King Engine Bearings MB5518AM010 AMC/Jeep 390/401 Crankshaft Main Bearing Set, 0.010-Inch Undersize

King Engine Bearings AMC/Jeep 390/401 Crankshaft Main Bearing Set - Undersize 0.10IN

Restore dependable crankshaft support in your AMC or Jeep engine with the King Engine Bearings MB5518AM010 crankshaft main bearing set. Designed for AMC/Jeep 390 and 401 engines, this main bearing set is manufactured for crankshafts machined 0.010 inch undersize. It is a suitable replacement component for engine rebuilds, performance refreshes, and precision bottom-end service.

King Engine Bearings develops bearing components with attention to dimensional consistency, load support, and reliable oil control. The MB5518AM010 set is intended to help maintain proper crankshaft clearance when used with a matching undersize crankshaft and correctly prepared bearing surfaces. Always verify crankshaft journal measurements, housing bore condition, and manufacturer-recommended clearances before installation.

What's Included: One crankshaft main bearing set for the applicable AMC/Jeep 390 or 401 engine application. The bearings are supplied in a 0.010-inch undersize configuration. This product is intended for automotive engine service and should be installed by a qualified technician using appropriate assembly procedures.

Fitment: Applications include select 1971-1975 Jeep CJ5 and 1980-1981 Jeep CJ7 models equipped with compatible AMC 390 or 401 engines. Vehicle fitment may vary by engine configuration, production date, and previous machine work, so confirm engine specifications and bearing requirements before ordering.

Features:

• Engine Compatibility: Designed for AMC/Jeep 390 and 401 engines.
• Undersize Configuration: Manufactured for crankshafts machined 0.010 inch undersize.
• Crankshaft Support: Helps maintain proper main journal support and oil clearance when correctly matched to the engine.
• Rebuild Application: Suitable for engine rebuilding, bottom-end service, and performance-oriented maintenance.

