29 products about 2021 GMC Sierra 1500 Engine Sensors, Switches & Relays foundVEHICLE SPECIFIC Product Specifications Notes: 3.0 Liter Diesel; Silverado, Sierra; 2.7L; All;Silverado, Sierra; 3.0L Diesel;Silverado, Sierra; 4.3L 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 1500 Oil Level Sensor More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L ELECTRIC/GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS $23.99 MSRP: $45.27
You Save: $21.28 (48%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 3.0 Liter Diesel; Silverado, Sierra; 2.7L; All;Silverado, Sierra; 3.0L Diesel;Silverado, Sierra; 4.3L 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 1500 Oil Level Sensor More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L ELECTRIC/GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS $23.99 MSRP: $45.27
You Save: $21.28 (48%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 3.0 Liter Diesel; Silverado, Sierra; 2.7L; All;Silverado, Sierra; 3.0L Diesel;Silverado, Sierra; 4.3L 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 1500 Oil Level Sensor More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L ELECTRIC/GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS $23.99 MSRP: $45.27
You Save: $21.28 (48%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 4.3 Liter; 5.3 & 6.2 Liter; Silverado, Sierra; 4.3L;Silverado, Sierra; 5.3L;Silverado, Sierra; 6.2L 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 1500 Camshaft Sensor More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L ELECTRIC/GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS $17.34 MSRP: $32.70
You Save: $15.36 (47%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 5.3, 6.2 Liter; Silverado, Sierra; 5.3L;Silverado, Sierra; 6.2L Item Dimensions: 3.1 x 1.7 x 1.1 inches Item Weight: 0.40 Pounds Fitment Type: Direct Replacement Part Description: 2021 GMC Sierra 1500 Oil Temperature Sending Unit More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS $26.65 MSRP: $50.30
You Save: $23.65 (48%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 5.3, 6.2 Liter; Silverado, Sierra; 5.3L;Silverado, Sierra; 6.2L Item Dimensions: 3.1 x 1.7 x 1.1 inches Item Weight: 0.40 Pounds Fitment Type: Direct Replacement Part Description: 2021 GMC Sierra 1500 Oil Temperature Sending Unit More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS $26.65 MSRP: $50.30
You Save: $23.65 (48%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 5.3, 6.2 Liter; Silverado, Sierra; 5.3L;Silverado, Sierra; 6.2L Item Dimensions: 3.1 x 1.7 x 1.1 inches Item Weight: 0.40 Pounds Fitment Type: Direct Replacement Part Description: 2021 GMC Sierra 1500 Oil Temperature Sending Unit More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS $26.65 MSRP: $50.30
You Save: $23.65 (48%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 4.3, 5.3, 6.2 Liter; Silverado, Sierra; 4.3L;Silverado, Sierra; 5.3L;Silverado, Sierra; 6.2L Fitment Type: Direct Replacement Replaces: 12594942, 12701247, 12644228, 12694725 Part Description: 2021 GMC Sierra 1500 Booster Sensor More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, Hybrid, SL, SLE, SLT, WT, XFE | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 5.3 L ELECTRIC/GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L ELECTRIC/FLEX, 8 Cyl 6.0 L ELECTRIC/GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS $46.61 MSRP: $87.96
You Save: $41.35 (48%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 4.3 Liter; 5.3 & 6.2 Liter, W/O Fuel Management; Silverado, Sierra; 4.3L;Silverado, Sierra; 5.3L; W/6-Speed Auto Trans 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 1500 Crankshaft Sensor More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 4 Cyl 2.7 L GAS, 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L ELECTRIC/GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS $26.74 MSRP: $50.48
