
Feature:
Reference Part Number
18493 4N1603 44-1603 244-1603 114999 91-25-1201N 91-25-1201
18493N 2441603 18493NC 441603 91251201N 91251201 18493N-C
Compatibility:
For chevrolet Small Block or Big Block V8 Engines w/ 153-Tooth or 168-Tooth Flywheel
For gm Race Car Engine
For chevy V8 & V6 A/T & M/T w/153 OR 168 Tooth Ring Gear
Hitachi OSGR Conversion
For buick, For chevrolet, Oldsmobile, and Pontiac Engines: Also Used on Various Marine Applications
Fitment For chart:
Make Model Engine Years
For buick Century 4.3L/265CI V8 1981
For buick Century 4.4L/267CI V8 1981
For buick Century 5.0L/305CI V8 1978 - 1981
For buick CenturyBase 4.3L/265CI V8 1980
For buick CenturyBase 5.0L/305CI V8 1977 - 1980
For buick CenturyCustom 5.0L/305CI V8 1977 - 1979
For buick CenturyEstate 4.3L/265CI V8 1980
For buick CenturyEstate 5.0L/305CI V8 1980
For buick CenturyLimited 4.3L/265CI V8 1980
For buick CenturyLimited 5.0L/305CI V8 1979 - 1980
For buick CenturySpecial 5.0L/305CI V8 1979
For buick Commercial Chassis 1991 - 1993
For buick LeSabreBase 5.0L/305CI V8 1978
For buick LeSabreCustom 4.4L/267CI V8 1982
For buick LeSabreCustom 5.0L/305CI V8 1978
For buick LeSabreLimited 4.4L/267CI V8 1982
For buick Regal 5.0L/305CI V8 1977
For buick RegalBase 4.3L/265CI V8 1980 - 1981
For buick RegalBase 4.4L/267CI V8 1981 - 1982
For buick RegalBase 5.0L/305CI V8 1978 - 1987
For buick RegalEstate Wagon 5.0L/305CI V8 1982 - 1983
For buick RegalLimited 4.3L/265CI V8 1980 - 1981
For buick RegalLimited 4.4L/267CI V8 1981 - 1982
For buick RegalLimited 5.0L/305CI V8 1978 - 1987
For buick Roadmaster 1991 - 1993
For buick Skylark 5.0L/305CI V8 1977 - 1979
For chevrolet 3A 4.6L/283CI V8 1959
For chevrolet 3B 4.6L/283CI V8 1959
For chevrolet 3C 4.6L/283CI V8 1959
For chevrolet 3D 4.6L/283CI V8 1959
For chevrolet 3E 4.6L/283CI V8 1959
For chevrolet 3F 4.6L/283CI V8 1959
For chevrolet 3G 4.6L/283CI V8 1959
For chevrolet Bel Air 1975 - 1981
For chevrolet Bel Air 4.3L/265CI V8 1955 - 1957
For chevrolet Bel Air 4.6L/283CI V8 1957 - 1967
For chevrolet Bel Air 5.0L/307CI V8 1968
For chevrolet Bel Air 5.3L/322CI V8 1959
For chevrolet Bel Air 5.3L/327CI V8 1962 - 1969
For chevrolet Bel Air 5.4L/327CI V8 1968 - 1969
For chevrolet Bel Air 5.7L/350CI V8 1969 - 1974
For chevrolet Bel Air 6.5L/396CI V8 1965 - 1969
For chevrolet Bel Air 6.6L/400CI V8 1970 - 1974
For chevrolet Bel Air 6.6L/402CI V8 1970 - 1972
For chevrolet Bel Air 7.0L/427CI V8 1963 - 1969
For chevrolet Bel Air 7.4L/454CI V8 1970 - 1974
For chevrolet Biscayne 4.6L/283CI V8 1958 - 1967
For chevrolet Biscayne 5.0L/307CI V8 1968
For chevrolet Biscayne 5.3L/327CI V8 1962 - 1969
For chevrolet Biscayne 5.4L/327CI V8 1968 - 1969
For chevrolet Biscayne 5.7L/350CI V8 1969 - 1972
For chevrolet Biscayne 6.5L/396CI V8 1965 - 1969
For chevrolet Biscayne 6.6L/400CI V8 1970 - 1972
For chevrolet Biscayne 6.6L/402CI V8 1970 - 1972
For chevrolet Biscayne 7.0L/427CI V8 1963 - 1969
For chevrolet Biscayne 7.4L/454CI V8 1970 - 1972
For chevrolet Blazer 5.0L/307CI V8 1969 - 1973
For chevrolet Blazer 5.7L/350CI V8 1969 - 1974
For chevrolet Blazer 7.4L/454CI V8 1973 - 1974
