DORMAN OE SOLUTIONS SX-1775 Fuel Filler Neck Air 5.3L V8

( Brand: Dorman Oe Solutions ), ( Manufacturer Part Number: SX-1775 ), ( Type: Fuel Filler Neck ), ( Placement On Vehicle: Air Fuel Delivery Fuel Storage ), ( Item Width: 5.850 ), ( Item Height: 4.650 ), ( Item Length: 29.110 ), ( Manufacturer Warranty: 1 Year / 2 Years / 3 Years / 5 Years Depending On Part ), ( Ipn: C757 65-41 ), ( Compatible Model: Express 1500 ), ( Compatible Year: 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Dorman Fuel Filler Neck )

Review DORMAN OE SOLUTIONS Fuel Filler Neck Chevrolet Express 5.3l V8 Air Ra fits 1500 2004–2014

The **Dorman SX-1775 Fuel Filler Neck** is a precision-engineered replacement part designed specifically for the **2004 2014 Chevrolet Silverado 1500** equipped with the **5.3L Vortec V8 (Air Ra)** engine, ensuring a seamless and secure fit for your vehicle s fuel system. Crafted from high-quality, durable materials, this fuel filler neck is built to withstand the demands of daily driving, harsh weather conditions, and the rigors of long-haul towing, making it an ideal choice for both performance enthusiasts and everyday truck owners. The part features a **tight-sealing rubber gasket** that prevents fuel leaks and vapor loss, maintaining optimal fuel efficiency while keeping your cabin free from the scent of gasoline. Its **robust metal housing** is designed to resist corrosion, ensuring longevity even in environments exposed to salt, moisture, or extreme temperatures. The **smooth, ergonomic design** of the filler neck allows for easy access to the fuel cap, reducing the risk of spills and simplifying refueling, whether you re filling up at a gas station or using a portable fuel can. Compatible with the **Air Ra s** unique fuel system architecture, this replacement part eliminates the need for modifications, providing a direct drop-in solution that restores both functionality and aesthetics to your truck s exterior. Whether you re addressing a worn-out original component, upgrading for better durability, or restoring a classic Silverado, the **Dorman SX-1775** delivers the reliability and performance you expect from a trusted brand in aftermarket automotive parts.

### **Pros and Cons of buying a Dorman SX-1775 Fuel Filler Neck for a 2004 2014 Chevrolet 1500 5.3L V8 Air Ra**

1. **Direct Fitment** Designed specifically for the 2004 2014 Chevrolet Silverado 1500 (including the Air Ra trim) with a 5.3L V8 engine. This means it should install without major modifications, saving time and effort compared to aftermarket parts that require adapters or customization.

2. **High-Quality Materials** Dorman is known for using durable materials, including reinforced plastic and metal components, which should resist cracking, warping, or fuel leaks over time. The gasket is typically included, ensuring a proper seal.

3. **Compatibility with Common Upgrades** If you ve modified your fuel system (e.g., larger fuel lines, performance injectors, or a turbocharger), the Dorman part is often compatible with aftermarket fuel rails and connectors, making it a versatile choice.

4. **Widely Available** As a popular OEM replacement, this part is easy to find at auto parts stores (AutoZone, O Reilly, RockAuto, etc.), online retailers (Amazon, RockAuto, eBay), and through dealerships. This ensures quick replacement if needed.

5. **Cost-Effective** While not the cheapest option, it is generally more affordable than some high-end aftermarket alternatives while still offering reliable performance. Pricing typically ranges between **$50 $100**, depending on the retailer.

6. **Easy Installation** The design is straightforward, and many users report that it installs in under an hour with basic tools (screwdriver, torque wrench, and possibly a fuel line cutter if the original is damaged). No special skills are required.

7. **Positive User Feedback** Many owners of the 5.3L Chevy trucks have reported satisfactory results with the Dorman part, citing few issues with leaks or fitment problems. Reviews often highlight its durability compared to cheaper generic replacements.

8. **OEM-Level Performance** Since it replicates the original equipment design, it maintains the same flow characteristics as the factory part, avoiding potential fuel delivery issues that could arise from aftermarket parts with different internal diameters.

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1. **Potential Leakage Over Time** Like most plastic fuel filler necks, prolonged exposure to fuel, heat, and UV rays (if installed on the exterior) can cause the plastic to degrade. Some users report minor leaks at the gasket or connector points, though this is often fixable with a new gasket or sealant.

2. **Limited Aesthetic Options** If appearance is a priority, the Dorman part is a functional replacement and may not match the factory finish exactly. Some aftermarket parts offer custom colors or finishes, though these are usually more expensive.

