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Replacement and OEM Parts for 2021 GMC Sierra 3500 HD Power Seat Switch

2021 GMC Sierra 3500 HD Power Seat Switch

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2021 GMC Sierra 3500 HD
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Power & Heated Seat
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  • OEM 2021 GMC Sierra 3500 HD Adjust Switch Diagram - 25974714
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    OEM (Genuine) 2021 GMC Sierra 3500 HD Adjust Switch

    PartNumber: 25974714
    OEM 2021 GMC Sierra 3500 HD Adjust Switch - 25974714
    Product Specifications
    • Notes: W/Power, W/O Ventilated; W/Power, W/Ventilated, W/O Massage; Silverado, Sierra 3500 Hd; Left
    • Location: Driver Side
    • Item Dimensions: 5.6 x 2.1 x 1.7 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 85043659
    • Part Description: 2021 GMC Sierra 3500 HD Adjust Switch
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $22.22 MSRP: $33.53
    You Save: $11.31 (34%)
  • OEM 2021 GMC Sierra 3500 HD Memory Switch Diagram - 84701577
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    OEM (Genuine) 2021 GMC Sierra 3500 HD Memory Switch

    PartNumber: 84701577
    OEM 2021 GMC Sierra 3500 HD Memory Switch - 84701577
    Product Specifications
    • Notes: Silverado, Sierra 3500 Hd
    • Other Names: Memory Switch
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 3500 HD Memory Switch
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $29.64 MSRP: $44.71
    You Save: $15.07 (34%)
  • OEM 2021 GMC Sierra 3500 HD Lumbar Switch Diagram - 84445926
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    OEM (Genuine) 2021 GMC Sierra 3500 HD Lumbar Switch

    PartNumber: 84445926
    OEM 2021 GMC Sierra 3500 HD Lumbar Switch - 84445926
    Product Specifications
    • Notes: W/Power, W/O Ventilated, Black; W/Power, W/Ventilated, W/O Massage, Black
    • Location: Driver Side; Passenger Side
    • Other Names: Lumbar Switch, Switch
    • Fitment Type: Direct Replacement
    • Replaces: 25926719, 84230309
    • Part Description: 2021 GMC Sierra 3500 HD Lumbar Switch
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Denali, SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $39.78 MSRP: $60.01
    You Save: $20.23 (34%)
  • OEM 2021 GMC Sierra 3500 HD Seat Switch Knob Diagram - 13274112
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    OEM (Genuine) 2021 GMC Sierra 3500 HD Seat Switch Knob

    PartNumber: 13274112
    OEM 2021 GMC Sierra 3500 HD Seat Switch Knob - 13274112
    Product Specifications
    • Notes: W/Power, W/O Ventilated, Black; W/Power, W/Ventilated, W/O Massage, Black
    • Location: Driver Side; Passenger Side
    • Other Names: Knob, Recliner Knob, Seat Switch Knob
    • Item Dimensions: 2.2 x 1.2 x 0.5 inches
    • Item Weight: 0.30 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 3500 HD Seat Switch Knob
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $20.45 MSRP: $30.86
    You Save: $10.41 (34%)
  • OEM 2021 GMC Sierra 3500 HD Seat Switch Knob Diagram - 84253903
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 3500 HD Seat Switch Knob

    PartNumber: 84253903
    OEM 2021 GMC Sierra 3500 HD Seat Switch Knob - 84253903
    Product Specifications
    • Notes: W/Power, W/O Ventilated, Gideon; W/Power, W/Ventilated, W/O Massage, Gideon
    • Location: Driver Side; Passenger Side
    • Other Names: Recliner Knob, Seat Switch Knob
    • Item Dimensions: 1.8 x 0.8 x 0.5 inches
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 3500 HD Seat Switch Knob
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $10.60 MSRP: $15.97
    You Save: $5.37 (34%)
  • OEM 2021 GMC Sierra 3500 HD Seat Switch Knob Diagram - 90921020
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 3500 HD Seat Switch Knob

    PartNumber: 90921020
    OEM 2021 GMC Sierra 3500 HD Seat Switch Knob - 90921020
    Product Specifications
    • Notes: W/Power, W/Ventilated, W/O Massage, Atmosphere
    • Location: Driver Side; Passenger Side
    • Other Names: Recliner Knob, Seat Switch Knob
    • Item Dimensions: 1.9 x 0.8 x 0.5 inches
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 3500 HD Seat Switch Knob
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | Denali | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $10.40 MSRP: $15.68
    You Save: $5.28 (34%)
  • OEM 2021 GMC Sierra 3500 HD Memory Switch Diagram - 84533093
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    OEM (Genuine) 2021 GMC Sierra 3500 HD Memory Switch

    PartNumber: 84533093
    OEM 2021 GMC Sierra 3500 HD Memory Switch - 84533093
    Product Specifications
    • Notes: Double & Crew Cab, 2020-23, 2024 Pro
    • Location: Driver Side
    • Other Names: Memory Switch
    • Item Dimensions: 2.1 x 1.5 x 1.5 inches
    • Fitment Type: Direct Replacement
    • Replaces: 84467894
    • Part Description: 2021 GMC Sierra 3500 HD Memory Switch
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $9.39 MSRP: $14.16
    You Save: $4.77 (34%)
  • OEM 2021 GMC Sierra 3500 HD Lumbar Switch Diagram - 84468435
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 3500 HD Lumbar Switch

