1. Engine Crankshafts Products
  2. sku: 19534376695860773
  3. AUTOPART PREMIUM 12VWKJ

AUTOPART PREMIUM 12VWKJ Crank Position Sensor Base 5.5L V8

fits model: Clk55, Amg. make: Mercedes. year: 2001–2006.

12vwkj Autopart Premium Crank Position Sensor Fits Mercedes Clk55 Amg 2001-2006 5.5l V8 Base

( Brand: Autopart Premium ), ( Manufacturer Part Number: 12VWKJ ), ( Part Type: Crank Sensor ), ( Engine: 5.5l V8 ), ( Trim: Base ), ( Compatible Make/model: Mercedes Clk55 Amg ), ( Compatible Years: 2001 2002 2003 2004 2005 2006 01 02 03 04 05 06 ), ( Fitment Info: Crank Position Sensor ), ( Important Info: It Fits The 1999 Mercedes-benz E300 With One Locking Tab On Th. ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Read Full Description To Confirm Fitment ), ( Cs-sku: 400 )

Review AUTOPART PREMIUM Crank Position Sensor Mercedes 5.5l V8 Base fits CLK55 AMG 2001–2006

The **Mercedes-Benz CLK55 AMG (W209) Crank Position Sensor (Part #12VW030001 or equivalent OEM/aftermarket equivalent)** is a critical component of your high-performance 5.5L V8 engine s ignition and fuel injection system, ensuring precise timing and optimal engine performance. This sensor, often referred to as the "crankshaft position sensor" or "CKP sensor," plays a vital role in monitoring the rotational speed and position of the crankshaft, allowing the engine control unit (ECU) to calculate the exact timing for spark ignition and fuel delivery. For the **2001 2006 CLK55 AMG with the M119 5.5L V8**, this sensor is designed to withstand the demanding conditions of high-revving AMG engines while maintaining reliability under heavy loads, turbocharged boost pressures, and aggressive driving styles. Crafted from durable materials, including a robust housing and a high-precision magnetic or Hall-effect sensing element, this sensor is engineered to provide accurate, real-time data to the ECU, preventing misfires, stalling, or poor throttle response common symptoms of a failing crank sensor. Whether you're restoring a classic AMG, upgrading an older vehicle, or replacing a worn-out sensor, this **OEM-compatible or high-quality aftermarket alternative** ensures seamless integration with the engine s wiring harness and mounting points, maintaining factory specifications for performance and longevity. Proper installation requires careful alignment with the crankshaft reluctor ring and secure fastening to prevent vibration-induced failure, making it essential for both performance enthusiasts and mechanics seeking a dependable replacement.

### **Pros and Cons of Buying a Replacement Crank Position Sensor (Part # 12VWJ100000) for a 2001-2006 Mercedes-Benz CLK55 AMG (5.5L V8)**

#### **Pros:**

1. **Direct Fitment** This sensor is specifically designed for your vehicle s model and engine, ensuring compatibility without modifications.

2. **Reliability** Mercedes-Benz sensors are generally built to last, and a genuine or high-quality aftermarket part reduces the risk of premature failure.

3. **Prevents Engine Misfires & Stalling** A faulty crank sensor can cause severe drivability issues, including no-start conditions or rough idling. Replacing it restores proper engine function.

4. **Diagnostic Clarity** A new sensor ensures accurate crankshaft position data for the ECU, preventing false error codes (e.g., P0335) and aiding in proper diagnostics.

5. **Potential Long-Term Savings** Ignoring a failing sensor can lead to more expensive engine damage (e.g., misfires damaging catalytic converters or ignition components). Addressing it early avoids costly repairs.

6. **Ease of Installation** The sensor is located near the oil pan (front of the engine) and is a straightforward bolt-on replacement, typically requiring only basic tools.

7. **Aftermarket Options Available** If purchasing a non-OEM part, reputable brands (e.g., ACDelco, Bosch, or OE-quality suppliers) offer competitive pricing without sacrificing quality.

#### **Cons:**

1. **Cost** While not excessively expensive, the sensor itself (especially OEM) can range from **$50 $150**, and labor (if not DIY) may add **$100 $200** depending on the shop. Aftermarket options reduce this cost.

2. **Potential Counterfeit Parts** Cheap eBay or Amazon sensors may fail prematurely or lack proper calibration, leading to recurring issues.

3. **Related Issues May Persist** If the problem stems from wiring damage, a faulty ignition coil, or a failing alternator (which powers the sensor), replacing just the sensor may not fully resolve the issue.

