1. Fuel Injectors Offers
  2. sku: 16849941062289603
  3. FEL PRO SX-2137

FEL-PRO SX-2137 Fuel Injector Ring Air Kit 3.8L V6

fits model: Impala. make: Chevrolet. year: 2004–2005.

Sx-2137 Fel-pro Fuel Injector O-ring Kit For 2004-2005 Chevrolet Impala 3.8l V6 Air Qu

( Brand: Fel-pro ), ( Manufacturer Part Number: SX-2137 ), ( Type: Fuel Injector O-ring Kit ), ( Item Weight: 0.0500 ), ( Manufacturer Warranty: 1 Year ), ( Item Width: 4.000 ), ( Item Height: 0.160 ), ( Item Length: 6.000 ), ( Ipn: C284 64-24 ), ( Placement On Vehicle: Air Fuel Delivery Service Kits ), ( Compatible Year: 2005 2004 ), ( 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 Chevrolet 3.8l V6 Air Qu fits IMPALA 2004–2005

The **Fel-Pro SX-2137 Fuel Injector O-Ring Kit** is a precision-engineered replacement solution specifically designed for the **2004 2005 Chevrolet Impala** equipped with the **3.8L V6 air injection** fuel system. This high-quality kit includes a meticulously selected set of **OEM-specification O-rings** and **seals** that ensure a secure, leak-free connection between the fuel injectors and the fuel rail, maintaining optimal performance and preventing fuel leaks a common issue in aging fuel delivery systems. Crafted from **durable, fuel-resistant elastomers**, these components are engineered to withstand the high pressures and temperatures associated with direct fuel injection, providing long-lasting reliability under demanding operating conditions. The kit is compatible with the Impala s **EFI (Electronic Fuel Injection) system**, where precise sealing is critical to preventing fuel vaporization, maintaining proper fuel pressure, and ensuring efficient engine operation. Whether addressing minor leaks, routine maintenance, or a full fuel system overhaul, this kit delivers the tight, consistent sealing required to restore and preserve the integrity of your vehicle s fuel delivery components. Fel-Pro s reputation for **superior quality and compatibility** makes this kit an ideal choice for mechanics and DIY enthusiasts seeking a dependable, long-lasting solution for their Impala s fuel injectors.

Buying the **Fel-Pro SX-2137 Fuel Injector O-Ring Kit** for a 2004-2005 Chevrolet Impala with a 3.8L V6 air injection system has both advantages and drawbacks. Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.

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**Pros:**

1. **High-Quality Materials** Fel-Pro is a well-known brand in the automotive aftermarket, known for producing durable and reliable gaskets, seals, and o-rings. Their products are often engineered to meet or exceed OEM specifications, reducing the risk of leaks or premature failure.

2. **Compatibility** The SX-2137 kit is specifically designed for the 3.8L V6 engine in the 2004-2005 Impala, ensuring a proper fit for the fuel injectors. This minimizes the chance of improper installation, which can lead to leaks or damage.

3. **Preventative Maintenance** Fuel injector o-rings are critical for maintaining a proper seal between the injector and the fuel rail. Over time, these o-rings can degrade due to fuel additives, heat, and pressure, leading to fuel leaks or injector failure. Replacing them as part of routine maintenance can prevent costly repairs down the line.

4. **Ease of Installation** Fel-Pro kits are typically designed for straightforward installation, often including clear instructions or part numbers that match common repair guides. This can save time and reduce frustration during a DIY repair.

5. **Cost-Effective Solution** Replacing o-rings is generally less expensive than dealing with the consequences of a failed injector or fuel system leak. The SX-2137 kit is a relatively affordable option compared to the potential cost of repairing or replacing a damaged injector or fuel rail.

6. **Widely Available** Fel-Pro products are stocked by most auto parts retailers, both online and in-store, making it easy to purchase without long waits or shipping delays.

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**Cons:**

1. **Potential for Overkill** If the fuel injectors and rails are in excellent condition and the leaks are minor, replacing just the o-rings may not be necessary. In some cases, a simple cleaning or tightening of the injectors could resolve the issue without the need for a full o-ring replacement.

2. **Time-Consuming Installation** Replacing fuel injector o-rings requires careful disassembly of the fuel rail and injectors. This process can be time-intensive, especially for someone without prior experience. Improper handling of the injectors or fuel rail could lead to damage or contamination.

3. **Risk of Contamination** Fuel injectors are precision components, and improper handling during installation (e.g., dropping them, exposing them to dirt, or using the wrong tools) can cause internal damage or clogging. This risk is mitigated by following proper procedures, but it remains a potential concern.

