Contact Us Live Chat or 1-888-220-8330
Search Bar
Search by Part Number or Keywords
  • My Garage
  • My Account
  • Cart
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Help Center
< Back ×
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Login/Register My Account Track Order Help Center Contact Us
Replacement and OEM Parts for 2021 GMC Sierra 3500 HD Engine Sensors, Switches & Relays

2021 GMC Sierra 3500 HD Engine Sensors, Switches & Relays

My Vehicle Change Vehicle
2021 GMC Sierra 3500 HD
Change Vehicle
Vehicle Options
We need more information about your vehicle to make a correct determination of fitment
< Back to View All
Engine & Drivetrain

15 products about 2021 GMC Sierra 3500 HD Engine Sensors, Switches & Relays found

Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • OEM 2021 GMC Sierra 3500 HD Oil Level Sensor Diagram - 55488247
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 3500 HD Oil Level Sensor

    PartNumber: 55488247
    OEM 2021 GMC Sierra 3500 HD Oil Level Sensor - 55488247
    Product Specifications
    • Notes: Silverado, Sierra 3500 Hd
    • Item Dimensions: 0.1 x 2.2 x 2.2 inches
    • Item Weight: 3.10 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 12727099
    • Part Description: 2021 GMC Sierra 3500 HD Oil Level Sensor
    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
    $24.64 MSRP: $46.49
    You Save: $21.85 (47%)
  • OEM 2021 GMC Sierra 3500 HD Oil Level Sensor Diagram - 55488247
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 3500 HD Oil Level Sensor

    PartNumber: 55488247
    OEM 2021 GMC Sierra 3500 HD Oil Level Sensor - 55488247
    Product Specifications
    • Notes: Silverado, Sierra 3500 Hd
    • Item Dimensions: 0.1 x 2.2 x 2.2 inches
    • Item Weight: 3.10 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 12727099
    • Part Description: 2021 GMC Sierra 3500 HD Oil Level Sensor
    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
    $24.64 MSRP: $46.49
    You Save: $21.85 (47%)
  • OEM 2021 GMC Sierra 3500 HD Oil Level Sensor Diagram - 55488247
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 3500 HD Oil Level Sensor

    PartNumber: 55488247
    OEM 2021 GMC Sierra 3500 HD Oil Level Sensor - 55488247
    Product Specifications
    • Notes: Silverado, Sierra 3500 Hd
    • Item Dimensions: 0.1 x 2.2 x 2.2 inches
    • Item Weight: 3.10 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 12727099
    • Part Description: 2021 GMC Sierra 3500 HD Oil Level Sensor
    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
    $24.64 MSRP: $46.49
    You Save: $21.85 (47%)
  • OEM 2021 GMC Sierra 3500 HD Camshaft Sensor Diagram - 12623093
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 3500 HD Camshaft Sensor

    PartNumber: 12623093
    OEM 2021 GMC Sierra 3500 HD Camshaft Sensor - 12623093
    Product Specifications
    • Notes: 6.6 Liter Gas; Silverado, Sierra 3500 Hd; Gas
    • Other Names: Camshaft Position Sensor, Camshaft Sensor
    • Item Dimensions: 2.1 x 2.1 x 2.0 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 3500 HD Camshaft Sensor
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
    $17.81 MSRP: $33.58
    You Save: $15.77 (47%)
  • OEM 2021 GMC Sierra 3500 HD Camshaft Sensor Diagram - 12636947
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 3500 HD Camshaft Sensor

    PartNumber: 12636947
    OEM 2021 GMC Sierra 3500 HD Camshaft Sensor - 12636947
    Product Specifications
    • Notes: 6.6 Liter Diesel; Silverado, Sierra 3500 Hd; Diesel
    • Other Names: Camshaft Position Sensor, Camshaft Sensor
    • Item Dimensions: 4.2 x 2.1 x 2.1 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 3500 HD Camshaft Sensor
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $21.05 MSRP: $39.74
    You Save: $18.69 (48%)
  • OEM 2021 GMC Sierra 3500 HD Booster Sensor Diagram - 12711681
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 3500 HD Booster Sensor

    PartNumber: 12711681
    OEM 2021 GMC Sierra 3500 HD Booster Sensor - 12711681
    Product Specifications
    • Notes: 6.6 Liter Gas; Silverado, Sierra 3500 Hd; Gas
    • Fitment Type: Direct Replacement
    • Replaces: 12594942, 12701247, 12644228, 12694725
    • Part Description: 2021 GMC Sierra 3500 HD Booster Sensor
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L GAS
    $47.87 MSRP: $90.34
    You Save: $42.47 (48%)
  • OEM 2021 GMC Sierra 3500 HD Crankshaft Sensor Diagram - 12669636
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 3500 HD Crankshaft Sensor

    PartNumber: 12669636
    OEM 2021 GMC Sierra 3500 HD Crankshaft Sensor - 12669636
    Product Specifications
    • Notes: 6.6 Liter Gas; Silverado, Sierra 3500 Hd; Gas
    • Other Names: Crankshaft Position Sensor, Crankshaft Sensor
    • Item Dimensions: 3.0 x 3.1 x 1.0 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12623094
    • Part Description: 2021 GMC Sierra 3500 HD Crankshaft Sensor
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
    $27.47 MSRP: $51.84
    You Save: $24.37 (48%)
  • OEM 2021 GMC Sierra 3500 HD Pedal Travel Sensor Diagram - 84024307
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 3500 HD Pedal Travel Sensor

