Structural Components & Rails for 2026 GMC Sierra EV
No.
Part # / Description / Price
Price
4
MSRP $420.07
$262.24
6
$78.78
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
$22.71
MSRP $41.62
$22.71
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.
$37.27
$37.27
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.
$31.00
$31.00
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.
$27.69
$27.69
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.
$80.80
$80.80
12
Extension Upper Extension GM
GM Positions: Front right lower
Description: Apron & rails, 2nd design. Apron & rails, all. Apron & rails, with detriot built.
$18.31
$18.31
13
$243.25
13
$460.16
14
MSRP $40.40
$26.57
14
MSRP $40.40
$26.57
16
$17.07
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.
$166.91
$166.91
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.
$154.87
$154.87
21
$45.29
21
$45.29
23
$22.35
23
$22.43
