Uniside for 2003 GMC Sierra 1500
No.
Part # / Description / Price
Price
1
Passenger Side Front Door Frame with Reinforcements and Rail 
GM
GM Positions: Right
Description: Extended cab 4 door. Extended cab 3 door. Allows for the vehicle door to be properly aligned
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Collision parts are designed to help promote proper and safe repair
3
MSRP $78.45
$53.66
4
Body A-Pillar Reinforcement GM
GM Positions: Left
Description: Standard cab. Crew cab, w'shield plr. Extended cab, 3 door. Extended cab 4 door.
4
Body A-Pillar Reinforcement GM
GM Positions: Right
Description: Crew cab, w'shield plr. Standard cab. Extended cab, 3 door. Extended cab 4 door.
7
Instrument Panel Lower Bracket GM
GM Description: CREW CAB. instrument panel. DOUBLE CAB. instrument panel. REGULAR CAB. instrument panel. EXTENDED CAB. instrument panel. Helps align and secure your vehicle's instrument panel center support
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $12.83
$9.59
MSRP $12.83
$9.59
9
Front Sill GM
GM Positions: Left
Description: Crew cab. #1. Standard cab. Extended cab, 3 door. Extended cab 4 door.
9
Front Sill GM
GM Positions: Right
Description: Standard cab. Extended cab, 3 door. Crew cab. #1. Extended cab 4 door. Sedan, #1.
11
13
Floor Panel Reinforcement GM
GM Positions: Right
Description: Without sut, inner. , front, inner. Crew cab. Inner reinf. Extended cab. Standard cab. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
13
Floor Panel Reinforcement GM
GM Positions: Left
Description: Crew cab. Standard cab. Extended cab, 3 door. Without sut, inner. Extended cab 4 door. , front, inner. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
14
Floor Panel Reinforcement GM
GM Positions: Right
Description: Without sut, outer. , front, outer. Crew cab. Outer reinf. Extended cab. Standard cab. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $138.48
$92.60
MSRP $138.48
$92.60
15
Floor Panel Reinforcement GM
GM Positions: Left
Description: Crew cab. Standard cab. Extended cab, 3 door. Without sut, outer. Extended cab 4 door. , front, outer. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $136.29
$91.13
MSRP $136.29
$91.13
16
Driver Side Rocker Inner Panel GM
GM Positions: Left
Description: Standard cab. Regular cab. Connects your vehicle's front and rear
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
Collision parts are designed to help promote proper and safe repair
MSRP $379.97
$249.50
MSRP $379.97
$249.50
16
Passenger Side Rocker Inner Panel GM
GM Positions: Right
Description: Standard cab. Regular cab. Connects your vehicle's front and rear
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
Collision parts are designed to help promote proper and safe repair
MSRP $379.97
$249.50
MSRP $379.97
$249.50
16
Passenger Side Rocker Inner Panel GM
GM Positions: Right inner
Description: Double cab. Extended cab 4 door. Extended cab 3 door. Connects your vehicle's front and rear
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
Collision parts are designed to help promote proper and safe repair
MSRP $368.89
$242.22
MSRP $368.89
$242.22
17
Driver Side Body Side Outer Panel GM
GM Positions: Left
Description: Standard cab. Helps to define the vehicle's appearance
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Collision parts are designed to help promote proper and safe repair
17
Passenger Side Body Side Outer Panel GM
GM Positions: Right
Description: Standard cab. Helps to define the vehicle's appearance
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Collision parts are designed to help promote proper and safe repair
No.
Part # / Description / Price
Price
2
Body A-Pillar Reinforcement GM
GM Positions: Left
Description: Standard cab. Crew cab, w'shield plr. Extended cab, 3 door. Extended cab 4 door.
2
Body A-Pillar Reinforcement GM
GM Positions: Right
Description: Crew cab, w'shield plr. Standard cab. Extended cab, 3 door. Extended cab 4 door.
4
Body B-Pillar Reinforcement GM
GM Positions: Left
Description: CREW CAB. center pillar.
