A-121576C1-AI Voltage Regulator (12 Volt)
A-121576C1-AI Voltage Regulator (12 Volt)
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One New Aftermarket Replacement 12-Volt Voltage Regulator Fits Case, Fits International Harvester, Fits John Deere, and Oliver Tractors and Combines
This 12-volt, dual-polarity voltage regulator is a direct replacement for the Fits Delco-Remy two-unit type regulator used in the charging systems of vintage Fits Case, Fits International Harvester (IH), Fits John Deere, White, Oliver, and Gleaner equipment. Designed for A-type circuits, it operates in both positive and negative ground systems, making it compatible across a wide range of older agricultural and industrial machines equipped with generator-based charging systems.
Specifications
- Voltage: 12V
- Polarity: Dual (positive or negative ground)
- Type: Two-Unit
- Circuit: A-Circuit
- Output: 15 to 18 amps
- Terminals: 3-Terminal - BAT, GEN, FLD; GRD (base)
- Mount: Saddle/base mount to generator
Compatible Models
Fits Case/International Harvester Tractors: 700, 720, 730, 730 Comfort King, 731, 740, 741, 742, 744, 801B, 830, 830 Comfort King, 831, 840, 841, 842, 843, 900, 930, 930 Comfort King, 930CK, 940, 1030, 1030 Comfort King, 1031, Fits Cub Lo-Boy 154, Fits Cub Lo-Boy 185
Fits Case/International Harvester Combines: 800, 1010, 1060
Fits Case/International Harvester Industrial/Construction: W7, W8B, W9, W9A, W9B, W10B, 800 Skidder
Fits John Deere Tractors: A, G, 50, 60, 70, 520, 530, 620, 630, 720, 730
Fits John Deere Industrial: 50 (Backhoe Loader)
Gleaner Combines: G
White / Oliver Tractors: 550
Replaces Part Number(s):
121576C1, 1118792, 1118791, 1118783, 1118991, 1972235, 21A614, 155035A, W155035A
Aftermarket Interchange Numbers
Also interchanges with Fits Delco-Remy generator numbers: 1100314, 1100315, 1100322, 1100328, 1100335, 1100349, 1100350, 1100379, 1100953, 1100954
New aftermarket replacement part - not remanufactured, not used.
Models This Part Fits:
W8B, 930CK, W9, 830 Comfort King, W9B, 1100350, 741, 842, 740, 830, 731, 843, 1032, 720, 930 Comfort King, 550, 70, 620, 1100954, 1030, 1100379, A, 730, 900, 154, 1000, 840, Fits Cub Lo-Boy 154, W7, 185, 530, W10B, 800, W9A, 700, 1100314, 730 Comfort King, 742, 744, 841, 940, 1100335, 1100315, 1060, 630, 831, 930, 1030 Comfort King, 50, 800 Skidder, 60, Fits Cub Lo-Boy 185, 1031, 1100349, 520, 1100328, 1100322, 1010, 801B, G, 1100953Additional Information:
12V Dual Polarity Two-Unit Type A-Circuit Designed for A type circuits in positive or negative ground systems 15 to 18 amp output 3-Terminal Terminals are: BAT-GEN-FLD, GRD (base)Reference Numbers:
121576C1, 1118991, 21A614, 1118791, 1118792, 1118783,1118991, 1972235, 155035A,W155035A, 1118792, 21A614Product Sub Group:
RegulatorsView More: Regulators Replacement Parts



