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Alternator for Mercruiser 12V - Replaces 19020611

Alternator for Mercruiser 12V - Replaces 19020611

SKU:400-12007

Regular price £193.80 GBP
Regular price £232.56 GBP Sale price £193.80 GBP
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International Alternator

Fits AC-C 55, AC-C 60, AC-P 80, APOLLO & More (42 Amp)

Keep your International running with this 42 Amp 12V replacement alternator. Designed as a direct-fit replacement for the lift truck, auto and light truck listed below, it delivers reliable charging for standard and accessory electrical loads.

This unit features an external fan (EF) and an internal regulator (IR), and is supplied with a V1 pulley already fitted.

DIRECT FIT: Replaces AC Delco 321-621 — no modification required on the machines listed below.

Key Features

  • ✔High Capacity: 42 Amps of charging output.
  • ✔Direct Replacement: Replaces AC Delco 321-621.
  • ✔Pulley Fitted: V1 pulley installed and ready to fit.
  • ✔Robust Design: EF fan. IR regulator.
  • ✔Quality Assured: New aftermarket unit, 12 month warranty.

Technical Specs

Voltage: 12 Volts
Amperage: 42 Amps
Rotation: CW (Clockwise)
Pulley: V1 (Single Groove)
Regulator: Internal (IR)
Fan Type: External (EF)
SKU Reference: 400-12007

Vehicle Fitment Guide

Make Equipment Type Models Years
Allis Chalmers Lift Truck AC-C 55, AC-C 60, AC-P 80 1981–1985
Buick Auto And Light Truck APOLLO, CENTURION, CENTURY, ELECTRA, ESTATE WAGON, LESABRE, REGAL, RIVIERA, SKYLARK 1970–1979
Cadillac Auto And Light Truck CALAIS, DEVILLE, FLEETWOOD 1972–1974
Chevrolet Auto And Light Truck BEL AIR, C / K / R / V SERIES PICKUPS, CAPRICE, CORVETTE, EL CAMINO, IMPALA, MALIBU, MONTE CARLO, MONZA, S10 BLAZER, S10 PICKUP, VEGA 1969–1985
GMC Auto And Light Truck C / K / R / V SERIES PICKUPS, CABALLERO, JIMMY, S-15 JIMMY, S-15 PICKUP 1978–1985
Hyster Lift Truck H10-150F, H-150-275F, H-150-275H, H-160-110E, H40-60JS 1986
International Medium & Heavy-Duty Truck All Models (By Engine) - Prior to 1971, Cargostar, Fleetstar 1971–1979
International Auto And Light Truck LIGHT TRUCKS (EXC SCOUT) 1971–1976

OEM Part Number Cross Reference

AC Delco 321-621
API Marine 20051, 20054, ALT50, ALT51
Arco Marine 20102, 20103
Arrowhead 400-12002T, ADR0105, 400-12007
Barsanco 110-7127MAR
Cargo 111250
Caterpillar 655381
Delco 1100576, 1100577, 1100619, 1100654, 1100666, 1100721, 1100722, 1100732, 1100806, 1100894, 1100912, 1100914, 1100915, 1102393, 1102496
Dixie MA-100, MA-101
EMP Parts 4-5956
Family 10DN, 10SI
J&N Electrical Products 400-12007R, 400-12007
Lester 7113, 7152
Mallory 9-19100
Mercury Marine 37615, 37615A1, 47456A1, 47546, 56045, 59755, 69729
MES Motorcycle & Marine 3147M, 3147M-HO
Minnpar 47-2034
MP Parts 4-1050
OMC 0982364, 0983424, 0983836, 0984565, 0988247, 0988465, 982364, 983424, 983836, 984565, 988247
PIC 240-140, 240-209
RCP 48949
Sierra Marine 18-5950 (PAINTED BLACK), 18-5956 (UNPAINTED)
USA Industries 7127M
WAI Sales 20-159-9
WAI 20-159, 7152N
Wilson Small Engine 70-01-7152
Wilson 90-01-3067, 90-01-3103, 90-01-4413
Wood Auto ALT22002

Frequently Asked Questions

Will this fit my International AC-C 55?

Yes — the AC-C 55 appears in the fitment guide above. Check your existing part number against the cross reference table to confirm.

Is this a 42 Amp alternator?

Yes, this is a 42 Amp 12V unit with an IR regulator.

Is the pulley included?

Yes, a V1 pulley is pre-installed.

Is this new or remanufactured?

This is a brand new aftermarket unit — not a remanufactured core.

Note: Please verify your machine's serial number or existing part number to ensure compatibility.
Fast shipping available across the UK and Europe.

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Shipping calculated at checkout. Free shipping over £150. Terms apply