Fitments:
1966 American Motors American Base
1966 American Motors American Rogue
1966 American Motors Classic 770
1966 American Motors Classic Base
1966 American Motors Rogue Base
1967 American Motors Ambassador Base
1967 American Motors American 440
1967 American Motors American Base
1967 American Motors American Rogue
1967 American Motors Marlin Base
1967 American Motors Rebel 770
1967 American Motors Rebel Base
1967 American Motors Rebel SST
1968 American Motors Ambassador Base
1968 American Motors Ambassador DPL
1968 American Motors Ambassador SST
1968 American Motors American 440
1968 American Motors American Base
1968 American Motors American Rogue
1968 American Motors AMX Base
1968 American Motors Javelin Base
1968 American Motors Javelin SST
1968 American Motors Rebel 550
1968 American Motors Rebel 770
1968 American Motors Rebel SST
1969 American Motors Ambassador Base
1969 American Motors Ambassador DPL
1969 American Motors Ambassador SST
1969 American Motors AMX Base
1969 American Motors Javelin Base
1969 American Motors Javelin SST
1969 American Motors Rambler 440
1969 American Motors Rambler Base
1969 American Motors Rambler Hurst SC/Rambler
1969 American Motors Rambler Rogue
1970 American Motors Ambassador Base
1970 American Motors Ambassador DPL
1970 American Motors Ambassador SST
1970 American Motors AMX Base
1970 American Motors Hornet Base
1970 American Motors Hornet SST
1970 American Motors Javelin Base
1970 American Motors Javelin SST
1970 American Motors Javelin SST Mark Donohue
1970 American Motors Javelin SST Trans Am
1970 American Motors Rebel Base
1970 American Motors Rebel SST
1970 American Motors Rebel The Machine
1970 Jeep J-2500 Base
1970 Jeep J-2600 Base
1970 Jeep J-3800 Base
1971 American Motors Ambassador Brougham
1971 American Motors Ambassador DPL
1971 American Motors Ambassador SST
1971 American Motors Hornet Base
1971 American Motors Hornet SC/360
1971 American Motors Hornet Sportabout
1971 American Motors Hornet SST
1971 American Motors Javelin AMX
1971 American Motors Javelin Base
1971 American Motors Javelin SST
1971 American Motors Matador Base
1971 Jeep CJ5 Base
1971 Jeep CJ6 Base
1971 Jeep J-100 Base
1971 Jeep J-2500 Base
1971 Jeep J-2600 Base
1971 Jeep J-3800 Base
1971 Jeep J-4500 Base
1971 Jeep J-4600 Base
1971 Jeep J-4700 Base
1971 Jeep J-4800 Base
1972 American Motors Ambassador Brougham
1972 American Motors Ambassador SST
1972 American Motors Gremlin Base
1972 American Motors Hornet Sportabout
1972 American Motors Hornet SST
1972 American Motors Javelin AMX
1972 American Motors Javelin Base
1972 American Motors Javelin SST
1972 American Motors Matador Base
1972 Jeep CJ5 Base
1972 Jeep CJ6 Base
1972 Jeep Commando Base
1972 Jeep J-100 Base
1972 Jeep J-2500 Base
1972 Jeep J-2600 Base
1972 Jeep J-4500 Base
1972 Jeep J-4600 Base
1972 Jeep J-4700 Base
1972 Jeep J-4800 Base
1972 Jeep Wagoneer Base
1973 American Motors Ambassador Brougham
1973 American Motors Gremlin Base
1973 American Motors Hornet Base
1973 American Motors Hornet Sportabout
1973 American Motors Javelin AMX
1973 American Motors Javelin Base
1973 American Motors Matador Base
1973 Jeep CJ5 Base
1973 Jeep CJ6 Base
1973 Jeep Commando Base
1973 Jeep J-100 Base
1973 Jeep J-2500 Base
1973 Jeep J-2600 Base
1973 Jeep J-4500 Base
1973 Jeep J-4600 Base
1973 Jeep J-4700 Base
1973 Jeep J-4800 Base
1973 Jeep Wagoneer Base
1973 Jeep Wagoneer Custom
1974 American Motors Ambassador Brougham
1974 American Motors Gremlin Base
1974 American Motors Hornet Base
1974 American Motors Hornet Sportabout
1974 American Motors Javelin AMX
1974 American Motors Javelin Base
1974 American Motors Matador Base
1974 American Motors Matador Brougham
1974 American Motors Matador X
1974 Bricklin SV-1 Base
1974 International 100 Base
1974 International 100 Travelall
1974 International 200 Base
1974 International 200 Travelall
1974 Jeep Cherokee Base
1974 Jeep Cherokee S
1974 Jeep CJ5 Base
1974 Jeep CJ6 Base
1974 Jeep J10 Base
1974 Jeep J20 Base
1974 Jeep Wagoneer Base
1974 Jeep Wagoneer Custom
1975 American Motors Gremlin Base
