Aftermarket Bosch Voltage Regulator IB5379

Specifications

• MFR: BOSCH
• FEATURE 1: 100% New
• FEATURE 2: LIN (COM) Regulator
• FEATURE 3: COM ID Code: 88
• SPECS FOR: Bosch IR/IF Alternator
• SPECS: 12 Volt, B-Circuit, LIN, 13.6 Vset

Replaces

Bosch: F 00M 145 311, F 00M 145 379, F 00M A45 212

Used On

• Volvo (2004-2009)

Lester Numbers

11091, 11363, 11447, 11488

Unit Numbers

Bosch: 0 124 525 060, 0 124 525 061, 0 124 525 521, 0 124 525 522, 0 124 625 024, 0 124 625 025
Original Reference Number: 89213652, 9213652, SB289
Volvo: 30658065, 30658084, 30658085, 30658086, 30667787, 30667892, 30667893, 30667894, 36050269, 8603262, 8603262-0, 8603263, 8603263, 8603264, 8603265-0

Vehicle Application

Volvo - Europe Car
S60 I Eng.B 5204 T5 2.0 T 132kW B 5204 T5 2005–2010
S60 I Eng.B 5244 S 2.4 125kW B 5244 S 2005–2010
S60 I Eng.B 5244 S2 2.4 103kW B 5244 S2 2005–2010
S60 I Eng.B 5244 SG 2.4 Bifuel (CNG) 103kW B 5244 SG 2005–2010
S60 I Eng.B 5244 SG2 2.4 Bifuel (LPG) 103kW B 5244 SG2 2005–2010
S60 I Eng.B 5244 T3 2.4 T 147kW B 5244 T3 2005–2010
S60 I Eng.B 5244 T3 2.4 T AWD 147kW B 5244 T3 2005–2010
S60 I Eng.B 5244 T5 2.4 T5 191kW B 5244 T5 2005–2010
S60 I Eng.B 5254 T2 2.5 T 154kW B 5254 T2 2004–2010
S60 I Eng.B 5254 T2 2.5 T AWD 154kW B 5254 T2 2004–2010
S60 I Eng.B 5254 T4 R 2,5 T AWD 221kW B 5254 T4 2004–2010
S60 I Eng.D 5244 T 2.4 D5 120kW D 5244 T 2005–2010
S60 I Eng.D 5244 T2 2.4 D 96kW D 5244 T2 2005–2010
S60 I Eng.D 5244 T4 2.4 D5 136kW D 5244 T4 2005–2010
S60 I Eng.D 5244 T5 2.4 D 120kW D 5244 T5 2005–2009
S60 I Eng.D 5244 T7 2.4 D 93kW D 5244 T7 2005–2010
S60 2400, D5244T T2 2004–2006
S60 2400, Turbo, B5244T4 2004–2006
S60 2400, B5244S G2 2004–2008
S60 2000, Turbo, B5204T5 2004–2009
S60 2500, Turbo, B5254T2 2004–2009
S60 2400, D5244T4 2005–2009
S80 I (TS, XY) Eng.B 5204 T4 2.0 120kW B 5204 T4 2005–2006
S80 I (TS, XY) Eng.B 5204 T5 2.0 T 132kW B 5204 T5 2005–2006
S80 I (TS, XY) Eng.B 5244 S 2.4 125kW B 5244 S 2005–2006
S80 I (TS, XY) Eng.B 5244 SG 2.4 Bifuel (LPG) 103kW B 5244 SG 2005–2006
S80 I (TS, XY) Eng.B 5244 SG2 2.4 Bifuel (CNG) 103kW B 5244 SG2 2005–2006
S80 I (TS, XY) Eng.B 5244 T3 2.4 T 147kW B 5244 T3 2005–2006
S80 I (TS, XY) Eng.B 5254 T2 2.5 T 154kW B 5254 T2 2005–2006
S80 I (TS, XY) Eng.B 5254 T2 2.5 T AWD 154kW B 5254 T2 2005–2006
S80 I (TS, XY) Eng.B 6294 S 2.9 147kW B 6294 S 2004–2006
S80 I (TS, XY) Eng.B 6294 S2 3.0 144kW B 6294 S2 2004–2006
S80 I (TS, XY) Eng.B 6294 T 3.0 T6 200kW B 6294 T 2004–2006
S80 I (TS, XY) Eng.D 5244 T 2.4 D5 120kW D 5244 T 2005–2006
S80 I (TS, XY) Eng.D 5244 T2 2.4 D 96kW D 5244 T2 2005–2006
S80 2.9L 2922cc 2004–2006
S80 2000, Turbo, B5204T5 2004–2006
S80 2400, B5244S G2 2004–2006
S80 2500, Turbo, B5254T2 2004–2006
V70 II (SW) Eng.2.4 D5 120kW 2005–2007
V70 II (SW) Eng.B 5204 T5 2.0 T 132kW B 5204 T5 2005–2007
V70 II (SW) Eng.B 5244 S 2.4 125kW B 5244 S 2004–2005
