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  2. sku: 15207976907418603
  3. FEL PRO SX-2804

FEL-PRO SX-2804 Fuel Injector Ring Aurora Air Ec Kit 4.0L V8

fits make: Oldsmobile. year: 2001–2003.

Sx-2804 Fel-pro Fuel Injector O-ring Kit For 2001-2003 Oldsmobile Aurora 4.0l V8 Air Ec

( Brand: Fel-pro ), ( Manufacturer Part Number: SX-2804 ), ( 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: C359 49-31 ), ( Placement On Vehicle: Air Fuel Delivery Service Kits ), ( Compatible Model: Aurora ), ( Compatible Year: 2003 2002 2001 ), ( 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 Oldsmobile Aurora 4.0l V8 Air Ec fits 2001–2003

The **Fel-Pro SX-2804 Fuel Injector O-Ring Kit** is a precision-engineered replacement solution specifically designed for the **2001 2003 Oldsmobile Aurora** equipped with the **4.0L V8 Air EC (Electronic Controlled)** fuel injection system. This high-performance kit ensures a secure, leak-free seal for the fuel injectors, preventing fuel leaks, vacuum loss, and potential engine performance issues that can arise from degraded or improperly fitted O-rings. Crafted from **high-quality nitrile rubber**, these O-rings are engineered to withstand the demanding conditions of high-pressure fuel delivery systems, offering superior resistance to fuel, heat, and engine fluids while maintaining flexibility under dynamic operating temperatures. The kit includes all necessary components **two fuel injector O-rings, two gasket sealants, and two injector boot seals** to facilitate a complete and hassle-free installation, ensuring that each injector is properly seated and sealed without the risk of cross-contamination or improper compression. Ideal for both professional mechanics and DIY enthusiasts, this kit adheres to strict OEM specifications, guaranteeing a reliable fit that restores optimal fuel flow and engine efficiency. Whether addressing a minor fuel leak, preparing for a fuel system overhaul, or simply performing routine maintenance, the **Fel-Pro SX-2804** provides the durability and precision needed to maintain the integrity of your Aurora s fuel injection system, helping to extend the lifespan of your engine and prevent costly fuel-related malfunctions.

The **Fel-Pro SX-2804 Fuel Injector O-Ring Kit** is a common choice for replacing O-rings on fuel injectors in a 2001 2003 Oldsmobile Aurora with a 4.0L V8 Air EC system. 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-2804 Fuel Injector O-Ring Kit**

1. **High Quality Materials** Fel-Pro is a well-respected brand known for durable, high-performance gaskets and O-rings. Their products are designed to resist fuel, heat, and pressure, which is critical for fuel injectors operating under demanding conditions.

2. **Proper Fit for the Application** The SX-2804 kit is specifically engineered for GM s 4.0L V8 Air EC fuel injectors, ensuring compatibility with the 2001 2003 Oldsmobile Aurora. This reduces the risk of leaks or improper sealing compared to generic or aftermarket alternatives.

3. **Pre-Lubricated for Easier Installation** Fel-Pro O-rings are often pre-lubricated with a fuel-resistant compound, making installation smoother and reducing the chance of damage during handling.

4. **Wide Availability and Reliability** Fel-Pro parts are widely stocked at auto parts stores, dealerships, and online retailers, ensuring easy access. Their reputation for reliability means they are a trusted choice among mechanics and DIYers.

5. **Cost-Effective for the Longevity Provided** While not the cheapest option, the kit offers a balance between affordability and performance. Replacing O-rings is a relatively low-cost maintenance task compared to potential fuel system failures caused by leaks.

6. **Compatibility with Aftermarket Injectors** If you plan to upgrade to aftermarket injectors (e.g., from a brand like **Megajet, Jet-Ecologic, or Delphi**), Fel-Pro s O-rings are often a good fit, avoiding the need for multiple part numbers.

7. **Minimal Downtime** Replacing O-rings is a straightforward job that typically takes 1 2 hours with basic tools. Using a quality kit like this reduces the likelihood of repeat failures, saving time in the long run.

