Aftermarket Alternator Rectifier IXR546
Click to zoom in

Aftermarket Alternator Rectifier IXR546

Marelli
IXR546
In stock
Rectifier
$45.00

Aftermarket Alternator Rectifier IXR546

Shipping

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.

Customer Support

Need help finding a part? Contact Support@RCAutoElectric.com

Specifications

  • MFR:MARELLI
  • DIM 1:105mm OD
  • FEATURE 1:100% New
  • FEATURE 2:6-25A diodes
  • NOTE 1:With diode trio.
  • SPECS FOR:Femsa Alternators
  • SPECS:12 Volt

USED ON

  • Aifo (1971-1983) ** Fiat (1968-1977) ** Fiat - Europe (1974-1978) ** Fiat-Allis (1970-1978) ** FSO - Europe (1978-1983) ** FSO LCV - Europe (1978-1983) ** Hesston (1981-1982) ** Iveco Fiat LCV / Heavy Duty - Europe (1978-1983) ** Lancia - Europe (1976-1980) ** Oliver (1973-1980) ** White Industrial (1976-1980)

Replaces

  • Bosch 9 121 337 320, 9 121 337 322, 9 121 337 323, 9 121 337 324, 9 121 337 326, 9 121 337 327, 9 121 337 337, Femsa 25945-9, Fiat 4262908, 4474546, 4474847, Lucas 74967491, UBB601, UBB802, Marelli 72966621, 74966611, 74966621, 749667491, 74967171, 74969191, 74992571, 940038236

LESTER NUMBERS

  • 13075, 14045, 14065

UNIT NUMBERS

  • Alfa Romeo 116760506000; Femsa ALB4035, ALB4045, ALB4068, ALB4077, ALB4086, ALB4087, ALB40N88, ALB40N89, ALB40N90; Fiat 4152101, 4152612, 4222696, 4222697, 4242730, 4263584, 4263983, 4306041, 4306700, 4392832, 4396883, 4474581, 4474704, 4474904, 4475036, 4476376; Letrika (Iskra) Tech. AAK1135, AAK3197, AAK4162; Marelli 063304830010, 63302900, 63303203, 63303213, 63303223, 63303780, 63304800, 63304830

Vehicle Application

Make Model Year Engine
Aifo 8031 1979-1983 2.8L - 2750cc Dsl
Aifo 8035 1973-1983 2.6L - 2591cc Dsl
Aifo 8045 1973-1981 3.5L - 3450cc Dsl
Aifo 8065 1973-1981 5.2L - 5190cc Dsl
Aifo CO 31 1971-1981 4.9L - 4940cc Dsl
Aifo CO 31 1971-1981 5.4L - 5410cc Dsl
Fiat - Europe 244 1974-1977 1300
Fiat - Europe 244 1974-1977 1600
Fiat - Europe 245 1974-1977 1600
Fiat - Europe 245 1974-1977 2000
Fiat - Europe X1/9 1976-1978 1300
Fiat-Allis 4 1971-1978 8035 Diesel
Fiat-Allis BD-8 1970-1972 OM-CO3 Engine
Fiat-Allis FL-4C 1971-1978 8035 Diesel
Fiat-Allis FL-4D 1974-1978 8035 Diesel
Fiat-Allis TL-5 1970-1972 8035 Diesel
Fiat-Allis TL-5H 1971-1974 8035 Diesel
Fiat 124 1968-1969 L4 1.2L 1197cc
Fiat 124 1968-1969 L4 1.2L 1197cc 73cid
Fiat 124 1968-1973 L4 1.4L 1438cc
Fiat 124 1968-1973 L4 1.4L 1438cc 88cid
Fiat 124 1971-1973 L4 1.6L 1608cc
Fiat 124 1971-1973 L4 1.6L 1608cc 98cid
Fiat 124 1972-1973 L4 1.6L 1592cc 97cid
Fiat 124 1974-1975 L4 1.8L 1756cc
Fiat 124 1974 L4 1.8L 1756cc 107cid
Fiat 128 1971-1973 L4 1.1L 1116cc
Fiat 128 1972-1974 L4 1.3L 1290cc 79cid
Fiat 128 1973-1977 L4 1.3L 1290cc
Fiat X-1/9 1974-1977 L4 1.3L 1290cc
Fiat X-1/9 1974 L4 1.3L 1290cc 79cid
FSO - Europe 125P 1978-1983 1500
FSO - Europe Polonez 1978-1983 1500
FSO LCV - Europe 125P 1978-1983 1500
Hesston 640 1981-1982 8045 Fiat Diesel
Hesston 640DT 1981-1982 8045 Fiat Diesel
Iveco Fiat LCV / Heavy Duty - Europe Daily 35 1978-1983 2400
Lancia - Europe Montecarlo 1976-1980 2000
Oliver 1465 1973-1975 278 Diesel Engine
Oliver 1470 1976-1980 278 Diesel Engine
White Industrial 2-50 1976-1980 Fiat 3-158 Diesel
White Industrial 2-60 1976-1980 Fiat 4-211 Diesel

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.

Read More
Read Less

Your cart

×