4. **Mixed Reviews on Longevity** While Fel-Pro is a reputable brand, some users report that their o-rings may not last as long as OEM parts or higher-end aftermarket alternatives, particularly in vehicles with aggressive driving habits or poor fuel quality. However, this is not universal, and many users report satisfactory performance.

5. **Cost of Additional Tools** If the fuel rail or injectors need to be removed, you may require specialized tools such as a fuel injector removal tool or a torque wrench to ensure proper tightening. These tools can add to the overall cost of the repair if you don t already own them.

6. **Potential for Improper Fit** While the kit is designed for the 2004-2005 Impala, there is always a slight risk of fitment issues, especially if the vehicle has been modified or if there are variations in the fuel rail design. Always verify compatibility with your specific vehicle before purchasing.

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**Conclusion:**

The **Fel-Pro SX-2137 Fuel Injector O-Ring Kit** is a solid choice for replacing fuel injector o-rings on a 2004-2005 Chevrolet Impala with a 3.8L V6 engine. Its high-quality materials, compatibility, and preventative benefits make it a practical option for addressing leaks or maintaining the fuel system. However, it is not a universal fix and may not be necessary if the issue is minor or caused by something other than worn o-rings. The installation process requires care and attention to detail, and the potential for contamination or damage to the injectors should not be overlooked.

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**Recommendation:**

If you are experiencing **fuel leaks, rough idle, misfires, or poor engine performance** that you suspect may be related to fuel injector issues, replacing the o-rings with the **Fel-Pro SX-2137 kit** is a reasonable and cost-effective solution. However, consider the following steps before purchasing:

1. **Diagnose the Issue Properly** Use an **OBD-II scanner** to check for fuel-related trouble codes (e.g., P0171, P0174, P0172, P0175 for lean conditions, or P0190-P0194 for fuel injector issues). If the issue is confirmed to be related to the injectors or o-rings, proceed with the replacement.

2. **Inspect the Injectors and Fuel Rail** If you are comfortable with disassembly, inspect the injectors and fuel rail for signs of damage, corrosion, or carbon buildup. If the injectors appear dirty or worn, consider cleaning them (e.g., with **CRC or Seafoam**) or replacing them entirely if they are old or malfunctioning.

3. **Consider Professional Installation** If you are not experienced with fuel system repairs, consider having a **trusted mechanic** perform the installation. This can help avoid costly mistakes and ensure the job is done correctly.

4. **Explore Alternatives** While Fel-Pro is a good choice, you may also consider **OEM or higher-end aftermarket brands** (e.g., **Dorman, ACDelco, or Gates**) if you want to maximize longevity. However, Fel-Pro is often a reliable mid-range option that strikes a balance between cost and quality.

5. **Pair with Preventative Maintenance** If you are replacing the o-rings as part of routine maintenance, consider also **replacing the fuel filter** and **using a high-quality fuel additive** (e.g., **Techron or Seafoam**) to keep the fuel system clean.

**Final Verdict:** The **Fel-Pro SX-2137 kit is a practical and cost-effective solution** for addressing fuel injector o-ring leaks in your 2004-2005 Impala, provided the issue is confirmed and the installation is performed carefully. If you are unsure about the diagnosis or installation process, consult a professional before proceeding.

Details:

Fel-Pro Fuel Injector O-Ring Kit for 2004 - 2005 Chevrolet Impala 3.8L V6 Air qu: Status: In Stock.

part #: sx2137 prices

  • $21.19-$25.67

specifications carfuelinjector:

  • for models: Impala
  • for makes: Chevrolet
  • for years: 2004-2005
  • brand: Fel-pro
  • mpn: Sx-2137
  • type: Fuel Injector O-ring Kit
  • item weight: 0.0500
  • manufacturer warranty: 1 Year
  • item width: 4.000
  • item height: 0.160
  • item length: 6.000
  • ipn: C284 64-24
  • placement on vehicle: Air Fuel Delivery Service Kits
  • compatible year: 2005 2004
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement
  • bundle description: 1 Pc Genuine Fel-pro Fuel Injector O-ring Kit

shipping carfuelinjector:

  • type: Fixed
  • cost: $0.00
  • service: Standard, Expedited
  • transit: 2-5 Days
  • class: Standard, Expedited

offer carfuelinjector:

  • sold: 0
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  • availability: In Stock
  • quantity: 10
  • started: June 4, 2026

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  • rating: 99.7%
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  • city: Indianapolis, Indiana

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general carfuelinjector:

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

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  • time: 30 Days
for models: impala, for makes: chevrolet, for years: 2004-2005, type: fuel injector o-ring kit, item weight: 0.0500, manufacturer warranty: 1 year, item width: 4.000, item height: 0.160, item length: 6.000, placement on vehicle: air fuel delivery service kits, compatible year: 2005 2004, 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: 16849941062289603,
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