OEM PART NUMBERS — ISUZU:
• Isuzu OEM: 1812510040 / 1-81251-004-0
• Isuzu OEM: 1812510240 / 1-81251-024-0
• Isuzu OEM: 1812510250 / 1-81251-025-0
• Isuzu OEM: 5812510120 / 5-81251-012-0
• Isuzu OEM: 1812000760
• Isuzu OEM: 1812002090
• Isuzu OEM: 1812002180
• Isuzu OEM: 1812002450
OEM PART NUMBERS — NIKKO:
• Nikko OEM: 1-44000-0580 / 1440000580
• Nikko OEM: 1-44000-0581 / 1440000581
• Nikko OEM: 1-44000-0730 / 1440000730
• Nikko OEM: 1-44000-0731 / 1440000731
• Nikko OEM: 1-44000-0740 / 1440000740
• Nikko Denki: 01-33-2003
INDUSTRY CROSS-REFERENCES:
• Industry: 230-50000
• Industry: IZ226
• Industry: 132092
• Industry Ref: 35-8400
• Industry: VR-H20031B / VRH20031B
• Other Names: 24V Voltage Regulator
• Other Names: Alternator Voltage Regulator
• Other Names: Nikko Voltage Regulator
• Other Names: 24 Volt Regulator
• Other Names: Industrial Voltage Regulator
• Other Names: A-Circuit Regulator
COMPATIBLE ALTERNATOR UNIT NUMBERS:
• Isuzu Alternator: 1812002050 / 1812002090 / 1812003650
• Komatsu Alternator: 600-821-3350 / 600-821-5410 / 600-821-5540 / 600-821-5580
• Komatsu Alternator: 600-821-3260 / 600-821-3280 / 600-821-3290 / 600-821-3330
• Komatsu Alternator: 600-821-3340 / 600-821-3370 / 600-821-3570 / 600-821-3571
• Komatsu Alternator: 600-821-5341 / 600-821-5360 / 600-821-5450 / 600-821-5480
• Komatsu Alternator: 600-821-5851 / 600-821-5870 / 600-821-5930
• Nikko Alternator: 0-33000-5100 / 0-33000-2841 / 0-33000-3071
• Nikko Alternator: 0-33000-2280 / 0-33000-2281 / 0-33000-2290 / 0-33000-2200
• Nikko Alternator: 0-33000-5280 / 0-33000-3700 / 0-33000-3760
• Nikko Alternator: 0-33000-4010 / 0-33000-6000
PRODUCT SPECIFICATIONS:
• Product Type: Voltage Regulator
• Unit Type: Nikko
• Voltage: 24 Volts
• Circuit Type: A-Circuit
• Polarity: Negative Ground
• Set Point: 27.5 Volts
• Activation: Ignition
• Adjustable: No
• Terminal ID: B+ / F
• Fits: Nikko IR / EF Alternators
• Condition: New Aftermarket Replacement
• Quantity: Sold Individually (1 Piece)
• Weight: 0.33 lbs / 0.15 kg
• Product Fit: Direct Fit OEM Replacement
• Recommended Use: OE Replacement
• Brush Holder: Not Included
• Rectifier: Not Included
• Tolerance Ring: Not Included
• Compliance: SAE / OEM-Spec Certified
SYMPTOMS OF FAILED REGULATOR:
• Battery Not Charging / Dead Battery
• Overcharging (Battery Boiling / Damage)
• Undercharging (Accessories Flicker)
• Dash Charge Warning Light On
• Alternator Output Voltage Incorrect
• Erratic Charging Voltage
APPLICATION SUMMARY:
• Isuzu Industrial Engines (6BB1 / 6BD1 / 6BG1 / DA120 / DA220)
• Komatsu Compressors / Crawlers / Excavators (1973-1997)
• Komatsu Generators / Lift Trucks / Loaders (1975-1997)
• Komatsu Motor Graders / Payloaders (1975-1997)
• TCM Lift Trucks (1979-1981)
• Cummins NTC743 / Cummins 855 (via Komatsu)
PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.
WARNING - This product may expose you to chemicals such as Carbon Black, Silica, Crystalline which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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