fits model: 2500, Silverado. make: Chevy. year: 1925–2020.

( Brand: Ac Delco ), ( Manufacturer Part Number: OLX-ACD12669636-CL360A58 ), ( Part Type: Engine Crankshaft Sensor ), ( Item Weight: 0.0700 ), ( Fitment Type: Direct Replacement ), ( Generic Keywords 1: Part ), ( Intended Use: Automobiles ), ( Misc Fitment Notes: See Notes ), ( Manufacturer Warranty: 1 Year ), ( UPC: 199367571954 )
The **AC Delco OEM OLX-ACD12669636-CL360A58** is a high-performance, factory-specification **Crankshaft Position Sensor (CKP)** designed exclusively for **Chevrolet Silverado 2500HD (2020 2025)** models equipped with the **6.6L Duramax V8 (L5P) diesel engine**. This precision-engineered sensor is a direct replacement for the original equipment manufacturer (OEM) part, ensuring seamless integration with your vehicle s electronic control module (ECM) and fuel injection system. Crafted from durable, corrosion-resistant materials, the CKP sensor features a robust **Hall-effect sensing technology**, delivering accurate and reliable crankshaft position data to the engine control unit (ECU) with minimal signal noise. Its **sealed, waterproof construction** protects against environmental contaminants, including dust, moisture, and road debris, which is critical for long-term reliability in heavy-duty applications like towing and off-road use. The sensor s **magnetic pickup assembly** is finely tuned to detect the precise timing of crankshaft rotation, enabling optimal ignition timing, fuel delivery, and overall engine performance. Whether you re restoring a classic Silverado or upgrading an existing system, this **OEM-grade sensor** guarantees compatibility, durability, and the same level of performance as the factory-installed component. Backed by **AC Delco s reputation for quality and reliability**, this part is an essential upgrade for diesel enthusiasts seeking dependable performance in their high-demand trucks.
Buying the **AC Delco OLX-ACD12669636-CL360A58** (or a compatible aftermarket equivalent) for your **2020-2025 Chevy Silverado 2500 HD with a 6.6L Duramax diesel engine** involves weighing several factors. Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.
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### **Pros of buying a AC Delco Sensor (or a Direct Replacement)**
1. **OEM Quality and Reliability**
AC Delco is a trusted brand under General Motors, known for producing parts that meet or exceed factory specifications. Their sensors are designed to integrate seamlessly with GM vehicles, reducing the risk of compatibility issues. This can lead to fewer long-term problems compared to lower-quality aftermarket alternatives.
2. **Warranty Coverage**
AC Delco parts often come with a manufacturer s warranty (typically 1 2 years), which provides peace of mind. If the sensor fails prematurely due to a defect, you can return it for replacement or refund. Some retailers (e.g., AutoZone, O Reilly, or online marketplaces) may also offer additional return policies.
3. **Ease of Installation**
The sensor is a direct bolt-on replacement, meaning no modifications to the engine or wiring are required. It plugs into the same connector and mounts in the same location as the original. This makes it a straightforward DIY job for most mechanics or even experienced DIYers, though caution is advised when handling electrical components.
4. **Compatibility with Diagnostic Tools**
Since it s an OEM or OEM-equivalent part, it will work with standard diagnostic tools (e.g., GM Tech 2, Snap-on, or third-party scanners) without triggering compatibility errors. This ensures accurate crankshaft position (CKP) sensor readings and proper engine performance monitoring.
5. **Support for Engine Performance**
The CKP sensor is critical for the engine s fuel injection timing, ignition system, and overall drivability. A high-quality sensor ensures precise crank angle data, which is vital for the Duramax s turbocharged diesel operation. A faulty sensor can lead to rough idling, poor fuel economy, or even engine misfires.
6. **Resale Value and Future-Proofing**
If you plan to sell the vehicle later, having OEM or high-quality aftermarket parts can make it more appealing to buyers who prioritize reliability. It also reduces the likelihood of future issues arising from cheap or incompatible sensors.
7. **Availability and Retailer Support**
AC Delco sensors are widely available at auto parts stores, online retailers (Amazon, RockAuto, PartsGeek), and dealerships. Many retailers offer return policies or replacements if the part is defective upon arrival.
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### **Cons of buying a AC Delco Sensor**
1. **Higher Upfront Cost**
AC Delco sensors are more expensive than generic aftermarket alternatives. While the price difference may seem small (often $50 $100 more than a no-name sensor), it can add up if you re replacing multiple sensors or other components. For example, the AC Delco sensor typically retails for **$120 $180**, whereas a generic equivalent might cost **$30 $80**.
