Structural Components & Rails for 2026 GMC Sierra EV
No.
Part # / Description / Price
Price
4
MSRP $420.07
$263.44
6
$80.76
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
$23.72
MSRP $41.62
$23.72
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.
$38.93
$38.93
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.
$32.38
$32.38
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.
$28.92
$28.92
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.
$82.84
$82.84
12
Extension Upper Extension GM
GM Positions: Front right lower
Description: Apron & rails, 2nd design. Apron & rails, all. Apron & rails, with detriot built.
$20.16
$20.16
13
$244.37
13
$481.08
14
MSRP $40.40
$27.75
14
MSRP $40.40
$27.75
16
$18.79
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.
$167.67
$167.67
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.
$155.57
$155.57
21
$47.30
21
$47.30
23
$23.35
23
$23.43
