| Chassis |
Engine |
Years |
Part
# |
Power Rating |
Bracket Type |
Pulley |
PCM |
| Savana/Express G3500/G4500 |
6.6 Diesel Duramax |
2010 up |
66GMCSC6-FS |
275 amp |
OE position* with offset AC accessory drive |
52 mm 6-groove
pulley. |
Non-PCM |
| Savana/Express G3500/G4500 |
6.6 Diesel Duramax |
2010 up |
07RVC |
275 amp |
OE position* with offset AC accessory drive |
52 mm 6-groove
pulley. |
PCM |
| Savana/Express G2500/G3500/G4500 |
6.0 Vortec |
2010 up |
66GMCSC6-FS |
275 amp |
OE position* with offset AC accessory drive |
52 mm 6-groove
pulley. |
Non-PCM |
| Savana/Express G2500/G3500/G4500 |
6.0 Vortec |
2010 up |
07RVC |
275 amp |
OE position* with offset AC accessory drive |
52 mm 6-groove
pulley. |
PCM |
| Kodiak/TopKick C4500/C5500 |
6.6 Diesel Duramax |
2003 - 2009 |
6600526 |
275 amp |
OE position* with offset AC accessory drive |
Customer specified. |
Non-PCM 4-pin connector |
| Savana/Express G3500/G4500 |
6.6 Diesel Duramax |
2003 - 2009 |
66GMCSC6-FS |
275 amp |
OE position* with offset AC accessory drive |
Customer specified. |
Non-PCM 4-pin connector |
| Savana/Express G3500/G4500 |
6.6 Diesel Duramax |
2003 - 2009 |
66GM648-FL |
275 amp |
OE position* with offset AC accessory drive |
48 mm 6-groove
pulley.
belt ▲. |
Non-PCM 4-pin connector |
| Savana/Express G3500/G4500 |
6.6 Diesel Duramax |
2003 - 2009 |
66GM652-FL |
275 amp |
OE position* with offset AC accessory drive |
52 mm 6-groove
pulley. |
Non-PCM 4-pin connector |
| Kodiak/TopKick C4500/C5500 |
8.1 Vortec |
2003 - 2009 |
8100526 |
275 amp |
OE position* with offset AC accessory drive |
Customer specified. |
Non-PCM 4-pin connector |
| Savana/Express G3500/G4500 |
8.1 Vortec |
2003 - 2009 |
8100526 |
275 amp |
OE position* with offset AC accessory drive |
Customer specified. |
Non-PCM 4-pin connector |
| Savana/Express G3500/G4500 |
6.0 Vortec |
2003 - 2009 |
66GMCSC6-FS |
275 amp |
OE position* with offset AC accessory drive |
Customer specified. |
Non-PCM 4-pin connector |
| Savana/Express G3500/G4500 |
6.0 Vortec |
2003 - 2009 |
66GM648-FL |
275 amp |
OE position* with offset AC accessory drive |
48 mm 6-groove pulley.
belt ▲. |
Non-PCM 4-pin connector |
| Savana/Express G3500/G4500 |
6.0 Vortec |
2003 - 2009 |
66GM652-FL |
275 amp |
OE position* with offset AC accessory drive |
52 mm 6-groove
pulley. |
Non-PCM 4-pin connector |
| Topkick C5500/Jayco |
6.6 Vortec |
2008 |
6600526-648 |
275 amp |
OE position* |
48 mm 6-groove
pulley,
belt ▲. |
Non-PCM 4-pin connector |
| Savana/Express G3500/4500 |
6.0 Vortec |
2003 - 2009 |
66GMCSC6-FS-BSI |
275 amp |
aftermarket bracket with reclock |
Customer specified. |
Non-PCM 4-pin connector |
| Savana/Express G4500 |
6.0 Vortec |
2003 - 2009 |
66GM648-FL/BSI |
275 amp |
aftermarket bracket with reclock TM21 |
48 mm 6-groove
pulley.
belt ▲. |
Non-PCM 4-pin connector |
| Savana/Express G4500 |
6.0 Vortec |
2003 - 2009 |
66GM652-FL/BSI |
275 amp |
aftermarket bracket with reclock TM21 |
52 mm 6-groove
pulley. |
Non-PCM 4-pin connector |
