
( Brand: Jaz Products ), ( Manufacturer Part Number: 345-251-03 ), ( Type: Air Induction Fuel Delivery Gt; Fuel Tanks And Fuel Cells Gt; F ), ( Manufacturer Warranty: Manufacturers Limited 1 Year ), ( UPC: 000345251037 )
The **Jaz 345-251-03 Fuel Cell Filler Plate** is a precision-engineered component designed specifically for high-performance drag racing applications, particularly tailored to fit the iconic **45-neck fuel cell** found on many classic and modern dragsters. Crafted from high-grade, corrosion-resistant materials, this filler plate is built to withstand the extreme demands of high-octane racing environments, ensuring durability and reliability under intense heat and pressure. The **6-bolt mounting system** provides a secure, rigid fit, minimizing flex and maximizing structural integrity, which is critical for maintaining fuel cell integrity during high-G launches and aggressive driving conditions. Its sleek, aerodynamic design not only enhances the dragster s aggressive stance but also helps streamline airflow, reducing drag and improving overall performance. Whether installed on a vintage fuel-injected dragster or a modern high-performance machine, this filler plate is a must-have upgrade for enthusiasts seeking both aesthetic refinement and mechanical precision. Built to complement the **Jaz 345 series** of fuel cells, this component seamlessly integrates with existing setups, offering a perfect balance of strength, functionality, and customization for racers who demand nothing less than perfection.
### **Pros and Cons of buying a Jaz 345-251-03 Fuel Cell Filler Plate (Dragster 45 Neck, 6-Bolt)**
#### **Pros:**1. **Compatibility with Ford s Fuel Cell System** This filler plate is designed specifically for Ford s **Dragster 45 neck** fuel cell system, ensuring a proper fit without modifications. It is part of the **345 series**, which is widely used in Ford vehicles with fuel-injected engines, particularly those with the **EFI (Electronic Fuel Injection) system**.
2. **Standardized 6-Bolt Pattern** The **6-bolt mounting pattern** is a common industry standard, making installation easier compared to non-standard designs. This reduces the need for custom adapters or modifications.
3. **Durability and Material Quality** Ford s fuel cell filler plates are typically made from **stamped steel**, which is strong enough to withstand engine bay vibrations and pressure fluctuations. The **cast aluminum** version (if available) would offer better corrosion resistance but may be heavier.
4. **OEM Replacement Part** If this is an **original Ford part**, it ensures **direct compatibility** with the vehicle s fuel system, reducing the risk of leaks or improper sealing. Aftermarket alternatives may not always match the exact specifications.
5. **Widely Available for Ford Models** The **Dragster 45 neck** fuel cell system was used in several Ford vehicles, including:- **Ford Escort (1991-1994, some models)**
- **Ford Tempo / Mercury Topaz (1991-1994)**
- **Ford Taurus (1991-1995, some trims)**
- **Ford Probe (1992-1997)**
- **Mazda Miata (early models, as it shares some Ford components)**
This makes it a **versatile choice** for restorers or collectors working on these vehicles.
6. **Easy to Install** Since it is a **direct replacement**, installation typically involves:- Removing the old filler plate.
- Cleaning the mounting surface.
- Securing the new plate with the **6-bolt pattern** (often using **Torx or socket bolts**).
- Reattaching the fuel line and electrical connectors.
Most mechanics find this a **straightforward job** with basic tools.
7. **Prevents Fuel Leaks** A properly fitted filler plate ensures a **tight seal**, preventing fuel vapors from escaping and reducing the risk of **fire hazards** or **fuel odor** in the engine bay.
8. **Supports Vintage Ford Restorations** If you re restoring a **1990s Ford**, this part is crucial for **maintaining factory specifications**, especially for **classic car shows or concours events** where OEM accuracy is valued.
9. **Available from Multiple Sources** You can find this part from:- **Ford Dealerships (OEM)**
- **Specialty auto parts stores (RockAuto, Summit Racing, Jegs)**
- **Online marketplaces (eBay, Craigslist, Facebook Marketplace)**
- **Classic car swap meets (often sold by restorers)**
10. **Long-Term Reliability** Ford s fuel system components were built to last, and this filler plate, when properly maintained, should **not fail prematurely** if installed correctly.
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#### **Cons:**1. **Potential for Counterfeit or Mismatched Parts** Since this is an **older Ford part**, there is a risk of purchasing a **fake or aftermarket replica** that doesn t fit perfectly. Always verify the **part number (345-251-03)** and **source** before buying.
