GM 25891657 Fuel Tank Filler Neck

( Brand: Gm ), ( Manufacturer Part Number: 25891657 ), ( Part Type: Fuel Tank Filler ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Saturn ), ( Year: 2008 2009 2010 ), ( Parts Included: Only Part Reference 5 On The Diagram Is Included ), ( Replaces Part Number: 96673841 ), ( Country Of Origin: United States )

Review GM Genuine Fuel Tank Filler Neck fits 2008–2010

The **GM 25891657 Fuel Tank Filler Neck** is a precision-engineered component designed to ensure a secure, leak-proof, and efficient fueling experience for General Motors vehicles equipped with this specific part number. This high-quality filler neck is crafted from durable, corrosion-resistant materials, including reinforced plastic and metal reinforcements, to withstand the harsh environmental conditions commonly encountered in automotive applications. Its sleek, aerodynamic design not only enhances the vehicle s aesthetic appeal but also minimizes air resistance, contributing to improved fuel efficiency. The filler neck features a robust sealing mechanism, including a tight-fitting gasket and a threaded connection, which prevents fuel spillage, vapor leaks, and contamination, thereby protecting both the vehicle s fuel system and the surrounding environment. The integrated fuel cap holder ensures the cap remains securely attached during transit, reducing the risk of loss or damage, while the ergonomic grip allows for easy installation and removal. This part is engineered to meet or exceed OEM specifications, ensuring a perfect fit and reliable performance across a range of GM vehicles, including models from the Chevrolet, GMC, Buick, and Cadillac lines. Whether installed in a compact sedan, a full-size truck, or an SUV, the GM 25891657 filler neck delivers uncompromising functionality, durability, and compatibility, making it an essential component for maintaining optimal fuel system integrity and vehicle performance.

### **Pros and Cons of buying a GM 25891657 Fuel Tank Filler Neck**

1. **OEM Quality and Fit** This part is an original equipment manufacturer (OEM) component, meaning it is designed to match the exact specifications of the vehicle s original design. This ensures proper fitment, functionality, and compatibility with the fuel system, reducing the risk of leaks or improper sealing.

2. **Reliability and Durability** GM parts are engineered to meet strict automotive standards, which typically means longer-lasting performance compared to aftermarket alternatives that may use cheaper materials. The filler neck is a critical component, and a high-quality part minimizes the risk of premature failure.

3. **Warranty Coverage** Purchasing from an authorized dealer or a reputable supplier often includes a warranty, providing peace of mind in case of defects. This can be particularly valuable if the part fails shortly after installation.

4. **Compatibility with GM Vehicles** This part is specifically designed for certain GM vehicles (e.g., Chevrolet, GMC, Buick, or Cadillac models with the same fuel system architecture). Using an OEM part ensures that it will integrate seamlessly with the vehicle s fuel cap, fuel sender unit, and tank assembly.

5. **Prevents Fuel Leaks and Contamination** A faulty or improperly fitted filler neck can lead to fuel spills, vapor leaks, or even contamination of the fuel system. An OEM part reduces these risks, ensuring a tight seal and proper fuel flow.

6. **Maintains Resale Value** If you plan to sell the vehicle later, having OEM parts installed can make the vehicle more appealing to buyers who prefer or require genuine components.

7. **Easier Installation** Since it is designed for the vehicle, the filler neck should align correctly with the tank and other components, reducing the complexity of the installation process compared to aftermarket parts that may require additional modifications.

---

1. **Higher Cost** OEM parts are typically more expensive than aftermarket alternatives. The price can be significantly higher, especially if the part is not readily available or requires special ordering. This may be a deterrent for budget-conscious buyers.

2. **Limited Availability** Depending on the vehicle model and year, OEM filler necks may be harder to find, particularly for older or discontinued models. This could require ordering from a dealer or a specialized parts supplier, which may take longer and incur additional shipping costs.

