Name: 2018 GMC Sierra 3500 HD Lower Oxygen Sensor 12657188
Brand: GM
SKU: GM 12657188
Price: 34.90 USD
Availability: InStock

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OEM (Genuine) 2018 GMC Sierra 3500 HD Lower Oxygen Sensor
PartNumber: 12657188
Product Specifications
Notes: 6.0 Liter; Silverado, Sierra; 6.0L; Rear
Location: Driver Side; Passenger Side
Item Dimensions: 8.6 x 3.3 x 3.3 inches
Item Weight: 0.60 Pounds
Fitment Type: Direct Replacement
Part Description: 2018 GMC Sierra 3500 HD Lower Oxygen Sensor
More Info
Vehicle Fitment
2018 GMC Sierra 3500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
$34.90 MSRP: ~~$63.16~~
You Save: $28.26 (45%)
Walker Products® Premium Oxygen Sensor for 2018 GMC Sierra 3500 HD
PartNumber: 250-241133
Product Specifications
Notes: B2S1;B1S1
Connector Gender: Male
Location: B1S1 Sensor
Overall Length: 15.87"(403.098 mm)
Position: Upstream
Sensor Type: Heated
Thread Diameter: 0.71"(18.0 mm)
UPC: 724620101915
Wire Gauge Measurement: 20 Gauge
Wire Harness Length: 12.32"(312.928 mm)
Wires Quantity: 4 Wire Leads
Part Description: 2018 GMC Sierra 3500 HD Premium Oxygen Sensor
More Info
Vehicle Fitment
2018 GMC Sierra 3500 HD | Base | 8 Cyl 6.0L
2018 GMC Sierra 3500 HD | Denali | 8 Cyl 6.0L
2018 GMC Sierra 3500 HD | SLE | 8 Cyl 6.0L
2018 GMC Sierra 3500 HD | SLT | 8 Cyl 6.0L
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$45.23
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OEM (Genuine) 2018 GMC Sierra 3500 HD Upper Oxygen Sensor
PartNumber: 12643707
Product Specifications
Notes: 6.0 Liter; Silverado, Sierra; 6.0L; Front
Location: Driver Side; Passenger Side
Item Dimensions: 8.2 x 3.1 x 3.1 inches
Item Weight: 0.70 Pounds
Fitment Type: Direct Replacement
Replaces: 12627139
Part Description: 2018 GMC Sierra 3500 HD Upper Oxygen Sensor
More Info
Vehicle Fitment
2018 GMC Sierra 3500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
$44.51 MSRP: ~~$67.38~~
You Save: $22.87 (34%)
Walker Products® Premium Oxygen Sensor for 2018 GMC Sierra 3500 HD
PartNumber: 250-241132
Product Specifications
Notes: B1S2;B2S2
Connector Gender: Male
Location: B1S2 Sensor
Overall Length: 15.87"(403.098 mm)
Position: Downstream Driver Side
Sensor Type: Heated
Thread Diameter: 0.71"(18.0 mm)
UPC: 724620101922
Wire Gauge Measurement: 20 Gauge
Wire Harness Length: 12.32"(312.928 mm)
Wires Quantity: 4 Wire Leads
Part Description: 2018 GMC Sierra 3500 HD Premium Oxygen Sensor
More Info
Vehicle Fitment
2018 GMC Sierra 3500 HD | Base | 8 Cyl 6.0L
2018 GMC Sierra 3500 HD | Denali | 8 Cyl 6.0L
2018 GMC Sierra 3500 HD | SLE | 8 Cyl 6.0L
2018 GMC Sierra 3500 HD | SLT | 8 Cyl 6.0L
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$42.35
Walker Products® Oxygen Sensor for 2018 GMC Sierra 3500 HD
PartNumber: 350-34948
Product Specifications
Notes: Upstream; Right; B2S1;Upstream; Left; B1S1
Connector Gender: Male
Connector Shape: Radiused Polygon
Installation Type: Threaded
