Rear Floor & Rails for 2025 GMC Yukon XL
No.
Part # / Description / Price
Price
2
2021-2024 GM - 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
$39.76
MSRP $59.59
$39.76
3
2021-2024 GM - 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
$40.08
MSRP $60.08
$40.08
4
2021-2024 GM - 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
$34.96
MSRP $52.41
$34.96
5
2021-2024 GM - 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
$21.54
MSRP $31.16
$21.54
5
2021-2024 GM - 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
$21.54
MSRP $31.16
$21.54
6
2021-2024 GM - 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
$7.45
MSRP $9.89
$7.45
7
2021-2024 GM - 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
$45.86
MSRP $68.74
$45.86
7
2021-2024 GM - 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
$92.16
MSRP $140.15
$92.16
8
2021-2024 GM - 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
$14.08
MSRP $20.37
$14.08
8
2021-2024 GM - 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
$14.08
MSRP $20.37
$14.08
9
2021-2024 GM - 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
$21.21
MSRP $30.68
$21.21
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