w/2-Pin Alt Plug Std 145 Amps Superseded
Delco Unit 145 Amps Superseded
w/2-Pin Alt Plug Std 145 Amps Superseded
w/2-Pin Alt Plug Std 145 Amps
Delco Unit 145 Amps Superseded
Delco Unit 145 Amps Superseded
w/2-Pin Alt Plug Std 145 Amps
Delco Unit 145 Amps
Delco Unit 145 Amps
Single Alt System
Delco Unit 145 Amps
Delco Unit 145 Amps
w/ 105 Amp and w/ JD Stamped
w/2-Pin Alt Plug Std 145 Amps Superseded
Bosch Unit 105 Amps Superseded
Bosch Unit 105 Amps Superseded
Bosch Unit 105 Amps
w/ Delco 145 amp alt.
w/2-Pin Alt Plug Opt 160 Amps
w/2-Pin Alt Plug Opt 160 Amps
w/ Bosch 105 amp alt.
w/ 145 Amp
w/ 145 Amp
w/ 105 Amp and w/ JD Stamped
Delco Unit 145 Amps
Delco Unit 145 Amps
w/ 145 Amp
w/ 145 Amp
w/ 145 Amp
w/ 105 Amp and w/ JD Stamped
w/2-Pin Alt Plug Std 145 Amps
w/ 145 Amp
Delco Unit 145 Amps
To 105 Amp Alternator
w/ Delco 145 amp alt.
w/2-Pin Alt Plug Opt 160 Amps
w/2-Pin Alt Plug Opt 160 Amps
w/ 105 Amp and w/ JD Stamped
w/ 105 Amp and Except JD Stamped
w/ 105 Amp and Except JD Stamped
AD244; Offset 2 in. Spools; 220 Amp; 150 Idle; w/4 pin Voltage Regulator; Natural
w/ 105 Amp and w/ JD Stamped
AD244; Offset 2 in. Spools; 180 AMP; 135 Idle; w/2 Pin Voltage Regulator; OE Only; Natural
AD244; Offset 2 in. Spools; 220 Amp; 150 Idle; w/4 pin Voltage Regulator; Black
AD244; Offset 2 in. Spools; 180 Amp; 135 Idle; w/4 pin Voltage Regulator; Polished
AD244; Offset 2 in. Spools; 180 Amp; 135 Idle; w/4 pin Voltage Regulator; Chrome
AD244; Offset 2 in. Spools; 220 AMP; 150 Idle; w/2 Pin Voltage Regulator; OE Only; Natural
Denso; 245 Amp; 6 Groove Pulley; 2 Pin OE Hookup; FR-L Voltage Regulator; Hairpin Upgrade; Natural Finish
AD244; Offset 2 in. Spools; 180 AMP; 135 Idle; w/2 Pin Voltage Regulator; OE Only; Chrome
AD244; Offset 2 in. Spools; 180 AMP; 135 Idle; w/2 Pin Voltage Regulator; OE Only; Polished
AD244; Offset 2 in. Spools; 220 Amp; 150 Idle; w/4 pin Voltage Regulator; Chrome
AD244; Offset 2 in. Spools; 220 Amp; 150 Idle; w/4 pin Voltage Regulator; Polished
AD244; Offset 2 in. Spools; 220 AMP; 150 Idle; w/2 Pin Voltage Regulator; OE Only; Black
AD244; 220 Amp; 3 in.; 6 Groove Under Drive Pulley; 2 Pin; Natural Finish High RPM Applications RVC OE Connection
AD244; Offset 2 in. Spools; 220 AMP; 150 Idle; w/2 Pin Voltage Regulator; OE Only; Polished
AD244; Offset 2 in. Spools; 220 AMP; 150 Idle; w/2 Pin Voltage Regulator; OE Only; Chrome
AD244; 220 Amp; 3 in.; 6 Groove Under Drive Pulley; 2 Pin; Black Finish High RPM Applications RVC OE Connection
Browse our selection of quality alternator parts designed specifically for your GMC Sierra 2500 HD Classic. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
SL · SLE · SLT · WT
Crew Cab Pickup · Extended Cab Pickup · Standard Cab Pickup
V8 6.0L · V8 6.6L · V8 8.1L
Automatic · Manual
