Suspension, Springs & Related Components for 2021 Cadillac XT4
1. Knuckle 
2. Shock 
3. Stabilizer Bar 
4. Stabilizer Bar 
5. Suspension Cross-member 
6. Knuckle Dust Shield 
7. Strut 
8. Knuckle 
9. Shock 
10. Upper Rail 
11. Suspension Stabilizer Bar Link 
12. Stabilizer Link 
13. Stabilizer Link 
14. Stabilizer Link 
15. Suspension Stabilizer Bar Link 16. Alignment Camber Adjusting Eccentric No.
Part # / Description / Price
Price
1
Knuckle 
GM
GM Positions: Right
Description: LaCrosse. XT4. 2021-26. Envision. Awd. Regal TourX. Right. Regal Sportback. Fwd. Code bfs, bfa.
MSRP $248.02 CAD
$182.23 CAD
MSRP $248.02 CAD
$182.23 CAD
3
Knuckle Dust Shield GM
GM Positions: Rear
Description: Fwd. Without awd. 2021-23.
MSRP $8.27 CAD
$6.31 CAD
MSRP $8.27 CAD
$6.31 CAD
5
Upper Control Arm GM
GM Positions: Left
Notes: PARTS: Part has related components that cannot be reused/reinstalled; outer bolt and inner bolt.
Description: LaCrosse. XT4. 2021-26. Envision. Awd. 2021-23. Regal TourX. Regal Sportback. Fwd.
MSRP $216.73 CAD
$159.25 CAD
MSRP $216.73 CAD
$159.25 CAD
6
Lateral Arm Outer Bolt GM
GM Positions: Left
Notes: PARTS: Part cannot be reused/reinstalled.
Description: 2021-26. Rear drive unit mounting. High voltage, m12x116. Without awd. Fwd, with variable dampening. With AWD. outer.
MSRP $6.18 CAD
$4.72 CAD
MSRP $6.18 CAD
$4.72 CAD
7
Upper Control Arm Inner Bolt GM
GM Positions: Left
Notes: PARTS: Part cannot be reused/reinstalled.
Description: Fwd, outer. 2016-20. Awd, outer. 2021-26. 2021-23. With rear steering. With AWD. inner.
MSRP $6.24 CAD
$4.80 CAD
MSRP $6.24 CAD
$4.80 CAD
8
MSRP $6.99 CAD
$5.33 CAD
9
Lower Control Arm GM
GM Positions: Left
Notes: PARTS: Part has related components that cannot be reused/reinstalled; front bolt and rear bolt.
Description: XT4. Envision. Awd. 2021-23. 2021-26. Fwd.
MSRP $202.96 CAD
$149.16 CAD
MSRP $202.96 CAD
$149.16 CAD
10
Lower Control Arm Front Bolt GM
GM Positions: Left
Notes: PARTS: Part cannot be reused/reinstalled.
Description: Awd, 14mm. Fwd. 2021-23, 14mm. 2021-26, 14mm. With AWD. outer.
MSRP $6.37 CAD
$5.06 CAD
MSRP $6.37 CAD
$5.06 CAD
11
Shock Lower Bolt GM
GM Positions: Left
Notes: PARTS: Part cannot be reused/reinstalled.
Description: 2016-20. Fwd, 12x1.75x86mm. Awd, 12mm. 1.3L turbo, fwd, type 2. 2021-23, 12mm. 2021-26. 1.2L turbo, m12x86mm. Awd, with variable dampening. Fwd, with variable dampening.
MSRP $12.21 CAD
$9.33 CAD
MSRP $12.21 CAD
$9.33 CAD
12
Lower Control Arm Rear Bolt GM
GM Positions: Left
Notes: PARTS: Part cannot be reused/reinstalled.
Description: 2021-26. Awd. 2021-23. Fwd.
MSRP $17.58 CAD
$13.42 CAD
MSRP $17.58 CAD
$13.42 CAD
13
Lower Control Arm Nut GM
GM Positions: Left
Description: Fwd, front, 14x2,27.5mm. Awd, front, 14mm. 2021-26, front, 14mm. 2021-23, front, 14mm. With AWD. outer.
