DORMAN 904-019 Fuel Supply Line Select

( Brand: Dorman ), ( Manufacturer Part Number: 904-019 ), ( Type: Fuel Line ), ( Item Width: 6.100 ), ( Item Height: 40.500 ), ( Country Of Origin: China ), ( Item Length: 1.400 )

Review DORMAN Fuel Supply Line Select Cadillac Chevrolet Gmc Model's fits 2007–2014

The **Dorman 904-019 Fuel Supply Line** is a high-quality, direct-fit replacement designed specifically for select **2007 2014 Cadillac, Chevrolet, and GMC** vehicles equipped with **EcoTec3** or **LF9** engines, including popular models like the **Chevy Silverado, GMC Sierra, Cadillac Escalade, and Chevrolet Tahoe**. Crafted from durable **black rubber with reinforced braided nylon overwrap**, this fuel line ensures reliable performance while maintaining compatibility with the vehicle s fuel injection system. Engineered to meet or exceed OEM specifications, the 904-019 features a **tight, secure fit** at both ends, complete with **metal crimp connectors** that prevent leaks and ensure a leak-proof seal under normal operating conditions. Its **flexible yet sturdy construction** allows for smooth operation even in demanding driving scenarios, while its **resistance to fuel degradation and environmental exposure** extends its lifespan, reducing the need for premature replacement. Whether installed during routine maintenance or as part of a fuel system upgrade, this Dorman fuel line delivers **peace of mind** with its **proven reliability**, making it an essential component for maintaining optimal engine performance and fuel efficiency in these high-demand applications.

The **Dorman 904-019 Fuel Supply Line** is a common replacement part for the fuel line in select 2007 2014 Cadillac, Chevrolet, and GMC vehicles equipped with General Motors **LF9 (3.6L V6)** or **LFX (3.6L V6)** engines. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Dorman 904-019 Fuel Supply Line**

1. **High Quality and Durability**

Dorman is a well-known brand under the **Motorcraft** line, which is backed by Ford but widely trusted in the aftermarket for its robust construction. The fuel line is typically made from **reinforced rubber or braided stainless steel**, which resists kinking, cracking, and fuel leaks over time. This makes it a reliable long-term solution compared to cheaper, generic alternatives.

2. **Direct Fitment and Compatibility**

The part is designed specifically for the **LF9/LFX 3.6L V6 engines** found in vehicles like the **Chevy Malibu, Impala, SS, Traverse, Cadillac ATS/XT5, and GMC Acadia/Yukon XL**. It is engineered to match the original equipment manufacturer (OEM) specifications, reducing the risk of installation issues or improper fit.

3. **Easy Installation**

The fuel line is a straightforward replacement, requiring only basic tools (wrenches, line crimping tool if needed, and possibly a fuel pressure gauge to bleed the system). Most mechanics or experienced DIYers can complete the job in under an hour. Dorman includes clear instructions, and the part is often sold with necessary clamps or connectors.

4. **Widely Available and Affordable**

Compared to OEM parts, the Dorman 904-019 is significantly cheaper while maintaining high quality. It is stocked at most auto parts stores (AutoZone, O Reilly, Advance Auto, etc.) and online retailers (Amazon, RockAuto, Dorman s website). Pricing typically ranges between **$20 $40**, depending on the retailer.

5. **Compatibility with Aftermarket Upgrades**

If you plan to modify your vehicle (e.g., adding a fuel pump, upgrading injectors, or installing a turbo), the Dorman line is often compatible with aftermarket components due to its standard fittings and durability.

6. **Warranty Coverage**

Dorman offers a **limited lifetime warranty** on its fuel lines, which provides peace of mind against manufacturing defects. This is more generous than many budget brands, which may offer only a 30-day or 90-day warranty.

7. **Reduces Fuel Leaks and Contamination**

A failing fuel line can cause **fuel leaks, vapor leaks, or contamination** of the fuel system, leading to poor engine performance or even stalling. Replacing it with a Dorman line helps prevent these issues, ensuring cleaner fuel delivery to the injectors and engine.

8. **Environmentally Friendly**

The reinforced construction reduces the risk of fuel spills during installation or use, making it a safer choice for both the vehicle and the environment compared to brittle or poorly made alternatives.

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### **Cons of the Dorman 904-019 Fuel Supply Line**

1. **Potential for Over-Tightening During Installation**

While the line itself is durable, **over-tightening the clamps or fittings** during installation can cause leaks or damage to the line s integrity. This is a common issue with any fuel line replacement and requires careful attention to torque specifications (if provided). Some users report that the line can be slightly stiff, making it harder to route than the OEM part.

2. **Limited Color Options (If Aesthetics Matter)**

The Dorman line is typically **black**, which may not match the original equipment finish if you prefer a more uniform look. However, this is rarely a concern unless you are performing a full restoration.

