JEGS 555-50248 Ls Crankshaft Reluctor Wheel Gm Engine

( Brand: Jegs ), ( Manufacturer Part Number: 555-50248 ), ( Items Included: Reluctor Wheel ), ( Material: High-strength Steel ), ( Vintage Part: No ), ( Application: Crankshaft Position Sensor Signaling ), ( Tooth Count: 24-tooth ), ( Manufacturer Warranty: No Warranty ), ( Engine Compatibility: 1997-2005 Gm Ls Series ), ( Type: Crankshaft Sprocket / Reluctor Wheel ), ( Finish: Natural ), ( Item Weight: 1.7 Lb ), ( Performance Part: Yes )

Review JEGS Ls Crankshaft Reluctor Wheel 24 Tooth Gm Engine fits 1997–2005

The **555-50248 LS Crankshaft Reluctor Wheel (24-tooth)** is a precision-engineered component designed exclusively for General Motors **LS-series engines** (including the **LS1, LS6, LS7, and LS2**) produced between **1997 and 2005**. This reluctor wheel, also known as a harmonic balancer sensor ring or crankshaft position (CKP) sensor wheel, plays a critical role in the engine s electronic fuel injection (EFI) and ignition systems by generating a reference signal for the engine control module (ECM). Crafted from high-strength, heat-treated steel, it features **24 evenly spaced teeth** (with a single missing tooth for synchronization) that work in tandem with the **LS-series crankshaft position sensor** to provide accurate rotational speed and position data. The wheel s smooth, machined surface ensures minimal vibration and wear, contributing to the reliability of the engine s performance monitoring systems. Whether installed in high-performance applications, classic restorations, or daily drivers, this reluctor wheel is a direct-fit replacement for OEM failures, ensuring seamless compatibility with GM s LS engine architecture. Its durability and precision make it an essential part of maintaining optimal engine function, fuel efficiency, and drivability across a wide range of LS-powered vehicles, from muscle cars to performance trucks.

**Pros and Cons of buying a GM 555-50248 LS Crankshaft Reluctor Wheel (24 Tooth, 1997-2005 Engines)**

### **Pros**

1. **Direct Fitment** This part is specifically designed for GM LS-series engines (1997 2005) with the 24-tooth crankshaft reluctor wheel configuration. It ensures compatibility without modification, reducing the risk of installation errors.

2. **OEM Quality** As a genuine GM replacement, it meets the same manufacturing standards as the original equipment part. This can translate to better durability and reliability compared to aftermarket knockoffs.

3. **Prevents CEL Codes** A worn or damaged reluctor wheel can trigger a check engine light (CEL) due to irregular signals to the crankshaft position sensor. Replacing it resolves sensor-related issues, improving engine performance and drivability.

4. **Easy Installation** The part is straightforward to install, requiring only basic tools. Most mechanics or DIYers can replace it in under an hour, especially if the engine is already partially disassembled (e.g., during a timing belt or water pump replacement).

5. **Long-Term Solution** Unlike temporary fixes (e.g., cleaning the sensor), replacing the reluctor wheel addresses the root cause of sensor malfunctions, providing a lasting fix for crankshaft position sensor-related problems.

6. **Warranty Coverage** If purchased from a reputable dealer or online retailer with return policies, you may qualify for warranties or guarantees, offering peace of mind against defects.

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### **Cons**

1. **Cost** Genuine GM parts can be more expensive than aftermarket alternatives. The price may range from $50 to $150 depending on the source, which could be a deterrent for budget-conscious buyers.

2. **Potential Counterfeit Risks** Some online sellers may offer "OEM" or "GM" parts that are actually counterfeit or reconditioned. Buying from unverified sources increases the risk of receiving a substandard or incompatible part.

3. **Sensor Replacement May Be Needed** If the crankshaft position sensor itself is worn or damaged, replacing just the reluctor wheel won t fully resolve the issue. You may need to replace the sensor as well, adding to the cost.

4. **Limited Availability** While widely compatible, this part may not be stocked at every auto parts store. Online retailers (e.g., RockAuto, Summit Racing, or GM parts suppliers) are more likely to have it in stock, but shipping times can vary.

5. **Installation Challenges** In some engines (especially those with complex timing covers or additional components), removing and reinstalling the reluctor wheel can be tricky. Improper installation (e.g., misalignment) could lead to sensor misfires or further damage.

6. **Mixed Quality in Aftermarket Alternatives** While aftermarket reluctor wheels exist, their quality varies. Cheaper options may wear out faster or fail to trigger the sensor correctly, potentially causing recurring issues.

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### **Conclusion**

The **555-50248 LS crankshaft reluctor wheel** is a reliable and necessary replacement for GM LS engines experiencing crankshaft position sensor problems. Its **direct fitment, OEM quality, and long-term effectiveness** make it a strong choice for resolving CEL codes and sensor-related issues. However, the **higher cost, potential counterfeit risks, and possible need for sensor replacement** are factors to consider.

For most buyers, the **benefits outweigh the drawbacks**, especially if purchasing from a trusted source (e.g., a dealership, reputable online retailer, or a parts specialist). If budget is a concern, **verifying the aftermarket options** (e.g., from brands like ACDelco or Moroso) could be a cost-effective alternative, though OEM remains the safest bet for longevity.

### **Recommendation**

- **Buy from a trusted source** (e.g., GM parts dealer, RockAuto, or Summit Racing) to avoid counterfeit parts.

- **Inspect the crankshaft position sensor** during installation replace it if it shows signs of wear.

- **Follow installation guidelines carefully** to ensure proper alignment and torque specifications.

- **Consider aftermarket options** only if you ve researched the brand s reputation for quality and compatibility.

For most LS engine owners dealing with sensor issues, **this is a worthwhile investment** that prevents recurring problems and maintains engine performance.

Details:

part #: 55550248 prices

• $27.29-$228.99

specifications cranshafengin:

• for years: 1997-2005
• brand: Jegs
• mpn: 555-50248
• items included: Reluctor Wheel
• material: High-strength Steel
• vintage part: No
• application: Crankshaft Position Sensor Signaling
• tooth count: 24-tooth
• manufacturer warranty: No Warranty
• engine compatibility: 1997-2005 Gm Ls Series
• type: Crankshaft Sprocket / Reluctor Wheel
• finish: Natural
• item weight: 1.7 Lb
• performance part: Yes

general cranshafengin:

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

offer cranshafengin:

• sold: 0
• options: Ship-to-home
• availability: In Stock
• started: March 24, 2026
• quantity: 1

seller cranshafengin:

• # reviews: 12
• city: Berea, Ohio
• rating: 100.0%

returns cranshafengin:

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

payments cranshafengin:

• other
• credit card: Diners-club
• wallet: Google-pay

shipping cranshafengin:

• class: Economy
• carrier: USPS
• cost: $0.00
• transit: 10-17 Days
• service: USPS Media Mail
• type: Fixed

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