury Comet L6 4.1L 250cid
1975 Mercury Comet V8 5.0L 302cid
1976 Mercury Comet L6 4.1L 250cid
1976 Mercury Comet V8 5.0L 302cid
1977 Mercury Comet L6 4.1L 250cid
1977 Mercury Comet V8 5.0L 302cid
1967 Mercury Cougar V8 4.7L 4727cc 289cid
1968 Mercury Cougar V8 4.7L 289cid
1968 Mercury Cougar V8 4.7L 4727cc 289cid
1963 Mercury Country Cruiser V8 3.6L 3622cc 221cid
1964 Mercury Cyclone V8 4.3L 4261cc 260cid
1965 Mercury Cyclone V8 4.7L 4727cc 289cid
1966 Mercury Cyclone V8 4.7L 4727cc 289cid
1967 Mercury Cyclone V8 4.7L 4727cc 289cid
1962 Mercury Meteor V8 3.6L 3622cc 221cid
1963 Mercury Meteor V8 3.6L 3622cc 221cid
1975 Mercury Monarch L6 4.1L 250cid
1975 Mercury Monarch V8 5.0L 302cid
1976 Mercury Monarch L6 4.1L 250cid
1976 Mercury Monarch V8 5.0L 302cid
1977 Mercury Monarch L6 4.1L 250cid
1977 Mercury Monarch V8 5.0L 302cid
1978 Mercury Monarch L6 4.1L 250cid
1978 Mercury Monarch V8 5.0L 302cid
1979 Mercury Monarch L6 4.1L 250cid
1979 Mercury Monarch V8 5.0L 302cid
1980 Mercury Monarch L6 4.1L 250cid
1969 Mercury Montego L6 4.1L 250cid
1970 Mercury Montego L6 4.1L 250cid
1971 Mercury Montego L6 4.1L 250cid
1972 Mercury Montego L6 4.1L 250cid
1973 Mercury Montego L6 4.1L 250cid
1974 Mercury Montego L6 4.1L 250cid
1963 Mercury Villager V8 4.3L 4261cc 260cid
1964 Mercury Villager V8 4.3L 4261cc 260cid
1965 Mercury Villager V8 4.7L 4727cc 289cid
1966 Mercury Villager L6 3.3L 3277cc 200cid
1966 Mercury Villager V8 4.7L 4727cc 289cid
1967 Mercury Villager L6 3.3L 3277cc 200cid
1967 Mercury Villager V8 4.7L 4727cc 289cid
1966 Mercury Voyager L6 3.3L 3277cc 200cid
1966 Mercury Voyager V8 4.7L 4727cc 289cid
1967 Mercury Voyager L6 3.3L 3277cc 200cid
1967 Mercury Voyager V8 4.7L 4727cc 289cid
1978 Mercury Zephyr V8 5.0L 302cid
1979 Mercury Zephyr V8 5.0L 302cid
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