How to replace the alternator on a 4.2L engine on 2008 Chevrolet Trailblazer?

A driver should start the generator replacement on vehicles with 4.2l engines by disconnecting the battery negative cable followed by Drive Belt removal. Attack the engine lift hook by removing the bolt securing the air conditioning (A/C) line mounting bracket followed by the right engine lift hook bolts to extract the lift hook. Start by unbolting the generator from its mounting points using three bolts then disconnect the generator's battery positive cable's nut. Adhere the generator's battery positive cable using the provided nut by tightening it to 9 n.m (80 lb in). Fasten the generator using three bolts which require a torque of 50 n.m (37 lb ft). Screw in the engine lift hook with 2 bolts while tightening both fasteners to 50 n.m (37 lb ft). Fasten the a/c line bracket onto the lift hook then lock it with a bolt before tightening to 10 n.m (89 lb in). Complete the process by placing back the Drive Belt then reattach the battery negative cable.

OEM 2008 Chevrolet Trailblazer Alternator

Generator

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Make

Model

Year

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

3 Alternators found

View related parts
2008 Chevrolet Trailblazer Alternator Part Number: 15288860
$308.03 MSRP: $557.52
You Save: $249.49 (45%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Generator Assembly; Generator, Engine Electrical
- Item Weight: 15.80 Pounds
- Item Dimensions: 9.1 x 8.3 x 8.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15288860
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2008 Chevrolet Trailblazer Submodels:
- SS | 8 Cyl 6.0 L GAS
View related parts
2008 Chevrolet Trailblazer Alternator Part Number: 15225928
$249.93 MSRP: $455.23
You Save: $205.30 (46%)
Ships in 1-2 Business Days
ADD TO CART
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.
More Info
Fits the following 2008 Chevrolet Trailblazer Submodels:
- Base, LS, LT | 6 Cyl 4.2 L GAS
View related parts
2008 Chevrolet Trailblazer 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 2008 Chevrolet Trailblazer Submodels:
- Base, LS, LT | 8 Cyl 5.3 L GAS

2008 Chevrolet Trailblazer Alternator

With a comprehensive array of OEM 2008 Chevrolet Trailblazer Alternator, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2008 Chevrolet Trailblazer 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.

2008 Chevrolet Trailblazer Alternator Parts and Q&A

Q: How to replace the alternator on a 4.2L engine on 2008 Chevrolet Trailblazer?
A: A driver should start the generator replacement on vehicles with 4.2l engines by disconnecting the battery negative cable followed by Drive Belt removal. Attack the engine lift hook by removing the bolt securing the air conditioning (A/C) line mounting bracket followed by the right engine lift hook bolts to extract the lift hook. Start by unbolting the generator from its mounting points using three bolts then disconnect the generator's battery positive cable's nut. Adhere the generator's battery positive cable using the provided nut by tightening it to 9 n.m (80 lb in). Fasten the generator using three bolts which require a torque of 50 n.m (37 lb ft). Screw in the engine lift hook with 2 bolts while tightening both fasteners to 50 n.m (37 lb ft). Fasten the a/c line bracket onto the lift hook then lock it with a bolt before tightening to 10 n.m (89 lb in). Complete the process by placing back the Drive Belt then reattach the battery negative cable.