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  3. FEL PRO SX-7846

FEL-PRO SX-7846 Fuel Injector Ring Air Uv Kit 5.7L V8

fits model: 2500, Ram. year: 2011–2018.

Sx-7846 Fel-pro Fuel Injector O-ring Kit For 2011-2018 Ram 2500 5.7l V8 Air Delivery Uv

( Brand: Fel-pro ), ( Manufacturer Part Number: SX-7846 ), ( Type: Fuel Injector O-ring Kit ), ( Item Weight: 0.0500 ), ( Manufacturer Warranty: 1 Year ), ( Item Height: 0.160 ), ( Item Length: 6.000 ), ( Item Width: 4.000 ), ( Ipn: C792 13-35 ), ( Placement On Vehicle: Air Fuel Delivery Service Kits ), ( Compatible Make: Ram ), ( Compatible Year: 2018 2017 2016 2015 2014 2013 2012 2011 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Fel-pro Fuel Injector O-ring Kit )

Review FEL PRO Fuel Injector O ring Kit 5.7l V8 Air Delivery Uv fits RAM 2500 2011–2018

The **Fel-Pro SX-7846 Fuel Injector O-Ring Kit** is a meticulously engineered replacement solution designed specifically for the **2011 2018 Dodge Ram 2500 with the 5.7L HEMI V8 engine**, including variants equipped with **Air (Air Conditioning) and UV (Underhood Ventilation) configurations**. This high-performance kit is crafted to ensure a precise, leak-free seal between the fuel injectors and their mounting ports, mitigating the risk of fuel leaks, vacuum loss, and potential engine performance issues. Engineered from **high-quality nitrile rubber**, these o-rings are formulated to withstand the extreme pressures and temperatures found in high-performance fuel systems, providing superior durability and longevity compared to standard aftermarket alternatives. The kit includes **all necessary o-rings** typically four or five, depending on the exact application along with **clear, color-coded packaging** for easy identification and installation, reducing the chance of mix-ups during service. Fel-Pro s reputation for precision manufacturing ensures that these o-rings meet or exceed OEM specifications, delivering a tight, consistent seal that helps maintain optimal fuel delivery and engine efficiency. Whether performing routine maintenance, addressing fuel system leaks, or upgrading as part of a larger engine service, this kit is an essential component for mechanics and DIY enthusiasts seeking reliable, long-lasting performance in their **Ram 2500 s fuel rail assembly**. Its compatibility with both **Air and UV underhood configurations** makes it a versatile choice for a wide range of applications, ensuring a seamless fit regardless of vehicle setup.

The **Fel-Pro SX-7846 Fuel Injector O-Ring Kit** is a popular choice for maintaining or replacing the O-rings on fuel injectors in a 2011 2018 Ram 2500 with a 5.7L V8 engine, particularly for air-cooled or UV (under-vehicle) applications. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Fel-Pro SX-7846 Fuel Injector O-Ring Kit**

1. **High-Quality Materials**

Fel-Pro is a well-known brand in the aftermarket automotive industry, known for producing durable, high-performance gaskets and seals. Their O-rings are typically made from nitrile rubber, which is resistant to fuel, oil, and heat, ensuring long-lasting performance.

2. **Direct Fitment**

The kit is specifically designed for the 5.7L HEMI V8 engine found in the 2011 2018 Ram 2500, including air-cooled and UV applications. This means the O-rings are engineered to match the exact dimensions and requirements of the fuel injector mounting surfaces, reducing the risk of leaks or improper sealing.

3. **Easy Installation**

The kit includes all necessary O-rings for the fuel injectors, eliminating the need to source parts separately. Fel-Pro s O-rings are pre-cut to size, which simplifies installation and reduces the chance of errors during assembly. The kit typically includes O-rings for the injector body, fuel rail, and other critical sealing points.

4. **Reliability and Leak Prevention**

Properly installed O-rings prevent fuel leaks, which can lead to fuel odors, potential fire hazards, or contamination of the engine bay. Fel-Pro s O-rings are designed to maintain a tight seal under normal operating conditions, reducing the likelihood of leaks over time.

5. **Compatibility with Common Modifications**

The kit is suitable for both stock and modified engines, including those with performance upgrades (e.g., fuel injectors, fuel pumps, or tuning). This makes it a versatile choice for enthusiasts who may be working on their vehicles for improved performance or reliability.

6. **Widely Available and Trusted**

Fel-Pro is a widely distributed brand, meaning the kit is easy to find at auto parts stores, online retailers, or through dealerships. Its reputation for quality also means it is a trusted choice among mechanics and DIYers alike.