    PartNumber: 84024307
    OEM 2021 GMC Sierra 3500 HD Pedal Travel Sensor - 84024307
    Product Specifications
    • Notes: Silverado, Sierra 3500 Hd
    • Other Names: Pedal Travel Sensor
    • Item Dimensions: 6.2 x 5.3 x 17.7 inches
    • Item Weight: 1.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 3500 HD Pedal Travel Sensor
    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
    $17.82 MSRP: $32.24
    You Save: $14.42 (45%)
  • OEM 2021 GMC Sierra 3500 HD Level Indicator Diagram - 12671422
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 3500 HD Level Indicator

    PartNumber: 12671422
    OEM 2021 GMC Sierra 3500 HD Level Indicator - 12671422
    Product Specifications
    • Other Names: Level Indicator, Level Sensor, Oil Level Sensor
    • Item Dimensions: 7.0 x 4.3 x 4.5 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 12696433
    • Part Description: 2021 GMC Sierra 3500 HD Level Indicator
    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
    $8.90 MSRP: $14.72
    You Save: $5.82 (40%)
  • OEM 2021 GMC Sierra 3500 HD Level Indicator Diagram - 12671422
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 3500 HD Level Indicator

    PartNumber: 12671422
    OEM 2021 GMC Sierra 3500 HD Level Indicator - 12671422
    Product Specifications
    • Other Names: Level Indicator, Level Sensor, Oil Level Sensor
    • Item Dimensions: 7.0 x 4.3 x 4.5 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 12696433
    • Part Description: 2021 GMC Sierra 3500 HD Level Indicator
    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
    $8.90 MSRP: $14.72
    You Save: $5.82 (40%)
  • OEM 2021 GMC Sierra 3500 HD Level Indicator Diagram - 12671422
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 3500 HD Level Indicator

    PartNumber: 12671422
    OEM 2021 GMC Sierra 3500 HD Level Indicator - 12671422
    Product Specifications
    • Other Names: Level Indicator, Level Sensor, Oil Level Sensor
    • Item Dimensions: 7.0 x 4.3 x 4.5 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 12696433
    • Part Description: 2021 GMC Sierra 3500 HD Level Indicator
    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
    $8.90 MSRP: $14.72
    You Save: $5.82 (40%)
  • OEM 2021 GMC Sierra 3500 HD Level Indicator Diagram - 12696433
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 3500 HD Level Indicator

    PartNumber: 12696433
    OEM 2021 GMC Sierra 3500 HD Level Indicator - 12696433
    Product Specifications
    • Notes: 6.6 Liter Gas
    • Other Names: Level Indicator, Level Sensor, Oil Level Sensor
    • Fitment Type: Direct Replacement
    • Replaces: 12671422
    • Part Description: 2021 GMC Sierra 3500 HD Level Indicator
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
    $8.90 MSRP: $14.72
    You Save: $5.82 (40%)
  • OEM 2021 GMC Sierra 3500 HD Level Indicator Diagram - 12696433
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 3500 HD Level Indicator

    PartNumber: 12696433
    OEM 2021 GMC Sierra 3500 HD Level Indicator - 12696433
    Product Specifications
    • Notes: 6.6 Liter Gas
    • Other Names: Level Indicator, Level Sensor, Oil Level Sensor
    • Fitment Type: Direct Replacement
    • Replaces: 12671422
    • Part Description: 2021 GMC Sierra 3500 HD Level Indicator
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
    $8.90 MSRP: $14.72
    You Save: $5.82 (40%)
  • OEM 2021 GMC Sierra 3500 HD Level Indicator Diagram - 12696433
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 3500 HD Level Indicator

    PartNumber: 12696433
    OEM 2021 GMC Sierra 3500 HD Level Indicator - 12696433
    Product Specifications
    • Notes: 6.6 Liter Gas
    • Other Names: Level Indicator, Level Sensor, Oil Level Sensor
    • Fitment Type: Direct Replacement
    • Replaces: 12671422
    • Part Description: 2021 GMC Sierra 3500 HD Level Indicator
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
    $8.90 MSRP: $14.72
    You Save: $5.82 (40%)
  • OEM 2021 GMC Sierra 3500 HD Crankshaft Sensor Diagram - 12641040
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 3500 HD Crankshaft Sensor

    PartNumber: 12641040
    OEM 2021 GMC Sierra 3500 HD Crankshaft Sensor - 12641040
    Product Specifications
    • Notes: 6.6 Liter Diesel; Silverado, Sierra 3500 Hd; Diesel
    • Other Names: Crankshaft Position Sensor, Crankshaft Sensor
    • Item Dimensions: 3.2 x 2.1 x 1.1 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 3500 HD Crankshaft Sensor
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $19.95 MSRP: $37.62
    You Save: $17.67 (47%)