3. **Potential for Overkill** If the original part was not the primary cause of a problem (e.g., a leak was due to a damaged tank or improper installation of the fuel cap), replacing only the filler neck may not fully resolve the issue. In such cases, the higher cost may not justify the replacement.

4. **Dealer Markup** Purchasing from an authorized dealer can result in higher prices due to overhead costs, labor fees, or regional pricing strategies. Buyers may find better deals from online retailers or salvage yards, though quality may vary.

5. **Environmental and Ethical Concerns** Some buyers may prefer aftermarket or recycled parts to reduce waste or support sustainable practices. OEM parts, especially if sourced from new manufacturing, may not align with these values.

6. **Time-Consuming Replacement** Replacing a filler neck often requires removing the fuel tank, which can be a labor-intensive process. This may not be feasible for DIYers without the proper tools or mechanical experience, leading to additional costs if professional installation is needed.

7. **Potential for Counterfeit Parts** When purchasing online, there is a risk of receiving counterfeit or low-quality OEM parts, especially from unverified sellers. This can lead to premature failure or poor performance, negating the benefits of buying genuine parts.

---

### **Conclusion**

The GM 25891657 fuel tank filler neck is a high-quality, reliable component that ensures proper fitment, durability, and compatibility with GM vehicles. Its OEM status makes it a trusted choice for maintaining the integrity of the fuel system, preventing leaks, and preserving the vehicle s performance. However, the higher cost, potential availability issues, and the need for careful sourcing to avoid counterfeits are significant drawbacks.

For buyers who prioritize long-term reliability, warranty coverage, and seamless integration with their vehicle, the OEM part is a strong recommendation. Conversely, those on a tight budget or dealing with a minor issue that may not require a full replacement might consider aftermarket alternatives though this should be done with caution to ensure compatibility and quality.

---

### **Recommendation**

- You are experiencing a confirmed issue with the original filler neck (e.g., cracks, leaks, or mechanical failure).

- You value OEM quality and want to avoid potential compatibility issues with aftermarket parts.

- You have access to a reputable supplier (authorized dealer, trusted online retailer, or salvage yard with verified parts).

- You are prepared for the higher cost and potential labor involved in installation.

- The issue is minor (e.g., a loose or damaged fuel cap) and can be resolved with a simpler fix.

- You are working with a limited budget and can find a high-quality aftermarket part with good reviews and proper certifications (e.g., parts from reputable brands like ACDelco, FRAM, or Mann Filter).

- You are comfortable with DIY repairs and can source the part from a reliable secondhand or refurbished source to reduce costs.

- Verify the part number matches your vehicle s exact requirements (check your vehicle s service manual or GM s parts catalog).

- Purchase from authorized GM dealers, reputable online marketplaces (e.g., RockAuto, PartsGeek, or eBay with seller ratings), or salvage yards that guarantee authenticity.

- If installing yourself, follow the vehicle manufacturer s guidelines carefully to avoid damaging the fuel tank or surrounding components.

- If unsure about the root cause of the problem, consult a mechanic to confirm whether the filler neck is the correct part to replace.

Details:

Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Call Us at #214 342 4724.

part #: 25891657 prices

• $15.08-$98.40

specifications fueltanksysteme:

• for years: 2008-2010
• brand: Gm
• mpn: 25891657
• part type: Fuel Tank Filler
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• make: Saturn
• year: 2008 2009 2010
• parts included: Only Part Reference 5 On The Diagram Is Included
• replaces part number: 96673841
• country of origin: United States

offer fueltanksysteme:

• quantity: 10
• started: March 11, 2026
• options: Ship-to-home
• availability: In Stock
• sold: 0

shipping fueltanksysteme:

• cost: $34.30
• type: Fixed
• class: Standard
• service: Standard

general fueltanksysteme:

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

payments fueltanksysteme:

• wallet: Apple-pay
• other
• credit card: Mastercard

seller fueltanksysteme:

