Replaces

1976-1978 American Motors Matador Alternator for L6 4.2L

This part replaces:

  • NSA ALT-1010D
  • Lester 7127-9

  • New

Specifications:

  • Brand New Alternator
  • 42-63 amps
  • No core charge
  • Direct replacement
  • Built to strict quality control standards

48 States Only:

Due to shipping restrictions, we can only ship this to a physical address within the Contiguous U.S. (lower 48 states).

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser. Please keep your invoice for proof of this warranty.

  1. Disconnecting the Battery (0:56)
    • Disconnect the negative battery cable
  2. Accessing the Alternator (1:03)
    • Remove the thumbscrew from the air cleaner
    • Loosen the air cleaner hose clamp
    • Disconnect the air cleaner hose
    • Pull out the air cleaner
    • Remove the 1/4 inch bolt from the A/C line bracket
    • Pull the A/C lines aside
  3. Removing the Alternator (1:32)
    • Disconnect the alternator wiring harness
    • Remove the 10mm nut from the alternator battery lead
    • Disconnect the battery lead
    • Loosen the 9/16 inch bolt from the alternator
    • Loosen the 1/4 inch bolt from the alternator
    • Pull the belt from the alternator
    • Remove the nut from the back of the alternator
    • Remove the 9/16 inch bolt and the 1/4 inch bolt from the alternator
    • Pull the alternator up and out
  4. Preparing the New Alternator (3:38)
    • Transfer the bracket from the old alternator to the new one
    • Insert a T50 Torx bit into the alternator shaft on the new alternator
    • Remove the 15/16 inch nut from the new alternator
    • Remove the pulley from the new alternator
    • Remove the pulley from the old alternator and transfer it to the new one
    • Match the position of the post on the new alternator to the old one
    • For more detailed instructions on changing the post position, please see our other videos
  5. Installing the New Alternator (5:23)
    • Put the new alternator into place
    • Start the 9/16 inch bolt into the alternator
    • Start the 1/4 inch bolt into the alternator
    • Fasten the nut onto the back of the alternator
    • Connect the alternator wiring harness
    • Connect the battery lead
    • Fasten the nut onto the battery lead
    • Put on the battery lead boot
    • Pull the belt onto the alternator
    • Pull the alternator up with a pry bar to tighten the belt
    • Tighten the two bolts into the front of the alternator
  6. Reconnecting the Battery (6:45)
    • Reconnect the negative battery cable
  7. Reinstalling the Air Cleaner (9:13)
    • Put the A/C lines onto their bracket
    • Insert the bolt into the A/C line bracket
    • Put the air cleaner into place
    • Connect the air cleaner hose
    • Tighten the air cleaner hose clamp
    • Fasten the thumbscrew onto the air cleaner

Tools needed for replacement:

    Ratchets & Related

  • Ratchet

  • Screwdrivers & Related

  • Flat Blade Screwdriver
  • Pry Bar

  • Sockets - Metric

  • 10mm Socket
  • 15mm Socket
  • 11mm Socket
  • 14mm Socket
  • 12mm Socket
  • 13mm Socket

  • Sockets - SAE

  • 1/2 Inch Socket
  • 7/16 Inch Socket
  • 9/16 Inch Socket

  • Wrenches - Metric

  • 15mm Wrench
  • 13mm Wrench
  • 11mm Wrench
  • 12mm Wrench
  • 14mm Wrench
  • 10mm Wrench

  • Wrenches - SAE

  • 9/16 Inch Wrench
  • 7/16 Inch Wrench
  • 1/2 Inch Wrench

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How-to Video:

(09:54 min)

Tools List:

    Ratchets & Related

  • Ratchet

  • Screwdrivers & Related

  • Flat Blade Screwdriver
  • Pry Bar

  • Sockets - Metric

  • 10mm Socket
  • 15mm Socket
  • 11mm Socket
  • 14mm Socket
  • 12mm Socket
  • 13mm Socket

  • Sockets - SAE

  • 1/2 Inch Socket
  • 7/16 Inch Socket
  • 9/16 Inch Socket

  • Wrenches - Metric

  • 15mm Wrench
  • 13mm Wrench
  • 11mm Wrench
  • 12mm Wrench
  • 14mm Wrench
  • 10mm Wrench

  • Wrenches - SAE

  • 9/16 Inch Wrench
  • 7/16 Inch Wrench
  • 1/2 Inch Wrench



This part replaces:

