Structural Components & Rails for 2026 GMC Sierra EV
No.
Part # / Description / Price
Price
4
MSRP $420.07
$323.31
6
$97.35
11
Guide Bracket 
GM
GM Positions: Right
Notes: PARTS: Part listed for estimating purposes only. Contact local dealer for specific part number and pricing.
Description: Apron & rails.
$46.10
$46.10
11
Extension Upper Extension GM
GM Positions: Left
Notes: PARTS: Part included with extension. Part listed for estimating purposes only. Contact local dealer for specific part number and pricing.
Description: Apron & rails.
MSRP $41.62
$28.09
MSRP $41.62
$28.09
12
Extension GM
GM Positions: Right
Notes: PARTS: Part listed for estimating purposes only. Contact local dealer for specific part number and pricing.
Description: Apron & rails.
12
Extension Lower Plate GM
GM Positions: Left
Notes: PARTS: Part listed for estimating purposes only. Contact local dealer for specific part number and pricing.
Description: Apron & rails.
$38.34
$38.34
12
Extension Upper Extension GM
GM Positions: Front right lower
Description: Apron & rails, 2nd design. Apron & rails, all. Apron & rails, with detriot built.
$22.68
$22.68
12
Extension Reinforcement GM
GM Positions: Front left lower
Description: Apron & rails, 1st design. Apron & rails, 2nd design. Apron & rails, all. Apron & rails, with detriot built.
$99.85
$99.85
13
$564.75
13
$299.90
14
MSRP $40.40
$32.86
14
MSRP $40.40
$32.86
16
$21.14
18
Front Support Bracket GM
GM Positions: Right
Notes: PARTS: Part listed for estimating purposes only. Contact local dealer for specific part number and pricing.
Description: Apron & rails.
$205.78
$205.78
18
Front Support Bracket GM
GM Positions: Left
Notes: PARTS: Part listed for estimating purposes only. Contact local dealer for specific part number and pricing.
Description: Apron & rails.
$190.93
$190.93
21
$56.01
23
$27.74
25
F (S)Mount GM
GM Positions: Front
Description: Without air suspension. Silverado EV. Exc.Air Suspension.
MSRP $121.12
$81.76
MSRP $121.12
$81.76