MSRP $63.93
$61.70
MSRP $63.93
$61.70
4
$13.33
5
Rear Seat Belt Anchor Plate GM
GM Positions: Left
Description: Crew cab. Rear floor pan,anchor plate. Helps provide a strong attachment point for your vehicle's seat belt
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Collision parts are designed to help promote proper and safe repair
MSRP $28.26
$20.18
MSRP $28.26
$20.18
6
Driver Side Inner Rear Rocker Panel GM
GM Positions: Left
Description: Rear. Connects your vehicle's front and rear
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Collision parts are designed to help promote proper and safe repair
MSRP $89.46
$59.82
MSRP $89.46
$59.82
6
Passenger Side Inner Rear Rocker Panel GM
GM Positions: Right
Description: Rear. Connects your vehicle's front and rear
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
Collision parts are designed to help promote proper and safe repair
MSRP $99.19
$66.32
MSRP $99.19
$66.32
7
Driver Side Center Pillar Outer Panel GM
GM Positions: Left
Description: Crew cab. Structural support for your vehicle's center pillar
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
Collision parts are designed to help promote proper and safe repair
MSRP $331.09
$218.40
MSRP $331.09
$218.40
7
Passenger Side Center Pillar Outer Panel GM
GM Positions: Right
Description: Crew cab. Structural support for your vehicle's center pillar
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Collision parts are designed to help promote proper and safe repair
11
11
Rear Floor Pan Rear Extension GM
GM Positions: Right
Description: Crew cab. Rear floor pan,rear extn.
MSRP $63.49
$61.28
MSRP $63.49
$61.28
12
Rear Floor Pan Seal GM
GM Positions: Left
Description: Crew cab. Rear floor pan,seal.
MSRP $13.95
$10.38
MSRP $13.95
$10.38
13
Front Sill GM
GM Positions: Right
Description: Crew cab. #1. Standard cab. Extended cab, 3 door. Extended cab 4 door.
13
Rear Driver Side Floor Panel Outer Reinforcement GM
GM Positions: Left
Description: Crew cab. Rear. Helps secure and support your vehicle's floor pan
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Collision parts are designed to help promote proper and safe repair
MSRP $41.25
$28.33
MSRP $41.25
$28.33
14
Rear Sill GM
GM Description: Standard cab. Extended cab, 3 door. Crew cab. #2. Extended cab 4 door. Without sut.
15
Front Floor Pan Stiffener GM
GM Positions: Right
Description: Crew cab. Standard cab. Extended cab, 3 door. Without sut. Extended cab 4 door. Sedan,.
16
Front Floor Pan Stiffener GM
GM Positions: Left
Description: Crew cab. Extended cab, 3 door. Standard cab. Without sut. Extended cab 4 door. Sedan,.
18
Floor Panel Reinforcement GM
GM Positions: Right
Description: Crew cab. Standard cab. Extended cab, 3 door. Without sut, outer. Extended cab 4 door. , front, outer. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $136.29
$91.13
MSRP $136.29
$91.13
19
Floor Panel Reinforcement GM
GM Positions: Left
Description: Crew cab. Standard cab. Extended cab, 3 door. Without sut, inner. Extended cab 4 door. , front, inner. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
No.
Part # / Description / Price
Price
2
Driver Side Front Door Frame with Reinforcements and Rail GM
GM Positions: Left
Description: Extended cab 4 door. Allows for the vehicle door to be properly aligned
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Collision parts are designed to help promote proper and safe repair
5
Floor Extension GM
GM Positions: Rear left
Description: Extended cab 4 door. Left side only. Extended cab 3 door.
