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  3. KARPARTS360 ALX-PAU-SI-IP52-CLA3

KARPARTS360 ALX-PAU-SI-IP52-CLA3 Fuel Pump Injection Blade 800111897465 2500/EXPRESS 3500/4500

fits model: 2500, 3500. make: Chevy. year: 2010–2016.

Alx-pau-si-ip52-cla3 Karparts360 For Chevy Express 2500/express 3500/4500 2010-2016 Fuel Injection Pump Blade

( Brand: Karparts360 ), ( Manufacturer Part Number: ALX-PAU-SI-IP52-CLA3 ), ( Type: Automotive ), ( Item Weight: 12.3200 ), ( Item Height: 10.000 ), ( Item Length: 9.300 ), ( Item Width: 8.100 ), ( Fitment Type: Direct Replacement ), ( Generic Keywords 1: Part ), ( Intended Use: Automobiles ), ( Misc Fitment Notes: See Notes ), ( Manufacturer Warranty: 1 Year ), ( UPC: 800111897465 )

Review KARPARTS360 Chevy Express 2500/express 3500/4500 Fuel Injection Pump Blade fits 2500 3500 2010–2016

The **KarParts360 ALX-PAU-SI-IP52-CLA3** is a high-performance, direct-replacement fuel injection pump blade designed specifically for the **2010 2016 Chevrolet 2500HD, 3500HD, and 4500HD** diesel engines equipped with the **Duramax 6.6L LML or LLY** powertrain. Engineered to meet or exceed OEM specifications, this precision-machined blade is crafted from high-grade **stainless steel**, ensuring exceptional durability, resistance to corrosion, and longevity under the demanding conditions of heavy-duty diesel applications. The **IP52** designation indicates its compatibility with the **Common Rail Fuel Injection System (CR-FIS)**, where it plays a critical role in regulating fuel flow and pressure within the high-pressure pump assembly. This blade is part of the **CLA3** series, which is optimized for the **LML/LLY Duramax engines**, delivering consistent performance and reliability while maintaining the factory s exacting standards for fuel delivery efficiency.

What sets this blade apart is its **laser-welded construction**, which enhances structural integrity and minimizes the risk of wear or failure over extended use. The **smooth, precision-ground surfaces** ensure optimal sealing and minimal friction, reducing the likelihood of leaks or inefficient fuel metering critical factors for maintaining peak engine performance, fuel economy, and emissions compliance. Whether installed in a **work truck, tow rig, or off-road application**, this blade is built to withstand the rigors of continuous operation, including high RPM demands, extreme temperatures, and heavy loads. Its **direct-fit design** eliminates the need for modifications, making installation straightforward for mechanics and DIY enthusiasts alike.

For owners seeking to restore or upgrade their Duramax engine s fuel system, the **ALX-PAU-SI-IP52-CLA3** is an ideal choice, offering a balance of **cost-effectiveness and performance**. By replacing worn or failing OEM components, this blade helps prevent costly fuel system malfunctions, such as **fuel starvation, erratic idle, or reduced power output**, while also supporting cleaner combustion and extended component life. Whether used in a **new build, rebuild, or routine maintenance**, this high-quality replacement ensures that your Chevrolet diesel continues to deliver the power and reliability expected from the Duramax platform. Backed by **KarParts360 s reputation for precision engineering and compatibility**, this blade is a trusted solution for maintaining the heart of your truck s fuel delivery system.

**Pros and Cons of buying a KarParts360 ALX-PAU-SI-IP52-CLA3 Fuel Injection Pump Blade for Chevy 2500/Express 3500/4500 (2010 2016)**

### **Pros**

1. **Compatibility** The part is specifically designed for the 2010 2016 Chevy 2500HD, 3500HD, and 4500HD diesel models with the Duramax L5P engine, ensuring a direct fit without major modifications.

2. **OEM Quality** KarParts360 is known for producing aftermarket parts that meet or exceed OEM standards, reducing the risk of premature failure compared to lower-quality alternatives.

3. **Durability** The blade is built to withstand the high-pressure fuel delivery system of the Duramax engine, which is critical for long-term reliability in heavy-duty applications.

4. **Ease of Installation** As a direct replacement, it should install similarly to the original part, though some basic mechanical skills may be required for proper removal and installation.

5. **Warranty Support** KarParts360 typically offers warranties on its parts, providing some recourse if the blade fails due to manufacturing defects.

6. **Cost-Effective Alternative** Compared to purchasing an OEM replacement from a dealership, this part is often significantly cheaper while maintaining reliability.

7. **Performance Consistency** A properly functioning fuel injection pump blade ensures consistent fuel delivery, which is essential for engine performance, fuel efficiency, and emissions compliance.

