Hardware, Fasteners & Fittings for 2021 GMC Sierra 1500
1. Outer Belt Assembly 
2. Windshield Pillar Trim 
3. Bumper Cover 
4. Rear Bumper 
5. Fender 
6. Hood 
7. Headliner 
8. Lower Cover 
9. Console Assembly 
10. Lower Cover 
11. Front 
12. Door Trim Panel 
13. Lock Pillar Trim 
14. Door Shell 
15. Molded Assist Steps, Black 
16. Rear 
17. Armrest Assembly 
18. Box Assembly 
19. Nameplate 
20. Work Step Assist Steps - Black - Crew Cab 
21. Console Assembly 
22. Molded Assist Steps - Black - Double Cab 
23. Front 
24. Door Shell 
25. Trailer Hitch 
26. Mount Cushion 
27. Front 
28. Lock Pillar Trim 
29. Armrest Assembly 
30. Nameplate 
31. Headrest 
32. Windshield Pillar Trim 
33. Trailer Hitch 
34. Belt Molding 
35. Tail Gate 
36. Multi Switch 
37. Nameplate 
38. Inst Cluster 
39. Bumper Cover Bolt 
40. Mirror Assembly 
41. Bumper Cover Bolt 
42. Grille Bolt 
43. Steering Wheel 
44. Horn 
45. Bumper Cover Bolt 
46. Bumper Cover Bolt 
47. Bumper Cover Bolt 
48. Headliner 
49. Bumper Cover Bolt 
50. Grille Bolt 
51. Grille Surround Bolt 
52. Quarter Panel Splash Shield Bolt 
53. Bumper Cover Bolt 
54. Quarter Panel Splash Shield Bolt 
55. Bumper Cover Bolt 
56. Bumper Cover Bolt 
57. Hole Cover Bolt 
58. Bumper Cover Bolt 
59. Handle, Outside 
60. Inner Rocker 
61. Fender Liner Bolt 
62. Headrest Guide 
63. Fender Liner Bolt 
64. Air Deflector Bolt 
65. Frame Assembly 
66. Fender Liner Extension Bolt 67. Cowl Cover Clip No.
Part # / Description / Price
Price
1
Headrest 
GM
GM Positions: Right
Description: Without POWER. cloth black, (H1T).
MSRP $169.68 CAD
$114.27 CAD
MSRP $169.68 CAD
$114.27 CAD
1
Headrest GM
GM Positions: Right
Description: With power, without ventilated, cloth, black. Without POWER. cloth black, (H0U).
MSRP $177.64 CAD
$119.64 CAD
MSRP $177.64 CAD
$119.64 CAD
1
MSRP $173.16 CAD
$116.63 CAD
1
MSRP $176.34 CAD
$118.77 CAD
1
Headrest, Outer GM
GM Positions: Rear outer
Description: Crew cab, without storage compartment, vinyl. DOUBLE CAB. vinyl black.
MSRP $187.09 CAD
$125.99 CAD
MSRP $187.09 CAD
$125.99 CAD
1
Headrest, Center GM
GM Positions: Rear center
Description: Crew cab, without storage compartment, vinyl. With storage compartment, seat back, leather, at4, black/kalahari. Crew cab, with storage compartment, leather, slt, black. Crew cab, without storage compartment, leather, black. Crew cab, with storage compartment, leather, at4, black/kalahari. With storage compartment, seat back, leather, slt, black. Crew cab, with storage compartment, leather, with high country, black/umber. Double cab, leather, black. DOUBLE CAB. vinyl black.
MSRP $126.63 CAD
$86.42 CAD
MSRP $126.63 CAD
$86.42 CAD
1
Headrest, Center GM
GM Positions: Rear center
Description: Crew cab, without storage compartment, vinyl, gideon. Crew cab, with storage compartment, leather, slt, gideon. Crew cab, with storage compartment, leather, without high country, gideon. With storage compartment, seat back, leather, slt, gideon. DOUBLE CAB. leather gideon.
