2023 Cadillac XT4 Rear Floor & Rails

Currently shopping for
2023 Cadillac XT4
Change Vehicle
Vehicle Options
4 Cyl 2.0 L GAS
Vehicle Options
4 Cyl 2.0 L GAS
2 diagrams found for the vehicle you selected.Select your vehicle options to narrow down results.
  • 1.Rear Body & Floor - Floor & Rails (Floor & Components)
    2023 Cadillac XT4 Rear Floor & Rails Diagram 1 - Thumbnail
  • 2.Rear Body & Floor - Floor & Rails (Rails & Components)
    2023 Cadillac XT4 Rear Floor & Rails Diagram 2 - Thumbnail
Sort by:
Ref No.
Ref No.
Part No. & Part Description
Price & Qty.
Part No. &
Part Description
  • 1 Cadillac 84751747 Rear Floor Pan
    84751747
    Rear Floor Pan
    Panel Assembly-Rear Floor
    • Part Notes: Floor & Components
    MSRP: $1040.64 Your Price: $692.93
    1
    Add To Cart
  • 1 Cadillac 84487016 Upper Rail
    84487016
    Upper Rail
    Rail Assembly-Underbody Rear Side
    • Part Notes: Rails & Components
    • Location: Passenger Side
    • Replaced By: 84655258
    MSRP: $590.82 Your Price: $395.18
    1
    Add To Cart
  • 1 Cadillac 84655257 Upper Rail
    84655257
    Upper Rail
    Rail Assembly-Underbody Rear Side
    • Part Notes: Rails & Components
    • Location: Driver Side
    MSRP: $561.86 Your Price: $375.81
    1
    Add To Cart
  • 3 Cadillac 84663420 Center Crossmember
    84663420
    Center Crossmember
    Bar, Floor Pan
    • Part Notes: Floor & Components, Lower, Front
    MSRP: $63.20 Your Price: $42.46
    1
    Add To Cart
  • 3 Cadillac 23371874 Rail Support
    23371874
    Rail Support
    Rail-Rear Compartment Floor Panel
    • Part Notes: Rails & Components, Rear Compartment Panel, Rear
    • Location: Driver Side
    MSRP: $38.19 Your Price: $25.66
    1
    Add To Cart
  • 3 Cadillac 23371876 Rail Support
    23371876
    Rail Support
    Rail-Rear Compartment Floor Panel
    • Part Notes: Rails & Components, Rear Compartment Panel, Rear
    • Location: Passenger Side
    MSRP: $38.19 Your Price: $25.66
    1
    Add To Cart
  • 4 Cadillac 23362265 Center Crossmember
    23362265
    Center Crossmember
    Bar Assembly-Floor Panel #6 Cross
    • Part Notes: Floor & Components, Lower, Rear
    • Replaced By: 84565803
    MSRP: $95.74 Your Price: $64.32
    1
    Add To Cart
  • 4 Cadillac 84105752 Rail Support Bracket
    84105752
    Rail Support Bracket
    Bracket, Rear Wheelhouse
    • Part Notes: Rails & Components
    • Location: Passenger Side
    MSRP: $44.23 Your Price: $29.71
    1
    Add To Cart
  • 5 Cadillac 84480196 Rail Support Brace
    84480196
    Rail Support Brace
    Brace-Rear Compartment Panel
    • Part Notes: Rails & Components, Lower
    • Location: Driver Side
    MSRP: $35.06 Your Price: $23.55
    1
    Add To Cart
  • 5 Cadillac 84480197 Rail Support Brace
    84480197
    Rail Support Brace
    Brace-Rear Compartment Panel
    • Part Notes: Rails & Components, Lower
    • Location: Passenger Side
    MSRP: $35.06 Your Price: $23.55
    1
    Add To Cart
  • 6 Cadillac 84480185 Extension
    84480185
    Extension
    Extension, Floor Pan
    • Part Notes: Floor & Components, Front
    • Location: Driver Side
    MSRP: $19.80 Your Price: $13.31
    1
    Add To Cart
  • 6 Cadillac 84480186 Extension
    84480186
    Extension
    Extension, Floor Pan
    • Part Notes: Floor & Components, Front
    • Location: Passenger Side
    MSRP: $21.59 Your Price: $14.50
    1
    Add To Cart
  • 6 Cadillac 23371930 Rail Support Brace
    23371930
    Rail Support Brace
    Brace-Rear Compartment Panel
    • Part Notes: Rails & Components, Upper
    • Location: Driver Side
    MSRP: $22.14 Your Price: $14.87
    1
    Add To Cart
  • 6 Cadillac 23371933 Rail Support Brace
    23371933
    Rail Support Brace
    Brace-Rear Compartment Panel
    • Part Notes: Rails & Components, Upper
    • Location: Passenger Side
    MSRP: $35.74 Your Price: $24.01
    1
    Add To Cart
  • 7 Cadillac 84036666 Extension
    84036666
    Extension
    Extension, Floor Pan
    • Part Notes: Floor & Components, Center
    • Location: Driver Side
    MSRP: $19.64 Your Price: $13.19
    1
    Add To Cart
  • 7 Cadillac 84036667 Extension
    84036667
    Extension
    Extension, Floor Pan
    • Part Notes: Floor & Components, Center
    • Location: Passenger Side
    MSRP: $51.68 Your Price: $34.72
    1
    Add To Cart
  • 7 Cadillac 84786436 Inner Wheelhouse
    84786436
    Inner Wheelhouse
    Panel, Rear Wheelhouse
    • Part Notes: Rails & Components
    • Location: Driver Side
    • Replaced By: 42846790
    MSRP: $560.00 Your Price: $374.56
    1
    Add To Cart
  • 7 Cadillac 84786441 Inner Wheelhouse
    84786441
    Inner Wheelhouse
    Panel, Rear Wheelhouse
    • Part Notes: Rails & Components
    • Location: Passenger Side
    • Replaced By: 42846791
    MSRP: $408.75 Your Price: $273.40
    1
    Add To Cart
  • 8 Cadillac 84480187 Extension
    84480187
    Extension
    Extension, Floor Pan
    • Part Notes: Floor & Components, Rear
    • Location: Driver Side
    MSRP: $22.60 Your Price: $15.19
    1
    Add To Cart
  • 8 Cadillac 84480188 Extension
    84480188
    Extension
    Extension, Floor Pan
    • Part Notes: Floor & Components, Rear
    • Location: Passenger Side
    MSRP: $72.71 Your Price: $48.85
    1
    Add To Cart
  • 8 Cadillac 84368389 Inner Wheelhouse Brace
    84368389
    Inner Wheelhouse Brace
    Brace-Rear Compartment Panel
    • Part Notes: Rails & Components
    • Location: Driver Side
    MSRP: $53.53 Your Price: $35.96
    1
    Add To Cart
  • 8 Cadillac 84368390 Inner Wheelhouse Brace
    84368390
    Inner Wheelhouse Brace
    Brace-Rear Compartment Panel
    • Part Notes: Rails & Components
    • Location: Passenger Side
    MSRP: $25.09 Your Price: $16.86
    1
    Add To Cart
  • 9 Cadillac 22975440 Extension
    22975440
    Extension
    Extension-Floor Panel #6 Cross Bar
    • Part Notes: Rails & Components, Upper
    • Location: Passenger Side
    MSRP: $25.81 Your Price: $17.34
    1
    Add To Cart
  • 9 Cadillac 84093845 Extension
    84093845
    Extension
    Extension-Floor Panel #6 Cross Bar
    • Part Notes: Rails & Components, Upper
    • Location: Driver Side
    MSRP: $24.00 Your Price: $16.13
    1
    Add To Cart
  • 9 Cadillac 23371842 Extension Reinforcement
    23371842
    Extension Reinforcement
    Reinforcement-Floor Panel #5 Cross Bar
    • Part Notes: Floor & Components
    • Location: Driver Side
    MSRP: $44.24 Your Price: $29.72
    1
    Add To Cart
  • 9 Cadillac 23371843 Extension Reinforcement
    23371843
    Extension Reinforcement
    Reinforcement-Floor Panel #5 Cross Bar
    • Part Notes: Floor & Components
    • Location: Passenger Side
    MSRP: $48.23 Your Price: $32.40
    1
    Add To Cart
  • 10 Cadillac 23371445 Extension
    23371445
    Extension
    Extension, Floor Pan
    • Part Notes: Rails & Components, Lower
    • Location: Driver Side
    MSRP: $40.86 Your Price: $27.45
    1
    Add To Cart
  • 10 Cadillac 23371454 Extension
    23371454
    Extension
    Extension, Floor Pan
    • Part Notes: Rails & Components, Lower
    • Location: Passenger Side
    MSRP: $86.57 Your Price: $58.16
    1
    Add To Cart
  • 11 Cadillac 23371815 Extension Reinforcement
    23371815
    Extension Reinforcement
    Extension, Door Opening Rocker Panel
    • Part Notes: Rails & Components
    • Location: Driver Side
    MSRP: $49.26 Your Price: $33.10
    1
    Add To Cart
  • 11 Cadillac 23371818 Extension Reinforcement
    23371818
    Extension Reinforcement
    Extension, Door Opening Rocker Panel
    • Part Notes: Rails & Components
    • Location: Passenger Side
    MSRP: $46.96 Your Price: $31.55
    1
    Add To Cart
  • 12 Cadillac 22975450 Extension Seat
    22975450
    Extension Seat
    Seat, Rear Spring
    • Part Notes: Rails & Components
    • Location: Passenger Side
    MSRP: $42.04 Your Price: $28.25
    1
    Add To Cart
  • 12 Cadillac 22975451 Extension Seat
    22975451
    Extension Seat
    Seat, Rear Spring
    • Part Notes: Rails & Components
    • Location: Driver Side
    MSRP: $40.77 Your Price: $27.40
    1
    Add To Cart
  • 14 Cadillac 23371453 Lower Rail Extension
    23371453
    Lower Rail Extension
    Extension, Floor Pan
    • Part Notes: Rails & Components, Inner
    • Location: Passenger Side
    MSRP: $52.06 Your Price: $34.98
    1
    Add To Cart
  • 15 Cadillac 84392640 Lower Rail Extension
    84392640
    Lower Rail Extension
    Extension, Floor Pan
    • Part Notes: Rails & Components, Outer
    • Location: Driver Side
    MSRP: $37.76 Your Price: $25.37
    1
    Add To Cart
  • 15 Cadillac 84392641 Lower Rail Extension
    84392641
    Lower Rail Extension
    Extension, Floor Pan
    • Part Notes: Rails & Components, Outer
    • Location: Passenger Side
    MSRP: $37.76 Your Price: $25.37
    1
    Add To Cart
  • 16 Cadillac 23371814 Lower Rail Reinforcement
    23371814
    Lower Rail Reinforcement
    Extension, Door Opening Rocker Panel
    • Part Notes: Rails & Components
    • Location: Driver Side
    MSRP: $15.59 Your Price: $10.47
    1
    Add To Cart
  • 18 Cadillac 23371867 Lower Rail Support
    23371867
    Lower Rail Support
    Support, Rear Wheel
    • Part Notes: Rails & Components
    • Location: Passenger Side
    MSRP: $55.59 Your Price: $37.35
    1
    Add To Cart