How to replace the alternator on a 4.2L engine on 2007 GMC Envoy?

In order to change the generator of the car with 4.2l engine, first unhook the battery negative cable, then remove the Drive Belt. Then, remove the air conditioning (A/C) line mounting bracket bolt at the engine lift hook, and then remove the right engine lift hook bolts to pull off the lift hook. Subsequently, remove the 3 generator mounting bolts to pull out the generator and disconnect the battery positive cable nut on the generator. For install use the positive cable of battery with the generator and secure it with the nut tightening to 9 n.m (80 lb in). Mount the generator and fasten using 3 bolts that need to be tightened up to 50 n.m ( 37 lb ft). Retighten the engine lift hook bolts and attach the hook to the engine with 2 bolts and tighten them to the same firmness of 50 n.m (37 lb ft). Then, install the a/c line bracket to the lift hook, fixing it with the bolt, with a tightening force of 10 n.m (89 lb in). Lastly, replace the Drive Belt, and reconnect the battery negative terminal.

OEM 2007 GMC Envoy Alternator

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2007 GMC Envoy Alternator Part Number: 22781131
$271.79 MSRP: $599.42
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Product Specifications
- Other Name: Generator Assembly; Generator, Engine Electrical
- Replaces: 19118686, 15847291, 94665137, 15222342, 15124532, 15222341, 15226003, 20989651
- Item Weight: 16.30 Pounds
- Item Dimensions: 9.3 x 8.2 x 7.9 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 22781131
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2007 GMC Envoy Submodels:
- Denali | 8 Cyl 5.3 L GAS
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2007 GMC Envoy Alternator Part Number: 15225928
$249.93 MSRP: $455.23
You Save: $205.30 (46%)
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Product Specifications
- Other Name: Generator; Generator, Engine Electrical
- Item Weight: 16.40 Pounds
- Item Dimensions: 9.5 x 8.2 x 8.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15225928
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2007 GMC Envoy Submodels:
- SLE, SLT | 6 Cyl 4.2 L GAS
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2007 GMC Envoy Alternator Part Number: 15225927
Product Specifications
- Other Name: Generator Assembly; Generator, Engine Electrical
- Item Weight: 16.40 Pounds
- Item Dimensions: 9.3 x 8.3 x 8.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15225927
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2007 GMC Envoy Submodels:
- Denali | 8 Cyl 5.3 L GAS

2007 GMC Envoy Alternator

With a comprehensive array of OEM 2007 GMC Envoy Alternator, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2007 GMC Envoy Alternator are backed by the manufacturer's warranty and are offered at competitive prices in the market. Rest assured, you can shop with complete confidence.

2007 GMC Envoy Alternator Parts and Q&A

Q: How to replace the alternator on a 4.2L engine on 2007 GMC Envoy?
A: In order to change the generator of the car with 4.2l engine, first unhook the battery negative cable, then remove the Drive Belt. Then, remove the air conditioning (A/C) line mounting bracket bolt at the engine lift hook, and then remove the right engine lift hook bolts to pull off the lift hook. Subsequently, remove the 3 generator mounting bolts to pull out the generator and disconnect the battery positive cable nut on the generator. For install use the positive cable of battery with the generator and secure it with the nut tightening to 9 n.m (80 lb in). Mount the generator and fasten using 3 bolts that need to be tightened up to 50 n.m ( 37 lb ft). Retighten the engine lift hook bolts and attach the hook to the engine with 2 bolts and tighten them to the same firmness of 50 n.m (37 lb ft). Then, install the a/c line bracket to the lift hook, fixing it with the bolt, with a tightening force of 10 n.m (89 lb in). Lastly, replace the Drive Belt, and reconnect the battery negative terminal.