Rear Floor & Rails for 2025 GMC Yukon XL
No.
Part # / Description / Price
Price
2
Rear Driver Side Floor Panel Filler 
GM
GM Positions: Left
Description: Helps define the appearance of your vehicle's rear body 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 $59.59
$42.88
MSRP $59.59
$42.88
3
Underbody Rear Cross Sill GM
GM Description: Helps support and strengthen your vehicle's floor 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 $60.08
$43.23
MSRP $60.08
$43.23
4
Underbody Rear Cross Sill GM
GM Description: Helps support and strengthen your vehicle's floor 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 $52.41
$37.71
MSRP $52.41
$37.71
5
Driver Side Underbody Rear Side Rail Outrigger GM
GM Positions: Left
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $31.16
$22.89
MSRP $31.16
$22.89
5
Passenger Side Underbody Rear Side Rail Outrigger GM
GM Positions: Right
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $31.16
$22.89
MSRP $31.16
$22.89
6
Rear Compartment Floor Panel Rear Rail GM
GM Description: Helps strengthen and support your vehicle's underbody
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 $9.89
$7.36
MSRP $9.89
$7.36
7
Driver Side Underbody Rear Side Rail GM
GM Positions: Left
Description: Helps strengthen and support your vehicle's underbody
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 $68.74
$48.84
MSRP $68.74
$48.84
7
Passenger Side Underbody Rear Side Rail GM
GM Positions: Right
Description: Helps strengthen and support your vehicle's underbody
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 $140.15
$98.32
MSRP $140.15
$98.32
8
Driver Side Underbody Rear Side Rail Extension GM
GM Positions: Left
Notes: PARTS: Part included with lower rail.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $20.37
$14.96
MSRP $20.37
$14.96
8
Passenger Side Underbody Rear Side Rail Extension GM
GM Positions: Right
Notes: PARTS: Part included with lower rail.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $20.37
$14.96
MSRP $20.37
$14.96
9
Underbody Number 5 Cross Sill Reinforcement GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $30.68
$22.54
MSRP $30.68
$22.54
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