3. **Fuel Line Compatibility Issues** In rare cases, the fuel line connectors on the Dorman part may not align perfectly with the factory fuel rail or aftermarket setups. This could require trimming or using an adapter, adding minor complexity to installation.

4. **Not Ideal for Extreme Modifications** If you re running a heavily modified fuel system (e.g., a turbocharged or high-flow setup), the stock-style filler neck might not be the best choice. Some performance-oriented users opt for aftermarket parts with larger diameters or reinforced designs to handle increased fuel flow.

5. **Quality Control Variability** While Dorman is generally reliable, counterfeit or low-quality knockoffs can sometimes slip into the market, especially on platforms like eBay. Always verify the seller s reputation and check for authenticity (e.g., Dorman s part number should be clearly labeled).

6. **Potential for Fuel Odor Retention** Plastic filler necks can sometimes trap fuel vapors, leading to a slight odor inside the cab over time. This is usually not a major issue but may be noticeable in enclosed spaces.

7. **Limited Warranty** Dorman typically offers a limited warranty (often 12 24 months), but coverage may vary by retailer. Some aftermarket brands provide longer warranties, which could be a consideration if you want extra peace of mind.

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The Dorman SX-1775 fuel filler neck is a **strong, reliable choice** for replacing the original part on a 2004 2014 Chevrolet 1500 5.3L V8, especially for drivers who prioritize **direct fitment, durability, and ease of installation**. It strikes a balance between cost and quality, avoiding the pitfalls of overly cheap generic parts while not breaking the bank. The part is well-suited for stock or lightly modified trucks and is a safe bet for most owners.

That said, if you re running a **highly modified fuel system** (e.g., turbocharged, large injectors, or aggressive performance upgrades), you may want to explore aftermarket alternatives with reinforced materials or larger diameters. Additionally, if aesthetics are a concern, you might consider a custom or high-end aftermarket part, though these come at a premium.

For the average owner looking for a **practical, no-frills replacement**, the Dorman SX-1775 is an excellent selection.

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- You need a **direct-fit, OEM-style replacement** for your 5.3L Chevy 1500.

- You want a **durable, widely available part** that won t break the bank.

- Your fuel system is **stock or lightly modified**.

- You prioritize **easy installation and reliability** over custom aesthetics.

- You re running a **turbocharged or high-performance fuel setup**.

- You want **custom colors or finishes** for your truck.

- You re concerned about **long-term fuel odor retention** (though this is rarely a major issue).

- **AutoZone, O Reilly, or RockAuto** for in-store or online purchases with easy returns.

- **Amazon or eBay** for competitive pricing, but verify seller ratings and part authenticity.

- **Local Chevy specialty shops** if you want professional advice on installation.

- Always **relieve fuel pressure** before disconnecting lines to avoid spills.

- Use **fuel line sealant** (e.g., Permatex 24000) on the gasket for an extra leak-proof seal.

- Torque the mounting bolts to **spec** (typically 8 10 ft-lbs) to prevent leaks.

- If the original fuel line is damaged, replace it with **new OEM or aftermarket lines** for a complete refresh.

By choosing the Dorman SX-1775, you ll likely have a **problem-free replacement** that serves your truck reliably for years.

Details:

Dorman Fuel Filler Neck for 2004 - 2014 Chevrolet Express 1500 5.3L V8 Air ra: Status: In Stock.

part #: sx1775 prices

• $46.05-$134.88

specifications fueltanksysteme:

• for makes: Chevrolet
• for years: 2004-2014
• brand: Dorman Oe Solutions
• mpn: Sx-1775
• type: Fuel Filler Neck
• placement on vehicle: Air Fuel Delivery Fuel Storage
• item width: 5.850
• item height: 4.650
• item length: 29.110
• manufacturer warranty: 1 Year / 2 Years / 3 Years / 5 Years Depending On Part
• ipn: C757 65-41
• compatible model: Express 1500
• compatible year: 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Dorman Fuel Filler Neck

returns fueltanksysteme:

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

payments fueltanksysteme:

• credit card: Discover
• wallet: Google-pay
• other

shipping fueltanksysteme:

• type: Fixed
• class: Standard, Expedited
• service: Standard, Expedited
• transit: 3-6 Days
• cost: $0.00

offer fueltanksysteme:

• availability: In Stock
• sold: 0
• quantity: 1
• started: May 8, 2026
• options: Ship-to-home

seller fueltanksysteme:

• # reviews: 654671
• rating: 99.6%
• city: Indianapolis, Indiana

general fueltanksysteme:

• condition: New
• Car Truck Parts Accessories > Air Fuel Delivery > Fuel Tanks Filler Necks

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