MSRP $131.75 CAD
$89.92 CAD
MSRP $131.75 CAD
$89.92 CAD
1
Headrest, Center GM
GM Positions: Rear center
Description: With storage compartment, seat back, leather, at4, black/kalahari. Crew cab, with storage compartment, leather, at4, black/kalahari. DOUBLE CAB. black/kalahari.
MSRP $126.04 CAD
$86.03 CAD
MSRP $126.04 CAD
$86.03 CAD
1
Headrest, Center GM
GM Positions: Rear center
Description: Double cab, cloth, black (h1t). Crew cab, without storage compartment, cloth, black. Double cab. cloth black (hit).
MSRP $130.00 CAD
$88.73 CAD
MSRP $130.00 CAD
$88.73 CAD
1
Headrest, Center GM
GM Positions: Rear center
Description: Crew cab, without storage compartment, cloth, gideon. DOUBLE CAB. cloth gideon.
MSRP $130.00 CAD
$88.73 CAD
MSRP $130.00 CAD
$88.73 CAD
1
Headrest, Center GM
GM Positions: Rear center
Description: Crew cab, with storage compartment, cloth, black. Double cab. cloth black (h0u).
MSRP $133.36 CAD
$91.02 CAD
MSRP $133.36 CAD
$91.02 CAD
1
Headrest, Outer GM
GM Positions: Rear outer
Description: Crew cab, with storage compartment, leather, without high country, without zr2, gideon. Crew cab, without storage compartment, cloth, gideon. With storage compartment, seat back, leather, slt, gideon. Crew cab, with storage compartment, leather, slt, gideon. DOUBLE CAB. leather gideon.
MSRP $205.96 CAD
$138.71 CAD
MSRP $205.96 CAD
$138.71 CAD
1
Headrest, Outer GM
GM Positions: Rear outer
Description: Crew cab, without storage compartment, cloth, gideon. With storage compartment, seat back, cloth, gideon. DOUBLE CAB. cloth gideon.
MSRP $193.27 CAD
$130.14 CAD
MSRP $193.27 CAD
$130.14 CAD
1
Headrest, Outer GM
GM Positions: Rear outer
Description: Crew cab, with storage compartment, cloth, black. Double cab. cloth black (h0u).
MSRP $216.25 CAD
$145.65 CAD
MSRP $216.25 CAD
$145.65 CAD
1
Headrest, Outer GM
GM Positions: Rear outer
Description: Double cab, leather, black/kalahari. With storage compartment, seat back, leather, at4, black/kalahari. Crew cab, with storage compartment, leather, at4, black/kalahari.
MSRP $232.00 CAD
$156.21 CAD
MSRP $232.00 CAD
$156.21 CAD
2
Headrest Guide GM
GM Positions: Right
Description: With flat-folding seat. Manual seat. 2014-17, passenger seat. Seat back with power, with 4-way lumbar with sport seat. With 8-way power. black. 2014-17 driver seat. Without POWER. with bezel black.
MSRP $55.65 CAD
$39.00 CAD
MSRP $55.65 CAD
$39.00 CAD
2
Headrest Guide GM
GM Positions: Right
Description: Bucket-left side without executive seats. gideon. Bucket-right side without executive seats. gideon. Split bench-40% side. gideon. Split bench-60% side. gideon. With power, without ventilated. gideon.
MSRP $66.31 CAD
$46.49 CAD
MSRP $66.31 CAD
$46.49 CAD
3
Seat Back Cover GM
GM Positions: Right
Description: Without POWER. cloth, gideon from 09/03/2024.
MSRP $330.86 CAD
$222.78 CAD
MSRP $330.86 CAD
$222.78 CAD
3
Seat Back Cover GM
GM Positions: Right
Description: Without POWER. vinyl, black.
