72 products about 2012 GMC Sierra 3500 HD Alternators, Batteries & Starters found
Product Specifications- Notes: Instrument Panel
- Other Names: Circuit Breaker, Relay
- Item Dimensions: 1.8 x 1.6 x 0.6 inches
- Item Weight: 0.30 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2012 GMC Sierra 3500 HD Circuit Breaker
More Info Vehicle Fitment- 2012 GMC Sierra 3500 HD | Denali, SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
$11.91 MSRP: $21.64
You Save: $9.73 (45%)
Product Specifications- Notes: 4.8, 5.3, 6.0 & 6.2 Liter
- Other Names: Bracket, Mount Bracket
- Item Dimensions: 5.7 x 19.3 x 12.6 inches
- Item Weight: 8.20 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2012 GMC Sierra 3500 HD Bracket
More Info Vehicle Fitment- 2012 GMC Sierra 3500 HD | Denali, SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
$88.70 MSRP: $142.55
You Save: $53.85 (38%)
Product Specifications- Notes: 4.8, 5.3, 6.0 & 6.2 Liter, 145 Amp; Silverado, Sierra; W/O Diesel; 145 Amp
- Other Names: Alternator
- Item Dimensions: 9.4 x 8.2 x 7.8 inches
- Item Weight: 16.20 Pounds
- Fitment Type: Direct Replacement
- Replaces: 25968616, 25869451, 15905872, 22781127, 15905874
- Part Description: 2012 GMC Sierra 3500 HD Alternator
More Info Vehicle Fitment- 2012 GMC Sierra 3500 HD | Denali, SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
$260.54 MSRP: $491.60
You Save: $231.06 (48%)
Product Specifications- Notes: 1.7 kW; 1st Time Fit
- New or Remanufactured: Remanufactured
- Power Rating: 1.7 kW
- Starter Rotation: Clockwise
- UPC: 042511211223
- Voltage: 12V
- Part Description: 2012 GMC Sierra 3500 HD Remanufactured Starter
More Info Vehicle Fitment- 2012 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.0L
Product Specifications- Notes: 6.0 & 6.2 Liter; 6.0 Liter
- Other Names: Starter
- Item Dimensions: 13.1 x 7.2 x 6.8 inches
- Item Weight: 5.40 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2012 GMC Sierra 3500 HD Starter
More Info Vehicle Fitment- 2012 GMC Sierra 3500 HD | Base, Denali, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
$247.05 MSRP: $464.37
You Save: $217.32 (47%)
Product Specifications- Notes: Reg Position: Int; Fan Position: Int; Pwr Generation (Amps): 160A
- Configuration: 6S
- Fan Position: Internal
- OE Manufacturer: Delco
- OE Part Number: 25877026
- Power: 160 Amp
- Regulator Position: Internal
- Rotation Direction: CW
- UPC: 762405284019
- Part Description: 2012 GMC Sierra 3500 HD Alternator
More Info Vehicle Fitment- 2012 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.0L
Product Specifications- Notes: w/Dual Alt System; 120 Amps;w/Bosch Alt; 120 Amps;w/Single Alt System; 120 Amps
- Amp Rating: 120
- Fan Type: Internal
- New or Remanufactured: Remanufactured
- OE Manufacturer: Bosch
- One Wire Capable: NO
- Pulley Belt Type: Serpentine
- Pulley Groove Quantity: 6
- Pulley Included: Yes
- Pulley Outside Diameter: 56
- Regulator Type: Internal
- Rotation Direction: Clockwise
- UPC: 090244128424
- Voltage [V]: 9
- Part Description: 2012 GMC Sierra 3500 HD Remanufactured Alternator
More Info Vehicle Fitment- 2012 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.0L
- 2012 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.6L
Product Specifications- Notes: 160 Amp; Delco Unit; w/156mm (6 1/8") dia Case; 1st Time Fit
- Amperage Rating: 160
- Family: Delco Remy OE
- Fan Type: Internal
- New or Remanufactured: Remanufactured
- Plug Type: 346
- Pulley Included: Yes
- Regulator Type: Internal
- Rotation Direction: Clockwise
- UPC: 042511210516
- Voltage: 12.0
- Part Description: 2012 GMC Sierra 3500 HD Remanufactured Alternator
More Info Vehicle Fitment- 2012 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.0L
Product Specifications- Notes: W/O 6.6 Liter Diesel; 6.0 Liter, Main Battery, W/O Code: 9L4; Silverado, Sierra; 6.0L
- Other Names: Positive Cable
- Item Dimensions: 11.8 x 11.3 x 3.9 inches
- Item Weight: 1.30 Pounds
- Fitment Type: Direct Replacement
- Replaces: 25971828
- Part Description: 2012 GMC Sierra 3500 HD Positive Cable
More Info Vehicle Fitment- 2012 GMC Sierra 3500 HD | Denali, SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
$53.62 MSRP: $101.18
You Save: $47.56 (48%)
Product Specifications- Mounting Bolt Hole Quantity: 2
- New or Remanufactured: Remanufactured
- Nose Cone Type: Closed Nose
- OE Manufacturer: Delco/Delphi
- Power Rating (kW): 2
- Rotation Direction: Clockwise
- Unit Design: Permanent Magnet Planetary Gear Reduction
- UPC: 090244266416
- Voltage [V]: 12
- Part Description: 2012 GMC Sierra 3500 HD Remanufactured Starter
More Info Vehicle Fitment- 2012 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.0L
Product Specifications- Notes: w/Bosch 125 amp alt.
- Amps: 125 Amps
- Clock: 12:00
- Fan: Internal
- Manufacturer: Bosch
- Pulley: 6 Groove Serpentine
- Regulator: Internal
- Rotation: Clockwise
- Volts: 12 Volts
- Part Description: 2012 GMC Sierra 3500 HD Alternator Remanufactured
More Info Vehicle Fitment- 2012 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.0L
- 2012 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.6L
Product Specifications- Design: Offset Gear Reduction
- Manufacturer: Hitachi
- Volts: 12 V
- Part Description: 2012 GMC Sierra 3500 HD Starter Remanufactured
More Info Vehicle Fitment- 2012 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.6L
Product Specifications- Item Dimensions: 2.8 x 2.8 x 2.1 inches
- Item Weight: 0.40 Pounds
- Fitment Type: Direct Replacement
- Replaces: 13502261
- Part Description: 2012 GMC Sierra 3500 HD Sensor
More Info Vehicle Fitment- 2012 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
$18.56 MSRP: $35.00
You Save: $16.44 (47%)
Product Specifications- Mounting Bolt Hole Quantity: 2
- New or Remanufactured: New
- Nose Cone Type: Closed Nose
- OE Manufacturer: Delco/Delphi
- Power Rating (kW): 2
- Rotation Direction: Clockwise
- Unit Design: Permanent Magnet Planetary Gear Reduction
- UPC: 090244077852
- Voltage [V]: 12
- Part Description: 2012 GMC Sierra 3500 HD Starter
More Info Vehicle Fitment- 2012 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.0L
Product Specifications- Design: Permanent Magnet Gear Reduction
- Manufacturer: Delco
- Power Rating: 1.7 kW
- Rotation: Clockwise
- Teeth: 11
- Volts: 12 V
- Part Description: 2012 GMC Sierra 3500 HD Starter Remanufactured
More Info Vehicle Fitment- 2012 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.0L
Product Specifications- Notes: Starter Solenoid, All
- Other Names: Battery Cable, Positive Cable
- Item Dimensions: 11.9 x 11.1 x 3.9 inches
- Item Weight: 1.80 Pounds
- Fitment Type: Direct Replacement
- Replaces: 20790045
- Part Description: 2012 GMC Sierra 3500 HD Positive Cable
More Info Vehicle Fitment- 2012 GMC Sierra 3500 HD | Denali, SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
$71.77 MSRP: $135.44
You Save: $63.67 (48%)
Product Specifications- Notes: Starter Solenoid, All
- Other Names: Battery Cable, Positive Cable
- Item Dimensions: 11.9 x 11.1 x 3.9 inches
- Item Weight: 1.80 Pounds
- Fitment Type: Direct Replacement
- Replaces: 20790045
- Part Description: 2012 GMC Sierra 3500 HD Positive Cable
More Info Vehicle Fitment- 2012 GMC Sierra 3500 HD | Denali, SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
$71.77 MSRP: $135.44
You Save: $63.67 (48%)
Product Specifications- Notes: w/Remy Alt; 160 Amps
- Amp Rating: 160
- Fan Type: Internal
- New or Remanufactured: New
- OE Manufacturer: Delco/Delphi
- One Wire Capable: NO
- Pulley Belt Type: Serpentine
- Pulley Groove Quantity: 6
- Pulley Included: Yes
- Pulley Outside Diameter: 62
- Regulator Type: Internal
- Rotation Direction: Clockwise
- Voltage [V]: 12
- Part Description: 2012 GMC Sierra 3500 HD Alternator
More Info Vehicle Fitment- 2012 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.0L
Product Specifications- Notes: w/Delco 160 amp alt.
- Amps: 160 Amps
- Clock: 3:00
- Fan: Internal
- Manufacturer: Delco
- Pulley: 6 Groove Serpentine
- Regulator: Internal
- Rotation: Clockwise
- UPC: 029175012434
- Volts: 12 Volts
- Part Description: 2012 GMC Sierra 3500 HD Alternator Remanufactured
More Info Vehicle Fitment- 2012 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.0L
Product Specifications- Notes: 6.6 Liter Diesel
- Location: Driver Side
- Other Names: Bracket, Support Bracket, Upper Bracket
- Item Dimensions: 5.9 x 3.3 x 2.1 inches
- Item Weight: 1.00 Pounds
- Fitment Type: Direct Replacement
- Replaces: 97212348
- Part Description: 2012 GMC Sierra 3500 HD Upper Bracket
More Info Vehicle Fitment- 2012 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
$19.98 MSRP: $32.96
You Save: $12.98 (40%)
Product Specifications- Notes: w/Delco 160 amp alt.
- Amps: 160 Amps
- Fan: Internal
- Manufacturer: Delco
- Pulley: 6 Groove Serpentine
- Regulator: Internal
- Rotation: Clockwise
- UPC: 029175090319
- Volts: 12 Volts
- Part Description: 2012 GMC Sierra 3500 HD Alternator New
More Info Vehicle Fitment- 2012 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.0L
Product Specifications- Notes: 6.0 Liter
- Other Names: Mount Bracket
- Item Dimensions: 17.9 x 10.5 x 5.2 inches
- Item Weight: 7.60 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2012 GMC Sierra 3500 HD Bracket Asm-Generator & P/S Pump
More Info Vehicle Fitment- 2012 GMC Sierra 3500 HD | Base, Denali, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
$115.89 MSRP: $206.30
You Save: $90.41 (44%)
Product Specifications- Notes: Silverado, Sierra; 6.6L; 6.6 Liter Diesel
- Other Names: Starter
- Item Dimensions: 7.3 x 6.3 x 12.4 inches
- Item Weight: 12.20 Pounds
- Fitment Type: Direct Replacement
- Replaced by: 12721722
- Part Description: 2012 GMC Sierra 3500 HD Starter Asm
More Info Vehicle Fitment- 2012 GMC Sierra 3500 HD | Base, Denali, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
$197.07 MSRP: $399.90
You Save: $202.83 (51%)
Product Specifications- Notes: 6.0 Liter, Secondary Battery; 6.6 Liter Diesel, Secondary Battery
- Location: Driver Side