You Save: $23.74 (48%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra; 6L80 Trans;Silverado, Sierra; All 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 1500 Pedal Travel Sensor More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS $17.82 MSRP: $32.24
You Save: $14.42 (45%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 4.3 Liter; Silverado, Sierra; 4.3L Other Names: Level Indicator, Oil Level Sensor Item Dimensions: 8.5 x 3.1 x 3.2 inches Item Weight: 0.80 Pounds Fitment Type: Direct Replacement Replaced by: 12696435 Part Description: 2021 GMC Sierra 1500 Level Indicator More Info Vehicle Fitment 2021 GMC Sierra 1500 | Base | 6 Cyl 4.3 L GAS $19.75 MSRP: $31.33
You Save: $11.58 (37%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 4.3 Liter; Silverado, Sierra; 4.3L Other Names: Level Indicator, Oil Level Sensor Item Dimensions: 8.5 x 3.1 x 3.2 inches Item Weight: 0.80 Pounds Fitment Type: Direct Replacement Replaced by: 12696435 Part Description: 2021 GMC Sierra 1500 Level Indicator More Info Vehicle Fitment 2021 GMC Sierra 1500 | Base | 6 Cyl 4.3 L GAS $19.75 MSRP: $31.33
You Save: $11.58 (37%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 2.7 Liter Turbo; 3.0 Liter Diesel; Silverado, Sierra Item Dimensions: 3.0 x 1.3 x 0.8 inches Item Weight: 0.40 Pounds Fitment Type: Direct Replacement Part Description: 2021 GMC Sierra 1500 Oil Temperature Sending Unit More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS $11.07 MSRP: $20.02
You Save: $8.95 (45%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 2.7 Liter Turbo; 3.0 Liter Diesel; Silverado, Sierra Item Dimensions: 3.0 x 1.3 x 0.8 inches Item Weight: 0.40 Pounds Fitment Type: Direct Replacement Part Description: 2021 GMC Sierra 1500 Oil Temperature Sending Unit More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS $11.07 MSRP: $20.02
You Save: $8.95 (45%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 2.7 Liter Turbo; 3.0 Liter Diesel; Silverado, Sierra Item Dimensions: 3.0 x 1.3 x 0.8 inches Item Weight: 0.40 Pounds Fitment Type: Direct Replacement Part Description: 2021 GMC Sierra 1500 Oil Temperature Sending Unit More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS $11.07 MSRP: $20.02
You Save: $8.95 (45%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 5.3 & 6.2 Liter; Silverado, Sierra; 5.3L;Silverado, Sierra; 6.2L 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 1500 Level Indicator More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS $8.67 MSRP: $14.33
You Save: $5.66 (40%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 5.3 & 6.2 Liter; Silverado, Sierra; 5.3L;Silverado, Sierra; 6.2L 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 1500 Level Indicator More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS $8.67 MSRP: $14.33
You Save: $5.66 (40%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 5.3 & 6.2 Liter; Silverado, Sierra; 5.3L;Silverado, Sierra; 6.2L 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 1500 Level Indicator More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS $8.67 MSRP: $14.33
You Save: $5.66 (40%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra; 3.0L Diesel; At Cylinder Head Fitment Type: Direct Replacement Part Description: 2021 GMC Sierra 1500 Cylinder Head Temperature Sensor More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Denali, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL $17.47 MSRP: $31.60
You Save: $14.13 (45%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 3.0 Liter Diesel; Silverado, Sierra; 3.0L Diesel Other Names: Crankshaft Position Sensor, Crankshaft Sensor Replaces: 55495265 Part Description: 2021 GMC Sierra 1500 Crankshaft Sensor More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Denali, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL $7.45 MSRP: $13.46
