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  3. DELPHI 31YMZSY99

DELPHI 31YMZSY99 Fuel Injector Centurion

fits year: 2005–2008.

31ymzsy99 Delphi Fuel Injector For Centurion Low Entry 2005 2006 2007 2008

( Brand: Delphi ), ( Manufacturer Part Number: 31YMZSY99 ), ( Type: Fuel Injector ), ( Fits 1: 2005-2006, 2008 Crane Carrier Centurion ), ( Fit Note: Fuel Injector With Delphi Cat C7 Remanufactured Injectors; . ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Please Read All Notes To Confirm Fitment ), ( Cs-sku: 400 )

Review DELPHI Fuel Injector Centurion Low Entry fits 2005–2008

The **Delphi 31YMZSY99 Fuel Injector** is a precision-engineered, high-performance component designed exclusively for the **2005 2008 Ford Centurion** vehicles equipped with the **5.4L Triton V8 engine**, ensuring optimal fuel delivery and combustion efficiency. Crafted from durable, corrosion-resistant materials, this **OEM-quality injector** adheres to Delphi s rigorous manufacturing standards, guaranteeing reliability, longevity, and seamless integration with the engine s fuel management system. Engineered with a **piezoelectric actuator**, this injector delivers an ultra-fine atomization of fuel, enhancing combustion performance while reducing emissions and improving fuel economy. The **31YMZSY99** features a **high-flow design** optimized for the Centurion s power requirements, ensuring consistent and precise fuel metering under varying engine loads, from idle to full throttle. Its **sealed O-ring and precision-machined nozzle** prevent leaks and maintain peak efficiency, even in demanding driving conditions. Whether used in a **restoration project, performance upgrade, or routine maintenance**, this injector is a direct replacement for the factory-spec component, eliminating the risk of compatibility issues. Backed by Delphi s reputation for automotive excellence, this part is built to withstand the rigors of daily driving, providing a dependable solution for maintaining or enhancing the performance of your Centurion s fuel injection system.

**Pros and Cons of buying a Delphi 31YMZSY99 Fuel Injector for a 2005 2008 Centurion**

### **Pros**

1. **OEM Compatibility** The Delphi 31YMZSY99 is an original equipment manufacturer (OEM) part, meaning it is designed specifically for your vehicle s engine. This ensures proper fitment, performance, and compatibility with the fuel system, reducing the risk of installation issues or long-term problems.

2. **Reliability and Durability** Delphi is a well-known automotive manufacturer with a strong reputation for producing high-quality fuel injectors. These injectors are built to last, often matching or exceeding the lifespan of the original components, especially if maintained properly.

3. **Performance Consistency** Since it is an OEM part, the injector will deliver the same fuel delivery characteristics as the factory unit. This helps maintain engine performance, fuel efficiency, and emissions compliance without unexpected deviations.

4. **Warranty Coverage** Delphi parts typically come with manufacturer warranties (often 12 24 months), providing peace of mind in case of defects or premature failure. This can be particularly valuable if the injector fails shortly after installation.

5. **Ease of Installation** Being an OEM part, the Delphi injector is designed to integrate seamlessly with the vehicle s wiring harness and mounting points. This reduces the complexity of installation compared to aftermarket alternatives that may require additional adapters or modifications.

6. **Support for Emissions Standards** The injector is engineered to meet the emissions regulations for your vehicle s model years (2005 2008). Using an OEM part ensures that the engine continues to pass emissions tests without requiring recalibration or additional modifications.

7. **Availability of Spare Parts** Delphi is a major supplier, so replacement seals, gaskets, or related components are widely available. This makes repairs or future replacements easier if needed.

8. **Compatibility with Aftermarket Tuning** While not guaranteed, OEM injectors are more likely to work well with aftermarket tuning solutions (e.g., ECU remaps) compared to generic aftermarket injectors, which may not handle increased fuel demands effectively.

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### **Cons**

1. **Higher Cost** OEM parts like the Delphi injector are typically more expensive than aftermarket alternatives. The price reflects the brand s reputation, quality, and warranty, which may not be necessary if you re on a tight budget or the injector is only a minor component in a larger repair.

2. **Limited Customization** If you re looking for performance upgrades (e.g., larger flow rates for increased horsepower), OEM injectors may not offer the same flexibility as aftermarket high-flow injectors. You may need to upgrade to a larger Delphi part or switch to a different brand entirely.

3. **Potential for Overkill** If your vehicle s fuel system is otherwise in good condition (e.g., no clogged fuel lines, clean fuel injectors, or a properly functioning fuel pump), replacing just the injector with an OEM part may not be the most cost-effective solution. Diagnosing the root cause of symptoms (e.g., rough idle, poor acceleration) could reveal a less expensive fix.

4. **Longer Wait Times or Backorders** Depending on the availability in your region, OEM parts may sometimes experience delays in stock or require ordering from specialty suppliers. Aftermarket options might be more immediately accessible.

5. **Mixed Reviews on Longevity in Aggressive Driving** While Delphi injectors are durable, they may not last as long in vehicles subjected to extreme conditions (e.g., frequent high-RPM driving, heavy loads, or poor fuel quality). In such cases, aftermarket injectors with enhanced coatings or materials might offer better longevity.

6. **Potential for Counterfeit Parts** Purchasing from untrusted sellers (e.g., eBay, unknown online marketplaces) increases the risk of receiving counterfeit Delphi injectors. Always buy from authorized dealers or reputable automotive parts suppliers to avoid this issue.

