How to replace the alternator bracket on a 4.3L engine on GMC Sierra 1500?

A 4.3l engine replacement of the generator bracket requires generator and drive belt tensioner and drive belt idler pulley elimination prior to commencement of work. Begin by removing the bolts from the generator bracket along with its adjacent nut before removing the bracket. Put the generator bracket properly onto the stud according to the fastener notice instructions. Combine bolts with the nut to secure the generator bracket while tightening it to 41 n.m that is equivalent to 30 lb ft measure. Install the generator and drive belt tensioner and drive belt idler pulley in their respective places.

OEM GMC Sierra 1500 Alternator Bracket

Alternator Mount

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6 Alternator Brackets found

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GMC Sierra 1500 Mount Bracket
Part Number: 12554030
$90.24 MSRP: $152.55
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Product Specifications
- Other Name: Bracket, Generator Mounting; Alternator Bracket; Bracket; Bracket, Power Brake Booster
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2013 GMC Sierra 1500 | Base, C3, Denali, HT, Hybrid, SL, SLE, SLT, WT, XFE | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Idler Pulley
Part Number: 10236997
$85.06 MSRP: $143.78
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Product Specifications
- Other Name: Bracket, Engine Cooling; Alternator Bracket; Mount Bracket; Tensioner Bracket; Accessory Bracket; Generator Mounting Support.
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2013 GMC Sierra 1500 | Base, HT, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS
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GMC Sierra 1500 Support Bracket
Part Number: 97356246
$21.47 MSRP: $35.27
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Product Specifications
- Other Name: Bracket-Generator; Alternator Bracket; Upper Bracket; Bracket; Bracket, Generator Mounting
- Replaces: 97212348
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2005 GMC Sierra 1500 | Base, Denali, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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GMC Sierra 1500 Mount Bracket
Part Number: 12637351
$63.39 MSRP: $105.78
You Save: $42.39 (41%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Bracket, Engine Cooling; Alternator Bracket; Bracket, Generator Mounting
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2018 GMC Sierra 1500 | Base, Denali, SLE, SLT | 6 Cyl 4.3 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Mount Bracket
Part Number: 12626078
$47.15 MSRP: $81.94
You Save: $34.79 (43%)
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Product Specifications
- Other Name: Bracket, Engine Cooling; Alternator Bracket; Compressor Assembly Bracket; Bracket, Generator Mounting
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2019 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Bracket
Part Number: 97222522
Product Specifications
- Other Name: Bracket Assembly, Generator; Alternator Bracket; Bracket, Generator Mounting
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2002 GMC Sierra 1500 | Base, C3, Denali, HT, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS

GMC Sierra 1500 Alternator Bracket

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GMC Sierra 1500 Alternator Bracket Parts Questions & Experts Answers

Idler Pulley
10236997
Q: How to replace the alternator bracket on a 4.3L engine on GMC Sierra 1500?
A: A 4.3l engine replacement of the generator bracket requires generator and drive belt tensioner and drive belt idler pulley elimination prior to commencement of work. Begin by removing the bolts from the generator bracket along with its adjacent nut before removing the bracket. Put the generator bracket properly onto the stud according to the fastener notice instructions. Combine bolts with the nut to secure the generator bracket while tightening it to 41 n.m that is equivalent to 30 lb ft measure. Install the generator and drive belt tensioner and drive belt idler pulley in their respective places.