Structural Components & Rails for 2026 GMC Sierra EV
No.
Part # / Description / Price
Price
4
MSRP $420.07
$251.44
6
$77.83
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 $42.78
$22.46
MSRP $42.78
$22.46
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.
$36.86
$36.86
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.
$30.66
$30.66
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.
$27.38
$27.38
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.
$79.82
$79.82
12
Extension Upper Extension GM
GM Positions: Front right lower
Description: Apron & rails, 2nd design. Apron & rails, all. Apron & rails, with detriot built.
$18.13
$18.13
13
$239.77
13
$451.50
14
MSRP $41.53
$26.27
14
MSRP $41.53
$26.27
16
$16.90
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.
$164.52
$164.52
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.
$152.64
$152.64
21
$44.78
21
$44.78
23
$22.10
23
$22.18
