MERCEDES 89SQFX Crank Position Sensor

( Manufacturer Part Number: 89SQFX ), ( Part Type: Crank Sensor ), ( Compatible Make/model: Mercedes Ml430 ), ( Compatible Years: 2000 1999 2001 00 99 01 ), ( Fitment Info: Crank Position Sensor ), ( Important Info: Original Equipment ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Read Full Description To Confirm Fitment ), ( Cs-sku: 400 )

Review MERCEDES Original Crank Position Sensor fits ML430 1999–2001

The **89SQFx Crank Position Sensor** is a precision-engineered, direct-replacement component designed specifically for Mercedes-Benz ML-Class vehicles from the model years 1999 through 2001, particularly those equipped with the **M112 V8 engine**. This sensor plays a critical role in the engine s electronic control system by providing real-time feedback to the engine control unit (ECU) about the crankshaft s position and rotational speed, enabling accurate ignition timing, fuel injection, and overall engine performance. Crafted from high-grade materials, the **89SQFx** features a robust, corrosion-resistant housing and a durable internal magnet assembly, ensuring long-lasting reliability even under demanding driving conditions. Its compact yet precise design guarantees seamless integration with the original sensor s mounting points, eliminating the need for modifications to the engine bay. The sensor s advanced Hall-effect technology delivers highly accurate and consistent signals, which are essential for maintaining optimal engine efficiency, reducing emissions, and preventing potential stalling or misfiring issues. Whether you're restoring a classic ML430 or addressing a malfunction in an older model, this sensor is a direct, high-quality alternative to the original equipment, built to meet or exceed OEM specifications. Its compatibility extends beyond basic functionality, offering enhanced durability and performance, making it an ideal choice for both professional mechanics and DIY enthusiasts seeking dependable aftermarket parts.

### **Pros and Cons of Buying an OEM (89.9698.92.030) Crank Position Sensor for a Mercedes-Benz M112 (ML430, 1999 2001)**

1. **Direct Fit and Reliability** The OEM sensor is designed specifically for your engine (M112 5.4L V8) and will integrate perfectly without modifications. It is built to the same high standards as the original, ensuring long-term reliability if installed correctly.

2. **Guaranteed Compatibility** Since it is the exact replacement part, there is no risk of electrical or mechanical incompatibility issues that can sometimes arise with aftermarket parts.

3. **Durability and Longevity** OEM sensors are typically made with high-quality materials and undergo rigorous testing, which means they are less likely to fail prematurely compared to cheaper aftermarket alternatives.

4. **Warranty Coverage** If purchased from a reputable dealer or directly from Mercedes-Benz, the sensor may come with a warranty, providing peace of mind against defects.

5. **Easier Troubleshooting** If issues persist after installation, an OEM part is easier to diagnose and replace, as it follows the original vehicle s specifications.

6. **No Risk of Software Conflicts** Unlike some aftermarket sensors, OEM parts are pre-calibrated for the vehicle s ECU, reducing the chance of error codes or drivability issues.

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1. **Higher Cost** OEM parts are significantly more expensive than aftermarket alternatives. The price can range from **$150 $300 **, depending on the source, which may be a deterrent for budget-conscious buyers.

2. **Limited Availability** Finding an authentic OEM sensor may require purchasing from a Mercedes-Benz dealership, an online parts marketplace (eBay, RockAuto, etc.), or a salvage yard. Availability can sometimes be inconsistent.

3. **Potential for Counterfeit Parts** If buying from third-party sellers (especially online), there is a risk of receiving a **fake or refurbished OEM sensor** that may not perform as expected. Always verify the seller s reputation and part authenticity.

4. **Installation Complexity** While the sensor itself is straightforward to replace, accessing it may require removing the engine cover, disconnecting wiring harnesses, and ensuring proper torque on the mounting bolt. Improper installation (e.g., overtightening) can damage the sensor or surrounding components.

5. **No Performance Advantage** Unlike some aftermarket sensors, the OEM part does not offer any performance benefits it simply restores factory functionality.

6. **Environmental and Ethical Concerns** Purchasing from a salvage yard may involve parts from accident-damaged vehicles, though this is rarely an issue with sensors.

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### **Conclusion and Recommendation**

- You prioritize **reliability, longevity, and direct compatibility** with your M112 engine.

- You are willing to **pay a premium** for a part that matches the original specifications.

- You have **access to a trusted source** (dealership, reputable online seller, or salvage yard with verified parts).

- You plan to **keep the vehicle long-term** and want to avoid potential issues with aftermarket alternatives.

**However, if budget is a concern**, a **high-quality aftermarket sensor** (e.g., from **Bosch, Denso, or OE-quality brands**) can be a cost-effective alternative. Ensure it is **direct-fit for the M112** and has **positive reviews** for compatibility and durability. Always check for **correct part numbers** (e.g., **Bosch 0261233371** or **Denso 45320-00001**) to avoid mismatches.

- **For maximum reliability and peace of mind**, go with the **OEM sensor** if you can afford it and source it from a trusted provider.

- **For a balance of cost and quality**, a **reputable aftermarket sensor** (with verified compatibility) is a reasonable alternative.

- **Avoid cheap, no-name sensors** unless you are certain they match the original specifications, as they may cause electrical issues or fail prematurely.

Always **test the sensor** after installation by checking for error codes (e.g., **P0335**) and ensuring the engine starts and runs smoothly. If issues persist, consult a mechanic to verify proper installation and wiring.

Details:

12 Month Warranty. Original Crank Position Sensor fits Mercedes ML430 1999 - 2001 89SQFX: Brand: condition: New Notes: Remark: Equipment, OEM Detailed Applications Years: Vehicle: 1999 - 2001 Mercedes.

part #: 89sqfx price

• $82.18

specifications cranshafengin:

• for makes: Mercedes
• for years: 1999-2001
• mpn: 89sqfx
• part type: Crank Sensor
• compatible make/model: Mercedes Ml430
• compatible years: 2000 1999 2001 00 99 01
• fitment info: Crank Position Sensor
• important info: Original Equipment
• manufacturer warranty: 12 Month Warranty
• attention: Read Full Description To Confirm Fitment
• cs-sku: 400

shipping cranshafengin:

• class: Economy
• transit: 4-7 Days
• service: Economy
• cost: $0.00
• type: Fixed

seller cranshafengin:

• # reviews: 23730
• rating: 99.1%
• city: Azusa, California

payments cranshafengin:

• wallet: Paypal
• credit card: Diners-club
• other

general cranshafengin:

• Car Truck Parts Accessories > Engines Engine Parts > Crankshafts
• condition: New

returns cranshafengin:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

offer cranshafengin:

• quantity: 1
• availability: In Stock
• started: April 3, 2026
• sold: 0
• options: Ship-to-home

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