How to replace the Crankshaft Position Sensor on Chevrolet Blazer?

Begin by raising the vehicle before replacing the crankshaft position (CKP) sensor. Steering linkage shield mounting bolts must be removed before the steering linkage shield when this vehicle has the underbody shield package. You should disconnect the ckp sensor harness connector then remove the mounting bolt which allows you to take out the ckp sensor. There are two steps to installation: apply clean engine oil on the ckp sensor o-ring before placing the sensor into position and check for complete seating before torquing the mounting bolt to 9 n.m (80 lb in). After connecting the ckp sensor harness, reattach the steering linkage shield using mounting bolts that should be tightened to 33 n.m (24 lb ft). Perform the ckp system variation learn procedure when the vehicle is at low position.

OEM Chevrolet Blazer Crankshaft Position Sensor

Engine Crankshaft Position Sensor

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10 Crankshaft Position Sensors found

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Chevrolet Blazer Crankshaft Position Sensor Part Number: 12596851
$69.25 MSRP: $140.64
You Save: $71.39 (51%)
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Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor); Crankshaft Sensor; Position Sensor
- Replaces: 10456607, 10456532, 12562910
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-2005 Chevrolet Blazer | Base, LS, LT, Trailblazer, Xtreme, ZR2 | 6 Cyl 4.3 L GAS
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Chevrolet Blazer Knock Sensor Part Number: 21024981
$32.61 MSRP: $61.25
You Save: $28.64 (47%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor)
- Replaced by: 19434673
- Replaces: 21024729
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2005 Chevrolet Blazer | Base, LS, LT, Trailblazer, Xtreme, ZR2 | 6 Cyl 4.3 L GAS
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Chevrolet Blazer Camshaft Position Sensor Part Number: 19417445
$66.52 MSRP: $124.92
You Save: $58.40 (47%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly, Camshaft Position (Kit); Engine Camshaft Position Sensor; Camshaft Sensor; Cam Sensor; Position Sensor; Switch; Sensor, Distributor (Also Knock Sensor)
- Replaces: 10490645, 10485432
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-2005 Chevrolet Blazer | Base, LS, LT, Trailblazer, Xtreme, ZR2 | 6 Cyl 4.3 L GAS
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Chevrolet Blazer Crankshaft Position Sensor Part Number: 12674702
$44.84 MSRP: $91.06
You Save: $46.22 (51%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly-Crankshaft Position; Camshaft Position Sensor; Crankshaft Sensor; Sensor, Distributor (Also Knock Sensor)
- Replaces: 12627185, 12632872
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2021 Chevrolet Blazer | Base, L, LT | 4 Cyl 2.5 L GAS
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Chevrolet Blazer Crankshaft Position Sensor Part Number: 12646781
$14.45 MSRP: $27.14
You Save: $12.69 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly-Crankshaft Position; Crankshaft Sensor; Sensor, Distributor (Also Knock Sensor)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2024 Chevrolet Blazer | Base, LT, Premier, RS | 6 Cyl 3.6 L GAS
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Chevrolet Blazer Knock Sensor Part Number: 55503494
$14.80 MSRP: $26.40
You Save: $11.60 (44%)
ADD TO CART
Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor)
- Replaced by: 12737536
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2024 Chevrolet Blazer | LT, Premier, RS | 4 Cyl 2.0 L GAS
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Chevrolet Blazer Crankshaft Position Sensor Part Number: 12706708
$7.32 MSRP: $13.08
You Save: $5.76 (45%)
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly-Crankshaft Position; Crankshaft Sensor; Sensor, Distributor (Also Knock Sensor)
- Replaces: 55507118
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2024 Chevrolet Blazer | LT, Premier, RS | 4 Cyl 2.0 L GAS
View related parts
Chevrolet Blazer Camshaft Position Sensor Part Number: 12698173
$13.23 MSRP: $24.84
You Save: $11.61 (47%)
ADD TO CART
Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor); Engine Camshaft Position Sensor; Camshaft Sensor; Cam Sensor
- Replaced by: 12733487
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2024 Chevrolet Blazer | LT, Premier, RS | 4 Cyl 2.0 L GAS
View related parts
Chevrolet Blazer Knock Sensor Part Number: 12663209
$4.12 MSRP: $7.73
You Save: $3.61 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2023 Chevrolet Blazer | LT, Premier | 4 Cyl 2.0 L GAS
View related parts
Chevrolet Blazer Knock Sensor Part Number: 10456019
Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994 Chevrolet Blazer | Base, Silverado, Silverado Sport | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL

Chevrolet Blazer Crankshaft Position Sensor

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Crankshaft Position Sensor is one of the Chevrolet Blazer cars that electronically controls the phase of the engine and sends impulses to the overall administration of engines. It is widely used in controlling injection of fuel and the timing of ignition system and many other parameters of an engine. Since Blazer vehicles use different types of Crankshaft Position Sensors, therefore they include inductive CPS, Hall Effect CPS, magnetoresistive CPS, and optical CPS all with unique properties. Crankshaft Position Sensor's main role is to send the crankshaft's position and its speed to the Engine Control Unit for optimal engine operation. Problems with this sensor may cause starting problems, and other issues related to the automobile engine that is why it is crucial for the car to work properly.

Chevrolet Blazer Crankshaft Position Sensor Parts and Q&A

Camshaft Position Sensor
19417445
Q: How to replace the Crankshaft Position Sensor on Chevrolet Blazer?
A:
Begin by raising the vehicle before replacing the crankshaft position (CKP) sensor. Steering linkage shield mounting bolts must be removed before the steering linkage shield when this vehicle has the underbody shield package. You should disconnect the ckp sensor harness connector then remove the mounting bolt which allows you to take out the ckp sensor. There are two steps to installation: apply clean engine oil on the ckp sensor o-ring before placing the sensor into position and check for complete seating before torquing the mounting bolt to 9 n.m (80 lb in). After connecting the ckp sensor harness, reattach the steering linkage shield using mounting bolts that should be tightened to 33 n.m (24 lb ft). Perform the ckp system variation learn procedure when the vehicle is at low position.