MSRP $8.74 CAD
$6.93 CAD
MSRP $8.74 CAD
$6.93 CAD
15
MSRP $6.16 CAD
$4.73 CAD
16
Lower Control Arm Washer GM
GM Positions: Left
Description: 2021-26. Awd. 2021-23. Fwd.
MSRP $6.78 CAD
$5.20 CAD
MSRP $6.78 CAD
$5.20 CAD
17
Trailing Arm GM
GM Positions: Left
Notes: PARTS: Part has related components that cannot be reused/reinstalled; outer bolt and inner bolt.
Description: LaCrosse. Left. XT4. Upper. 2021-26. Envision. Awd. Regal TourX. Regal Sportback. Fwd.
MSRP $212.19 CAD
$155.88 CAD
MSRP $212.19 CAD
$155.88 CAD
17
Trailing Arm GM
GM Positions: Right
Notes: PARTS: Part has related components that cannot be reused/reinstalled; outer bolt and inner bolt.
MSRP $214.25 CAD
$157.45 CAD
MSRP $214.25 CAD
$157.45 CAD
18
Upper Control Arm Outer Bolt GM
GM Positions: Left
Notes: PARTS: Part cannot be reused/reinstalled.
Description: 2021-26. Fwd. 2021-23. Sedan,. With AWD. outer.
MSRP $6.26 CAD
$4.95 CAD
MSRP $6.26 CAD
$4.95 CAD
19
Trailing Arm Bolt GM
GM Positions: Inner
Description: 2021-26. Fwd. 2021-23. 2.0L turbo, #1. 3.6L, with awd. With bison. 2.4L, 12x70mm. Without rear steering. With AWD. inner.
MSRP $5.99 CAD
$4.60 CAD
MSRP $5.99 CAD
$4.60 CAD
21
Suspension Trailing Arm Washer GM
GM Positions: Left
Description: Fwd. Without awd. 2021-26. 2021-23. Outer.
MSRP $6.81 CAD
$5.36 CAD
MSRP $6.81 CAD
$5.36 CAD
22
Lower Arm GM
GM Positions: Left
Notes: PARTS: Part has related components that cannot be reused/reinstalled; outer bolt and inner bolt.
Description: LaCrosse. XT4. Lower. 2021-26. Envision. Awd. 2021-23. Regal TourX. Regal Sportback. Fwd.
MSRP $159.90 CAD
$122.21 CAD
MSRP $159.90 CAD
$122.21 CAD
24
Lower Control Arm Mount Bolt GM
GM Positions: Left
Notes: PARTS: Part cannot be reused/reinstalled.
MSRP $9.78 CAD
$7.46 CAD
MSRP $9.78 CAD
$7.46 CAD
26
Link Rod GM
GM Positions: Left
Notes: PARTS: Part has related components that cannot be reused/reinstalled; outer bolt and inner bolt.
Description: LaCrosse. Left. XT4. Fwd. Awd. Envision. Regal TourX. 2021-26. 2021-23. Regal Sportback.
MSRP $369.18 CAD
$230.74 CAD
MSRP $369.18 CAD
$230.74 CAD
26
Link Rod GM
GM Positions: Right
Notes: PARTS: Part has related components that cannot be reused/reinstalled; outer bolt and inner bolt.
Description: LaCrosse. Right. XT4. Fwd. Awd. Envision. Regal TourX. 2021-26. 2021-23. Regal Sportback.
MSRP $171.23 CAD
$125.81 CAD
MSRP $171.23 CAD
$125.81 CAD
27
Rear Upper Control Arm Bolt GM
GM Positions: Left
Notes: PARTS: Part cannot be reused/reinstalled.
MSRP $12.60 CAD
$9.63 CAD
MSRP $12.60 CAD
$9.63 CAD
28
Link Rod Bolt GM
GM Positions: Left
Notes: PARTS: Part cannot be reused/reinstalled.
Description: Fwd, inner. 2021-26. 2021-23. With AWD. inner.
MSRP $13.84 CAD
$10.57 CAD
MSRP $13.84 CAD
$10.57 CAD
30
Linkage Assembly Washer GM
GM Positions: Left
Description: Without awd. 2021-26. With awd, inner. 2021-23, inner. Fwd. With rear steering.
MSRP $7.09 CAD
$5.45 CAD
MSRP $7.09 CAD
$5.45 CAD