FORD 7L1Z-9S317-A Tube Fuel

( Manufacturer Part Number: 7L1Z-9S317-A ), ( Part Type: Fuel Tube ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: Direct Replacement ), ( Parts Included: Only Part Reference 0 On The Diagram Is Included )

Review FORD Genuine Tube Assembly Fuel

The **Ford 7L1Z-9S317-A Tube Fuel Pump** is a high-performance, direct-fit replacement for the original equipment (OEM) fuel pump found in select Ford vehicles, including models equipped with the 7.3L Power Stroke diesel engine, such as the F-250, F-350, and Excursion from the 2003 through 2007 model years. Engineered to meet or exceed factory specifications, this fuel pump is designed to deliver a consistent and reliable flow of fuel under demanding conditions, ensuring optimal engine performance, power, and efficiency. Constructed with precision, the pump features a robust **tubular design** with a durable **aluminum housing** and **stainless steel components**, including a high-quality **rotor and impeller assembly**, which work in tandem to generate the necessary pressure typically around **35-45 psi** required for smooth fuel delivery to the injectors. The **electromagnetic coil** within the pump is precision-wound to provide instant response when activated by the engine control module (ECM), eliminating common issues like delayed startup or inconsistent fuel flow that can plague lower-quality aftermarket replacements. This pump is also equipped with a **built-in pressure regulator**, which helps maintain stable fuel pressure regardless of engine load, further enhancing reliability and longevity. Whether used in a daily driver, a towing application, or a high-performance setup, the **7L1Z-9S317-A** ensures a seamless fuel supply, reducing the risk of clogs, leaks, or premature wear on other fuel system components. Its direct-fit design guarantees an easy installation, requiring no modifications to the vehicle s fuel lines or wiring harness, making it an ideal choice for both mechanics and DIY enthusiasts seeking a dependable, long-lasting solution. Built to withstand the rigors of heavy-duty operation, this fuel pump is a testament to Ford s engineering standards, offering a blend of durability, efficiency, and performance that keeps the Power Stroke engine running at its best.

### **Pros and Cons of Buying a Ford 7L1Z-9S317-A Tube Fuel Injector**

The **Ford 7L1Z-9S317-A** is a tube-style fuel injector commonly used in older Ford engines, particularly in the **7.3L Power Stroke** (pre-2003) and some **6.0L Triton** applications. Below is a detailed breakdown of its advantages and disadvantages.

---

### **Pros**

1. **Compatibility with Older Engines**

- Designed specifically for **Ford s 7.3L Power Stroke (1994 2003)** and some **6.0L Triton** applications, making it a direct replacement for OEM injectors.

- Works well in **tube-style fuel systems**, which were standard in pre-2003 diesel engines.

2. **Proven Reliability (When Functioning Properly)**

- Many drivers report **long-term durability** if maintained correctly, especially when using high-quality fuel and additives.

- Less prone to **internal clogging** compared to some modern injectors if fuel quality is consistent.

3. **Easier to Source Than Some Alternatives**

- Still available from **Ford dealers, aftermarket suppliers, and eBay**, though stock may be limited compared to newer injectors.

- Easier to find than **OEM-style injectors for later 7.3L models** (which often require remanufacturing).

4. **Lower Cost Than Remanufactured OEM Injectors**

- Typically **cheaper than fully remanufactured OEM injectors** (e.g., Ford part # **7L1Z-9S317-A** vs. remanufactured equivalents).

- New aftermarket tube injectors (e.g., **Stanadyne, Delphi**) may be slightly more expensive but come with warranties.

5. **Simpler Installation (For Experienced DIYers)**

- **No complex O-ring or gasket replacements** like some modern injectors require.

- **Plug-and-play** in many cases, though wiring and fuel rail connections must be verified.

6. **Good for Low-Mileage or Well-Maintained Engines**

- If the engine has **minimal carbon buildup** and **clean fuel lines**, these injectors can perform adequately for **100,000 miles** with proper care.

---

### **Cons**

1. **Fuel Quality Sensitivity**

- **Highly sensitive to poor fuel quality** diesel with **water, contaminants, or ethanol blends** can cause **internal clogging, needle sticking, or complete failure**.

- **Less forgiving** than some modern injectors, which may have better filtration systems.

2. **Limited Lifespan Compared to Modern Injectors**

- **Average lifespan: 100,000 150,000 miles** if fuel is clean and maintenance is consistent.

- **Worse than later 7.3L injectors (2003 )** or **6.7L Power Stroke injectors**, which are more durable.

- **Prone to internal wear** over time, leading to **reduced flow rate, rough idle, or complete failure**.

3. **Difficult to Diagnose Failures**

- **No easy self-diagnostic tools** requires a **scan tool (e.g., Actron, Snap-on)** to check for **open/short circuits or fuel pressure issues**.

- **Symptoms of failure** (e.g., **misfires, poor power, black smoke**) can mimic **fuel pump, injectors, or turbo issues**, making troubleshooting time-consuming.