2. **Age-Related Wear in Original Parts** If you re removing the old filler plate from a **restoration project**, it may be **bent, corroded, or warped**, requiring **machining or replacement** even if the new part is installed correctly.
3. **Limited Availability in Some Regions** While not extremely rare, **older Ford parts** can be harder to find in certain areas. You may need to **order online** or check **junkyards** for a used replacement.
4. **Cost Compared to Aftermarket Alternatives** An **OEM Ford part** will be more expensive than a **generic aftermarket filler plate**. However, aftermarket parts may not guarantee the same **sealing performance** or **durability**.
5. **Requires Proper Sealing** Even with a correct fit, **fuel cell filler plates can leak** if the **gasket or sealing surface** is damaged. You may need to:
- Replace the **rubber gasket** (if included).
- Use **RTV silicone sealant** for extra security.
- Ensure the **mounting surface is clean and free of debris**.
6. **Not Universal Across All Ford Models** While the **Dragster 45 neck** is common, some **Ford vehicles with different fuel cell setups** (e.g., **EEC-IV vs. EEC-V**) may require **additional modifications** if the filler plate doesn t align perfectly.
7. **Potential for Misidentification** If you re unsure whether your vehicle uses the **Dragster 45 neck**, purchasing the wrong filler plate could lead to **compatibility issues**. Always **double-check the fuel cell type** before buying.
8. **Weight Consideration** The **steel version** adds slight weight to the engine bay, which may be negligible but could be a concern in **high-performance or lightweight restoration projects**.
9. **Electrical Connector Compatibility** Some fuel cell filler plates come with **electrical connectors** for fuel pump or pressure sensor wiring. If yours is missing or damaged, you may need to **replace the harness** as well.
10. **Installation Skill Required** While simple, **fuel system work should be done carefully** to avoid:- **Fuel spills** (always relieve fuel pressure before working).
- **Improper torque** on bolts (over-tightening can damage the plate).
- **Ignoring safety precautions** (work in a **well-ventilated area** and avoid open flames).
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### **Conclusion**
The **Jaz 345-251-03 Fuel Cell Filler Plate (Dragster 45 Neck, 6-Bolt)** is a **reliable, OEM-quality replacement** for Ford vehicles with the **Dragster 45 neck fuel system**. It offers **direct compatibility, ease of installation, and long-term durability**, making it an **excellent choice for restorers and mechanics** working on **1990s Ford models**.
However, **potential drawbacks** include:- The risk of **counterfeit parts**.
- **Age-related wear** in the original component.
- **Higher cost** compared to aftermarket alternatives.
- **Requires careful installation** to prevent leaks.
If you re **certain about the part number and your vehicle s compatibility**, this filler plate is a **solid investment** for maintaining **factory specifications** in your restoration project.
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### **Final Recommendation**
**Buy this part if:**- You re restoring a **Ford Escort, Tempo, Taurus, Probe, or Miata** from the **early 1990s**.
- You need an **OEM replacement** for a **Dragster 45 neck fuel cell system**.
- You have **basic mechanical skills** and can perform a **clean installation**.
- You **verify the part number and source** to avoid counterfeits.
**Consider alternatives if:**- You re unsure about the **exact fuel cell type** in your vehicle.
- You find a **high-quality aftermarket filler plate** at a significantly lower price.
- You re working on a **budget-restricted project** and can t afford OEM parts.
**Best Practice:**- **Check the part number** (345-251-03) before purchasing.
- **Compare with your vehicle s fuel cell** to ensure compatibility.
- **Use a gasket or sealant** for extra security.
- **Follow fuel system safety protocols** when installing.
For most **Ford enthusiasts restoring classic vehicles**, this filler plate is a **worthwhile purchase** that ensures **proper function and longevity** of the fuel system.
Can be used for remote fill applications by removing cap. Natural Finish. Cast Aluminum filler 2-1/2 Neck Diameter. Buyer pays return shipping.
Sold as a Kit. Jaz 345-251-03 Fuel Cell Filler Plate - Dragster 45 Degree Neck 6-Bolt Flange Aluminum Natural Kit. Comes complete with Gasket and Installation hardware. Part Number:: Dragster application Fitment.
Aluminum Construction. Vented Twist Lock Cap. 45 Degree Short Filler Neck.