MSRP $320.61 CAD
$215.92 CAD
MSRP $320.61 CAD
$215.92 CAD
3
Seat Back Cover GM
GM Positions: Right
Description: Without POWER. cloth, black (H1T) from 09/03/2024.
MSRP $320.08 CAD
$215.54 CAD
MSRP $320.08 CAD
$215.54 CAD
3
Seat Back Cover GM
GM Positions: Right
Description: Without POWER. cloth, black (H0U) from 09/03/2024.
MSRP $321.11 CAD
$216.23 CAD
MSRP $321.11 CAD
$216.23 CAD
4
Seat Back Pad GM
GM Positions: Right
Description: With power, without ventilated.
MSRP $182.66 CAD
$123.03 CAD
MSRP $182.66 CAD
$123.03 CAD
5
Seat Back Frame GM
GM Positions: Right
Description: Without power, with 4-way lumbar. With power, with ventilated, with massage, seat back.
MSRP $240.90 CAD
$162.25 CAD
MSRP $240.90 CAD
$162.25 CAD
6
Seat Back Heater GM
GM Positions: Right
Description: Front seats. Silverado, Sierra 2500 HD. Seat back. Without vented seat. Silverado, Sierra 3500 HD. With power, with ventilated, without massage.
MSRP $55.41 CAD
$38.85 CAD
MSRP $55.41 CAD
$38.85 CAD
7
Cushion Cover GM
GM Positions: Right
Description: Without power, cloth, black (h0u).
MSRP $198.45 CAD
$133.64 CAD
MSRP $198.45 CAD
$133.64 CAD
7
Cushion Cover GM
GM Positions: Right
Description: Without power, cloth, gideon.
MSRP $200.40 CAD
$134.95 CAD
MSRP $200.40 CAD
$134.95 CAD
7
Cushion Cover GM
GM Positions: Right
Description: Without POWER. vinyl black.
MSRP $200.56 CAD
$135.08 CAD
MSRP $200.56 CAD
$135.08 CAD
7
Cushion Cover GM
GM Positions: Right
Description: Without POWER. cloth black (H1T).
MSRP $190.94 CAD
$128.61 CAD
MSRP $190.94 CAD
$128.61 CAD
7
F Cover GM
GM Positions: Rear right
Description: Crew cab without storage compartment. cloth gideon.
MSRP $210.53 CAD
$141.78 CAD
MSRP $210.53 CAD
$141.78 CAD
7
F Cover GM
GM Positions: Rear right
Description: Double cab. cloth black (h1t).
MSRP $191.04 CAD
$128.66 CAD
MSRP $191.04 CAD
$128.66 CAD
7
Cushion Cover GM
GM Positions: Rear right
Description: Crew cab, without storage compartment, vinyl.
MSRP $206.25 CAD
$138.87 CAD
MSRP $206.25 CAD
$138.87 CAD
7
Cushion Cover GM
GM Positions: Rear left
Description: Crew cab, without storage compartment, vinyl.
MSRP $280.18 CAD
$188.68 CAD
MSRP $280.18 CAD
$188.68 CAD
7
Cushion Cover GM
GM Positions: Front left
Description: With power, without ventilated. cloth gideon.
MSRP $198.45 CAD
$133.64 CAD
MSRP $198.45 CAD
$133.64 CAD
7
Cushion Cover GM
GM Positions: Rear right
Description: Crew cab, without storage compartment, cloth, black (h1t).
MSRP $207.21 CAD
$139.55 CAD
MSRP $207.21 CAD
$139.55 CAD
7
Cushion Cover GM
GM Positions: Rear right
Description: With storage compartment, seat cushion, cloth, black. Crew cab without storage compartment. cloth black.
MSRP $225.77 CAD
$152.03 CAD
MSRP $225.77 CAD
$152.03 CAD
7
Cushion Cover GM
GM Positions: Rear left
Description: Crew cab, without storage compartment, cloth, black (h1t).
