BO CL PULLEY-11302 7GRV OEM
17mm BORE, 49mm OD, 34.2mm W, 11mm DEEP. 16x1.5 THREAD, 25mm BELT, 3.3mm TO FIRST GROOVE, 7 GROOVE, CW, CLUTCH, INA OEM
Specifications
- DIM 1:49mm OD x 17mm Bore
- DIM 2:M16 x 1.50 Thread
- DIM A (MM):17
- DIM B (MM):49
- DIM C (MM):34.5
- DIM D (MM):3.3
- GROOVES:7
- SPECS FOR:Bosch IR/IF Alternators
- SPECS:7-Groove Clutch Pulley
- TYPE:OAP
USED ON
- BMW (2007-2013)
Replaces
- BMW 12-31-7-560-678, Bosch 0 121 C00 401, 0121C00401, F 00M 349 824, F 00M 349 899, F 00M 391 158, F 00M 991 260, F00M349824, F00M349899, F00M391158, F00M991260, INA Bearing Co 535 0164 10, F-554007.02, F-554007.03, F-554007.2, F-554007.3
LESTER NUMBERS
- 11302, 11362, 20446
UNIT NUMBERS
- BMW 12-31-7-542-351, 12-31-7-550-469, 12-31-7-558-219, 12-31-7-558-220, 12-31-7-560-985, 12-31-7-560-986, 12-31-7-582-699; Bosch 0 121 715 016, 0 121 715 017, 0 121 715 018, 0 121 715 116, 0 121 715 117, 0 121 715 118, 4884
Vehicle Application
BMW Car
1 Series M L6 3.0L 2979cc 2011
135i L6 3.0L 2979cc 2008-2010
335i L6 3.0L 2979cc 2007-2010
335i xDrive L6 3.0L 2979cc 2009-2010
335is L6 3.0L 2979cc 2011-2013
335xi L6 3.0L 2979cc 2007-2008
535i L6 3.0L 2979cc 2008-2010
535i xDrive L6 3.0L 2979cc 2009-2010
535xi L6 3.0L 2979cc 2008
BMW Truck
X5 L6 3.0L 2996cc 2007-2008
X5 L6 3.0L 2996cc GAS 2009-2010
BMW - Europe Car
1 (E81) Eng.N43 B16 A 116 i 89kw N43 B16 A 2007-2008
1 (E81) Eng.N43 B16 A, N45 B16 A 116 i 90kw "N43 B16 A, N45 B16 A" 2007-2008
1 (E81) Eng.N43 B20 A 118 i 105kw N43 B20 A 2006-2008
1 (E81) Eng.N43 B20 A, N46 B20 B, N46 B20 C 120 i 120kw "N43 B20 A, N46 B20 B, N46 B20 C" 2006-2008
1 (E81) Eng.N43 B20 A, N46 B20 B, N46 B20 C 120 i 125kw "N43 B20 A, N46 B20 B, N46 B20 C" 2006-2008
1 (E87) Eng.N43 B16 A 116 i 89kw N43 B16 A 2007-2008
1 (E87) Eng.N43 B16 A, N45 B16 A 116 i 90kw "N43 B16 A, N45 B16 A" 2007-2008
1 (E87) Eng.N43 B20 A 116 i 90kw N43 B20 A 2009
1 (E87) Eng.N43 B20 A 118 i 125kw N43 B20 A 2007
1 (E87) Eng.N43 B20 A 120 i 125kw N43 B20 A 2006-2010
1 (E87) Eng.N43 B20 A, N46 B20 B 118 i 100kw "N43 B20 A, N46 B20 B" 2006-2008
1 (E87) Eng.N43 B20 A, N46 B20 B 118 i 105kw "N43 B20 A, N46 B20 B" 2006-2008
1 (E87) Eng.N43 B20 A, N46 B20 B 118 i 95kw "N43 B20 A, N46 B20 B" 2006-2008
1 (E87) Eng.N43 B20 A, N46 B20 B, N46 B20 BD, N46 B20 C, N46 B20 CC, N46 B20 CD 120 i 120kw "N43 B20 A, N46 B20 B, N46 B20 BD, N46 B20 C, N46 B20 CC, N46 B20 CD" 2006-2008
1 Convertible (E88) Eng.N43 B20 A 118 i 105kw N43 B20 A 2008
1 Convertible (E88) Eng.N43 B20 A 120 i 120kw N43 B20 A 2008
1 Convertible (E88) Eng.N43 B20 A 120 i 125kw N43 B20 A 2008-2013
1 Coupe (E82) Eng.N43 B20 A, N46 B20 B 120 i 125kw "N43 B20 A, N46 B20 B" 2007-2008
1 Coupe (E82) Eng.N54 B30 A M 250kw N54 B30 A 2011-2012
116i 89kW, 121HP, 1599cc, 1.6L 2007-2008
116i 90kW, 122HP, 1599cc, 1.6L 2007-2008
116i 90kW, 122HP, 1995cc, 2.0L 2003-2008
118i 100kW, 136HP, 1995cc, 2.0L 2006-2008
118i 105kW, 143HP, 1995cc, 2.0L 2006-2008
118i 125kW, 170HP, 1995cc, 2.0L 2007
118i 95kW, 129HP, 1995cc, 2.0L 2006-2008
120i 120kW, 163HP, 1995cc, 2.0L 2006-2008
120i 125kW, 170HP, 1995cc, 2.0L 2006-2013
5 (E60) Eng.N43 B20 A 520 i 120kw N43 B20 A 2006-2010
