Aftermarket Alternator Rectifier PR732HD
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Aftermarket Alternator Rectifier PR732HD

Prestolite
PR732HD
In stock
Rectifier
$30.00

Aftermarket Alternator Rectifier PR732HD

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

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

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FITS: PRESTOLITE ANB ALTERNATORS
DETAILS: POSITIVE
COMPONENTS: (6) 25 AMP/100 VOLT TIN CAN DIODES
CONDITION: NEW
ID#: 31-601, PR732, PR732HD
ACE/ACCURATE#: S-4903
OEM#: 35-732
IPM#: 1D-1211
LESTER#: 7331


Vehicle Application

Make Model Year Engine
Case 1150B 1973-1978 451 Diesel
Case 1450 1973-1980 504 Diesel
Caterpillar Ag. & Ind. 112F 1972-1974 Various
Caterpillar Ag. & Ind. 120B 1972-1978 Various
Caterpillar Ag. & Ind. 120G 1973-1978 Cat. 3304
Caterpillar Ag. & Ind. 12G 1973-1978 Cat. 3306
Caterpillar Ag. & Ind. 130G 1973-1978 Cat. 3304
Caterpillar Ag. & Ind. 140 1970-1974 Various
Caterpillar Ag. & Ind. 140G 1973-1978 Cat. 3306
Caterpillar Ag. & Ind. 14G 1973-1978 Cat. 3306
Caterpillar Ag. & Ind. 16G 1973-1978 Cat. 3406
Caterpillar Ag. & Ind. 215 1976-1981 Cat. 3204
Caterpillar Ag. & Ind. 215 1976-1981 Cat. 3304
Caterpillar Ag. & Ind. 245 1972-1981 Cat. 3406
Caterpillar Ag. & Ind. 561C 1969-1977 Cat. 3306
Caterpillar Ag. & Ind. 561D 1978 Cat. 3306
Caterpillar Ag. & Ind. 571F 1972-1974 Cat. 3306
Caterpillar Ag. & Ind. 571G 1975-1978 Cat. 3306
Caterpillar Ag. & Ind. 572F 1972-1974 Cat. 3306
Caterpillar Ag. & Ind. 572G 1975-1978 Cat. 3306
Caterpillar Ag. & Ind. 583H 1969-1974 D-342 Diesel
Caterpillar Ag. & Ind. 583K 1974-1977 D-342 Diesel
Caterpillar Ag. & Ind. 594 1974 D-353 Diesel
Caterpillar Ag. & Ind. 594H 1974-1978 D-353 Diesel
Caterpillar Ag. & Ind. 613A 1969-1976 Cat. 3208
Caterpillar Ag. & Ind. 621 1969-1974 Cat. 3406
Caterpillar Ag. & Ind. 623 1972-1974 Cat. 3406
Caterpillar Ag. & Ind. 814 1969-1978 Cat. 3306
Caterpillar Ag. & Ind. 814B 1970-1978 Cat. 3306
Caterpillar Ag. & Ind. 815 1970-1981 Cat. 3306
Caterpillar Ag. & Ind. 816 1970-1981 Cat. 3306
Caterpillar Ag. & Ind. 824B 1970-1978 D-343 Diesel
Caterpillar Ag. & Ind. 824C 1978 Cat. 3406
Caterpillar Ag. & Ind. 825B 1970-1979 D-343 Diesel
Caterpillar Ag. & Ind. 825C 1978 Cat. 3406
Caterpillar Ag. & Ind. 826B 1970-1979 D-343 Diesel
Caterpillar Ag. & Ind. 826C 1978 Cat. 3406
Caterpillar Ag. & Ind. 920 1969-1978 Cat. 3304
Caterpillar Ag. & Ind. 930 1969-1978 Cat. 3304
Caterpillar Ag. & Ind. 941 1969-1972 Cat. 3304
Caterpillar Ag. & Ind. 941B 1969-1978 Cat. 3304
Caterpillar Ag. & Ind. 950 1969-1978 Cat. 3304
Caterpillar Ag. & Ind. 951 1969-1971 Cat. 3304
Caterpillar Ag. & Ind. 951B 1969-1971 Cat. 3304
Caterpillar Ag. & Ind. 955K 1972-1975 D-330C Diesel
Caterpillar Ag. & Ind. 955L 1971-1978 Cat. 3304
Caterpillar Ag. & Ind. 966C 1972-1978 Cat. 3306
Caterpillar Ag. & Ind. 977K 1971-1978 D-333C Diesel
Caterpillar Ag. & Ind. 977L 1972-1978 Cat. 3306
Caterpillar Ag. & Ind. 980 1969-1970 Cat. 3306
Caterpillar Ag. & Ind. 980B 1972-1978 Cat. 3306
Caterpillar Ag. & Ind. 980C 1978 Cat. 3406
Caterpillar Ag. & Ind. 983 1969-1977 D-343 Diesel
Caterpillar Ag. & Ind. 988 1969-1976 Cat. 3406
Caterpillar Ag. & Ind. 988B 1969-1978 Cat. 3408
Caterpillar Ag. & Ind. D3 1972-1978 Cat. 3204
Caterpillar Ag. & Ind. D4D 1969-1978 Cat. 3304
Caterpillar Ag. & Ind. D5 1969-1978 Cat. 3306
Caterpillar Ag. & Ind. D6C 1969-1978 Cat. 3306
Caterpillar Ag. & Ind. D6D 1977-1978 Cat. 3306
Caterpillar Ag. & Ind. D7F 1969-1974 Cat. 3306
Caterpillar Ag. & Ind. D7G 1977-1978 Cat. 3306
Caterpillar Ag. & Ind. D8K 1974-1977 D-342 Diesel
Caterpillar Ag. & Ind. D9H 1974-1978 D-353 Diesel
Caterpillar Ag. & Ind. RM241 1971-1979 Various
Caterpillar Ag. & Ind. RM263 1971-1979 Various
Caterpillar Ag. & Ind. RM300 1971-1979 Various
Caterpillar Ag. & Ind. T224 1971-1979 Various
Caterpillar Ag. & Ind. T225 1971-1979 Various
Caterpillar Ag. & Ind. T226 1971-1979

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.

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.

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.

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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