6
Passenger Side Center Pillar Weatherstrip GM
GM Positions: Right
Description: Extended cab 4 door. Extended cab 3 door. Helps prevent the elements from entering your vehicle's interior
Helps reduce road noise
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
7
Driver Side Rocker Inner Panel GM
GM Positions: Left inner
Description: Double cab. Extended cab 4 door. Extended cab 3 door. Connects your vehicle's front and rear
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
Collision parts are designed to help promote proper and safe repair
MSRP $379.97
$249.50
MSRP $379.97
$249.50
8
Driver Side Rocker Inner Panel Front Reinforcement GM
GM Positions: Front left
Description: Extended cab 4 door. front. Extended cab, 3 door, front. Helps secure your vehicle's rocker panel
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
Collision parts are designed to help promote proper and safe repair
MSRP $220.61
$145.53
MSRP $220.61
$145.53
8
Passenger Side Rocker Inner Panel Front Reinforcement GM
GM Positions: Front right
Description: Extended cab 4 door. front. Extended cab 3 door. front. Helps secure your vehicle's rocker panel
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
Collision parts are designed to help promote proper and safe repair
9
Reinforced Panel GM
GM Positions: Rear left
Description: Extended cab 4 door. rear. Extended cab, 3 door, rear.
9
Reinforced Panel GM
GM Positions: Rear right
Description: Extended cab 4 door. rear. Extended cab 3 door. rear.
10
Rear Body Panel Filler Panel GM
GM Positions: Rear left
Description: Extended cab 4 door. Extended cab 3 door.
23
23
Body B-Pillar Reinforcement Bracket GM
GM Positions: Right
Description: Extended cab 4 door. Extended cab 3 door.
24
Body A-Pillar Reinforcement Bracket GM
GM Positions: Left
Description: Extended cab 4 door. Reinforcement. Extended cab 3 door.
No.
Part # / Description / Price
Price
1
Very Dark Pewter Passenger Side Windshield Garnish Molding GM
GM Positions: Right
Notes: PARTS: Order by color and application.
Description: Extended cab headliner & pillars. dark pewter. Standard cab headliner & pillars. dark pewter. Headliner & pillars. with bose audio pewter. Crew cab side & roof. dark pewter. Helps protect and enhance the appearance of your vehicle's windshield
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Collision parts are designed to help promote proper and safe repair
2
Shale Driver Side Sun Visor GM
GM Positions: Left
Notes: PARTS: Order by color and application.
Description: Headliner & components, with sunroof, without lighted mirror, shale. Headliner & pillars. Crew cab side & roof. shale. Helps prevent direct sunlight from obscuring the driver's vision
Matches vehicle's interior trim package
Easily flips up or down
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Collision parts are designed to help promote proper and safe repair
5
Shale Headliner GM
GM Notes: PARTS: Order by color and application.
Description: Standard cab headliner & pillars. shale without gps. Helps finish the appearance of your vehicle's interior roof
Helps with interior noise levels and helps to insulate your vehicle's interior cabin
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Collision parts are designed to help promote proper and safe repair
5
Headliner GM
GM Notes: PARTS: Order by color and application.
Description: Standard cab headliner & pillars. shale with gps.
6
Assist Strap GM
GM Notes: PARTS: Order by color and application.
Description: Standard cab headliner & pillars. graphite. Crew cab, side & roof, mounted on roof, pewter. Headliner & components, without sunroof, pewter. Headliner & components, without sunroof, graphite.
7
Coat Hook GM
GM Positions: Left
Notes: PARTS: Part included with assist strap.
Description: Standard cab headliner & pillars. all. Headliner & components, with sunroof, shale. Headliner & components, with sunroof, pewter.
8
Cowl Trim GM
GM Positions: Left
Notes: PARTS: Order by color and application.
Description: Standard cab, headliner & pillars, shale. Extended cab headliner & pillars. shale. Crew cab side & roof. shale.
9
Trim Panel GM
GM Positions: Left
Notes: PARTS: Order by color and application.
Description: Standard cab headliner & pillars. body side neutral.
9
Very Dark Pewter Driver Side Body Side Rear Trim Panel GM
GM Positions: Right
Notes: PARTS: Order by color and application.
Description: Standard cab headliner & pillars. body side dark pewter. Helps define the appearance of your vehicle's interior
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Collision parts are designed to help promote proper and safe repair
9
Trim Panel GM
GM Positions: Right
Notes: PARTS: Order by color and application.
Description: Standard cab headliner & pillars. body side neutral.