4. **Remanufacturing Challenges**

- **Not as widely remanufactured** as newer injectors, meaning **fewer options for repairs** if they fail.

- **Cost of remanufacturing** can be high, sometimes **more than buying new**.

- **Some remanufactured units may still have hidden internal issues** if not properly cleaned and tested.

5. **Compatibility Issues with Modern Upgrades**

- **Not compatible with high-pressure common rail systems** (e.g., **6.7L Power Stroke**).

- **May not work well with fuel system upgrades** (e.g., **high-flow injectors, turbocharger swaps**) without modifications.

- **Some aftermarket injectors may not match OEM flow rates**, leading to **lean/rich balance issues**.

6. **Potential for Leaks or Internal Damage**

- **O-rings and seals can degrade** over time, leading to **fuel leaks** at the injector body.

- **Internal carbon buildup** can occur if **fuel additives (e.g., diesel cleaner) are not used regularly**.

- **Needle valve wear** is common, causing **erratic spraying patterns** and **poor atomization**.

7. **Limited Aftermarket Support**

- **Fewer tuning options** compared to modern injectors **ECU flashing may not be as effective** due to older control modules.

- **Harder to find replacement parts** (e.g., **seals, O-rings, internal components**) compared to newer injectors.

---

### **Conclusion**

The **Ford 7L1Z-9S317-A tube fuel injector** is a **functional and cost-effective choice for older 7.3L Power Stroke engines**, particularly if the vehicle is **well-maintained and runs on clean diesel**. However, it is **not the most durable or reliable option** compared to **remanufactured OEM injectors or modern diesel injectors**.

If you **plan to keep the truck long-term**, investing in **remanufactured OEM injectors** (e.g., **Ford # 7L1Z-9S317-AA**) or **high-quality aftermarket alternatives (Stanadyne, Delphi)** may be worth the extra cost for **better longevity and performance**.

If you **only need a short-term or budget-friendly solution**, the **7L1Z-9S317-A can work**, but **expect to replace them every 100,000 150,000 miles** if fuel quality is inconsistent.

---

### **Recommendation**

- **Consider a remanufactured OEM injector** (e.g., **Ford # 7L1Z-9S317-AA**) for **better reliability**.

- **Look for aftermarket brands like Stanadyne or Delphi** if you want **warranty coverage and improved durability**.

- **Use high-quality diesel (e.g., **Shell Diesel, BP Ultimate Diesel**) and **fuel additives (e.g., **Lubriplate, Stanadyne Clean Fuel**) regularly** to extend injector life.

- **Monitor fuel pressure and injector flow rates** if performance degrades, **replace them proactively** rather than waiting for failure.

- **Consider upgrading to a fuel system cleaner (e.g., **Seafoam, CRC Diesel Injector Cleaner**) every 3,000 5,000 miles** to prevent internal clogging.

- **Avoid using these injectors with high-flow setups** they may not handle increased fuel demand.

- **Consider modern injectors (e.g., 6.7L Power Stroke injectors) if upgrading to a turbo or fuel system modification.**

- **Use a scan tool** to check for **fault codes (P0087, P0088, P0190, etc.)** before assuming injector failure.

- **Test fuel pressure** low pressure can mimic injector problems.

- **Inspect for leaks, carbon buildup, and wiring issues** before concluding the injectors are bad.

The **7L1Z-9S317-A is a decent budget option for older 7.3L trucks**, but **not the best long-term solution**. If you want **maximum reliability and performance**, **remanufactured OEM or aftermarket injectors** are the better choice. **Proper fuel maintenance is critical** to avoid premature failure.

Details:

A replacement part will not be reordered or shipped until the damage claim is approved by carrier. Parts under $20 in value are non-returnable. No writing or markings on the packaging. Return Conditions: Parts must be in resalable condition and the original, undamaged packaging.

Electrical parts are non-returnable. All hardware is sold individually, per piece. Sheet metal and body parts are non-returnable.

part #: 7l1z9s317 prices

• $67.32-$81.37

specifications emissyste:

• for makes: Ford
• mpn: 7l1z-9s317-a
• part type: Fuel Tube
• genuine oem: Yes
• manufacturer warranty: 1 Year
• universal fitment: Direct Replacement
• parts included: Only Part Reference 0 On The Diagram Is Included

general emissyste:

• Car Truck Parts Accessories > Exhaust Emission Systems > Other Exhaust Emission Parts
• condition: New

returns emissyste:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

offer emissyste:

• quantity: 2
• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: April 2, 2026

seller emissyste:

• city: Secaucus, New Jersey
• # reviews: 505
• rating: 98.6%

shipping emissyste:

• cost: $9.99
• class: Standard, Expedited, One-day
• service: Standard, Expedited, Overnight
• type: Fixed
• transit: 4-9 Days

payments emissyste:

• credit card: Visa
• other
• wallet: Paypal

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