  • NSA ALT-1010D
  • Lester 7127-9

Vehicle Fit

  • 1978-1980 American Motors AMX Alternator for L6 4.2L
  • 1978-1983 American Motors Concord Alternator for L6 4.2L
  • 1978-1979 American Motors Concord Alternator for L6 3.8L
  • 1980-1982 American Motors Concord Alternator for L4 2.5L
  • 1980-1983 American Motors Eagle Alternator
  • 1976-1978 American Motors Gremlin Alternator for L6 3.8L
  • 1976-1978 American Motors Gremlin Alternator for L6 4.2L
  • 1976-1977 American Motors Hornet Alternator for L6 3.8L
  • 1976-1977 American Motors Hornet Alternator for L6 4.2L
  • 1976-1978 American Motors Matador Alternator for L6 4.2L
  • 1976-1978 American Motors Pacer Alternator for L6 3.8L
  • 1976-1980 American Motors Pacer Alternator for L6 4.2L
  • 1979 American Motors Spirit Alternator for L6 3.8L
  • 1979-1983 American Motors Spirit Alternator for L6 4.2L
  • 1980-1982 American Motors Spirit Alternator for L4 2.5L
  • 1973-1974 Buick Apollo Alternator for L6 4.1L
  • 1979-1980 Buick Century Alternator for V8 4.9L
  • 1980-1981 Buick Century Alternator for V8 4.3L
  • 1982-1984 Buick Century Alternator for V6 2.8L
  • 1973-1976 Buick Electra Alternator for V8 7.5L
  • 1980 Buick Electra Alternator for V8 4.9L
  • 1981-1982 Buick Electra Alternator for V8 5.0L
  • 1973-1976 Buick Estate Wagon Alternator for V8 7.5L
  • 1980 Buick Estate Wagon Alternator for V8 4.9L
  • 1981-1982 Buick Estate Wagon Alternator for V8 5.0L
  • 1973-1974 Buick LeSabre Alternator
  • 1977-1980 Buick LeSabre Alternator for V8 4.9L
  • 1981-1982 Buick LeSabre Alternator for V8 5.0L
  • 1979-1980 Buick Regal Alternator for V8 4.9L
  • 1980-1981 Buick Regal Alternator for V8 4.3L
  • 1982 Buick Skyhawk Alternator for L4 1.8L
  • 1977 Buick Skylark Alternator for V8 4.9L
  • 1985 Buick Skylark Alternator for V6 3.8L
  • 1973 Chevy Bel-Air Alternator for L6 4.1L
  • 1973-1981 Chevy Blazer Full Size Alternator for L6 4.1L
  • 1973 Chevy Blazer Full Size Alternator for L6 4.8L
  • 1981-1982 Chevy Blazer Full Size Alternator for V8 5.7L
  • 1973-1984 Chevy C10 Truck Alternator for L6 4.1L
  • 1973-1980 Chevy C10 Truck Alternator for L6 4.8L
  • 1973 Chevy C10 Truck Alternator for V8 5.0L
  • 1982 Chevy C10 Truck Alternator for V8 5.7L
  • 1973-1986 Chevy C20 Truck Alternator for L6 4.8L
  • 1973-1984 Chevy C20 Truck Alternator for L6 4.1L
  • 1973 Chevy C20 Truck Alternator for V8 5.0L
  • 1981-1982 Chevy C20 Truck Alternator for V8 5.7L
  • 1973-1986 Chevy C30 Truck Alternator for L6 4.8L
  • 1973-1980 Chevy C30 Truck Alternator for L6 4.1L
  • 1973 Chevy C30 Truck Alternator for V8 5.0L
  • 1981-1982 Chevy C30 Truck Alternator for V8 5.7L
  • 1973-1979 Chevy Camaro Alternator for L6 4.1L
  • 1977-1979 Chevy Caprice Alternator for L6 4.1L
  • 1973 Chevy Chevelle Alternator for L6 4.1L
  • 1985 Chevy Citation II Alternator for V6 2.8L
  • 1968-1969 Chevy Corvette Alternator for V8 7.0L
  • 1981 Chevy Corvette Alternator
  • 1973-1977 Chevy El Camino Alternator for L6 4.1L
  • 1973 Chevy Impala Alternator for L6 4.1L
  • 1977-1979 Chevy Impala Alternator for L6 4.1L
  • 1973 Chevy K10 Truck Alternator for V8 5.0L
