CADILLAC 20789052 Sts Fuel Tank Filler Neck Hose Pipe Tube 4.6L

( Manufacturer Part Number: 20789052 ), ( Type: Filler Neck ), ( Fuel Type: Gasoline ), ( Placement On Vehicle: Rear ), ( Id: Df348a9f-7b28-452e-93b4-08deab5c20cb ), ( Interchange: 179 U )

Review CADILLAC Sts 4.6l Fuel Tank Filler Neck Hose Pipe Tube Oem fits 2005–2011

The **Cadillac 20789052 Fuel Tank Filler Neck Hose Pipe Tube** is a precision-engineered replacement component designed specifically for the **2005 2011 Cadillac STS models** equipped with the **4.6-liter Northstar V8 engine**. This high-quality aftermarket part is crafted to meet or exceed OEM specifications, ensuring a seamless fit and reliable performance in your vehicle s fuel system. The hose pipe tube is constructed from durable, fuel-resistant materials, including reinforced rubber and high-grade synthetic fibers, which provide exceptional resistance to cracking, kinking, and degradation from exposure to gasoline vapors, UV rays, and temperature fluctuations. Its robust construction prevents leaks, ensuring that fuel is delivered efficiently and safely from the fuel cap to the tank, while also maintaining proper sealing to minimize evaporative emissions. The hose features a secure, interference-fit connection at both ends, designed to match the original equipment manufacturer s (OEM) mounting points, eliminating the need for modifications or additional hardware. Whether you re performing routine maintenance, addressing a leak, or upgrading your vehicle s fuel system, this replacement part offers a dependable solution that restores functionality and extends the longevity of your Cadillac STS s fuel delivery components. Built to withstand the demands of daily driving, this hose pipe tube is an essential upgrade for those seeking a hassle-free, long-lasting solution that aligns with the performance expectations of a luxury vehicle.

### **Pros and Cons of Buying a Replacement Fuel Tank Filler Neck Hose/Pipe/Tube for a 2005-2011 Cadillac STS 4.6L**

1. **Prevents Fuel Leaks** A failing or cracked filler neck hose can cause fuel leaks, which are hazardous and can lead to fire risks or fuel loss. Replacing it ensures a secure seal, reducing the chance of spills or evaporation.

2. **Improves Fuel System Reliability** A worn or damaged hose can restrict fuel flow, leading to engine stalling, poor performance, or difficulty starting. A new hose ensures proper fuel delivery to the engine.

3. **Prevents Contamination** Cracks or splits in the hose can allow dirt, moisture, or debris to enter the fuel system, clogging filters or damaging the fuel pump. A fresh hose maintains a clean fuel environment.

4. **Cost-Effective Maintenance** Replacing the hose is relatively inexpensive compared to potential fuel system repairs (e.g., replacing a fuel pump, cleaning injectors, or repairing a damaged tank).

5. **Easy Installation** The filler neck hose is typically accessible and can be replaced as a DIY project with basic tools, saving labor costs if doing it yourself.

6. **Compatibility & Durability** Aftermarket or OEM replacement hoses are designed to match the original specifications, ensuring a proper fit and longevity similar to the factory part.

7. **Prevents Vapor Loss** A damaged hose may allow fuel vapors to escape, reducing fuel efficiency. A new hose maintains proper sealing, keeping the system efficient.

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1. **Potential Counterfeit Parts** Some aftermarket hoses may be of lower quality, leading to premature failure. Buying from a reputable supplier helps mitigate this risk.

2. **Installation Challenges** If the hose is corroded or stuck due to prolonged exposure to fuel or debris, removal and installation may require extra effort, possibly damaging surrounding components.

3. **Limited Lifespan** While the hose itself may last years, other parts of the fuel system (e.g., tank seals, fuel lines, or the filler neck itself) could still be failing. Replacing just the hose may not fully resolve underlying issues.

4. **Fuel System Inspection Needed** If the hose failure is due to a larger problem (e.g., a cracked fuel tank or failing fuel pump), addressing those issues concurrently is wise. Skipping this could lead to recurring problems.

5. **Time-Consuming for DIYers** If unfamiliar with fuel system repairs, improper handling of fuel lines or connections could lead to leaks or contamination. Some users may prefer professional installation for peace of mind.

6. **Part Availability** While common, some aftermarket suppliers may not stock the exact OEM-style hose, requiring research to find a compatible replacement.

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Replacing a damaged fuel tank filler neck hose on a 2005-2011 Cadillac STS 4.6L is a **practical and necessary maintenance task** when symptoms like fuel leaks, poor engine performance, or fuel odor are present. The benefits such as preventing leaks, improving reliability, and avoiding costly fuel system damage far outweigh the minor drawbacks, provided the correct part is sourced and installed properly.

For most owners, this is a **straightforward repair** that can be done at home with basic tools, saving on labor costs. However, if the vehicle has other fuel system issues (e.g., a failing tank or pump), addressing those simultaneously would be advisable to ensure long-term reliability.

- **Purchase an OEM or high-quality aftermarket hose** (e.g., from RockAuto, eBay Motors, or a trusted auto parts store) to ensure compatibility and durability.

- **Inspect the fuel tank and surrounding components** (seals, filler neck, fuel lines) while the system is open for any signs of wear or damage.

- **Follow proper fuel system safety procedures** (e.g., relieving fuel pressure, using gloves, and working in a well-ventilated area).

- **Consider professional installation** if unsure about handling fuel lines or if other fuel system issues are suspected.

- **Monitor the vehicle post-repair** for any signs of recurring leaks or performance issues, which could indicate deeper problems.

Overall, replacing the hose is a **wise preventive measure** that helps maintain the vehicle s fuel system integrity and avoids more expensive repairs down the line.

Details:

C Greater than 200k miles. Cc Credit Card size units. B Greater than 60k miles and less or equal to 200k but greater 15k per year. Fuel Filler Neck.

part #: 20789052 price

• $109.65

specifications fueltanksysteme:

• for makes: Cadillac
• for years: 2005-2011
• mpn: 20789052
• type: Filler Neck
• fuel type: Gasoline
• placement on vehicle: Rear
• id: Df348a9f-7b28-452e-93b4-08deab5c20cb
• interchange: 179 U

payments fueltanksysteme:

• other
• credit card: Diners-club
• wallet: Apple-pay

general fueltanksysteme:

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

offer fueltanksysteme:

• options: Ship-to-home
• sold: 0
• started: March 6, 2026
• quantity: 1
• availability: In Stock

returns fueltanksysteme:

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

shipping fueltanksysteme:

• class: Standard
• type: Fixed
• transit: 4-7 Days
• cost: $0.00
• service: Standard

seller fueltanksysteme:

• # reviews: 10553
• rating: 99.5%
• city: Inman, South Carolina

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