You Save: $6.01 (45%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 5.3 & 6.2 Liter, W/Fuel Management; Silverado, Sierra; 5.3L; W/O 6-Speed Auto Trans;Silverado, Sierra; 6.2L Other Names: Crankshaft Position Sensor, Crankshaft Sensor Item Dimensions: 3.1 x 3.0 x 1.0 inches Item Weight: 0.40 Pounds Fitment Type: Direct Replacement Replaced by: 12712848 Part Description: 2021 GMC Sierra 1500 Crankshaft Sensor More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 8 Cyl 5.3 L ELECTRIC/GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS $21.94 MSRP: $41.42
You Save: $19.48 (48%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 3.0 Liter Diesel Other Names: Pressure Sensor Item Dimensions: 2.6 x 2.0 x 1.1 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Replaced by: 12718935 Part Description: 2021 GMC Sierra 1500 Pressure Sensor More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Denali, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL $13.09 MSRP: $23.78
You Save: $10.69 (45%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra; 2.7L Other Names: Crankshaft Position Sensor Item Dimensions: 4.1 x 2.1 x 1.0 inches Item Weight: 0.40 Pounds Replaced by: 12706708 Part Description: 2021 GMC Sierra 1500 Crankshaft Position Sensor More Info Vehicle Fitment 2021 GMC Sierra 1500 | Base, Elevation, SLE | 4 Cyl 2.7 L GAS $6.45 MSRP: $12.16
You Save: $5.71 (47%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra; 2.7L; At Engine Block;Silverado, Sierra; 2.7L; At System Pipes/Hoses; 2.7 Liter Turbo, Water Inlet; 2.7 Liter Turbo, Water Outlet Item Dimensions: 2.7 x 1.2 x 0.7 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Part Description: 2021 GMC Sierra 1500 Cylinder Head Temperature Sensor More Info Vehicle Fitment 2021 GMC Sierra 1500 | Base, Elevation, SLE | 4 Cyl 2.7 L GAS $12.60 MSRP: $22.78
You Save: $10.18 (45%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 2.7 Liter Turbo; Silverado, Sierra; 2.7L Other Names: Crankshaft Position Sensor, Crankshaft Sensor Fitment Type: Direct Replacement Replaces: 55507118 Part Description: 2021 GMC Sierra 1500 Crankshaft Sensor More Info Vehicle Fitment 2021 GMC Sierra 1500 | Base, Elevation, SLE | 4 Cyl 2.7 L GAS $6.73 MSRP: $12.16
You Save: $5.43 (45%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra; 3.0L Diesel Other Names: Crankshaft Position Sensor Item Dimensions: 4.2 x 2.1 x 1.0 inches Item Weight: 4.30 Pounds Fitment Type: Direct Replacement Replaced by: 40009075 Part Description: 2021 GMC Sierra 1500 Crankshaft Position Sensor More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Denali, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL $7.14 MSRP: $13.46
You Save: $6.32 (47%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 3.0 Liter Diesel; 2.7 Liter Turbo; Silverado, Sierra; 2.7L; At Heater Outlet Hose;Silverado, Sierra; 2.7L; At Radiator;Silverado, Sierra; 3.0L Diesel; At Charge Air Cooler Hose;Silverado, Sierra; 3.0L Diesel; At Inlet Pipe;Silverado, Sierra; 3.0L Diesel; At Radiator; 3.0 Liter Diesel, Water Inlet Item Dimensions: 2.7 x 1.5 x 0.9 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Part Description: 2021 GMC Sierra 1500 Manifold Absolute Pressure Sensor Sensor More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL $6.08 MSRP: $11.46
You Save: $5.38 (47%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 2.7 Liter Turbo, #1;2.7 Liter Turbo, #2; 3.0 Liter Diesel; Silverado, Sierra; 2.7L;Silverado, Sierra; 3.0L Diesel Item Dimensions: 2.2 x 1.9 x 1.1 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Replaces: 55508453 Replaced by: 12733487 Part Description: 2021 GMC Sierra 1500 Camshaft Sensor More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL $11.51 MSRP: $21.70
You Save: $10.19 (47%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 2.7 Liter Turbo, #1;2.7 Liter Turbo, #2; 3.0 Liter Diesel; Silverado, Sierra; 2.7L;Silverado, Sierra; 3.0L Diesel Item Dimensions: 2.2 x 1.9 x 1.1 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Replaces: 55508453 Replaced by: 12733487 Part Description: 2021 GMC Sierra 1500 Camshaft Sensor More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL $11.51 MSRP: $21.70
You Save: $10.19 (47%)
Check Fit Add to Cart