MSRP $246.80 CAD
$166.18 CAD
MSRP $246.80 CAD
$166.18 CAD
7
Cushion Cover GM
GM Positions: Rear left
Description: Crew cab, with storage compartment, cloth, black (h0u). With storage compartment, seat cushion, cloth, black. Crew cab without storage compartment. cloth black.
MSRP $245.50 CAD
$165.32 CAD
MSRP $245.50 CAD
$165.32 CAD
7
Cushion Cover GM
GM Positions: Rear left
Description: With storage compartment, seat cushion, cloth, gideon. Crew cab without storage compartment. cloth gideon.
MSRP $270.11 CAD
$181.89 CAD
MSRP $270.11 CAD
$181.89 CAD
7
Cushion Cover GM
GM Positions: Front left
Description: Without POWER. vinyl black.
MSRP $206.11 CAD
$138.80 CAD
MSRP $206.11 CAD
$138.80 CAD
7
Cushion Cover GM
GM Positions: Front left
Description: Without POWER. cloth black (H1T).
MSRP $193.82 CAD
$130.52 CAD
MSRP $193.82 CAD
$130.52 CAD
7
Cushion Cover GM
GM Positions: Front left
Description: Without POWER. cloth black (H0U).
MSRP $195.98 CAD
$131.98 CAD
MSRP $195.98 CAD
$131.98 CAD
8
Passenger Discriminating Sensor GM
GM Positions: Right
Description: Without power. Without vented seat. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
MSRP $849.47 CAD
$569.44 CAD
MSRP $849.47 CAD
$569.44 CAD
9
Seat Cushion Pad GM
GM Positions: Right
Notes: PARTS: Part included with Occupant sensor.
Description: With power, without ventilated, without haptic alert.
MSRP $193.07 CAD
$130.02 CAD
MSRP $193.07 CAD
$130.02 CAD
10
Seat Cushion Heater GM
GM Positions: Right
Description: Without vented seat. With power, with ventilated, without massage. Silverado, sierra. Front seats. Seat cushion.
MSRP $73.13 CAD
$51.29 CAD
MSRP $73.13 CAD
$51.29 CAD
11
Support Spring GM
GM Positions: Right
Description: Frames & shields, manual, without vented. With power, with ventilated, with massage, seat back. Without POWER. seat back.
MSRP $15.49 CAD
$11.46 CAD
MSRP $15.49 CAD
$11.46 CAD
13
Seat Track GM
GM Positions: Right
Description: Without POWER. with cushion frame.
MSRP $372.61 CAD
$250.93 CAD
MSRP $372.61 CAD
$250.93 CAD
14
Adjust Handle GM
GM Positions: Right
Description: Without power, with 4-way lumbar. 2021-26, manual seat. Leather, slide, black. 2022-23, slide. Without power. black.
MSRP $16.32 CAD
$12.04 CAD
MSRP $16.32 CAD
$12.04 CAD
14
MSRP $13.87 CAD
$10.21 CAD
14
Adjust Handle GM
GM Positions: Front left
Description: 6-way manual, slide. 2022-23, without power, slide. Without power. black.
MSRP $16.07 CAD
$11.86 CAD
MSRP $16.07 CAD
$11.86 CAD
14
Adjust Handle GM
GM Positions: Front left
Description: Without power. gideon.
MSRP $13.87 CAD
$10.21 CAD
MSRP $13.87 CAD
$10.21 CAD
15
Outer Finish Panel GM
GM Positions: Right
Description: With power, with ventilated, with massage, seat cushion. Without power. black.
MSRP $103.97 CAD
$71.00 CAD
MSRP $103.97 CAD
$71.00 CAD
15
Outer Finish Panel GM
GM Positions: Right
Description: Without power. gideon.