Overall Length: 15.87"
Position: Upstream Passenger Side
Sensor Type: Heated
Thread Diameter: 18.0 mm
UPC: 724620106538
Wire Gauge Measurement: 20 Gauge
Wire Harness Length: 12.32"
Wires Quantity: 4 Wire Leads
Part Description: 2018 GMC Sierra 3500 HD Oxygen Sensor
More Info
Vehicle Fitment
2018 GMC Sierra 3500 HD | Base | 8 Cyl 6.0L
2018 GMC Sierra 3500 HD | Denali | 8 Cyl 6.0L
2018 GMC Sierra 3500 HD | SLE | 8 Cyl 6.0L
2018 GMC Sierra 3500 HD | SLT | 8 Cyl 6.0L
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$39.99
Walker Products® Oxygen Sensor for 2018 GMC Sierra 3500 HD
PartNumber: 350-34939
Product Specifications
Notes: Downstream; Left; B1S2;Downstream; Right; B2S2
Connector Gender: Male
Connector Shape: Radiused Polygon
Installation Type: Threaded
Overall Length: 15.87"
Position: Downstream Passenger Side
Sensor Type: Heated
Thread Diameter: 18.0 mm
UPC: 724620106903
Wire Gauge Measurement: 20 Gauge
Wire Harness Length: 12.32"
Wires Quantity: 4 Wire Leads
Part Description: 2018 GMC Sierra 3500 HD Oxygen Sensor
More Info
Vehicle Fitment
2018 GMC Sierra 3500 HD | Base | 8 Cyl 6.0L
2018 GMC Sierra 3500 HD | Denali | 8 Cyl 6.0L
2018 GMC Sierra 3500 HD | SLE | 8 Cyl 6.0L
2018 GMC Sierra 3500 HD | SLT | 8 Cyl 6.0L
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$32.60
NTK® OE Type Oxygen Sensor for 2018 GMC Sierra 3500 HD
PartNumber: 21075
Product Specifications
Notes: B1S2; OE MFR: NTK;B2S2; OE MFR: NTK
Installation Type: Threaded
Location: B1S2
Position: Downstream Driver Side
Sensor Type: Heated
Thread Diameter: 0.71" (18 mm)
UPC: 087295210758
Wire Harness Length: 13.25" (336.55 mm)
Wires Quantity: 4 Wire Leads
Part Description: 2018 GMC Sierra 3500 HD OE Type Oxygen Sensor
More Info
Vehicle Fitment
2018 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.0L
$34.14
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OEM (Genuine) 2018 GMC Sierra 3500 HD Sensor Asm-Nitrogen Oxide Position 2
PartNumber: 12676706
Product Specifications
Notes: Nitrogen Oxide; Sierra, Silverado; 6.6 Liter Diesel, Egr Valve & Related Components, 2017-19
Other Names: Front Nox Sensor, Sensor
Item Dimensions: 9.5 x 6.3 x 5.2 inches
Item Weight: 1.20 Pounds
Fitment Type: Direct Replacement
Part Description: 2018 GMC Sierra 3500 HD Sensor Asm-Nitrogen Oxide Position 2
More Info
Vehicle Fitment
2018 GMC Sierra 3500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
View Related Parts
OEM (Genuine) 2018 GMC Sierra 3500 HD Sensor Asm-Nitrogen Oxide Position 1
PartNumber: 12680215
Product Specifications
Notes: 6.6 Liter Diesel, Egr Valve & Related Components, 2017-19
Other Names: Rear Nox Sensor
Item Dimensions: 9.2 x 6.1 x 5.1 inches
Item Weight: 1.20 Pounds
Fitment Type: Direct Replacement
Replaced by: 12718742
Part Description: 2018 GMC Sierra 3500 HD Sensor Asm-Nitrogen Oxide Position 1
More Info
Vehicle Fitment
2018 GMC Sierra 3500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL