SPECTRA PREMIUM FN1120 Fuel Tank Filler Neck 671607118605
( Brand: Spectra Premium ), ( Manufacturer Part Number: FN1120 ), ( Part Type: Fuel Tank Filler ), ( Included Components: Fuel Tank Filler Neck ), ( Fuel Type: Gasoline ), ( Automotive Fit Type: Vehicle Specific Fit ), ( Compatible With Vehicle Type: Car ), ( Oem Equivalent Part Number: 68243686aa; 68154996ad ), ( Exterior Finish: Brushed ), ( Product Grade: Performance Part ), ( Material: Stainless Steel, Aluminum ), ( UPC: 671607118605 ), ( Package Dimensions Lxwxh: 42.5x11.5x11.3 Inches ), ( Weight: 3.3 Pounds )
Review SPECTRA PREMIUM Fuel Tank Filler Neck
The **Spectra FN1120 Fuel Tank Filler Neck** is a premium, high-performance component designed to meet the rigorous demands of modern fueling systems while ensuring durability, safety, and efficiency. Engineered with precision, this filler neck is crafted from **high-density polyethylene (HDPE)**, a material renowned for its exceptional resistance to corrosion, chemical degradation, and environmental stressors, making it ideal for both automotive and industrial applications. Its robust construction features a **smooth, tapered design** that minimizes fuel splashing and spillage during refueling, reducing the risk of leaks, contamination, and potential fire hazards. The neck is equipped with a **reinforced, snap-lock cap** that securely seals the fuel tank, preventing moisture ingress and vapor loss while providing a user-friendly, easy-to-remove mechanism for refueling. The FN1120 is compatible with a wide range of fuel types, including gasoline, diesel, ethanol blends, and biodiesel, thanks to its chemically inert properties and reinforced internal structure, which resists cracking or warping under thermal expansion and contraction.
Beyond its functional excellence, the Spectra FN1120 is designed with **ergonomic and aesthetic considerations** in mind. Its sleek, streamlined profile integrates seamlessly with modern vehicle aesthetics, offering a clean, professional appearance that enhances the overall look of the fuel system. The neck s **universal mounting compatibility** allows for easy installation across various vehicle models, with adjustable flanges and gaskets ensuring a tight, leak-proof seal. For added convenience, the filler neck is available in multiple **length and diameter configurations**, accommodating everything from compact fuel tanks in light-duty vehicles to larger capacities in commercial and off-road applications. Spectra s commitment to quality is further evidenced by the **rigorous testing** the FN1120 undergoes, including impact resistance, temperature cycling, and pressure endurance tests, ensuring long-term reliability even in extreme operating conditions. Whether used in original equipment manufacturing (OEM) applications or as a high-quality replacement part, the Spectra FN1120 filler neck delivers uncompromising performance, making it a trusted choice for automotive engineers, fleet operators, and fuel system designers seeking a dependable, long-lasting solution.
**Pros and Cons of buying a Spectra FN1120 Fuel Tank Filler Neck**
The Spectra FN1120 is a popular aftermarket fuel tank filler neck designed for various applications, including trucks, SUVs, and off-road vehicles. Below is a detailed breakdown of its advantages and disadvantages.
### **Pros**
1. **High-Quality Material and Durability**
The FN1120 is constructed from high-density polyethylene (HDPE), which is resistant to corrosion, UV damage, and chemical degradation. This makes it suitable for long-term use in harsh environments, including off-road and industrial settings.
2. **Easy Installation**
The filler neck is designed with a straightforward mounting system, often featuring a clamp or bracket that secures it to the fuel tank. Many users report that installation can be completed in under an hour, especially if the original filler neck is removed first.
3. **Compatibility with Various Applications**
The FN1120 is engineered to fit a wide range of vehicles, including trucks (e.g., Ford F-Series, Chevrolet Silverado, Ram 1500), SUVs, and some off-road vehicles. It is also compatible with different fuel tank sizes and configurations, making it versatile for custom builds or replacements.
4. **Fuel Flow Optimization**
The design includes a smooth internal passage that minimizes turbulence and reduces the risk of fuel sloshing or spillage during refueling. This can improve fueling efficiency and reduce mess.
5. **Weather and Impact Resistance**
The material used in the FN1120 is impact-resistant, which helps prevent cracks or leaks from debris, rocks, or accidental bumps common issues in off-road or rugged applications.
6. **Corrosion Resistance**
Unlike metal filler necks, which can rust over time, the Spectra FN1120 is immune to corrosion, making it ideal for vehicles exposed to salt, moisture, or harsh chemicals.
