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
$40.93
MSRP $59.59
$40.93
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
$41.26
MSRP $60.08
$41.26
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
$35.99
MSRP $52.41
$35.99
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
$22.52
MSRP $31.16
$22.52
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
$22.52
MSRP $31.16
$22.52
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
$7.15
MSRP $9.89
$7.15
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
$47.21
MSRP $68.74
$47.21
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
$93.72
MSRP $140.15
$93.72
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
$14.72
MSRP $20.37
$14.72
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
$14.72
MSRP $20.37
$14.72
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
$22.18
MSRP $30.68
$22.18
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