MSRP $96.82 CAD
$66.09 CAD
MSRP $96.82 CAD
$66.09 CAD
16
Outer Finish Panel Retainer GM
GM Positions: Right
Description: Without performance seat, frames & shields, #2. With ventilated, with power bolster, rear. Without power. Outer finish pnl,retainer.
MSRP $43.38 CAD
$30.44 CAD
MSRP $43.38 CAD
$30.44 CAD
17
MSRP $22.44 CAD
$16.57 CAD
17
Recline Handle GM
GM Positions: Front left
Description: Without power. black.
MSRP $25.66 CAD
$18.94 CAD
MSRP $25.66 CAD
$18.94 CAD
17
Recline Handle GM
GM Positions: Front left
Description: Without power. gideon.
MSRP $22.47 CAD
$16.62 CAD
MSRP $22.47 CAD
$16.62 CAD
18
Recline Handle Cap GM
GM Positions: Right
Description: Frames & shields, manual. Without power, with 2-way lumbar. Front driver seat. 2021-26, manual seat. 6-way manual. Cloth. 2022-23, without power. Without flat-folding seat. Without power. black.
MSRP $8.13 CAD
$6.00 CAD
MSRP $8.13 CAD
$6.00 CAD
18
MSRP $6.41 CAD
$4.70 CAD
19
Inner Finish Panel GM
GM Positions: Right
Description: With power, with 2-way lumbar. Without power, with 4-way lumbar, inner. Without ventilated, with power bolster. With ventilated. black. With power, with ventilated, with massage, seat cushion. Passenger seat. upper inner. Without power. black. With heated. black.
MSRP $16.30 CAD
$12.00 CAD
MSRP $16.30 CAD
$12.00 CAD
19
Inner Finish Panel GM
GM Positions: Right
Description: With power, with ventilated, gideon. Without power. gideon.
MSRP $46.87 CAD
$32.87 CAD
MSRP $46.87 CAD
$32.87 CAD
20
MSRP $11.10 CAD
$8.17 CAD
20
Recline Cover GM
GM Positions: Right
Description: Without POWER. inner gideon. Without POWER. outer gideon.
MSRP $45.00 CAD
$31.54 CAD
MSRP $45.00 CAD
$31.54 CAD
21
Recline Cover GM
GM Positions: Right
Description: With power, with ventilated, gideon. Without POWER. inner gideon. Without POWER. outer gideon.
MSRP $45.45 CAD
$31.86 CAD
MSRP $45.45 CAD
$31.86 CAD
21
Recline Cover GM
GM Positions: Front left outer
Description: With power, without ventilated. inner atmosphere. With power, without ventilated. outer atmosphere.
MSRP $46.38 CAD
$32.50 CAD
MSRP $46.38 CAD
$32.50 CAD
21
Recline Cover GM
GM Positions: Front left inner
Description: With power, without ventilated. inner atmosphere. With power, without ventilated. outer atmosphere.
MSRP $46.56 CAD
$32.66 CAD
MSRP $46.56 CAD
$32.66 CAD
22
Power Seat Wiring Harness GM
GM Positions: Right
Description: Without POWER. without heated seat.
MSRP $113.91 CAD
$74.33 CAD
MSRP $113.91 CAD
$74.33 CAD
22
Power Seat Wiring Harness GM
GM Positions: Right
Description: Without POWER. with heated seat.
MSRP $117.21 CAD
$76.50 CAD
MSRP $117.21 CAD
$76.50 CAD
23
Control Module GM
GM Positions: Right
Description: Front. Right. Silverado, Sierra 2500 HD. Without vented seat. Silverado, Sierra 3500 HD. With power.
MSRP $88.51 CAD
$60.42 CAD
MSRP $88.51 CAD
$60.42 CAD
24
Module Bracket GM
GM Positions: Right
Description: Frames & shields, manual. 2021-26, manual seat. With power, without ventilated. Frames & shields, power.
MSRP $16.25 CAD
$11.95 CAD
MSRP $16.25 CAD
$11.95 CAD