7. **Cost-Effective for Maintenance**

While the kit is not the cheapest option on the market, it offers a balance between affordability and quality. Replacing O-rings as part of routine maintenance can prevent more costly issues down the line, such as fuel system failures or engine damage from leaks.

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### **Cons of the Fel-Pro SX-7846 Fuel Injector O-Ring Kit**

1. **Potential Overkill for Minor Maintenance**

If the O-rings on your fuel injectors are still in good condition, replacing them solely for preventive maintenance may not be necessary. O-rings can last for the life of the injectors if properly maintained, so replacing them prematurely adds unnecessary labor and cost.

2. **Installation Requires Care**

While the kit is designed for easy installation, improper handling or installation can still lead to issues. For example, if the O-rings are not properly lubricated with clean fuel or oil before installation, they may not seat correctly, leading to leaks. Additionally, over-tightening the injector or fuel rail can damage the O-rings or the threads.

3. **Limited Longevity in Harsh Conditions**

Although Fel-Pro O-rings are durable, extreme conditions such as prolonged exposure to high heat, contaminants, or aggressive chemicals (e.g., fuel additives) can degrade the rubber over time. In such cases, the O-rings may need to be replaced more frequently than expected.

4. **Cost Compared to Generic Brands**

Fel-Pro O-rings are more expensive than some generic or no-name brands. While the quality is generally superior, budget-conscious buyers may opt for cheaper alternatives, though this could risk reliability.

5. **Requires Disassembly of Fuel System**

Replacing fuel injector O-rings typically involves removing the fuel rail, injectors, and other components, which can be time-consuming and labor-intensive. This may not be ideal for those who prefer minimal disassembly or lack the necessary tools (e.g., injector removal tools, torque wrench).

6. **Potential for Misapplication**

While the kit is designed for the 5.7L HEMI V8, there is a small risk of misapplication if the engine or application varies slightly (e.g., direct-port injection vs. port injection in other years). Always verify compatibility with your specific vehicle and application before purchasing.

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### **Conclusion**

The **Fel-Pro SX-7846 Fuel Injector O-Ring Kit** is an excellent choice for replacing or maintaining the O-rings on fuel injectors in a 2011 2018 Ram 2500 5.7L V8, particularly if you are performing a fuel system overhaul, upgrading injectors, or experiencing leaks. Its high-quality materials, direct fitment, and reliability make it a trusted option for both professionals and serious DIYers. However, it is not without drawbacks: it may be overkill for routine maintenance, requires careful installation, and is more expensive than generic alternatives.

If your fuel injectors are leaking or you are undertaking a significant fuel system upgrade, the Fel-Pro kit is highly recommended. If you are simply performing routine maintenance and the O-rings appear to be in good condition, you may choose to skip replacement unless symptoms (e.g., fuel leaks, poor performance) warrant it.

For most users, the **Fel-Pro kit is the best balance of quality, reliability, and fitment**, making it the top recommendation for this application. Always pair the purchase with proper installation techniques (e.g., cleaning threads, using fuel or oil on O-rings, and following torque specifications) to ensure optimal performance.

Details:

Fel-Pro Fuel Injector O-Ring Kit for 2011 - 2018 Ram 2500 5.7L V8 Air Delivery uv: Status: In Stock.

part #: sx7846 prices

  • $20.53-$29.87

specifications carfuelinjector:

  • for models: 2500, Ram
  • for years: 2011-2018
  • brand: Fel-pro
  • mpn: Sx-7846
  • type: Fuel Injector O-ring Kit
  • item weight: 0.0500
  • manufacturer warranty: 1 Year
  • item height: 0.160
  • item length: 6.000
  • item width: 4.000
  • ipn: C792 13-35
  • placement on vehicle: Air Fuel Delivery Service Kits
  • compatible make: Ram
  • compatible year: 2018 2017 2016 2015 2014 2013 2012 2011
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement
  • bundle description: 1 Pc Genuine Fel-pro Fuel Injector O-ring Kit

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  • city: Indianapolis, Indiana
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  • # reviews: 630267

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

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offer carfuelinjector:

  • sold: 0
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  • started: March 8, 2026
  • quantity: 10
for models: 2500, ram, for years: 2011-2018, type: fuel injector o-ring kit, item weight: 0.0500, manufacturer warranty: 1 year, item height: 0.160, item length: 6.000, item width: 4.000, placement on vehicle: air fuel delivery service kits, compatible make: ram, compatible year: 2018 2017 2016 2015 2014 2013 2012 2011, core charge: free no core charge, fitment type: direct replacement, bundle description: 1 pc genuine fel-pro fuel injector o-ring kit,
category: auto parts > air fuel delivery > fuel injection parts > fuel injectors, sku: 15159528240118603,
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