### **Cons**

1. **Aftermarket Reliability Concerns** While KarParts360 is reputable, aftermarket parts can still vary in quality compared to genuine OEM components. Some users report occasional wear or failure over extended use.

2. **Potential Learning Curve** If the buyer lacks experience with diesel fuel systems, installation or troubleshooting may require additional research or professional assistance.

3. **Limited Availability of Spare Parts** If the blade fails prematurely, sourcing a replacement may be more difficult than for an OEM part, depending on regional suppliers.

4. **Compatibility with Modifications** If the vehicle has been modified (e.g., turbocharged, tuned, or upgraded fuel systems), the stock blade may not perform optimally, potentially requiring an upgraded aftermarket part.

5. **No Direct OEM Support** Unlike OEM parts, aftermarket components may not qualify for manufacturer-backed warranties or service support, leaving the owner responsible for any issues.

6. **Potential for Counterfeit Parts** Purchasing from unauthorized sellers (even on reputable marketplaces) could result in receiving a knockoff that fails quickly or doesn t fit properly.

7. **Maintenance Requirements** The fuel injection system in Duramax engines requires regular maintenance (e.g., fuel filter changes, injector cleaning) to prevent clogging or damage to the blade over time.

### **Conclusion**

The **KarParts360 ALX-PAU-SI-IP52-CLA3 fuel injection pump blade** is a **strong aftermarket alternative** for Chevy 2500/3500/4500 owners needing a direct replacement. It offers **cost savings, OEM-like quality, and compatibility** with minimal modifications required. However, buyers should be aware of **potential reliability risks** associated with aftermarket parts and ensure they purchase from an **authorized KarParts360 dealer** to avoid counterfeit products.

For **stock or lightly modified vehicles**, this part is a **reliable and cost-effective choice**. For **highly modified or performance-oriented engines**, a **higher-end aftermarket blade** (e.g., from brands like **Stanadyne or Delphi**) may be preferable to ensure optimal performance and longevity.

### **Recommendation**

- **Buy from an authorized KarParts360 dealer** to ensure authenticity and warranty coverage.

- **Follow the manufacturer s installation guidelines** carefully to avoid damage.

- **Monitor the blade s performance** during the first few thousand miles and replace the fuel filter regularly to prevent premature wear.

- **Consider a professional installation** if unsure about handling the fuel system.

- **If the vehicle is heavily modified**, research upgraded blades (e.g., **Stanadyne 9700 series**) for better performance.

For most **stock or standard-use applications**, this part is a **solid, budget-friendly option** that balances cost and reliability effectively.

Details:

Please refer to manufacturer for warranty information. Brand New - Sealed in a Box. All products ship in pristine and original manufacturer packaging. Fuel Sending Unit Included: No.

Fuel Type: Diesel. Terminal Type: Blade. Misc Notes 1: DIESEL PUMP. Part: Fuel Injection Pump.

Contents: Pump. Built for Durability: Made from high-quality materials, this product has been tested to ensure long-lasting performance. KarParts360 For Chevy Express 2500/Express 3500/4500 2010 2016 Fuel Injection Pump Diesel Type Blade Terminal Mechanical External In-Tank Or Male Terminal: Item condition: Brand New in Original Box.

part #: alxpausiip52cla3 price

  • $811.27

specifications carfuelinjector:

  • for models: 2500, 3500
  • for makes: Chevy
  • for years: 2010-2016
  • brand: Karparts360
  • mpn: Alx-pau-si-ip52-cla3
  • type: Automotive
  • item weight: 12.3200
  • item height: 10.000
  • item length: 9.300
  • item width: 8.100
  • fitment type: Direct Replacement
  • generic keywords 1: Part
  • intended use: Automobiles
  • misc fitment notes: See Notes
  • manufacturer warranty: 1 Year
  • upc: 800111897465

seller carfuelinjector:

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  • city: West Chicago, IL
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general carfuelinjector:

  • condition: New
  • Air Fuel Delivery > Fuel Injection Parts > Fuel Injectors
for models: 2500, 3500, for makes: chevy, for years: 2010-2016, type: automotive, item weight: 12.3200, item height: 10.000, item length: 9.300, item width: 8.100, fitment type: direct replacement, generic keywords 1: part, intended use: automobiles, misc fitment notes: see notes, manufacturer warranty: 1 year,
category: auto parts > air fuel delivery > fuel injection parts > fuel injectors, sku: 15710226707737632,
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  • New. Offer #1 priced at $811.27 + $0.00 shipping estimate = $811.27* total. Misc Notes 1: DIESEL PUMP Part: Fuel Injection Pump.FREE SHIPPING

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