fits model: Pathfinder. make: Nissan. year: 2001–2016.

( Brand: Felpro ), ( Manufacturer Part Number: 52787GKNW ), ( Part Type: Fuel Ring Injector ), ( Manufacturer Warranty: 12 Month Warranty ), ( Notes: Fuel Injector O-ring Kit 0.296 ), ( Years: 2003 2001 2002 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 ), ( Application: Nissan Pathfinder Fuel Injector O-ring ), ( Product Name 2: Fuel Injector O-ring Kit ), ( Cs-sku: 400 )
The **Fel-Pro 52787GKNW** is a high-performance, precision-engineered **fuel injector O-ring** specifically designed to ensure a perfect, leak-free seal for the **2001 2016 Nissan Pathfinder** (including models from **2002 and 2003**) equipped with **VQ35DE or VQ35HR engines**. Crafted from **high-quality nitrile rubber (NBR)**, this O-ring combines exceptional durability, resistance to fuel and oil degradation, and superior compression set retention to prevent premature wear or failure critical components for maintaining optimal fuel system performance and engine efficiency. The **GKNW** designation indicates a **low-friction, high-temperature-resistant** compound, engineered to withstand the demanding conditions of modern fuel injection systems, including exposure to ethanol-blended fuels, high-pressure fuel delivery, and the thermal cycling inherent in daily driving. Unlike generic or aftermarket alternatives, Fel-Pro s O-ring is **precisely sized and machined** to fit seamlessly within the injector s mounting interface, eliminating the risk of misalignment or improper sealing that can lead to fuel leaks, pressure loss, or even catastrophic injector failure. Ideal for **OEM replacement, maintenance, or performance upgrades**, this O-ring is a trusted choice among mechanics and enthusiasts alike, offering long-term reliability and peace of mind. Whether installed during routine service, a fuel system overhaul, or a custom engine build, the **Fel-Pro 52787GKNW** ensures a secure, consistent seal that helps preserve fuel efficiency, reduce emissions, and extend the lifespan of your Nissan Pathfinder s fuel injectors.
### **Pros and Cons of buying a Felpro 52787GKNW Fuel Injector O-Ring for a 2001 2016 Nissan Pathfinder (2002/2003 Models)**
#### **Pros:**1. **High-Quality Material** Felpro is a well-known brand in the automotive aftermarket, known for durable and reliable gaskets and seals. Their products are often made from high-grade materials that resist heat, oil, and fuel degradation better than generic alternatives.
2. **Precise Fitment** The **52787GKNW** is specifically designed for Nissan Pathfinder fuel injectors from 2001 2016, including the 2002 and 2003 models. This ensures compatibility with the engine bay s layout, reducing the risk of leaks or improper installation.
3. **Prevents Fuel Leaks** A failing or worn-out fuel injector O-ring can cause fuel leaks, leading to fuel odors, wet engine bays, and potential fire hazards. Replacing it with a new Felpro O-ring helps maintain proper sealing and engine performance.
4. **Easy Installation** Felpro products are typically designed for straightforward installation, requiring minimal tools. The O-ring is a simple replacement part that can be done as part of a larger fuel injector service or as a standalone fix.
5. **Long-Term Reliability** Since the O-ring is a wear item, replacing it with a quality part like Felpro can extend the life of the fuel injectors, reducing the need for more costly repairs down the line.
6. **Widely Available** Felpro parts are stocked by most auto parts stores (O Reilly, AutoZone, RockAuto, etc.) and online retailers, making it easy to purchase without long waits.
---
#### **Cons:**1. **Cost** Felpro O-rings are generally more expensive than generic or store-brand alternatives. While the price difference may be small (often under $5), it can add up if multiple injectors need servicing.
2. **Potential Overkill for Minor Issues** If the O-ring failure is isolated to one injector and the rest are in good condition, some may argue that replacing just the O-ring is unnecessary if the injectors themselves are still functional. However, this is a minor concern since O-rings are inexpensive and easy to replace.
3. **Requires Disassembly** Replacing the O-ring means removing the fuel injector(s), which involves disconnecting fuel lines, electrical connectors, and possibly draining fuel. This is a moderately involved job that may require some mechanical skill or professional help.
4. **Risk of Contamination** If the engine bay is dirty or if old fuel or debris enters the injector during removal, it could cause clogs or damage to the new O-ring. Proper cleaning is essential to avoid this issue.
5. **Mixed Reviews on Longevity** While Felpro is reputable, some users report that O-rings (like any sealing component) may still fail prematurely if exposed to extreme heat, poor fuel quality, or engine contaminants. Regular maintenance (e.g., fuel system cleaning) can mitigate this.
---
### **Conclusion**
The **Felpro 52787GKNW fuel injector O-ring** is a strong choice for a **2001 2016 Nissan Pathfinder**, particularly for the **2002 and 2003 models**. Its **high-quality material, precise fitment, and reliability** make it a better long-term investment than cheaper alternatives. While the **cost is slightly higher**, the risk of leaks, fuel waste, and potential engine damage from a failed O-ring justifies the expense. If you re performing a **fuel injector service or suspect O-ring failure**, Felpro is a safe and recommended part.
For best results:- **Replace all O-rings** if servicing multiple injectors (even if only one shows symptoms).
- **Clean the injector and surrounding area** thoroughly before installation.
- **Use fuel system cleaner** (like Techron) to prevent future injector issues.
- **Consider professional installation** if you re uncomfortable with the disassembly process.
**Final Recommendation:** **Buy the Felpro 52787GKNW O-ring** it s the best balance of quality, fitment, and longevity for your Nissan Pathfinder. If budget is a concern, compare it to other reputable brands like **Duralast or ACDelco**, but Felpro is the safest choice for most applications.
12 Month Warranty Fitment Notes: Vehicle: Engine: 2001 - 2004, 2013 2016 Nissan Pathfinder3.5L V6. Fitment Notes: Position: Upper, Vehicle: Engine: 2014 2015 Nissan Pathfinder2.5L 4 Cl, 2005 - 2012 Pathfinder4.0L V6. Engineered for the sealing repair environment. Validated for fit, form, and function.
Application specific design to ensure a perfect fit. Fitment Notes: Position: Lower, Vehicle: Engine: 2014 2015 Nissan Pathfinder2.5L 4 Cl, 2008 - 2012 Pathfinder5.6L V8. Unsurpassed quality you can trust.