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A-121577C1-AI Voltage Regulator (12 Volt)

A-121577C1-AI Voltage Regulator (12 Volt)

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One New Aftermarket Replacement 12-Volt Voltage Regulator Fits International Harvester, Fits Massey Ferguson, Fits Allis Chalmers, Fits John Deere, Oliver, and More

This 12-volt mechanical voltage regulator replaces the Fits Delco Remy external regulator used on generator-equipped tractors, combines, lawn and garden equipment, and industrial machinery from the 1950s through the 1970s. It is a base-mount, 4-terminal unit with Light-Battery-Field-Armature terminals on the bottom, A-circuit design, adjustable, and includes a tolerance ring. Compatible with negative or positive polarity systems. Mounts on the firewall. Note: the 4th terminal is located under the base.

Specifications

  • Voltage: 12V
  • Amp Range: 7-9
  • Terminals: 4 (Light-Battery-Field-Armature on Bottom; 4th terminal under base)
  • Polarity: Negative or Positive
  • Circuit: A-Circuit
  • Adjustable: Yes
  • Includes: Tolerance Ring
  • Mount: Firewall/Base Mount

Compatible Models

Fits International Harvester / Fits FARMALL: Fits Cub (SN: 221293-248124), Fits Cub LoBoy (SN: 16398 and up; does NOT fit 154, 184, or 185), MD, 140 (SN: 26801 and up), 300, 350 (with 12-volt system), 400 (LP; with 12-volt system), 450 (with 12-volt system), 460, 560, 600, 650

Fits Cub Cadet: 70, 100

Fits John Deere: 435, 1010 (except with generator 1102331), 2010 (except with generator 1102331); Industrial: 440 (Diesel)

Fits Massey Ferguson / Fits Massey Harris: TO35 (SN: 161250 and up), FE35, F40, 35, 50, 65, 85, 88, Super 90, 135 (except Perkins Gas), 150, 165, 175, 180 (with Perkins Diesel or Continental Gas), 202, 203, 204, 205, 2135, 3165; MF Combines: 300, 410, 510; Fits Massey Harris: 50

Fits Allis Chalmers: D10, D12 (SN: 3501 and up), D14 (SN: 19001 and up), D15 (gas), D17 (gas and diesel), D19 (gas and diesel) - all with 12-volt generator system

Oliver / White Oliver: 550 (SN: 117379 and up), 770 (up to SN: 156836 with generator 1100419), 880 (up to SN: 156836 with generator 1100419), 1600 (up to SN: 147568), 1800 (up to SN: 147568), 1900 (up to SN: 147568)

Gravely, Jacobsen, Tecumseh: Starter-generator equipped units

Also fits many early Fits Delco-generator-equipped farm, lawn, and industrial engines and equipment.

Replaces Part Number(s):

AT11855, 70236680, 236680, 229484, 70229484, 32089, 007275, 1118981, 1118988, 12322585, 12323774, 12336883, D655, 182548M92, 1118779, 121577C1, 21A616, 376122R91, 360899R91, 107927, 105114A, D646, 1H545130R92, 1H-545130-R92, 545130R93, 545130-R93, IH545130R93, IH-545130-R93, 182548M1, 182548V92, AM30078

Aftermarket Interchange Numbers

ELP50-0005; Prestolite: 8-297, 8-778, GRX-297; Johnson Electric: 0218821

New aftermarket replacement part - not remanufactured, not used.

Models This Part Fits:

400 and 800 series, 410, 560, 65, 50, 203, 1900, 140, TO35, 175, mowers and turf equipment, 88, MD, 450, 550, 70, FE35, D12, vintage models from the 1950s and 60s, D10, 180, 204, 400, MF40, 135, 1800, 150, 600, 1600, 2135, 435, D15, 202, 650, 3165, 85, 165, 880, 460, D14, 770, engine and outdoor power equipment, Super 90, 510, 35, 300, Fits Cub, 440, D17, 350, 2010, 1010, 205, D19, F40, Fits Cub Loboy, 100

Additional Information:

Volt: 12 Amp Range: 7-9 Quality Type: Standard Terminal ID: Light-Battery-Field-Armature on Bottom Polarity: Negative or Positive Circuit: A Adjustable: TRUE No of Terminals: 4 Includes: Tolerance Ring Voltage Regulator

Reference Numbers:

1118779, 121577C1, 21A616, 376122R91, 360899R91, 121577C1, 360899R91, 376122R91, AM30078, AT11855, 182548M92, 70236680, 236680, 229484, 70229484, 1118981,182548M1,182548M92, 182548V92, 32089, 105114A, D646, AT11855, 007275, 107927, 1118981, 1118988, 12322585, 12323774, 12336883, D655, 1H545130R92, 1H-545130-R92, 545130R93, 545130-R93, IH545130R93, IH-545130-R93, 229484, 236680, 70229484, 70236680

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