    PartNumber: 84468435
    OEM 2021 GMC Sierra 3500 HD Lumbar Switch - 84468435
    Product Specifications
    • Notes: W/Power, W/O Ventilated, Gideon; W/Power, W/Ventilated, W/O Massage, Gideon
    • Location: Driver Side; Passenger Side
    • Other Names: Lumbar Switch, Switch
    • Item Dimensions: 2.5 x 1.9 x 1.8 inches
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 3500 HD Lumbar Switch
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $7.06 MSRP: $10.63
    You Save: $3.57 (34%)
  • OEM 2021 GMC Sierra 3500 HD Slide Knob Diagram - 90921021
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    OEM (Genuine) 2021 GMC Sierra 3500 HD Slide Knob

    PartNumber: 90921021
    OEM 2021 GMC Sierra 3500 HD Slide Knob - 90921021
    Product Specifications
    • Notes: W/Power, W/Ventilated, W/O Massage, Atmosphere
    • Location: Driver Side; Passenger Side
    • Other Names: Seat Switch Knob, Slide Knob
    • Item Dimensions: 2.5 x 0.8 x 0.5 inches
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 3500 HD Slide Knob
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | Denali | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $7.06 MSRP: $10.63
    You Save: $3.57 (34%)
  • OEM 2021 GMC Sierra 3500 HD Lumbar Switch Diagram - 84468436
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 3500 HD Lumbar Switch

    PartNumber: 84468436
    OEM 2021 GMC Sierra 3500 HD Lumbar Switch - 84468436
    Product Specifications
    • Notes: W/Power, W/Ventilated, W/O Massage, Atmosphere; Silverado, Sierra 3500 Hd; Dark Atmosphere
    • Location: Driver Side; Passenger Side
    • Other Names: Lumbar Switch, Switch
    • Item Dimensions: 2.4 x 1.9 x 1.9 inches
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 3500 HD Lumbar Switch
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $5.63 MSRP: $8.49
    You Save: $2.86 (34%)
  • OEM 2021 GMC Sierra 3500 HD Slide Knob Diagram - 84253902
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 3500 HD Slide Knob

    PartNumber: 84253902
    OEM 2021 GMC Sierra 3500 HD Slide Knob - 84253902
    Product Specifications
    • Notes: W/Power, W/O Ventilated, Gideon; W/Power, W/Ventilated, W/O Massage, Gideon
    • Location: Driver Side; Passenger Side
    • Other Names: Seat Switch Knob, Slide Knob
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 3500 HD Slide Knob
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $4.47 MSRP: $6.73
    You Save: $2.26 (34%)
  • OEM 2021 GMC Sierra 3500 HD Switch Asm-Driver Seat & Passenger Seat Adjuster Diagram - 25974715
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 3500 HD Switch Asm-Driver Seat & Passenger Seat Adjuster

    PartNumber: 25974715
    OEM 2021 GMC Sierra 3500 HD Switch Asm-Driver Seat & Passenger Seat Adjuster - 25974715
    Product Specifications
    • Notes: W/Power, W/O Ventilated; W/Power, W/Ventilated, W/O Massage; Silverado, Sierra 3500 Hd; Right
    • Location: Passenger Side
    • Item Dimensions: 5.6 x 2.2 x 1.7 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 3500 HD Switch Asm-Driver Seat & Passenger Seat Adjuster
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $60.71 MSRP: $91.58
    You Save: $30.87 (34%)
  • OEM 2021 GMC Sierra 3500 HD Knob, Front Seat Adjuster Diagram - 13274114
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    OEM (Genuine) 2021 GMC Sierra 3500 HD Knob, Front Seat Adjuster

    PartNumber: 13274114
    OEM 2021 GMC Sierra 3500 HD Knob, Front Seat Adjuster - 13274114
    Product Specifications
    • Notes: W/Power, W/O Ventilated, Black; W/Power, W/Ventilated, W/O Massage, Black
    • Location: Driver Side; Passenger Side
    • Other Names: Adjust Knob, Knob, Seat Switch Knob, Slide Knob
    • Item Dimensions: 2.5 x 0.8 x 0.4 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 3500 HD Knob, Front Seat Adjuster
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $19.12 MSRP: $28.81
    You Save: $9.69 (34%)
  • OEM 2021 GMC Sierra 3500 HD Seat Heat Switch Diagram - 84819558
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 3500 HD Seat Heat Switch

    PartNumber: 84819558
    OEM 2021 GMC Sierra 3500 HD Seat Heat Switch - 84819558
    Product Specifications
    • Notes: Rear Trim
    • Other Names: Seat Heat Switch
    • Fitment Type: Direct Replacement
    • Replaces: 84476688
    • Replaced by: 85558410
    • Part Description: 2021 GMC Sierra 3500 HD Seat Heat Switch
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Denali, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS