fits model: H2. make: Hummer. year: 2003–2007.

( Brand: American Motors ), ( Conditions Options: Suv ), ( Genuine Oem: Yes ), ( Make: American ), ( Type: Filler Neck ), ( Ipn: 179.am1503 ), ( Manufacturer Warranty: 60 Day )
The **American Hummer H2 (AM1503) Fuel Gas Filler Neck Tube Cap** for model years **2003 through 2007** is a precision-engineered component designed to ensure a secure and leak-proof seal on the vehicle s fuel system. Crafted from high-quality, durable materials, this cap is built to withstand the harsh conditions of daily driving, including exposure to extreme temperatures, road debris, and the corrosive effects of gasoline vapors. The **AM1503** designation indicates its exact fitment for the Hummer H2 s fuel filler neck, where it plays a critical role in maintaining fuel integrity and preventing spills or contamination. The cap features a **tight-fitting rubber gasket** that compresses evenly against the filler neck s threaded interface, creating an airtight barrier that minimizes fuel evaporation and reduces emissions. Its **robust metal housing** is designed to resist bending or warping, ensuring a consistent seal over time, while the **clear or tinted plastic cover** allows for easy identification of the fuel filler opening while also providing UV protection to prevent material degradation. This component is essential for both performance and safety, as it helps maintain proper fuel system pressure and prevents potential leaks that could pose a fire hazard. Whether used as an original equipment replacement or an upgrade for enhanced durability, the **Hummer H2 AM1503 fuel filler neck tube cap** is a vital part of keeping this iconic SUV running smoothly and reliably.
### **Pros and Cons of Buying a Hummer H2 Fuel Gas Filler Neck Tube Cap (AM1503, 2003 2007 Models)**
#### **Pros:**1. **Direct Fitment** This part is specifically designed for the 2003 2007 Hummer H2 models, ensuring compatibility without modifications.
2. **Authentic Replacement** Made to match the original equipment manufacturer (OEM) specifications, maintaining the vehicle s appearance and functionality.
3. **Durability** High-quality materials are typically used in aftermarket parts like this, reducing the risk of premature wear or failure.
4. **Easy Installation** Designed for straightforward replacement, often requiring minimal tools and effort.
5. **Prevents Fuel Leaks** A properly fitted cap ensures a secure seal, reducing the risk of fuel evaporation or spills.
6. **Compatibility with Aftermarket Upgrades** If you ve modified your fuel system (e.g., larger tanks, fuel lines), this cap may still fit if the mounting points align.
7. **Cost-Effective Alternative** Often cheaper than purchasing a full fuel system upgrade or OEM replacement.
#### **Cons:**1. **Potential Quality Variations** Aftermarket parts can vary in quality depending on the manufacturer. Some may be cheaper but less durable than OEM or high-end aftermarket options.
2. **Mismatched Finish** If your vehicle has a custom paint job or unique trim, the cap may not match perfectly, leading to an inconsistent look.
3. **Limited Availability of OEM Parts** While this is an aftermarket part, OEM caps may still be available (though often more expensive), and some buyers prefer them for authenticity.
4. **Installation Challenges** If the original cap was damaged or the mounting area is corroded, installation may require additional cleaning or adjustments.
5. **No Warranty on Some Aftermarket Parts** Unlike OEM parts, aftermarket caps may not come with a manufacturer s warranty, leaving you responsible for replacements if they fail prematurely.
6. **Risk of Counterfeit Products** Purchasing from untrusted sellers could result in knockoff parts that don t fit properly or last long.
7. **May Not Include Necessary Hardware** Some aftermarket caps are sold without gaskets, seals, or mounting hardware, requiring additional purchases.
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### **Conclusion**
Buying an aftermarket **AM1503 Hummer H2 fuel gas filler neck tube cap (2003 2007)** is a practical choice for most owners needing a direct replacement. It offers a balance of affordability, ease of installation, and compatibility. However, the quality can vary, and some buyers may prefer OEM parts for long-term reliability or aesthetic consistency.
If you prioritize **durability, warranty coverage, and exact OEM fit**, an OEM replacement (if available) or a high-end aftermarket brand (e.g., Mann Filter, Dorman) may be worth the extra cost. For most casual users, this aftermarket part is a solid, budget-friendly solution just ensure you purchase from a reputable seller and verify compatibility before buying.
### **Recommendation:**- **For most buyers:** Proceed with the **AM1503 aftermarket cap** if it meets your quality expectations and fits within your budget. Check reviews and seller ratings before purchasing.
- **For enthusiasts or long-term reliability:** Consider an **OEM or premium aftermarket brand** if available, especially if you plan to keep the vehicle for an extended period.
- **Before installation:** Inspect the mounting area for corrosion or damage, and ensure the cap includes all necessary seals or hardware.
- **Verify fitment:** Confirm that the part number (AM1503) matches your exact model year and trim to avoid mismatches.
Ultimately, this part is a straightforward upgrade for functional and aesthetic purposes, provided you source it responsibly.
These extra attached parts are not covered by any warranty. Major components are stamped and may have heat sensitive tabs attached to indicated overheating that would void warranty. Hummer H2 Fuel Gas Filler Neck Tube With Cap Fits 2003 2004 2005 2006 2007 03 04: Review photos this is your actual part. Donor Vehicle: model: H2.
Fuel Filler Neck. Warranty covers the base component and none of other attached parts. Stock #: 267375. Miles: 252000 - N/A or Unknown.
Many electronic modules and components require programming. Parts are not covered for external fluid leaks.