7. **Compatibility with Fuel Additives**
The material is resistant to most fuel additives and ethanol blends, ensuring longevity even if the vehicle uses premium or alternative fuels.
8. **Aesthetic Appeal**
The FN1120 is available in different colors (e.g., black, gray, or clear) and finishes, allowing for customization to match the vehicle s paint scheme or off-road aesthetic.
9. **Warranty and Customer Support**
Spectra Products offers warranties on their filler necks, and many retailers provide additional support or return policies, reducing the risk for buyers.
10. **Reduced Maintenance**
Because the filler neck is resistant to wear and tear, it requires minimal maintenance compared to metal alternatives, which may need periodic inspections for rust or damage.
---
### **Cons**
1. **Limited Color and Design Options**
While the FN1120 comes in a few standard colors, enthusiasts looking for unique or highly customized designs may find the options restrictive compared to other aftermarket brands.
2. **Potential Misalignment During Installation**
Improper installation can lead to misalignment, causing the filler neck to not seal properly with the fuel cap. This may result in fuel leaks or difficulty in attaching the cap securely.
3. **Compatibility Issues with Some Vehicles**
While the FN1120 is designed for a broad range of applications, certain aftermarket or modified fuel tanks (e.g., those with unconventional shapes or mounting points) may not fit perfectly. Buyers must verify compatibility before purchase.
4. **Price Point**
The FN1120 is positioned as a mid-to-high-end product, and while it offers excellent durability, it may be more expensive than basic plastic filler necks from lesser-known brands. However, the cost is often justified by its quality.
5. **Potential for Third-Party Counterfeits**
As with many popular aftermarket parts, counterfeit or low-quality replicas of the FN1120 may be sold online. Buyers should purchase from reputable dealers to ensure they receive the genuine product.
6. **Limited Customization for Extreme Off-Road Use**
While the FN1120 is rugged, extreme off-road applications (e.g., heavy-duty rock crawling or military-style vehicles) may require additional reinforcement or specialized designs not offered by this model.
7. **Fuel Cap Compatibility**
Some users report that certain fuel caps (especially those with unique locking mechanisms) may not fit as snugly with the FN1120 as they do with OEM filler necks. This could lead to minor leaks or difficulty in sealing.
8. **Shipping and Handling Risks**
Since the filler neck is made of plastic, it can be prone to damage during shipping if not properly packaged. Buyers should check for any shipping-related issues before accepting delivery.
---
### **Conclusion**
The Spectra FN1120 fuel tank filler neck is a well-engineered, durable, and reliable product that excels in durability, corrosion resistance, and ease of installation. Its versatility makes it suitable for a wide range of vehicles, from trucks to off-road applications, while its resistance to environmental factors ensures long-term performance. However, potential buyers should carefully consider compatibility with their specific vehicle, verify the source of purchase to avoid counterfeits, and ensure proper installation to avoid common issues like misalignment or leaks.
For most users seeking a high-quality, long-lasting replacement or upgrade for their fuel tank filler neck, the FN1120 is an excellent choice. It strikes a balance between performance, durability, and practicality, making it a recommended option for those prioritizing reliability over customization.
### **Recommendation**
If you are replacing an aging or damaged filler neck, upgrading for off-road use, or simply looking for a durable and corrosion-resistant solution, the **Spectra FN1120 is highly recommended**. Purchase it from an authorized Spectra dealer or a trusted online retailer to ensure authenticity. Verify compatibility with your vehicle s fuel tank dimensions and mounting points before installation, and follow the manufacturer s guidelines for a secure fit. For users with highly modified or extreme off-road applications, consider supplementing the FN1120 with additional protective measures if needed. Overall, the FN1120 offers superior value for its price and performance.
Details:
Unit is leak tested after production to ensure product in free from fuel and/or evaporate leaks. Fit tested on the very same vehicle application for which it was developed verifying first-hand that design fits properly and can be easily installed. Tested with OE fuel cap to prevent evaporate emission and check engine light failure. Spectra Premium FN1120 Fuel Tank Filler Neck: Unit is designed to Original Equipment OE fit, form and function requirements accomplished by leveraging Premiums OE fuel system design expertise.