2. **Potential for Overkill**
If your vehicle is older or has been heavily modified, an OEM-level sensor may not offer significant advantages over a well-known aftermarket brand (e.g., **Mopar, Bosch, or Denso**). For most Duramax engines in the 2020 2025 range, the AC Delco sensor is a safe choice, but budget-conscious buyers might opt for a reputable aftermarket option.
3. **Mixed Reviews on Longevity**
While AC Delco sensors are generally reliable, some owners report that they may not last as long as the original GM sensor, especially in extreme conditions (e.g., heavy towing, off-roading, or high-mileage vehicles). The sensor s lifespan depends on factors like oil quality, engine cleanliness, and environmental exposure (e.g., moisture, dust).
4. **Counterfeit or Fake Parts Risk**
Purchasing from untrusted sellers (e.g., eBay, Facebook Marketplace, or unknown online stores) increases the risk of receiving a counterfeit or low-quality part. Always buy from reputable retailers (e.g., AutoZone, O Reilly, RockAuto, or dealerships) to avoid this issue. Check for authenticity markings (e.g., holograms, serial numbers) if possible.
5. **No Advantage Over Direct Replacements**
The AC Delco sensor is essentially a direct replacement for the GM OEM part. Unless you re replacing a non-GM sensor, you won t gain any performance benefits over a compatible aftermarket sensor from brands like **Bosch (0 261 228 003)** or **Denso (K0104)**. These brands are also highly reliable and often cheaper.
6. **Potential for Overdiagnosis**
If your CKP sensor is failing intermittently, some mechanics or dealerships might recommend replacing it prematurely. Always verify the issue with a scan tool (e.g., checking for **P0335, P0336, or P0337 codes**) before purchasing a new sensor. A dirty or corroded connector or wiring issue could be the root cause.
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### **Alternatives to Consider**
If you re looking to save money without sacrificing quality, consider these alternatives:1. **Bosch 0 261 228 003** A well-regarded aftermarket sensor with strong reviews, often priced lower than AC Delco.
2. **Denso K0104** Another high-quality option, commonly used in GM vehicles.
3. **Mopar (for Chrysler/Jeep owners)** If you re open to cross-brand compatibility, Mopar sensors are reliable but may not be as widely available for Duramax engines.
4. **Generic/No-Name Sensors** Only recommended if purchased from a trusted seller (e.g., RockAuto, PartsGeek) and if you re comfortable with a slightly higher risk of failure.
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### **Conclusion**
The **AC Delco OLX-ACD12669636-CL360A58** is a solid choice for replacing the crankshaft position sensor in your **2020 2025 Chevy Silverado 2500 HD with a 6.6L Duramax engine**. Its OEM-level quality, warranty, and compatibility make it a low-risk option for most buyers. However, the higher cost and potential for overkill (compared to high-end aftermarket brands) may not justify the expense for everyone.
If your primary concern is **reliability and long-term performance**, the AC Delco sensor is a safe bet. If you re looking to **save money without compromising quality**, a **Bosch or Denso sensor** is a strong alternative. Always ensure the sensor is compatible with your exact engine year and trim, and purchase from a reputable source to avoid counterfeit parts.
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### **Final Recommendation**
- **Buy the AC Delco sensor if:**- You prioritize OEM-level quality and warranty coverage.
- You re replacing a non-GM sensor or want to ensure full compatibility.
- You re comfortable paying a slightly higher price for peace of mind.
- **Consider a Bosch or Denso sensor if:**- You want to save money while maintaining high reliability.
- You ve verified the sensor s compatibility with your specific engine (e.g., **Bosch 0 261 228 003** is a direct replacement for the Duramax CKP sensor).
- You re purchasing from a trusted retailer (e.g., RockAuto, PartsGeek, or a local auto parts store).
- **Avoid generic/no-name sensors unless:**- You ve researched the seller thoroughly and are willing to accept a slightly higher risk of failure.
- You re on a tight budget and have no other options.
**Additional Tips:**- Always clean the sensor housing and connector before installation to prevent corrosion or poor electrical contact.
- If the sensor is failing intermittently, check for wiring issues, a dirty sensor, or a failing crankshaft pulley.
- If you re unsure about installation, consult a mechanic to avoid damaging the sensor or wiring harness.
Sensor Body Diameter: 0.786 inches / 19.97 millimeters. Terminal Quantity: ManufActurer Part Number: 12669636. Supplier Title: Chevy Silverado 2500 20-25 Engine Crankshaft Position Sensor.
Built for Durability: Made from high-quality materials, this product has been tested to ensure long-lasting performance. Terminal Type: Blade.