• city: Dallas, Texas
• rating: 99.6%
• # reviews: 7146

returns fueltanksysteme:

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

Gm 25891657 Is Similar To:

• 00001111000 Gm Nos Fuel Filler (42.3% similar) It uses a standard thread on cap. Suburban, Tahoe, avalanche, Yukon, Denali, and Escalade upper neck only. Research on it: cab chassis, flatbed, utility body, box van etc. New Gm no part numbers or packaging but the pack that it came in had of a shipping label on. It is 2 OD pipe, 5/8 vent pipe. ...(November 10th, 2017)
• 10021507 Gm Nos Oem Original Factory Chevy Camaro Pontiac Firebird Fuel (25% similar) Shipping quoted is for the USA. 5l 4CYL, 8l V6, and up for sale is a new, nos, factory original Gm fuel tank emissions valve f-body vehicles with the has never been used, and comes as pictured. Thanks and good luck. The nos part number is that changed to with group '3. I have 3 available. This would...(November 10th, 2018)
• 10137397 Gm Fuel Tank Strap Nuts Monte Carlo Impala Grand Prix (36.9% similar) The shipping calculator is not always accurate and doesn list all options. We attempt to describe each component thoroughly. Shipping may be lower than cost posted. Inc 10137397G3. Some fragile or delicate items may need special packaging to insure safe arrival. Double check, ask questions, and try ...(May 2nd, 2018)
• 10156939 Gm Oem Fuel System-shield (32% similar) Warranting warranty...(October 15th, 2017)
• 10313490 Gm Brand New Genuine Oem Fuel Tank Cap (50% similar) The Tosca family has also led nation in both ford and Lincoln mercury sales during our history. Over his many years, he has developed a business of best in class sales and service. Continental us. There is always a member of the Tosca family to meet with customer. Return procedure all of Tosca's top...(September 12th, 2018)
• 10322554 Gm New Fuel Tank Filler Pipe And Vent Corvette Xlr (46% similar) You cannot rely on fitment chart to be accurate. No return or exchange on MI's-ordered parts. Item: new oem Gm factory surplus fuel tank filler pipe and vent for select C5, c6 corvette Cadillac XLR. New oem surplus parts do not carry any guarantee or warranty by the original manufacturer. See ...(October 2nd, 2018)
• 10326376 Gm Oem Locking Fuel (31.9% similar) What you see in the photos is will receive make sure to check all as they are part of. I ship to shipping hub only. New in package...(October 24th, 2017)
• 10337264 Gm Chevrolet Genuine Fuel (42.7% similar) Buyer pays return shipping costs. Parts must be resalable and in the original packaging. Shipping carrier substitutions may be made at our determination in an attempt to reduce cost the customer. Electrical parts are not returnable...(November 18th, 2017)
• 10346662 Gm Oem-fuel Tank (36.4% similar) From brake pads to outside mirrors, water pumps floor mats, or control modules fuel injectors think of courtesy Chevrolet. What vehicle year, make, model, trim level and engine displacement the part being sold is manufactured to fit. Superseded part numbers this item may have been from a different ...(February 27th, 2017)
• 10372246 Gm Brand New Genuine Oem Fuel Tank Cap (50% similar) All of Tosca's top quality oem replacement parts are backed by a 12 month 12,000 mile warranty. Continental us. There is always a member of the Tosca family to meet with customer. The Tosca family has also led nation in both ford and Lincoln mercury sales during our history. Over his many years, he ...(June 26th, 2018)
• 10372867 Gm Oem Fuel Tank (48.5% similar) Superseded part numbers this item may have been from a different number manufacture. This part fits vehicles made in the following years 1997 , 1998 , 1999 , 20 2001 , 2002 , 2003 , 2004 , 2005 . Mini passenger van 4-DOOR, Z28 convertible 2-DOOR, coupe SS Z34 2-DOOR...(September 18th, 2017)