1. Fuel Injectors Offers
  2. sku: 15154536733727721
  3. FEL PRO SX-0119

FEL-PRO SX-0119 Fuel Injector Ring Vii Air Kit 5.0L V8

fits model: Er, Mark. make: Lincoln. year: 1986–1992.

Sx-0119 Fel-pro Fuel Injector O-ring Kit For 1986-1992 Lincoln Mark Vii 5.0l V8 Air Er

( Brand: Fel-pro ), ( Manufacturer Part Number: SX-0119 ), ( 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: C345 48-15 ), ( Placement On Vehicle: Air Fuel Delivery Service Kits ), ( Compatible Model: Mark Vii ), ( Compatible Year: 1992 1991 1990 1989 1988 1987 1986 ), ( 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 Lincoln Vii 5.0l V8 Air fits MARK ER 1986–1992

The **Fel-Pro SX-0119 Fuel Injector O-Ring Kit** is a meticulously engineered replacement solution designed specifically for the **1986 1992 Lincoln Town Car (Mark VII) equipped with the legendary 5.0L Ford Modular V8 engine**, particularly those configured with **Air Injection Reaction (AIR) systems**. This high-performance kit is crafted to ensure a precise, leak-free seal between the fuel injectors and their mounting ports, preventing fuel leaks, vacuum loss, and potential engine performance degradation critical concerns for maintaining optimal fuel delivery and emissions compliance in this classic luxury vehicle. Engineered from **high-quality, heat-resistant nitrile rubber**, the O-rings in this kit are formulated to withstand the demanding conditions of high-pressure fuel systems, extreme underhood temperatures, and prolonged exposure to fuel vapors, oils, and engine fluids without degrading or cracking. The kit includes all necessary **O-rings, gaskets, and seals** required for a complete and comprehensive replacement, ensuring that every connection point from the injector body to the fuel rail and AIR system components is properly sealed. Whether addressing a persistent fuel leak, preparing for a fuel system overhaul, or performing routine maintenance to extend the lifespan of the fuel injectors, this Fel-Pro kit delivers the reliability and precision needed to keep the 5.0L V8 running smoothly while preserving the vehicle s original performance and emissions integrity. Built to meet or exceed OEM specifications, the SX-0119 kit is a trusted choice for mechanics and enthusiasts alike, offering a seamless fit and long-lasting durability for one of the most iconic American V8 engines of the late 20th century.

### **Pros and Cons of buying a Fel-Pro SX-0119 Fuel Injector O-Ring Kit for a 1986 1992 Lincoln Town Car 5.0L V8 (Air Injection System)**

#### **Pros:**

1. **High-Quality Materials** Fel-Pro is a well-regarded brand known for durable, high-performance gaskets and seals. Their O-rings are designed to resist fuel, heat, and pressure, which is critical for fuel injectors in a 5.0L V8.

2. **Direct Fitment** The SX-0119 kit is specifically engineered for the 1986 1992 Lincoln Town Car 5.0L V8 with the air injection system. This reduces the risk of sizing issues or compatibility problems that can occur with generic O-rings.

3. **Prevents Fuel Leaks** Worn or degraded O-rings can cause fuel leaks, leading to misfires, poor performance, or even fire hazards. Replacing them ensures a tight seal, maintaining proper fuel delivery.

4. **Easy Installation** The kit includes all necessary O-rings for the fuel injectors, simplifying the replacement process. No additional parts are required beyond basic tools.

5. **Cost-Effective Solution** Replacing O-rings is far cheaper than dealing with potential engine damage caused by fuel leaks or injector failure. A small investment now can prevent costly repairs later.

6. **Improves Engine Performance** If the original O-rings were failing, replacing them can restore proper fuel flow, leading to smoother operation, better fuel economy, and reduced emissions.

7. **Prevents Contamination** Old O-rings can degrade and introduce debris into the fuel system, clogging injectors or fuel lines. Fresh O-rings ensure a clean fuel path.

8. **Warranty Coverage** Fel-Pro products often come with a warranty, providing peace of mind in case of manufacturing defects.

---

#### **Cons:**

1. **Limited Availability** Fel-Pro parts may not be as widely stocked as aftermarket alternatives, requiring an online purchase or special order from an auto parts retailer.

2. **Potential Overkill for Minor Issues** If the O-rings were only slightly worn and not the root cause of symptoms (e.g., a failing fuel pump or clogged injector), replacing just the O-rings may not fully resolve the problem. A diagnostic check is advisable before purchasing.

3. **Installation Requires Care** While the kit is straightforward, improper handling of the O-rings (e.g., stretching, misalignment, or contamination) can lead to leaks. Careful installation is necessary to avoid voiding the benefits.

4. **Cost Compared to Aftermarket Alternatives** Fel-Pro is premium-priced, and some aftermarket brands offer similar O-rings at a lower cost. However, quality may vary, and cheaper options might not last as long.

5. **Time-Consuming if DIY** Replacing fuel injector O-rings requires removing the injectors, which involves disconnecting fuel lines, electrical connectors, and possibly the intake manifold. This can be time-intensive for inexperienced mechanics.

6. **Risk of Mixing Up O-Rings** If the kit includes multiple sizes or types, there is a small chance of installing the wrong O-ring on the wrong injector, leading to leaks. Double-checking is essential.

---

### **Conclusion:**

The **Fel-Pro SX-0119 Fuel Injector O-Ring Kit** is a **reliable, high-quality choice** for maintaining or restoring the fuel system in a 1986 1992 Lincoln Town Car 5.0L V8. Its direct fitment, durability, and prevention of leaks make it a **strong recommendation** if you suspect O-ring failure is contributing to engine issues. However, it is not a universal fix **diagnosing the root cause** (e.g., fuel pressure, injector health, or electrical issues) is crucial before purchasing.

If the symptoms (e.g., rough idle, check engine light, fuel leaks) align with known O-ring wear, this kit is a **practical and cost-effective solution**. For those uncomfortable with DIY fuel system work, a professional mechanic can install them efficiently.

**Final Recommendation:** **Buy the Fel-Pro SX-0119 kit** if:

- You have confirmed or suspect O-ring failure.

- You are prepared to install them carefully or have access to a mechanic.

- You prioritize long-term reliability over the lowest upfront cost.

**Avoid it if:**

- The issue is not confirmed to be O-ring-related (get a diagnostic scan first).

- You are unwilling to invest the time or effort in proper installation.

- You find a similarly rated aftermarket kit at a significantly lower price and are comfortable with the risk of quality variation.

Details:

Fel-Pro Fuel Injector O-Ring Kit for 1986 - 1992 Lincoln Mark VII 5.0L V8 Air Er: Status: In Stock.

part #: sx0119 prices

  • $13.37-$33.65

specifications carfuelinjector:

  • for models: Er, Mark
  • for makes: Lincoln
  • for years: 1986-1992
  • brand: Fel-pro
  • mpn: Sx-0119
  • 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: C345 48-15
  • placement on vehicle: Air Fuel Delivery Service Kits
  • compatible model: Mark Vii
  • compatible year: 1992 1991 1990 1989 1988 1987 1986
  • 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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  • sold: 0
  • options: Ship-to-home
  • quantity: 10
  • started: March 8, 2026
  • availability: In Stock

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  • city: Indianapolis, Indiana
  • rating: 99.5%
  • # reviews: 630255

general carfuelinjector:

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

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for models: er, mark, for makes: lincoln, for years: 1986-1992, 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: mark vii, compatible year: 1992 1991 1990 1989 1988 1987 1986, 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: 15154536733727721,
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