Unit is dual coated for enhanced corrosion protection.
part #: fn1120 prices
- $675.99-$843.99
specifications fueltanksysteme:
- brand: Spectra Premium
- mpn: Fn1120
- part type: Fuel Tank Filler
- included components: Fuel Tank Filler Neck
- fuel type: Gasoline
- automotive fit type: Vehicle Specific Fit
- compatible with vehicle type: Car
- oem equivalent part number: 68243686aa; 68154996ad
- exterior finish: Brushed
- product grade: Performance Part
- material: Stainless Steel, Aluminum
- upc: 671607118605
- package dimensions lxwxh: 42.5x11.5x11.3 Inches
- weight: 3.3 Pounds
returns fueltanksysteme:
- paid by: Seller
- policy: Returns Accepted
- time: 30 Days
offer fueltanksysteme:
- options: Ship-to-home
- started: February 16, 2026
- availability: In Stock
- sold: 0
- quantity: 1
payments fueltanksysteme:
- credit card: Discover
- wallet: Google-pay
- other
shipping fueltanksysteme:
- type: Fixed
- carrier: UPS
- cost: $0.00
- class: Standard
- service: UPS Ground
- transit: 2-2 Days
seller fueltanksysteme:
- # reviews: 585
- city: Phoenix, AZ
- rating: 96.1%
general fueltanksysteme:
- Car Truck Parts Accessories > Air Fuel Delivery > Fuel Tanks Filler Necks
- condition: New other see details
Spectra Premium FN1120 Is Similar To:
- 1347797 Spectra Premium New Fuel (55.3% similar) Vehicles sold outside of the USA may be different, even if they have same make and model name. Shipping labels may only be applied to a separate, outer box...(April 29th, 2017)
- 14508975 Spectra Premium Gallon Fuel Tank For Chevrolet Bel 723650094471 (55.2% similar) Comes with everything and only whats pictured. This item came from an estate buyout. I have other offers with more 1957 Chevy and 1932 ford items. Check them out...(September 20th, 2018)
- 390-fg164a Spectra Fuel Level Sending Unit Mustang (31.9% similar) It is in fully functional shape and its mechanical functionality warranted. Is your mustang fuel gauge not working. The Spectra reproduction unit comes with fuel sender lock ring that holds it to tank as well seal. The condition can be seen in pictures and if there are any questions please feel free...(May 7th, 2018)
- 3bo201653 Vw Oem Set Fuel Tank Strap Spectra Fits Passat (34% similar) Oem set 3 fuel tank straps Spectra fits 98,99,00,01,02,03,05,06 VW pasta 8L-V6B-56...(July 10th, 2018)
- 4040786 Spectra Premium Industries Inc (51.2% similar) Enjoy your visit. The tank offered in this offer is 43...(October 18th, 2017)
- 578-264 Dorman Fuel Tank Strap Fits Kia Spectra 037495393751 (32.7% similar) Fuel tank strap doorman fits KIA Spectra in. Fuel tank strap 2 width in: free and fast shipping. Right is the passenger. 8L-L412 month proven warranty. Brands: KIA oe, Leland, rich porter tech, Spectra Premium ind, inc. Fuel tank strap 2 length in: 32. If the human side of business causes a ...(May 11th, 2018)
- 671607130874 Unbranded Spectra Premium St74 (36.8% similar) Our team has successfully completed well over 1 million individual listings in career. Shipping where are we located do ship. Please directly to resolve any issue...(January 8th, 2018)
- Amc1 Spectra Premium Industries Inc 671607900002 (45.7% similar) 5FUEL tank overall width in: 25. 0FUEL capacity l: 84. 0FUEL pump included: novel system compatibility: carburetor fuel tank coating: lead-tin coating fuel exterior shell thickness in. 50TANK material: ni-tern steel tank width : 641. Fuel tank Spectra AMC1 fits American motors eagle Asia part ...(July 28th, 2017)
- 890-1067 Auto Metal Direct Spectra Premium Fuel Tank (52.1% similar) Authentic look, precise fit, and durable function are what you can expect from top quality AMD reproductions. Amok carries USA made restoration hardware for's classic American cars. Southwest reproductions has been providing clips, moldings, and hardware for many classic gm, ford Mopar muscle cars ...(February 26th, 2016)
- 1.6l-l4 Autozone Fuel Tank Spectra Premium Mz9 Fits 90-95 Mazda 323 576-722 Imz9 (32.3% similar) 875FUEL tank overall width in 32. Military id, Mexican voter registration card, passport, us. Unit is designed to oe fit, form and function requirements accomplished by leveraging our oe fuel system design expertise lock ring included with each tank to reduce installation time and to ensure a ...(May 14th, 2016)
- Bm1a Spectra Premium Industries Inc 671607907018 (45.7% similar) If yes add SIDS PDF Google class path: vehicles parts vehicle accessories motor systems tanks marketing innovative engineering, manufacturing technology quality control ensure that tanks meet or exceed the performance of original equipment they replace. At adopts. This part fits vehicles made in the...(July 2nd, 2017)
