How to replace the alternator bracket for the diesel engine on 2010 GMC Sierra 1500?

The initial step to change the auxiliary generator bracket for the diesel engine involves eliminating the auxiliary generator from service. The first step is to remove the auxiliary generator bolt which allows removal of the auxiliary generator bracket. Position the auxiliary generator bracket on the air conditioning (A/C) bracket keeping in mind swiftener cautions. Secure the auxiliary generator bracket bolt at 50 Nm (37 lb ft) torque value. Finally, reinstall the auxiliary generator.

OEM 2010 GMC Sierra 1500 Alternator Bracket

Alternator Mount

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2010 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
- Item Weight: 7.70 Pounds
- Item Dimensions: 5.8 x 19.3 x 13.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12554030
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2010 GMC Sierra 1500 Submodels:
- 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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2010 GMC Sierra 1500 Idler Pulley
Part Number: 10236997
$85.06 MSRP: $143.78
You Save: $58.72 (41%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Bracket, Engine Cooling; Alternator Bracket; Mount Bracket; Tensioner Bracket; Accessory Bracket; Generator Mounting Support.
- Item Weight: 6.60 Pounds
- Item Dimensions: 13.1 x 8.2 x 8.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 10236997
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2010 GMC Sierra 1500 Submodels:
- Base, HT, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS

2010 GMC Sierra 1500 Alternator Bracket

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2010 GMC Sierra 1500 Parts Questions & Experts Answers

Q: How to replace the alternator bracket for the diesel engine on 2010 GMC Sierra 1500?
A: The initial step to change the auxiliary generator bracket for the diesel engine involves eliminating the auxiliary generator from service. The first step is to remove the auxiliary generator bolt which allows removal of the auxiliary generator bracket. Position the auxiliary generator bracket on the air conditioning (A/C) bracket keeping in mind swiftener cautions. Secure the auxiliary generator bracket bolt at 50 Nm (37 lb ft) torque value. Finally, reinstall the auxiliary generator.