• GM 12733487 Genuine Camshaft Position Sensor
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GM

GM 12733487 Genuine Camshaft Position Sensor

GM 12733487 Genuine Camshaft Position Sensor

$17.90
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✔ GM Genuine Parts 12733487 Camshaft Position Sensor — Genuine OEM Part
✔ Fitment: Select Buick, Cadillac, Chevrolet, and GMC models (2019–2026) with 1.2L, 1.3L, 2.0L, 2.7L, 3.0L, and 6.2L engines — See Fitment Table for full details
✔ Direct replacement for factory camshaft position sensor — no modifications required
✔ Manufactured to GM’s original specifications — Oval connector, 3-pin, pin-type terminals
✔ Genuine OEM quality — ensures accurate camshaft position signal for engine timing
✔ Replaces 12698173, 55487257, 55508453

 

GM Genuine Parts 12733487 Camshaft Position Sensor — for Select GM Models

Engine misfires, rough idling, difficulty starting, or a check engine light with camshaft position codes (P0340–P0344) — these are common signs that your camshaft position sensor is failing. The sensor monitors the rotational position of the camshaft and sends this data to the Engine Control Module (ECM). The ECM uses this information to control ignition timing and fuel injection for proper engine operation . A faulty sensor can cause the engine to run poorly, stall, or fail to start. Replacing it with this genuine GM part restores accurate engine timing and reliable performance.

This is a factory-original GM camshaft position sensor (OE part number 12733487). It is a direct replacement component designed, engineered, and tested to rigorous standards and backed by General Motors . The sensor features an oval connector with 3-pin, pin-type terminals . This is the same part sold at GM dealerships.

 

When to Replace

• Engine misfires or rough idling
• Difficulty starting or no-start condition
• Loss of power or poor acceleration
• Check engine light with P0340–P0344 codes
• Engine stalling

Product Details & Highlights

• ✔ Genuine GM OEM — not an aftermarket or Chinese replica
• ✔ Accurate camshaft position measurement — ensures proper engine timing
• ✔ Direct replacement — fits factory mounting location
• ✔ Oval connector with 3-pin terminals — matches factory harness
• ✔ Backed by GM’s manufacturer warranty (minimum 12 months)

Package Contents

• 1 × GM Genuine Parts 12733487 camshaft position sensor

FAQ

FAQ

Is this a genuine GM part or a copy?
This is 100% genuine GM OEM — in original factory packaging with the GM part number printed on the label. It is not an aftermarket brand or a replica .

Does this fit my 2022 Chevrolet Silverado 1500?
Yes — the 2022 Silverado 1500 with the 2.7L L4 or 3.0L L6 diesel engine uses this sensor. We recommend verifying with your VIN .

Does this fit my 2021 Buick Envision?
Yes — the 2021 Envision with the 2.0L L4 engine is listed as compatible .

Does this replace 12698173?
Yes — part number 12733487 supersedes and replaces the older 12698173 reference .

What are the symptoms of a bad camshaft position sensor?
Common symptoms include engine misfires, rough idling, difficulty starting, loss of power, and a check engine light with P0340–P0344 codes.

Can I install this sensor myself?
Yes — it is a direct replacement with a plug-and-play connector. However, we recommend consulting your vehicle's service manual for the correct installation procedure and location.

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