How to replace the lower control arm on 2003 Chevrolet Avalanche 1500?

Vehicle elevation and support must precede safety stand execution for lower Control Arm replacement. Start by removing the tire and wheel combination followed by the stabilizer shaft links attached to the lower Control Arm. The procedure requires removal of shock absorber lower nut and bolt followed by torsion bars then wheel drive shaft. Helping tools j 43631 ball joint separator and j 45851 ball joint separator protector adapters to disconnect the lower ball joint stud from the Steering Knuckle after removing its retaining nut. Starting with the lower Control Arm 15-series washers and nuts before moving onto lower Control Arm bolts then completing with lower Control Arm 25/35-series washers and nuts to remove the lower Control Arm. To install the lower Control Arm begin by first installing the lower Control Arm followed by lower Control Arm 15-series bolts then lower Control Arm 25/35-series bolts before tightening the lower Control Arm retaining nuts to 150 n.m (110 lb ft). Mount the lower ball joint stud onto the Steering Knuckle before installing the wheel drive shaft. Complete this setup with a nut on the lower ball joint stud which needs to be tightened to 100 n.m (74 lb ft). Place the torsion bars before installing the shock absorber lower nut and bolt and stabilizer shaft links onto the lower Control Arm. After wheel replacement installation, users should remove safety stands, lower the vehicle while performing necessary alignments.

OEM 2003 Chevrolet Avalanche 1500 Control Arm

Suspension Arm

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2003 Chevrolet Avalanche 1500 Lower Control Arm, Driver Side
Part Number: 20832022
$585.80 MSRP: $812.10
You Save: $226.30 (28%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Arm, Steering Knuckle Control Arm and Ball Joint Assembly; Suspension Control Arm Assembly.; Arm Kit, Steering Knuckle Upper & Lower Control
- Position: Driver Side
- Replaces: 12475475, 15103878, 25909326
- Item Weight: 37.90 Pounds
- Item Dimensions: 4.9 x 21.6 x 19.9 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 20832022
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Chevrolet Avalanche 1500 Submodels:
- Base, LS, LT, North Face, On Road Edition, WBH, Z66, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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2003 Chevrolet Avalanche 1500 Lower Control Arm, Driver Side
Part Number: 12475479
$286.72 MSRP: $451.14
You Save: $164.42 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Arm Kit, Steering Knuckle & Control Arm Assembly; Suspension Control Arm and Ball Joint.
- Position: Driver Side
- Replaces: 12472817
- Item Weight: 28.10 Pounds
- Item Dimensions: 5.1 x 21.6 x 20.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12475479
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Chevrolet Avalanche 1500 Submodels:
- Base, LS, LT, North Face, On Road Edition, WBH, Z66, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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2003 Chevrolet Avalanche 1500 Lower Control Arm, Passenger Side
Part Number: 12475480
$277.31 MSRP: $436.33
You Save: $159.02 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Arm Kit, Steering Knuckle & Control Arm Assembly; Suspension Control Arm and Ball Joint.
- Position: Passenger Side
- Replaces: 12472818
- Item Weight: 27.90 Pounds
- Item Dimensions: 22.1 x 22.3 x 5.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12475480
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Chevrolet Avalanche 1500 Submodels:
- Base, LS, LT, North Face, On Road Edition, WBH, Z66, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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2003 Chevrolet Avalanche 1500 Upper Control Arm, Rear
Part Number: 15767252
$96.81 MSRP: $151.65
You Save: $54.84 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Arm, Rear Axle Upper Control; Suspension Control Arm; Control Arm; Arm, Rear Axle Control Arm
- Position: Rear Upper
- Replaces: 15133164, 15208540
- Item Weight: 6.50 Pounds
- Item Dimensions: 20.4 x 2.7 x 2.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- Require Quantity: 2
- SKU: 15767252
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Chevrolet Avalanche 1500 Submodels:
- Base, LS, LT, North Face, On Road Edition, WBH, Z66, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
View related parts
2003 Chevrolet Avalanche 1500 Lower Control Arm, Rear
Part Number: 22868629
$53.75 MSRP: $92.31
You Save: $38.56 (42%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Arm, Rear Axle Control Arm; Suspension Trailing Arm; Suspension Control Arm; Control Arm
- Position: Rear
- Item Weight: 8.40 Pounds
- Item Dimensions: 29.4 x 4.2 x 4.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 22868629
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Chevrolet Avalanche 1500 Submodels:
- Base, LS, LT, North Face, On Road Edition, WBH, Z66, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
View related parts
2003 Chevrolet Avalanche 1500 Upper Control Arm, Front
Part Number: 15864153
$241.13 MSRP: $391.36
You Save: $150.23 (39%)
ADD TO CART
Product Specifications
- Other Name: Arm, Front Upper Control; Suspension Control Arm and Ball Joint Assembly.; Arm, Steering Knuckle Upper & Lower Control
- Position: Front Upper
- Replaces: 15047200
- Item Weight: 7.50 Pounds
- Item Dimensions: 4.8 x 14.9 x 12.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- Require Quantity: 2
- SKU: 15864153
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Chevrolet Avalanche 1500 Submodels:
- Base, LS, LT, North Face, On Road Edition, WBH, Z66, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
View related parts
2003 Chevrolet Avalanche 1500 Lower Control Arm, Passenger Side
Part Number: 20832023
Product Specifications
- Other Name: Arm, Steering Knuckle Control Arm and Ball Joint Assembly; Suspension Control Arm Assembly.
- Position: Passenger Side
- Replaces: 15103879, 25909327, 12475476
- Item Weight: 39.00 Pounds
- Item Dimensions: 4.9 x 21.1 x 19.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 20832023
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Chevrolet Avalanche 1500 Submodels:
- Base, LS, LT, North Face, On Road Edition, WBH, Z66, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS

2003 Chevrolet Avalanche 1500 Control Arm

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2003 Chevrolet Avalanche 1500 Parts Questions & Experts Answers

Q: How to replace the lower control arm on 2003 Chevrolet Avalanche 1500?
A: Vehicle elevation and support must precede safety stand execution for lower Control Arm replacement. Start by removing the tire and wheel combination followed by the stabilizer shaft links attached to the lower Control Arm. The procedure requires removal of shock absorber lower nut and bolt followed by torsion bars then wheel drive shaft. Helping tools j 43631 ball joint separator and j 45851 ball joint separator protector adapters to disconnect the lower ball joint stud from the Steering Knuckle after removing its retaining nut. Starting with the lower Control Arm 15-series washers and nuts before moving onto lower Control Arm bolts then completing with lower Control Arm 25/35-series washers and nuts to remove the lower Control Arm. To install the lower Control Arm begin by first installing the lower Control Arm followed by lower Control Arm 15-series bolts then lower Control Arm 25/35-series bolts before tightening the lower Control Arm retaining nuts to 150 n.m (110 lb ft). Mount the lower ball joint stud onto the Steering Knuckle before installing the wheel drive shaft. Complete this setup with a nut on the lower ball joint stud which needs to be tightened to 100 n.m (74 lb ft). Place the torsion bars before installing the shock absorber lower nut and bolt and stabilizer shaft links onto the lower Control Arm. After wheel replacement installation, users should remove safety stands, lower the vehicle while performing necessary alignments.