V70 II (SW) Eng.B 5244 S2 2.4 103kW B 5244 S2 2004–2005
V70 II (SW) Eng.B 5244 SG 2.4 Bifuel (LPG) 103kW B 5244 SG 2004–2005
V70 II (SW) Eng.B 5244 SG2 2.4 Bifuel (CNG) 103kW B 5244 SG2 2004–2005
V70 II (SW) Eng.B 5244 T5 2.4 T5 191kW B 5244 T5 2004–2005
V70 II (SW) Eng.B 5254 T2 2.5 AWD 155kW B 5254 T2 2004
V70 II (SW) Eng.B 5254 T2 2.5 T 154kW B 5254 T2 2004–2005
V70 II (SW) Eng.B 5254 T2 2.5 T AWD 154kW B 5254 T2 2004–2005
V70 II (SW) Eng.B 5254 T4 2.5 R Sport 221kW B 5254 T4 2004–2005
V70 II (SW) Eng.B 5254 T4 R 2,5 T AWD 221kW B 5254 T4 2004–2005
V70 II (SW) Eng.D 5244 T, D 5244 T2, D 5244 T5 2.4 D5 AWD 120kW D 5244 T, D 5244 T2, D 5244 T5 2005–2007
V70 II (SW) Eng.D 5244 T, D 5244 T5 2.4 D5 120kW D 5244 T, D 5244 T5 2005–2006
V70 II (SW) Eng.D 5244 T2 2.4 D 96kW D 5244 T2 2005–2007
V70 II (SW) Eng.D 5244 T4 2.4 D5 136kW D 5244 T4 2005–2007
V70 II (SW) Eng.D 5244 T4 2.4 D5 AWD 136kW D 5244 T4 2005–2007
V70 II (SW) Eng.D 5244 T7 2.4 D 93kW D 5244 T7 2005–2007
V70 Mk2 2000, Turbo, B5204T5 2004–2007
V70 Mk2 2400, B5244S S2 2004–2007
V70 Mk2 2400, B5244SG2 2004–2007
V70 Mk2 2400, D5244T T2 5 7 2004–2007
V70 Mk2 2400, Turbo, B5244T5 2004–2007
V70 Mk2 2500, Turbo, B5254T2 2004–2007
XC70 CROSS COUNTRY Eng.B 5254 T2 2.5 T XC AWD 154kW B 5254 T2 2004
XC70 CROSS COUNTRY Eng.D 5244 T 2.4 D5 XC AWD 120kW D 5244 T 2004–2006
XC70 CROSS COUNTRY Eng.D 5244 T4 2.4 D5 AWD 136kW D 5244 T4 2005–2007
XC70 2400, D5244T 2004–2006
XC70 2500, Turbo, B5254T2 2004–2007
XC70 2400, D5244T4 2005–2007
XC90 I Eng.D5 AWD 120kW 2007–2010
XC90 I Eng.B 5254 T2 2.5 T 154kW B 5254 T2 2004–2006
XC90 I Eng.B 5254 T9 2.5 T AWD 154kW B 5254 T9 2012–2014
XC90 I Eng.B 6294 T T6 AWD 200kW B 6294 T 2004–2006
XC90 I Eng.B 6324 S 3.2 AWD 175kW B 6324 S 2006–2010
XC90 I Eng.B 6324 S5 3.2 AWD 179kW B 6324 S5 2010–2012
XC90 I Eng.D 5244 T, D 5244 T5 D5 AWD 120kW D 5244 T, D 5244 T5 2005–2006
XC90 I Eng.D 5244 T4 D5 AWD 136kW D 5244 T4 2006–2010
XC90 I Eng.D 5244 T5 D3 / D5 120kW D 5244 T5 2009–2012
XC90 I 2.9L 2922cc 2004–2006
XC90 I 2400, D5244T 2004–2006
XC90 I 2400, D5244T4 2005–2010
XC90 I 2500, Turbo, B5254T2 2005–2010
XC90 I 3.2L 3192cc 2006–2012

Volvo Car
S60 L5 2.4L 2435cc 2005–2009
S60 L5 2.5L 2521cc 2005–2009
S80 L5 2.5L 2521cc 2004–2006
V70 L5 2.4L 2435cc 2005–2007
V70 L5 2.5L 2521cc 2005–2007

Volvo Truck
XC70 L5 2.5L 2521cc 2005–2007
XC90 L5 2.5L 2521cc 2005–2006

Features & Benefits

• Precision aftermarket replacement part
• Regulates alternator output voltage
• Helps maintain proper battery charging
• Supports stable charging system performance
• Manufactured to match original specifications
• Designed for dependable long-term operation
• Ideal for alternator rebuilding and repair
• Cross-referenced to OEM and aftermarket part numbers

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 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 part, 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.