4. **DIY Difficulty for Some** While the sensor is accessible, working on a high-performance AMG engine may require careful handling of electrical connections and torque specifications to avoid damage.

5. **Warranty Considerations** If the vehicle is under warranty, replacing the sensor yourself could void coverage, though labor costs may still outweigh warranty benefits for this part.

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### **Conclusion**

The **12VWJ100000 crank position sensor** is a critical but relatively inexpensive component whose failure can cripple drivability. The **pros heavily outweigh the cons** for most owners, as the sensor is a **direct replacement part** that restores engine function and prevents further damage. The main drawbacks cost and potential for counterfeit parts are mitigated by:

- **Buying from a trusted supplier** (e.g., RockAuto, Amazon (verified sellers), or a local Mercedes specialist).

- **Opting for an aftermarket brand** (e.g., Bosch 0 261 220 001 or ACDelco 12VWJ-100000) for better value.

- **Performing the replacement yourself** to save labor costs (a 30-minute job for most with basic tools).

If the sensor is the sole issue (confirmed via diagnostic trouble codes), replacing it is a **practical and cost-effective solution**. However, if the problem recurs shortly after replacement, investigate wiring, connectors, or other related components.

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### **Recommendation**

1. **Verify the Issue** Use an OBD-II scanner to confirm **P0335 (Crank Position Sensor Circuit Malfunction)** and check for other related codes (e.g., P0300 P0308 for misfires).

2. **Purchase a Quality Part**

- **OEM (Genuine Mercedes):** Best long-term reliability but pricier.

- **Aftermarket (Bosch, ACDelco, or OE-equivalent):** Reliable and cost-effective (e.g., **Bosch 0 261 220 001** or **ACDelco 12VWJ-100000**).

- Avoid no-name sensors from untrusted sellers.

3. **Install It Yourself** If comfortable with basic engine work, replacing the sensor is a manageable DIY job. Follow these steps:

- Disconnect the negative battery terminal.

- Remove the engine cover (if equipped) and locate the sensor (near the oil pan, attached to the crankshaft pulley housing).

- Unplug the electrical connector and remove the sensor bolt (typically a 13mm or 17mm bolt).

- Install the new sensor, ensuring the O-ring (if present) is lubricated with clean oil.

- Reconnect the wiring and test the vehicle.

4. **Clear Codes After Replacement** Use the scanner to erase the error code and monitor for recurrence.

5. **Monitor for Recurring Issues** If the problem persists, inspect the wiring harness, sensor housing for debris, or test the alternator s output (the sensor requires stable voltage).

**Final Verdict:** **Proceed with confidence** this is a straightforward repair with clear benefits. Prioritize quality over price to avoid repeat failures. If unsure about installation, consult a Mercedes specialist for guidance.

Details:

Connector Gender: Female. Terminal Gender: Male. Connector Type: Plug In. Connector Shape: Oval.

Detailed Applications Years: Vehicle: Sub model: Engine: 2001 - 2006 Mercedes CLK55 AMGBase5.5L V8. Type: Crankshaft Position Sensor. Terminal Type: Blade. Color: Black.

Terminal Quantity: 2.

part #: 12vwkj prices

  • $18.46-$23.03

specifications cranshafengin:

  • for models: Clk55, Amg
  • for makes: Mercedes
  • for years: 2001-2006
  • brand: Autopart Premium
  • mpn: 12vwkj
  • part type: Crank Sensor
  • engine: 5.5l V8
  • trim: Base
  • compatible make/model: Mercedes Clk55 Amg
  • compatible years: 2001 2002 2003 2004 2005 2006 01 02 03 04 05 06
  • fitment info: Crank Position Sensor
  • important info: It Fits The 1999 Mercedes-benz E300 With One Locking Tab On Th.
  • manufacturer warranty: 12 Month Warranty
  • attention: Read Full Description To Confirm Fitment
  • cs-sku: 400

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  • sold: 0
  • started: March 27, 2026
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  • quantity: 1
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general cranshafengin:

  • Car Truck Parts Accessories > Engines Engine Parts > Crankshafts
  • condition: New
for models: clk55, amg, for makes: mercedes, for years: 2001-2006, part type: crank sensor, engine: 5.5l v8, trim: base, compatible make/model: mercedes clk55 amg, compatible years: 2001 2002 2003 2004 2005 2006 01 02 03 04 05 06, fitment info: crank position sensor, important info: it fits the 1999 mercedes-benz e300 with one locking tab on th., manufacturer warranty: 12 month warranty, attention: read full description to confirm fitment, cs-sku: 400,
category: auto parts > car truck parts accessories > engines engine parts > crankshafts, sku: 19534376695860773,
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