  • 1973-1980 Chevy K10 Truck Alternator for L6 4.8L
  • 1973-1984 Chevy K10 Truck Alternator for L6 4.1L
  • 1981-1982 Chevy K10 Truck Alternator for V8 5.7L
  • 1973 Chevy K20 Truck Alternator for V8 5.0L
  • 1973-1986 Chevy K20 Truck Alternator for L6 4.8L
  • 1973-1980 Chevy K20 Truck Alternator for L6 4.1L
  • 1981 Chevy K20 Truck Alternator for V8 5.7L
  • 1973 Chevy K30 Truck Alternator for V8 5.0L
  • 1973-1986 Chevy K30 Truck Alternator for L6 4.8L
  • 1973-1974 Chevy K30 Truck Alternator for L6 4.1L
  • 1981-1982 Chevy K30 Truck Alternator for V8 5.7L
  • 1973-1977 Chevy Malibu Alternator for L6 4.1L
  • 1975-1977 Chevy Monza Alternator for L4 2.3L
  • 1975-1976 Chevy Monza Alternator for V8 4.3L
  • 1976-1977 Chevy Monza Alternator for V8 5.0L
  • 1978-1980 Chevy Monza Alternator for L4 2.5L
  • 1973-1979 Chevy Nova Alternator for L6 4.1L
  • 1975 Chevy Nova Alternator for V8 4.3L
  • 1973-1984 Chevy Suburban C10 Alternator for L6 4.8L
  • 1973 Chevy Suburban C10 Alternator for V8 5.0L
  • 1973-1980 Chevy Suburban C10 Alternator for L6 4.1L
  • 1982 Chevy Suburban C10 Alternator for V8 5.7L
  • 1973 Chevy Suburban C20 Alternator for V8 5.0L
  • 1973-1982 Chevy Suburban C20 Alternator for L6 4.8L
  • 1973-1974 Chevy Suburban C20 Alternator for L6 4.1L
  • 1982 Chevy Suburban C20 Alternator for V8 5.7L
  • 1973 Chevy Suburban K10 Alternator for V8 5.0L
  • 1973-1980 Chevy Suburban K10 Alternator for L6 4.1L
  • 1982 Chevy Suburban K10 Alternator for V8 5.7L
  • 1973-1974 Chevy Suburban K20 Alternator for L6 4.1L
  • 1973-1982 Chevy Suburban K20 Alternator for L6 4.8L
  • 1973 Chevy Suburban K20 Alternator for V8 5.0L
  • 1982 Chevy Suburban K20 Alternator for V8 5.7L
  • 1973-1986 Chevy Van - P Series Forward Control Alternator for L6 4.8L
  • 1973-1984 Chevy Van G-Series Alternator for L6 4.1L
  • 1975-1979 Chevy Van G-Series Alternator for L6 4.8L
  • 1981-1982 Chevy Van G-Series Alternator for V8 5.7L
  • 1981 Chevy Van G-Series Alternator for V8 5.0L
  • 1971-1977 Chevy Vega Alternator
  • 1973 GMC C1500 Truck Alternator for V8 5.0L
  • 1973-1980 GMC C1500 Truck Alternator for L6 4.8L
  • 1975-1984 GMC C1500 Truck Alternator for L6 4.1L
  • 1981-1982 GMC C1500 Truck Alternator for V8 5.7L
  • 1973-1984 GMC C2500 Truck Alternator for L6 4.1L
  • 1973 GMC C2500 Truck Alternator for V8 5.0L
  • 1973-1986 GMC C2500 Truck Alternator for L6 4.8L
  • 1981-1982 GMC C2500 Truck Alternator for V8 5.7L
  • 1973 GMC C3500 Truck Alternator for V8 5.0L
  • 1973-1980 GMC C3500 Truck Alternator for L6 4.1L
  • 1975-1986 GMC C3500 Truck Alternator for L6 4.8L
  • 1981-1982 GMC C3500 Truck Alternator for V8 5.7L
  • 1973 GMC Jimmy Full Size Alternator for L6 4.8L
  • 1973-1982 GMC Jimmy Full Size Alternator for L6 4.1L
  • 1981-1982 GMC Jimmy Full Size Alternator for V8 5.7L
  • 1983 GMC Jimmy S-15 Alternator for L4 1.9L
  • 1973-1984 GMC K1500 Truck Alternator for L6 4.1L
  • 1974-1980 GMC K1500 Truck Alternator for L6 4.8L
  • 1981-1982 GMC K1500 Truck Alternator for V8 5.7L
  • 1973-1986 GMC K2500 Truck Alternator for L6 4.8L
  • 1973-1980 GMC K2500 Truck Alternator for L6 4.1L
  • 1981-1982 GMC K2500 Truck Alternator for V8 5.7L
  • 1973 GMC K3500 Truck Alternator for V8 5.0L
  • 1973-1986 GMC K3500 Truck Alternator for L6 4.8L
  • 1973-1974 GMC K3500 Truck Alternator for L6 4.1L
  • 1981-1982 GMC K3500 Truck Alternator for V8 5.7L
  • 1982-1983 GMC S-15 Pickup Alternator for L4 1.9L
  • 1973-1974 GMC Suburban C1500 Alternator for L6 4.8L
  • 1973 GMC Suburban C1500 Alternator for V8 5.0L
  • 1981-1982 GMC Suburban C1500 Alternator for V8 5.7L
  • 1973 GMC Suburban C2500 Alternator for V8 5.0L
  • 1982 GMC Suburban C2500 Alternator for V8 5.7L
  • 1973 GMC Suburban K1500 Alternator for V8 5.0L
  • 1982 GMC Suburban K1500 Alternator for V8 5.7L
  • 1973-1974 GMC Suburban K2500 Alternator for L6 4.1L
  • 1973-1984 GMC Suburban K2500 Alternator for L6 4.8L
  • 1973 GMC Suburban K2500 Alternator for V8 5.0L
  • 1982 GMC Suburban K2500 Alternator for V8 5.7L
  • 1973-1986 GMC Van - P Series Forward Control Alternator for L6 4.8L
  • 1975-1983 Jeep CJ5 Alternator
  • 1975 Jeep CJ6 Alternator for L6 3.8L
  • 1975 Jeep CJ6 Alternator for L6 4.2L
  • 1976-1986 Jeep CJ7 Alternator
  • 1981-1985 Jeep CJ8 Scrambler Alternator
  • 1975-1983 Jeep Cherokee Alternator
  • 1984-1986 Jeep Grand Wagoneer Alternator for L6 4.2L
  • 1976-1987 Jeep J Series Pickup (SJ) Alternator for L6 4.2L
  • 1978-1988 Jeep J Series Pickup (SJ) Alternator for V8 5.9L
  • 1978-1983 Jeep Wagoneer Alternator for V8 5.9L
  • 1978 Jeep Wagoneer Alternator for V8 6.6L
  • 1983 Jeep Wagoneer Alternator for L6 4.2L
  • 1984-1986 Jeep Wagoneer Alternator for L4 2.5L
  • 1984-1986 Jeep Wagoneer Alternator for V6 2.8L
  • 1975 Olds 98 Alternator for V8 6.6L
  • 1980 Olds 98 Alternator for V8 5.7L
  • 1980 Olds 98 Alternator for V8 5.7L Diesel
  • 1980-1982 Olds 98 Alternator for V8 5.0L
  • 1975 Olds Custom Cruiser Alternator for V8 6.6L
  • 1980 Olds Custom Cruiser Alternator for V8 5.7L Diesel
  • 1980 Olds Custom Cruiser Alternator for V8 5.7L
  • 1980-1982 Olds Custom Cruiser Alternator for V8 5.0L
  • 1975-1976 Olds Cutlass Alternator for L6 4.1L
  • 1980 Olds Cutlass Alternator for V8 5.7L
  • 1980 Olds Cutlass Alternator for V8 4.3L
  • 1980 Olds Cutlass Calais Alternator for V8 5.7L
  • 1980-1982 Olds Cutlass Calais Alternator for V8 4.3L
  • 1982 Olds Cutlass Calais Alternator for V8 5.0L
  • 1980-1982 Olds Cutlass Cruiser Alternator for V8 4.3L
  • 1980 Olds Cutlass Cruiser Alternator for V8 5.7L
  • 1981-1982 Olds Cutlass Cruiser Alternator for V8 5.0L
  • 1975-1976 Olds Cutlass Supreme RWD Alternator for L6 4.1L
  • 1980 Olds Cutlass Supreme RWD Alternator for V8 5.7L
  • 1980-1982 Olds Cutlass Supreme RWD Alternator for V8 4.3L
  • 1982 Olds Cutlass Supreme RWD Alternator for V8 5.0L
  • 1975 Olds Delta 88 Alternator for V8 6.6L
  • 1979 Olds Delta 88 Alternator for V8 4.9L
  • 1980 Olds Delta 88 Alternator for V8 5.7L Diesel
  • 1980 Olds Delta 88 Alternator for V8 5.7L
  • 1980-1982 Olds Delta 88 Alternator for V8 5.0L
  • 1980-1982 Olds Delta 88 Alternator for V8 4.3L
  • 1982 Olds Firenza Alternator
  • 1973-1976 Olds Omega Alternator for L6 4.1L
  • 1976 Olds Starfire Alternator for L4 2.3L
  • 1977 Olds Starfire Alternator for V8 5.0L