3. **Not a Permanent Fix for Underlying Issues**

If the fuel line failure was caused by **corrosion, rodent damage, or a failing fuel rail**, replacing just the line may not address the root cause. In such cases, inspecting the **fuel rail, injectors, and fuel pump** is advisable to prevent future failures.

4. **Requires Proper Bleeding of the Fuel System**

After replacement, the fuel system must be **bled of air** to ensure proper fuel delivery. This step is necessary with any fuel line replacement but can be overlooked by inexperienced DIYers, leading to temporary performance issues (e.g., rough idling, hesitation).

5. **Compatibility with Some Modifications**

While generally compatible, **high-flow fuel systems or aggressive modifications** (e.g., forced induction) may require a **larger-diameter fuel line** or additional components. The Dorman 904-019 is standard-sized and may not accommodate extreme upgrades without additional parts.

6. **Potential for Counterfeit or Low-Quality Stock**

Some retailers sell **counterfeit Dorman parts**, which may fail prematurely. To avoid this, purchase from **authorized dealers, RockAuto, or reputable online stores** that verify authenticity.

7. **Minor Routing Challenges**

The line s stiffness can make it slightly harder to route than the original equipment line, especially in tight engine bays. This may require **cutting or bending the line slightly** to fit properly, which should be done carefully to avoid kinking.

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### **Conclusion**

The **Dorman 904-019 Fuel Supply Line** is an excellent choice for replacing the fuel line in **2007 2014 Cadillac, Chevrolet, and GMC LF9/LFX 3.6L V6 vehicles**. Its **high durability, direct fitment, ease of installation, and strong warranty** make it a superior option compared to many aftermarket alternatives. While there are minor drawbacks (e.g., potential over-tightening risks, stiffness during routing), these are outweighed by the part s reliability and cost-effectiveness.

For most drivers, this is the **best balance of quality and affordability** without sacrificing performance or longevity. If you are performing a **full fuel system upgrade** (e.g., adding a high-flow fuel pump or turbo), you may need to supplement it with additional components, but for standard replacements, it is more than sufficient.

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### **Recommendation**

- You need a **reliable, long-lasting replacement** for your LF9/LFX 3.6L V6 vehicle.

- You want a **direct-fit part** that minimizes installation hassles.

- You prefer a **warranted, high-quality brand** over cheaper, untested alternatives.

- You are either a **DIYer with basic mechanical skills** or plan to have a mechanic install it.

- You are performing **extensive fuel system modifications** (e.g., forced induction, high-flow fuel pumps).

- You suspect **underlying corrosion or damage** in the fuel rail or injectors that requires inspection.

- You prioritize **absolute precision routing** (though Dorman is still a strong choice for most cases).

**Final Verdict:** The Dorman 904-019 is the **best all-around choice** for this application, offering a **proven balance of quality, compatibility, and value**. Purchase from a **trusted retailer** to ensure authenticity, and follow proper installation and bleeding procedures to maximize its lifespan.

Details:

ABOUT DORMAN PRODUCTS: Peoples lives and livelihoods depend upon cars trucks. Comprehensive solutions - this fuel line is part of a diverse collection repair. This is a rare combination in fast-growing, global enterprise that makes Dorman special place to work. Dorman 904-019 Fuel Supply Line For Select 07-14 Cadillac Chevrolet GMC model's.

Quality engineering - designed in the USA and backed by decades of automotive aftermarket experience. Durable design - withstands tough Underwood and under car conditions. All accessories hardware.

Updated 10.19.2023. Original packaging. Our engineers and designers go out of their way to save repair technicians time, vehicle owners money. Fits what vehicles: 2007 - 2014 Cadillac Escalade, Escalade ESV, 2007 2013 EXT, Chevrolet Avalanche, Suburban 15 Tahoe, GMC Yukon, Yukon XL 2014.

Placing an order outside the US is easy. The engine that powers us is our Culture of Contribution. FEATURES: Trustworthy replacement - this fuel line safely replaces the original to fix leaks. Dorman gives people greater freedom to fix these vehicles by constantly developing new repair solutions that put owners and installers first.

This replacement fuel line is made to safely transfer and endure in tough Underwood under car conditions.

part #: 904019 prices

• $65.75-$73.44

specifications fueltanksysteme:

• for makes: Cadillac, Chevrolet, Gmc
• for years: 2007-2014
• brand: Dorman
• mpn: 904-019
• type: Fuel Line
• item width: 6.100
• item height: 40.500
• country of origin: China
• item length: 1.400

shipping fueltanksysteme:

• cost: $0.00
• type: Fixed
• class: Standard
• service: Standard
• transit: 3-7 Days

offer fueltanksysteme:

• options: Ship-to-home
• started: April 22, 2026
• quantity: 10
• sold: 0
• availability: In Stock

seller fueltanksysteme:

• city: Miami, Florida
• # reviews: 164193
• rating: 99.6%

payments fueltanksysteme:

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

general fueltanksysteme:

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

returns fueltanksysteme:

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

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