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### **Cons of the Fel-Pro SX-2804 Fuel Injector O-Ring Kit**

1. **Price Compared to Generic Kits** Fel-Pro O-rings are more expensive than no-name or budget-brand alternatives. For example, a generic 4-pack of O-rings might cost half as much as the Fel-Pro kit. If cost is the primary concern, cheaper options exist, though with potential trade-offs in quality.

2. **Potential Overkill for Minor Leaks** If the fuel injector leaks are minor (e.g., a slow drip rather than a steady stream), some may argue that replacing just the faulty O-ring(s) rather than the entire kit is sufficient. However, since injectors are removed for servicing anyway, replacing all O-rings is often recommended to prevent future issues.

3. **Requires Proper Installation Technique** Even high-quality O-rings can fail if not installed correctly. Improper handling (e.g., stretching, cross-threading, or inadequate lubrication) can lead to leaks. This kit assumes the user has basic mechanical skills or is working with a professional.

4. **Not a Permanent Fix for Underlying Issues** If the fuel injectors themselves are worn, clogged, or failing, replacing O-rings will only address the sealing issue temporarily. Symptoms like rough idle, misfires, or poor fuel economy may persist if the injectors need cleaning or replacement.

5. **Fuel System Contamination Risk** If old O-rings are not removed carefully, debris could enter the fuel system during installation. This is mitigated by using a fuel filter and ensuring cleanliness during the process.

6. **Limited Warranty (If Applicable)** Fel-Pro parts typically come with a limited warranty (often 12 24 months), but this does not cover installation errors or pre-existing conditions. Generic brands may offer no warranty at all.

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### **Conclusion**

The **Fel-Pro SX-2804 Fuel Injector O-Ring Kit** is a strong choice for the 2001 2003 Oldsmobile Aurora s 4.0L V8 Air EC fuel injectors due to its reliability, proper fit, and high-quality materials. While it is more expensive than generic alternatives, the trade-off in performance and longevity is often justified, especially for those who prioritize durability and ease of installation. The kit is ideal for both DIY enthusiasts and professionals, provided the installation is done carefully.

If budget is a major concern and the leaks are not severe, a generic O-ring kit from a reputable brand (e.g., **Duralast, ACDelco, or MSD**) could be a cost-effective alternative. However, for most users, the peace of mind and reduced risk of future leaks make Fel-Pro the better long-term investment.

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### **Recommendation**

**Use the Fel-Pro SX-2804 O-Ring Kit** if:

- You want the highest quality and reliability for your fuel injectors.

- You are replacing all O-rings as a preventive measure or during injector maintenance.

- You plan to keep the vehicle long-term and want to avoid repeated fuel system issues.

- You are comfortable with basic mechanical work or have access to a mechanic.

**Consider a generic alternative** if:

- You are on a tight budget and the leaks are minor.

- You are confident in your ability to source compatible O-rings from a trusted brand (e.g., **ACDelco 1234567** or **Duralast 4000**).

- You are only addressing a single leaking injector and not performing a full service.

**Additional Tips:**

- Always replace all O-rings on the injectors, even if only one is leaking, to prevent future issues.

- Use fuel system cleaner (e.g., **Seafoam, CRC Fuel Injector Cleaner**) before and after the job to ensure clean injectors.

- If the injectors are old or showing signs of wear (e.g., erratic performance), consider cleaning or replacing them alongside the O-rings.

- Follow the manufacturer s torque specifications when reinstalling injectors to avoid damage.

Details:

Fel-Pro Fuel Injector O-Ring Kit for 2001 - 2003 Oldsmobile Aurora 4.0L V8 Air ec: Status: In Stock.

part #: sx2804 prices

  • $22.89-$97.05

specifications carfuelinjector:

  • for makes: Oldsmobile
  • for years: 2001-2003
  • brand: Fel-pro
  • mpn: Sx-2804
  • 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: C359 49-31
  • placement on vehicle: Air Fuel Delivery Service Kits
  • compatible model: Aurora
  • compatible year: 2003 2002 2001
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement
  • bundle description: 1 Pc Genuine Fel-pro Fuel Injector O-ring Kit

general carfuelinjector:

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

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  • started: March 10, 2026
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for makes: oldsmobile, for years: 2001-2003, 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 model: aurora, compatible year: 2003 2002 2001, 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: 15207976907418603,
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