OEM Bosch Voltage Regulator IB6056

Specifications

• MFR: BOSCH
• FEATURE 1: 100% New
• FEATURE 2: LIN (COM) Regulator
• FEATURE 3: COM ID Code: 88
• FEATURE 4: LIN interface
• FEATURE 5: Rotor control and die temperature monitoring via LIN
• FEATURE 6: B-Circuit, Voltage Set point is selectable from 10.6V to 16.0V
• FEATURE 7: LIN-NC Terminals
• FEATURE 8: Lin or Stator Activated
• FEATURE 9: Load response control
• SPECS FOR: Bosch IR/IF Alternators
• SPECS: 12 Volt, B-Circuit, LIN-NC Terminals

Used On

• Volvo (2007-2016)

Replaces

Bosch: F 00M 346 005, F 00M 346 019, F 00M 346 056, F 00M 346 097, F 00M 346 122, F 00M 346 131, F 00M 346 166
Ford: CN15-10316-AA
Volvo: 30667453

Lester Numbers

11223, 11347, 11568, 20008, 20010, 20013, 20499, 20620, 20855, 20894, 21040, 21299, 23953, 23973, 23976, 23979, 24003, 24142

Unit Numbers

Bosch: 0 120 000 003, 0 120 000 029, 0 121 615 005, 0 121 615 006, 0 121 615 007, 0 121 615 008, 0 121 615 009, 0 121 615 014, 0 121 615 021, 0 121 615 028, 0 121 615 105, 0 121 615 106, 0 121 615 107, 0 121 615 108, 0 121 615 109, 0 121 615 114, 0 121 615 121, 0 121 615 128, 0 121 715 002, 0 121 715 008, 0 121 715 024, 0 121 715 032, 0 121 715 079, 0 121 715 102, 0 121 715 108, 0 121 715 124, 0 121 715 132, 0 121 715 179, 0 125 711 002, 0 125 711 014, 0 125 711 023, 0 125 711 040, 0 125 711 047, 0 125 711 048, 0 125 711 053, 0 125 711 158, 0 125 711 179, 0 125 811 002, 0 125 811 005, 0 125 811 019, 0 125 811 020, 0 125 811 109, 0 125 811 110, F 000 BL0 606, F 000 BL0 639, F 000 BL0 643, F 000 BL0 6AK, F 000 BL0 6B7, F 000 BL0 6Y0, F 000 BL0 6Y1, F 000 BL0 6Z0
Ford: 1376501, 1379699, 1379700, 1379701, 1387927, 1388002, 1388003, 1388004, 1420871, 1425016, 1435647, 145494, 1455494, 1458640, 1469391, 1469400, 1506300, 1541451, 1757316, 1790382, 1790384, 1790385, 1790386, 1791839, 1791840, 5215796, 6G9N-10300-ABA, 6G9N-10300-ABB, 6G9N-10300-ABC, 6G9N-10300-ADA, 6G9N-10300-ADB, 6G9N-10300-DA, 6G9N-10300-DB, 6G9N-10300-DC, 6G9N-10300-DD, 6G9N-10300-HA, 6G9N-10300-HB, 6G9N-10300-HC, 6G9N-10300-HD, 6G9N-10300-JB, 6G9N-10300-JB, 6G9N-10300-JD, 6G9N-10300-JD, 6G9N-10300-JD, 6G9N-10300-UA, 6G9N-10300-UB, 6G9N-10300-UC, 6G9N-10300-UD, 6G9N-10300-XA, 6G9N-10300-XB, 6G9N-10300-XC, 6G9N-10300-YC, 6G9N-10399-HB, 6M5T-10300-SA, 7G9N-10300-EA, 8V21-10300-BB, AB39-10300-AE, AB39-10300-AF, AB39-10300-AFFC, AM5T-10300-SA, DB39-10300-AB, L566-18300-A, RE6G9N-10300-ABC, RE6G9N-10300-ADB, RE6G9N-10300-DD, RE6G9N-10300-HD, RE6G9N-10300-UD, RE6G9N-10300-XC, RE7G9N-10300-EA, UK01-18300-A
Ford Engineering: 2099437, 2099442, 2099447, 2099451, 2099465, 2099469, 2099471, 6G9J 10300 AA, 6G9J 10300 ADA, 6G9J 10300 DA, 6G9J 10300 HA, 6G9J 10300 UA, 6G9N-ABA, 6G9N-ABB, 6G9N-ABC, 6G9N-HA, 6G9N-HB, 6G9N-HC, 6G9N-HD, 6M5J 10300 SA, 7G9J 10300 EA, AB39 10300 BE, AB39 10300 BF
Land Rover: LR001200, LR002899
Marelli: 063536151210
Mazda: Y406-18-300
Original Reference Number: 89213012
Volvo: 30659131, 30659136, 30659341, 30667018, 30667118, 30667119, 30667295, 30667524, 30667525, 30667896, 3077311-0, 30773111, 30782032, 30782032-0, 30795169, 30795210, 31285627, 31285628, 31288879, 31288880, 36000037, 36000038, 36000207, 36000207-0, 36000220, 36000223, 36000613, 36000791, 36000791-0, 36000798, 36001105, 36001105-0, 36001341, 36001454, 36001497, 36001497-0, 36002176, 36002176-0, 36010302, 36012618, 36012618-0, 36012619, 8603388, 8603605, 8603605-0, 8603898, 8603898-0, 8697585

Vehicle Application

Features & Benefits

• Genuine OEM replacement part
• Manufactured to original factory specifications
• Regulates alternator output voltage
• Helps maintain proper battery charging
• Supports stable charging system performance
• Original fit, function, and electrical characteristics
• Ideal for alternator rebuilding and repair
• Engineered for long-term reliability

What Does a Voltage Regulator Do?

The voltage regulator controls the alternator's output by regulating current supplied to the rotor field winding. As electrical demand changes, the regulator continuously adjusts field current to maintain the proper charging voltage for the battery and the vehicle's electrical system.

A properly functioning voltage regulator helps prevent battery overcharging and undercharging while protecting sensitive electrical components from excessive voltage. Because charging system performance depends on the interaction between the regulator, rotor, stator, rectifier, and battery, replacing a faulty regulator is an important step in restoring alternator performance.

Common Signs Replacement Is Needed

Replace the voltage regulator if you notice:

• Battery overcharging
• Battery not charging
• Low charging voltage
• High charging voltage
• Battery warning light illuminated
• Intermittent charging problems
• Headlights that brighten or dim with engine speed
• Charging system failure during testing
• Voltage regulator failure discovered during alternator rebuilding

Installation Recommendations

Installation should be performed by a qualified technician or experienced alternator rebuilder. Before installing the new regulator, inspect the brushes, brush holder, slip rings, rotor, stator, rectifier, wiring, and electrical connections for signs of wear or damage.

Always verify connector configuration and mounting style before installation. After assembly, bench-test the alternator to confirm proper charging voltage and overall charging system performance.

While You're Rebuilding

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

• Bearings
• Brushes
• Brush Holder
• Slip Rings
• Rectifier
• Diodes
• Rotor
• Clutch Pulley
• Insulators

Why Buy From RC Auto Electric?

RC Auto Electric specializes in genuine OEM and premium aftermarket alternator and starter rebuilding components for professional rebuilders, repair shops, automotive technicians, and DIY enthusiasts. Our extensive catalog includes thousands of 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 OEM part number, connector configuration, mounting style, voltage specifications, cross-reference numbers, and product photographs before installation. If you are unsure about compatibility, contact RC Auto Electric before ordering.