For chevrolet Brookwood 4.6L/283CI V8 1958 - 1961
For chevrolet Brookwood 5.0L/307CI V8 1969 - 1972
For chevrolet Brookwood 5.3L/327CI V8 1969
For chevrolet Brookwood 5.7L/350CI V8 1969 - 1972
For chevrolet Brookwood 6.5L/396CI V8 1969
For chevrolet Brookwood 6.6L/400CI V8 1970 - 1972
For chevrolet Brookwood 6.6L/402CI V8 1970 - 1972
For chevrolet Brookwood 7.0L/427CI V8 1969
For chevrolet Brookwood 7.4L/454CI V8 1970 - 1972
For chevrolet C10 5.0L/305CI V8 1977 - 1986
For chevrolet C10 5.7L/350CI V8 1975 - 1986
For chevrolet C10 6.6L/400CI V8 1976 - 1980
For chevrolet C10 7.4L/454CI V8 1975 - 1981
For chevrolet C10 Pickup 4.6L/283CI V8 1960 - 1967
For chevrolet C10 Pickup 5.0L/307CI V8 1968 - 1973
For chevrolet C10 Pickup 5.3L/327CI V8 1966 - 1969
For chevrolet C10 Pickup 5.4L/327CI V8 1968
For chevrolet C10 Pickup 5.7L/350CI V8 1969 - 1974
For chevrolet C10 Pickup 6.5L/396CI V8 1968 - 1969
For chevrolet C10 Pickup 6.6L/402CI V8 1970 - 1972
For chevrolet C10 Pickup 7.4L/454CI V8 1973 - 1974
For chevrolet C10 Suburban 4.6L/283CI V8 1967
For chevrolet C10 Suburban 5.0L/305CI V8 1977 - 1986
For chevrolet C10 Suburban 5.0L/307CI V8 1968 - 1973
For chevrolet C10 Suburban 5.3L/327CI V8 1967 - 1969
For chevrolet C10 Suburban 5.4L/327CI V8 1968
For chevrolet C10 Suburban 5.7L/350CI V8 1969 - 1986
For chevrolet C10 Suburban 6.5L/396CI V8 1968 - 1969
For chevrolet C10 Suburban 6.6L/402CI V8 1970 - 1972
For chevrolet C10 Suburban 7.4L/454CI V8 1973 - 1980
For chevrolet C20 5.0L/305CI V8 1977 - 1986
For chevrolet C20 5.7L/350CI V8 1975 - 1986
For chevrolet C20 6.6L/400CI V8 1976 - 1980
For chevrolet C20 7.4L/454CI V8 1975 - 1985
For chevrolet C20 Pickup 4.6L/283CI V8 1960 - 1967
For chevrolet C20 Pickup 5.0L/307CI V8 1968 - 1973
For chevrolet C20 Pickup 5.3L/327CI V8 1966 - 1969
For chevrolet C20 Pickup 5.4L/327CI V8 1968
For chevrolet C20 Pickup 5.7L/350CI V8 1969 - 1974
For chevrolet C20 Pickup 6.5L/396CI V8 1968 - 1969
For chevrolet C20 Pickup 6.6L/402CI V8 1970 - 1972
For chevrolet C20 Pickup 7.4L/454CI V8 1973 - 1974
For chevrolet C20 Suburban 4.6L/283CI V8 1967
For chevrolet C20 Suburban 5.0L/305CI V8 1977 - 1986
For chevrolet C20 Suburban 5.0L/307CI V8 1968 - 1973
For chevrolet C20 Suburban 5.3L/327CI V8 1967 - 1969
For chevrolet C20 Suburban 5.4L/327CI V8 1968
| Brand | Cortile |
|---|---|
| Manufacturer Part Number | 18493 |
| Interchange Part Number | 18493 4N1603 44-1603 244-1603 114999 91-25-1201N |
| Other Part Number | 91-25-1201 18493N 2441603 18493NC 441603 91251201N 91251201 |
| Manufacturer Warranty | 1 Year |
| Custom Bundle | No |
| Engine Make | For Chevrolet,Chevy |
| Part Type | Starters |
| Starter Rotation | Standard |
| Gear Reduction Ratio | 3.73:1 |
| Flywheel/Flexplate | 168-tooth /153-tooth |
| Weight | 5.55kg |
| Interchange Part Numberer | 18493:18493 |
| UPC | Does not apply |
| Rotation | :CW |
| Starter Type | :OSGR |
| Voltage | :12 |
| Number of Teeth | :9 |
| Gear OD | :0.988in / 25.1mm |
| Mtg Ear 1 Hole | :10.0mm Unthreaded |
| Mtg Ear 2 Hole | :10.0mm Unthreaded |
| Mtg Ear 3 Hole | :10.0mm Unthreaded |