MSRP $104.77
$69.77
MSRP $104.77
$69.77
9
Trim Panel GM
GM Positions: Left
Notes: PARTS: Order by color and application.
Description: Standard cab headliner & pillars. body side dark pewter.
9
Driver Side Body Side Outer Panel GM
GM Positions: Left
Description: Extended cab 4 door. Helps to define the vehicle's appearance
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Collision parts are designed to help promote proper and safe repair
9
Passenger Side Body Side Outer Panel GM
GM Positions: Right
Description: Extended cab 4 door. Extended cab 3 door. Helps to define the vehicle's appearance
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Collision parts are designed to help promote proper and safe repair
10
Multi-Purpose Clip GM
GM Positions: Left
Description: Upper trim,retainer. Lock pillar trim,fastener. Headliner & pillars. Body side trim,retainer. Regular cab pillars & floor. Lock pillar trim,clip. Crew cab pillars & floor. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $11.06
$7.81
MSRP $11.06
$7.81
11
MSRP $4.65
$3.39
12
Rear Glass Molding GM
GM Notes: PARTS: Order by color and application.
Description: Standard cab headliner & pillars. neutral.
12
Rear Glass Molding GM
GM Notes: PARTS: Order by color and application.
Description: Standard cab headliner & pillars. dark pewter.
MSRP $113.32
MSRP $113.32
13
Rear Trim Panel GM
GM Notes: PARTS: Order by color and application.
Description: Standard cab headliner & pillars. neutral.
13
Rear Trim Panel GM
GM Notes: PARTS: Order by color and application.
Description: Standard cab headliner & pillars. dark pewter.
14
Medium Neutral Front Passenger Side Door Sill Trim Plate GM
GM Positions: Right
Notes: PARTS: Order by color and application.
Description: Front door, neutral. Avalanche, neutral. Standard cab headliner & pillars. neurtal. Crew cab side & roof. front neutral. Helps enhance the appearance of your vehicle's interior threshold
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Collision parts are designed to help promote proper and safe repair
14
Very Dark Pewter Front Passenger Side Door Sill Trim Plate GM
GM Positions: Right
Notes: PARTS: Order by color and application.
Description: Avalanche, pewter. CREW CAB SIDE & ROOF. front dark pewter. Standard cab headliner & pillars. dark pewter. Helps enhance the appearance of your vehicle's interior threshold
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Collision parts are designed to help promote proper and safe repair
14
Medium Neutral Driver Side Front Door Sill Trim Plate GM
GM Positions: Left
Notes: PARTS: Order by color and application.
Description: Front door, neutral. Avalanche, neutral. Standard cab headliner & pillars. neurtal. Crew cab side & roof. front neutral. Helps enhance the appearance of your vehicle's interior threshold
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Collision parts are designed to help promote proper and safe repair
15
Rear Side Door Sill Trim Plate Bracket GM
GM Positions: Left
Description: Headliner & pillars. Helps align and secure your vehicle's door sill plate
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Collision parts are designed to help promote proper and safe repair
MSRP $26.71
$19.15
MSRP $26.71
$19.15
15
17
Floor Panel Mat GM
GM Description: Standard cab headliner & pillars. with rubber mat. Provides optimal traction and grip between the floor and shoes
Easy to clean
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Collision parts are designed to help promote proper and safe repair
17
Floor Cover GM
GM Notes: PARTS: Order by color and application.
Description: Standard cab headliner & pillars. with carpet neutral.
17
Floor Cover GM
GM Notes: PARTS: Order by color and application.
Description: Standard cab headliner & pillars. with carpet dark pewter.
Related Parts
Part # / Description / Price
Price
Rear Side Door Weatherstrip GM
GM Positions: Left
Description: Crew cab. Weatherstrip. Helps prevent the elements from entering your vehicle's interior
Helps reduce road noise
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Side Door Weatherstrip GM
GM Positions: Left
Description: Extended cab, 3 door. Weatherstrip. Extended cab 4 door. CREW CAB. front door. Helps prevent the elements from entering your vehicle's interior
Helps reduce road noise
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors