Aftermarket Alternator Rectifier IHR723HD
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Aftermarket Alternator Rectifier IHR723HD

Hitachi
IHR723HD
In stock
Rectifier
$50.00

Aftermarket Alternator Rectifier IHR723HD

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In-stock orders ship out same day or next business day via USPS.

Pre Order

Pre-orders ship out in the order received within 7–21 business days.

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Specifications

  • MFR:HITACHI
  • DIM 1:111mm OD
  • FEATURE 1:100% New 
  • FEATURE 2:6-50A diodes
  • FEATURE 3:Copper heat sink
  • NOTE 1:With diode trio.
  • NOTE 2:Heavy duty version of IHR723.
  • SPECS FOR:Hitachi 35-60A IR/EF Alternators w/ Vacuum Pump
  • SPECS:12, 24 Volt

USED ON

  • Isuzu - Europe (1984-1996) ** LTI - Europe (1987-1997) ** Nissan (1983-2007) ** Nissan - Europe (1985-1996) ** Nissan LCV - Europe (1985-1999) ** Opel LCV - Europe (1988-1994)

Replaces

  • Hitachi L140-13202, L140-53202, L150-83201, L150-83202, L160-4320, Isuzu 8-97188-870-0, 8941674110, 8944083760, Nissan, Infiniti 23232-09W01, 23232-10G01, 23232-16A00, 23232-18A00, 23232-18G00, 23232-V6601

LESTER NUMBERS

  • 12118, 14653, 14654, 14952, 20187, 20680, 20896, 20897, 22242, 22244, 22245, 22246, 22265, 22295, 22394, 22430, 23431, 24211

UNIT NUMBERS

  • Hitachi GD103925-A, LR140-119C, LR140-130, LR140-130B, LR140-130P, LR140-130PR , LR140-408, LR140-415, LR140-415B, LR140-426, LR150-401, LR150-401C, LR150-402, LR150-402C, LR150-403, LR150-421, LR150-421C, LR150-423, LR150-428, LR150-428C, LR150-428E, LR150-428S, LR150-428T, LR150-431, LR150-432, LR150-432B, LR150-434, LR150-434B, LR150-438, LR150-438B, LR150-439, LR150-439B, LR150-441, LR150-441C, LR150-441E, LR150-442, LR150-448, LR150-448B, LR150-449C, LR150-79, LR155-16, LR155-16B, LR155-16P, LR160-401, LR160-401C, LR170-407, LR170-407B, LR170-407E, LR170-407S, LR170-407T, LR170-412, LR170-412S, LR170-415, LR170-415B, LR170-415C, LR225-403, LR225-65, LR225-65B, LR225-65C, LR225-65E, LR225-65P, LR225-67, LR225-67B, LR235-402, LR240-401; Isuzu 8-94336-728-0, 8941224883, 8943325811, 8943325812, 8943820590, 8943820591, 8944195191, 8944490541, 8944490542, 8944527392, 8970377241, 8971137700, 8971876570; Marelli 944390511460; Nissan, Infiniti 23099-29W00, 23099-29W00R, 23099-C6802, 23099-C6804, 23099-C6805, 23099-C6808, 23099-C8600, 23099-C8604, 23099-R8103, 23099-R8104, 23099-R8109, 23099-R8110, 23099-R8700, 23100-02N14, 23100-02N15, 23100-02N19, 23100-02N22, 23100-02N23, 23100-0F000, 23100-16A00, 23100-16A01, 23100-17A00, 23100-17A00R, 23100-17A01, 23100-18A00, 23100-18A00R, 23100-18A01, 23100-18G02, 23100-20N01, 23100-29W00, 23100-43G04, 23100-43G05, 23100-43G06, 23100-43G06, 23100-43G08, 23100-43G08, 23100-54G01, 23100-54G01A, 23100-C8604, 23100-G3600, 2310092G01, 2310092G02; Opel 6204054; Original Reference Number AIP202; Prestolite 20130132; Valeo 437876

Vehicle Application

Make Model Year Engine
Isuzu - Europe NKR Series 1986-1996 4BC2, 65kW, 88HP, 3268cc, 3.3 Dsl.
Isuzu - Europe NPR Series 1984-1995 4BC2, 65kW, 88HP, 3268cc, 3.3 Dsl.
LTI - Europe FX Fairway 1987-1997 2700, Nissan Eng
Nissan - Europe Patrol 1985-1989 3246ccm SD33, 3.2 D
Nissan - Europe Patrol 1985-1990 3224ccm SD33, 3.3 D
Nissan - Europe Patrol 1986-1990 3224ccm SD33T, 3.3 TD
Nissan - Europe TERRANO II (R20) Eng.TD27T 2.7 TD 4WD 74kw 1993-1996 TD27T
Nissan - Europe Terrano II 1993-1996 2700
Nissan - Europe URVAN Box (E23) Eng.SD23 2.3 D 50kw 1985-1987 SD23
Nissan - Europe URVAN Box (E24) Eng.TD23 2.3 D 51kw 1988-1989 TD23
Nissan - Europe URVAN Box (E24) Eng.TD25 2.5 D 59kw 1989-1996 TD25
Nissan LCV - Europe Urvan 1985-1989 2300, TD23
Nissan LCV - Europe Urvan 1989-1999 2500, TD25
Nissan 720 1983-1986 L4 2.5L 2488cc 152cid Diesel
Nissan H02 1986-2007 SD25 Diesel Engine
Nissan KH02 1993-2007 SD25 Diesel Engine
Nissan Sentra 1983-1987 L4 1.7L 1688cc Diesel
Opel LCV - Europe Euromidi 1988-1994 2200

Features & Benefits

  • Precision aftermarket replacement part

  • Converts alternator-generated AC current into DC current for the vehicle charging system

  • Helps maintain proper battery charging and electrical system performance

  • Designed to provide reliable current rectification and power distribution

  • Manufactured to match original fit and function

  • Designed for dependable long-term operation

  • Ideal for alternator rebuilding and repair

  • Cross-referenced to OEM and aftermarket part numbers


What Does an Alternator Rectifier Do?

The alternator rectifier converts the alternating current (AC) produced by the alternator stator into direct current (DC) that can be used by the vehicle's electrical system and battery. It uses a series of diodes to control the direction of electrical current, allowing the alternator to provide usable DC charging output.

A properly functioning rectifier is essential for stable alternator performance and reliable battery charging. Failed or damaged rectifier diodes can reduce alternator output, create excessive AC ripple, cause intermittent charging problems, or prevent the alternator from charging properly. Replacing a faulty rectifier is an important step in restoring proper alternator operation.


Common Signs Replacement Is Needed

Replace the alternator rectifier if you notice:

  • Battery warning light illuminated

  • Battery not charging properly

  • Low or inconsistent charging output

  • Excessive AC ripple during charging system testing

  • Failed or shorted rectifier diodes

  • Intermittent charging system operation

  • Excessive heat or visible damage to the rectifier

  • Burned, damaged, or corroded stator connections

  • Rectifier failure discovered during alternator rebuilding or bench testing


Installation Recommendations

Installation should be performed by a qualified technician or experienced alternator rebuilder. Before installing the new rectifier, inspect the stator leads, rotor, voltage regulator, brushes, brush holder, slip rings, bearings, terminals, insulators, and internal wiring for signs of wear, overheating, corrosion, or damage.

Always verify the rectifier mounting configuration, terminal arrangement, stator connection points, dimensions, and electrical design before installation. Where soldering is required, use proper alternator rebuilding procedures and avoid excessive heat that could damage the rectifier or surrounding components.

After reassembly, bench-test the alternator to confirm proper charging output, diode operation, and AC ripple performance before returning the alternator to service.


While You're Rebuilding

Inspect other common wear components to help maximize charging system reliability:


Why Buy From RC Auto Electric?

RC Auto Electric specializes in alternator and starter rebuilding components for professional rebuilders, repair shops, automotive technicians, and DIY enthusiasts. Our extensive catalog includes thousands of OEM and aftermarket electrical components backed by accurate cross-reference information to help simplify part identification and reduce ordering mistakes.


Disclaimer

Compatibility information is provided as a reference only. Manufacturing revisions, production changes, and previous rebuilding modifications may affect internal alternator components. Always compare the original rectifier, mounting configuration, terminal arrangement, stator connection points, dimensions, electrical specifications, cross-reference numbers, and product photographs before installation. If you are unsure about compatibility, contact RC Auto Electric before ordering.

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