  • 1979-1980 Olds Starfire Alternator for L4 2.5L
  • 1980 Olds Toronado Alternator
  • 1983-1984 Pontiac 6000 Alternator for V6 2.8L
  • 1969-1971 Pontiac Acadian Alternator for V8 5.7L
  • 1970-1971 Pontiac Acadian Alternator for L6 4.1L
  • 1975-1977 Pontiac Astre Alternator
  • 1971-1977 Pontiac Bonneville Alternator
  • 1978 Pontiac Bonneville Alternator for V8 6.6L
  • 1978-1980 Pontiac Bonneville Alternator for V8 4.9L
  • 1980-1981 Pontiac Bonneville Alternator for V8 4.3L
  • 1981 Pontiac Bonneville Alternator for V8 5.7L Diesel
  • 1971-1976 Pontiac Catalina Alternator for V8 6.6L
  • 1971-1976 Pontiac Catalina Alternator for V8 7.5L
  • 1977 Pontiac Catalina Alternator for V8 5.7L
  • 1977-1980 Pontiac Catalina Alternator for V8 4.9L
  • 1977-1979 Pontiac Catalina Alternator for L6 4.1L
  • 1980-1981 Pontiac Catalina Alternator for V8 4.3L
  • 1981 Pontiac Catalina Alternator for V8 5.0L
  • 1981 Pontiac Catalina Alternator for V8 5.7L Diesel
  • 1969-1977 Pontiac Firebird Alternator for V8 5.7L
  • 1969-1979 Pontiac Firebird Alternator for V8 6.6L
  • 1970-1974 Pontiac Firebird Alternator for L6 4.1L
  • 1971-1975 Pontiac Firebird Alternator for V8 7.5L
  • 1977-1979 Pontiac Firebird Alternator for V8 4.9L
  • 1973-1975 Pontiac Grand Am Alternator
  • 1978-1980 Pontiac Grand Am Alternator for V8 4.9L
  • 1975-1976 Pontiac Grand LeMans Alternator for V8 7.5L
  • 1975-1977 Pontiac Grand LeMans Alternator for V8 6.6L
  • 1975-1977 Pontiac Grand LeMans Alternator for V8 5.7L
  • 1975-1977 Pontiac Grand LeMans Alternator for L6 4.1L
  • 1977-1981 Pontiac Grand LeMans Alternator for V8 4.9L
  • 1982 Pontiac Grand LeMans Alternator for V8 5.7L Diesel
  • 1969-1982 Pontiac Grand Prix Alternator for V8 5.7L Diesel
  • 1977-1980 Pontiac Grand Prix Alternator for V8 4.9L
  • 1980-1981 Pontiac Grand Prix Alternator for V8 4.3L
  • 1971-1976 Pontiac Grand Safari Alternator
  • 1977-1978 Pontiac Grand Safari Alternator for V8 6.6L
  • 1977-1978 Pontiac Grand Safari Alternator for V8 4.9L
  • 1971-1975 Pontiac Grandville Alternator
  • 1982 Pontiac J2000 Alternator
  • 1976 Pontiac Laurentian Alternator for V8 6.6L
  • 1976 Pontiac Laurentian Alternator for V8 7.5L
  • 1977-1979 Pontiac Laurentian Alternator for L6 4.1L
  • 1981 Pontiac Laurentian Alternator for V8 5.0L
  • 1981 Pontiac Laurentian Alternator for V8 4.3L
  • 1972-1977 Pontiac LeMans Alternator for L6 4.1L
  • 1972-1977 Pontiac LeMans Alternator for V8 5.7L
  • 1972-1977 Pontiac LeMans Alternator for V8 6.6L
  • 1972-1976 Pontiac LeMans Alternator for V8 7.5L
  • 1977-1981 Pontiac LeMans Alternator for V8 4.9L
  • 1980-1981 Pontiac LeMans Alternator for V8 4.3L
  • 1978 Pontiac Phoenix Alternator for L4 2.5L
  • 1976 Pontiac Safari Alternator
  • 1976-1977 Pontiac Sunbird Alternator for L4 2.3L
  • 1978-1980 Pontiac Sunbird Alternator for L4 2.5L
  • 1970 Pontiac Tempest Alternator for V8 5.7L
  • 1973-1977 Pontiac Ventura Alternator
  • 1973-1976 Pontiac Ventura Alternator for L6 4.1L
  • 1973-1975 Pontiac Ventura Alternator for V8 5.7L
$90.95
Only 2 left in stock
Part #: 1AEAL00047

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