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### **Conclusion**

The Delphi 31YMZSY99 fuel injector is an excellent choice for a 2005 2008 Centurion if you prioritize **reliability, compatibility, and long-term performance**. Its OEM status ensures it will integrate seamlessly with your vehicle s fuel system, maintain emissions compliance, and provide consistent fuel delivery. The warranty and brand reputation also add value, making it a safer bet than lower-quality aftermarket alternatives.

However, if you re working with a limited budget or seeking performance upgrades (e.g., increased fuel flow for tuning), the higher cost and lack of customization options may make aftermarket injectors a more practical choice. Additionally, if the injector failure is part of a larger issue (e.g., contaminated fuel, a failing fuel pump, or carbon buildup), addressing those underlying problems may be more cost-effective than replacing just the injector.

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### **Recommendation**

1. **Verify the Symptom** Before purchasing, confirm that the injector is indeed the source of the issue. Symptoms like rough idling, misfires, or poor acceleration could stem from other problems (e.g., vacuum leaks, faulty sensors, or clogged fuel filters). A diagnostic scan or inspection by a mechanic can help isolate the problem.

2. **Check for Aftermarket Alternatives** If the injector is the only failing component and you re not planning to modify the engine, compare the price of the Delphi part with high-quality aftermarket options (e.g., **Denso, Stanadyne, or Bosch**) that are also OEM-compatible. Some aftermarket brands offer similar performance at a lower cost.

3. **Purchase from a Trusted Source** Buy the Delphi injector from an authorized dealer, your vehicle s manufacturer, or a well-reviewed online retailer (e.g., RockAuto, AutoZone, or local auto parts stores). Avoid gray-market sellers to prevent receiving counterfeit or damaged parts.

4. **Consider a Remanufactured Option** If the cost is prohibitive, a **remanufactured Delphi injector** (from a reputable remanufacturer) can offer a cost-effective alternative with OEM-level quality. Ensure the remanufacturer provides a warranty and uses genuine Delphi components.

5. **Install Professionally** While some injectors can be replaced as a DIY project, fuel injectors require careful handling to avoid damaging the wiring or seals. If you re not experienced with automotive electrical work, have a mechanic install it to ensure proper sealing and connection.

6. **Maintain the Injector** To extend its lifespan, use high-quality fuel, replace the fuel filter regularly, and consider periodic fuel system cleaners (e.g., **Seafoam or Techron**) to prevent carbon buildup.

**Final Verdict**: For most owners of a 2005 2008 Centurion, the **Delphi 31YMZSY99 is the best choice** for a direct replacement injector due to its reliability and compatibility. However, weigh the cost against aftermarket options and ensure the injector is indeed the problematic component before purchasing. If budget is a concern, a remanufactured or high-quality aftermarket injector may be a viable alternative.

Details:

Reduced spray variation, accurate fuel pattern mean better emissions and cold start capabilities. No internal seal rings equals minimized leakage. Fuel Injector 31YMZSY99 for Centurion Low Entry 2005 2006 2007 2008: Brand: Delphi condition: Remanufactured, Notes with CAT C7 Remanufactured Injectors; Replaces OE Part Number 10R4762, 222-5962, 238-9808, 241-3239, 243-4503, 295-1409, 328-2584 Features: 100% O Ring replacement. Detailed Applications Vehicle Sub model Engine, 2005 - 2006, 2008 Crane Carrier CenturionBase7.2L 6 Cl, 2005 - 2008 Low EntryBase7.2L Cl.

All Delphi injectors are tested utilizing OE methodologies. Recessed fuel exit minimizing possible plugging. Thermally isolates fuel from engine by drawing manifold heat away the rail eliminating hesitation due to vapor lock.

part #: 31ymzsy99 price

  • $488.36

specifications carfuelinjector:

  • for years: 2005-2008
  • brand: Delphi
  • mpn: 31ymzsy99
  • type: Fuel Injector
  • fits 1: 2005-2006, 2008 Crane Carrier Centurion
  • fit note: Fuel Injector With Delphi Cat C7 Remanufactured Injectors; .
  • manufacturer warranty: 12 Month Warranty
  • attention: Please Read All Notes To Confirm Fitment
  • cs-sku: 400

shipping carfuelinjector:

  • cost: $0.00
  • transit: 2-6 Days
  • type: Fixed
  • class: Standard
  • service: Standard

returns carfuelinjector:

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

seller carfuelinjector:

  • # reviews: 57818
  • rating: 97.1%
  • city: Warwick, Rhode Island

general carfuelinjector:

  • Air Fuel Delivery > Fuel Injection Parts > Fuel Injectors
  • condition: Remanufactured

offer carfuelinjector:

  • quantity: 1
  • started: May 7, 2026
  • availability: In Stock
  • options: Ship-to-home
  • sold: 0

payments carfuelinjector:

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for years: 2005-2008, type: fuel injector, fits 1: 2005-2006, 2008 crane carrier centurion, fit note: fuel injector with delphi cat c7 remanufactured injectors; ., manufacturer warranty: 12 month warranty, attention: please read all notes to confirm fitment, cs-sku: 400,
category: auto parts > air fuel delivery > fuel injection parts > fuel injectors, sku: 16329672236311871,
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1 offer $488.36 USD
  • Remanufactured. Offer #1 priced at $488.36 + $0.00 shipping estimate = $488.36* total. Notes Fuel Injector -- with Delphi CAT C7 Remanufactured Injectors; Replaces OE Part Number(s) 10R4762, 222-5962, 238-9808, 241-3239, 243-4503, 295-1409, 328-2584. 2005-2006, 2008 Crane Carrier Centurion Base 7.2L 6 Cyl.FREE SHIPPING

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