- Other Names: Battery Tray
- Item Dimensions: 18.7 x 13.4 x 12.5 inches
- Item Weight: 2.20 Pounds
- Fitment Type: Direct Replacement
- Replaces: 15947428, 15925342, 15892230, 15871114
- Part Description: 2012 GMC Sierra 3500 HD Battery Tray
More Info Vehicle Fitment- 2012 GMC Sierra 3500 HD | Denali, SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
$26.39 MSRP: $41.91
You Save: $15.52 (38%)
Product Specifications- Notes: Silverado, Sierra; W/Diesel;Silverado, Sierra; W/O Diesel; 125 Amp; 6.0 Liter, 125 Amp; 6.6 Liter Diesel
- Location: Driver Side; Passenger Side
- Other Names: Alternator
- Item Dimensions: 10.3 x 9.0 x 8.7 inches
- Item Weight: 14.30 Pounds
- Fitment Type: Direct Replacement
- Replaces: 20911204, 22781128, 15204278
- Part Description: 2012 GMC Sierra 3500 HD Alternator
More Info Vehicle Fitment- 2012 GMC Sierra 3500 HD | Denali, SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
$285.32 MSRP: $522.68
You Save: $237.36 (46%)
Product Specifications- Notes: Engine Compartment, 30 Amp
- Other Names: Fuse, Fusible Link, Maxi Fuse
- Item Dimensions: 1.2 x 1.2 x 0.6 inches
- Item Weight: 0.40 Pounds
- Fitment Type: Direct Replacement
- Replaced by: 22917202
- Part Description: 2012 GMC Sierra 3500 HD Fuse, 30 A
More Info Vehicle Fitment- 2012 GMC Sierra 3500 HD | Base, Denali, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
$4.54 MSRP: $7.19
You Save: $2.65 (37%)
Product Specifications- Notes: Jumper, 4.8, 5.3, 6.0 & 6.2; 6.0 Liter, Main Battery, Jumper
- Other Names: Battery Cable
- Item Dimensions: 4.1 x 11.7 x 11.6 inches
- Item Weight: 1.20 Pounds
- Fitment Type: Direct Replacement
- Replaces: 20858775
- Part Description: 2012 GMC Sierra 3500 HD Battery Cable
More Info Vehicle Fitment- 2012 GMC Sierra 3500 HD | Denali, SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
$31.46 MSRP: $59.38
You Save: $27.92 (48%)
Product Specifications- Notes: Jumper, 4.8, 5.3, 6.0 & 6.2; 6.0 Liter, Main Battery, Jumper
- Other Names: Battery Cable
- Item Dimensions: 4.1 x 11.7 x 11.6 inches
- Item Weight: 1.20 Pounds
- Fitment Type: Direct Replacement
- Replaces: 20858775
- Part Description: 2012 GMC Sierra 3500 HD Battery Cable
More Info Vehicle Fitment- 2012 GMC Sierra 3500 HD | Denali, SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
$31.46 MSRP: $59.38
You Save: $27.92 (48%)
Product Specifications- Notes: 6.0 Liter, Secondary Battery; 6.6 Liter Diesel, Secondary Battery
- Location: Driver Side
- Other Names: Battery Tray Support, Support
- Item Dimensions: 9.4 x 2.2 x 12.6 inches
- Item Weight: 1.80 Pounds
- Fitment Type: Direct Replacement
- Replaces: 15705101
- Part Description: 2012 GMC Sierra 3500 HD Battery Tray Support
More Info Vehicle Fitment- 2012 GMC Sierra 3500 HD | Denali, SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
$24.85 MSRP: $39.48
You Save: $14.63 (38%)
Product Specifications- Notes: Silverado, Sierra; 6.0L; 6.0 Liter, Main Battery, W/O Code: 9L4
- Other Names: Negative Cable
- Item Dimensions: 14.2 x 13.3 x 3.7 inches
- Item Weight: 1.50 Pounds
- Fitment Type: Direct Replacement
- Replaces: 15826906, 20905414, 25878311
- Part Description: 2012 GMC Sierra 3500 HD Negative Cable
More Info Vehicle Fitment- 2012 GMC Sierra 3500 HD | Denali, SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
$54.07 MSRP: $102.04
You Save: $47.97 (48%)