1975 American Motors Hornet Base
1975 American Motors Hornet Sportabout
1975 American Motors Matador Base
1975 Jeep Cherokee Base
1975 Jeep Cherokee S
1975 Jeep Cherokee Wide Track Chief
1975 Jeep CJ5 Base
1975 Jeep CJ5 Renegade
1975 Jeep CJ6 Base
1975 Jeep J10 Base
1975 Jeep J20 Base
1975 Jeep Wagoneer Base
1975 Jeep Wagoneer Custom
1976 American Motors Gremlin Custom
1976 American Motors Hornet Base
1976 American Motors Hornet Sportabout
1976 American Motors Matador Base
1976 Jeep Cherokee Base
1976 Jeep Cherokee S
1976 Jeep Cherokee Wide Track Chief
1976 Jeep CJ5 Base
1976 Jeep CJ5 Renegade
1976 Jeep CJ7 Base
1976 Jeep CJ7 Renegade
1976 Jeep J10 Base
1976 Jeep J20 Base
1976 Jeep Wagoneer Base
1976 Jeep Wagoneer Custom
1977 American Motors Hornet AMX
1977 American Motors Hornet Base
1977 American Motors Hornet Sportabout
1977 American Motors Matador Base
1977 Jeep Cherokee Base
1977 Jeep Cherokee S
1977 Jeep Cherokee Wide Track Chief
1977 Jeep CJ5 Base
1977 Jeep CJ5 Golden Eagle
1977 Jeep CJ5 Renegade
1977 Jeep CJ7 Base
1977 Jeep CJ7 Golden Eagle
1977 Jeep CJ7 Renegade
1977 Jeep J10 Base
1977 Jeep J20 Base
1977 Jeep Wagoneer Base
1978 American Motors AMX Base
1978 American Motors Concord Base
1978 American Motors Matador Base
1978 American Motors Pacer Base
1978 Jeep Cherokee Base
1978 Jeep Cherokee S
1978 Jeep Cherokee Wide Track
1978 Jeep Cherokee Wide Track Chief
1978 Jeep CJ5 Base
1978 Jeep CJ5 Golden Eagle
1978 Jeep CJ5 Renegade
1978 Jeep CJ7 Base
1978 Jeep CJ7 Golden Eagle
1978 Jeep CJ7 Renegade
1978 Jeep J10 Base
1978 Jeep J20 Base
1978 Jeep Wagoneer Base
1979 American Motors AMX Base
1979 American Motors Concord Base
1979 American Motors Concord DL
1979 American Motors Concord Limited
1979 American Motors Pacer DL
1979 American Motors Pacer Limited
1979 American Motors Spirit Base
1979 Jeep Cherokee Base
1979 Jeep Cherokee S
1979 Jeep Cherokee Wide Track
1979 Jeep Cherokee Wide Track Chief
1979 Jeep Cherokee Wide Track Golden Eagle
1979 Jeep CJ5 Base
1979 Jeep CJ5 Golden Eagle
1979 Jeep CJ5 Renegade
1979 Jeep CJ7 Base
1979 Jeep CJ7 Golden Eagle
1979 Jeep CJ7 Renegade
1979 Jeep J10 Base
1979 Jeep J20 Base
1979 Jeep Wagoneer Base
1979 Jeep Wagoneer Limited
1980 Jeep Cherokee Base
1980 Jeep Cherokee S
1980 Jeep Cherokee Wide Track
1980 Jeep Cherokee Wide Track Chief
1980 Jeep Cherokee Wide Track Golden Eagle
1980 Jeep Cherokee Wide Track Laredo
1980 Jeep Cherokee Wide Track Limited
1980 Jeep CJ5 Base
1980 Jeep CJ5 Golden Eagle
1980 Jeep CJ5 Laredo
1980 Jeep CJ5 Renegade
1980 Jeep CJ7 Base
1980 Jeep CJ7 Golden Hawk
1980 Jeep CJ7 Laredo
1980 Jeep CJ7 Renegade
1980 Jeep J10 Base
1980 Jeep J20 Base
1980 Jeep Wagoneer Base
1980 Jeep Wagoneer Limited
1981 Jeep Cherokee Base
1981 Jeep Cherokee Chief
1981 Jeep Cherokee Laredo
1981 Jeep Cherokee Wide Track Chief
1981 Jeep Cherokee Wide Track Laredo
1981 Jeep CJ5 Base
1981 Jeep CJ5 Laredo
1981 Jeep CJ5 Renegade
1981 Jeep CJ7 Base
1981 Jeep CJ7 Laredo
1981 Jeep CJ7 Renegade
1981 Jeep J10 Base
1981 Jeep J20 Base
1981 Jeep Wagoneer Base
1981 Jeep Wagoneer Limited
1982 Jeep Cherokee Base
1982 Jeep Cherokee Chief
1982 Jeep Cherokee Wide Track Chief
1982 Jeep Cherokee Wide Track Laredo
1982 Jeep J10 Base
1982 Jeep J20 Base
1982 Jeep Wagoneer Base
1982 Jeep Wagoneer Brougham
1982 Jeep Wagoneer Limited
1983 Jeep Cherokee Base
1983 Jeep Cherokee Pioneer
1983 Jeep Cherokee Wide Track Chief
1983 Jeep Cherokee Wide Track Laredo
1983 Jeep J10 Base
1983 Jeep J20 Base
1983 Jeep Wagoneer Brougham
1983 Jeep Wagoneer Limited
1984 Jeep Grand Wagoneer Base
1984 Jeep Grand Wagoneer Limited
1984 Jeep J10 Base
1984 Jeep J20 Base
1985 Jeep Grand Wagoneer Base
1985 Jeep Grand Wagoneer Limited
1985 Jeep J10 Base
1985 Jeep J20 Base
1986 Jeep Grand Wagoneer Base
1986 Jeep J10 Base
1986 Jeep J20 Base
1987 Jeep Grand Wagoneer Base
1987 Jeep J10 Base
1987 Jeep J20 Base
1988 Jeep Grand Wagoneer Base
1988 Jeep J10 Base
1988 Jeep J20 Base
1989 Jeep Grand Wagoneer Base
1990 Jeep Grand Wagoneer Base
1991 Jeep Grand Wagoneer Base

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1