5 (E60) Eng.N43 B20 A 520 i 125kw N43 B20 A 2007-2010
5 Touring (E61) Eng.N43 B20 A 520 i 120kw N43 B20 A 2007-2010
5 Touring (E61) Eng.N43 B20 A 520 i 125kw N43 B20 A 2007-2010
520i 120kW, 163HP, 1995cc, 2.0L 2006-2010
520i 125kW, 170HP, 1995cc, 2.0L 2007-2010
520i Touring 120kW, 163HP, 1995cc, 2.0L 2007-2010
520i Touring 125kW, 170HP, 1995cc, 2.0L 2007-2010
X5 N52B30A, 200kW, 272HP, 2996cc, 3.0L 2007-2008
X5 (E70) Eng.N52 B30 A 3.0 si 200kw N52 B30 A 2006-2008
X5 (E70) Eng.N52 B30 A xDrive 30 i 200kw N52 B30 A 2008-2010
X5 xDrive N52B30A, 200kW, 272HP, 2996cc, 3.0L 2008-2010
Features & Benefits
-
Genuine OEM replacement part
-
Manufactured to original factory specifications
-
Designed to match original fit, function, and performance
-
Helps reduce belt vibration and accessory drive noise
-
Supports smooth alternator operation during engine acceleration and deceleration
-
Engineered for dependable long-term reliability
-
Ideal for alternator rebuilding and repair
What Does an Alternator Clutch Pulley Do?
An alternator clutch pulley, also known as an overrunning alternator pulley (OAP) or overrunning alternator decoupler (OAD), allows the alternator rotor to continue spinning independently during engine deceleration. This helps reduce belt vibration, minimizes stress on the serpentine belt drive system, and improves overall accessory drive performance.
A properly functioning clutch pulley helps reduce belt noise, improves belt tensioner stability, and protects the alternator and related drive components from excessive shock loads. Replacing a worn or seized clutch pulley with a genuine OEM component helps restore the original operating characteristics intended by the manufacturer and promotes long-term charging system reliability.
Common Signs Replacement Is Needed
Replace the alternator clutch pulley if you notice:
-
Chirping or squealing belt noise
-
Excessive belt vibration
-
Failing or bouncing belt tensioner
-
Seized or locked pulley
-
Free-spinning pulley in both directions
-
Rough or noisy pulley bearing
-
Premature serpentine belt wear
-
Clutch pulley failure discovered during alternator rebuilding
Installation Recommendations
Installation should be performed by a qualified technician or experienced alternator rebuilder. Always use the correct clutch pulley removal and installation tools designed for your alternator application. Before installation, inspect the alternator shaft, threads, front bearing, belt tensioner, serpentine belt, and accessory drive components for signs of wear or damage.
Verify that the replacement pulley matches the original OEM pulley design, rotation, thread specifications, and overall dimensions. After installation, ensure the pulley operates smoothly and verify proper belt alignment and tension 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 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 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 OEM part, pulley style, thread specifications, dimensions, cross-reference numbers, and product photographs before installation. If you are unsure about compatibility, contact RC Auto Electric before ordering.