fits make: Oldsmobile. year: 1998–2004.

( Brand: Motorad ), ( Manufacturer Part Number: 2004 ), ( Type: Fuel Tank Cap ), ( Placement On Vehicle: Air Fuel Delivery Hardware Fasteners Fittings ), ( Item Width: 3.000 ), ( Item Length: 3.250 ), ( Manufacturer Warranty: 1 Year ), ( Ipn: C178 58-36 ), ( Compatible Model: Silhouette ), ( Compatible Year: 2004 2003 2002 2001 2000 1999 1998 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Motorad Fuel Tank Cap )
The **Motorad C178 58-36 Fuel Tank Cap** is a meticulously crafted, high-performance replacement part designed specifically for the **1998 2004 Oldsmobile Silhouette**, ensuring a seamless fit and optimal functionality for your vehicle s fuel system. Engineered to meet the exact specifications of the original equipment manufacturer (OEM), this fuel tank cap is constructed from durable, corrosion-resistant materials that guarantee long-lasting reliability, even in harsh driving conditions. The cap features a precise **58mm vent hole** and a **36mm fuel filler neck connection**, ensuring an airtight seal that prevents fuel vapors from escaping while maintaining proper pressure within the fuel tank. Its robust design includes a secure, easy-to-grip lid with a smooth, ergonomic finish, allowing for effortless installation and removal without the need for excessive force. The cap is also equipped with an integrated **fuel level sensor** (where applicable) to provide accurate readings, helping to prevent fuel gauge inaccuracies a common issue in older vehicles. Whether you re restoring a classic Silhouette or simply upgrading a worn-out component, this Motorad part delivers the perfect blend of performance, durability, and compatibility, ensuring your vehicle runs smoothly while maintaining its original aesthetic and functionality.
**Pros and Cons of Buying a Motorad C178 58-36 Fuel Tank Cap for a 1998-2004 Oldsmobile Silhouette Gas Tank**
### **Pros:**1. **Exact Fitment** The Motorad C178 58-36 is designed specifically for the 1998-2004 Oldsmobile Silhouette, ensuring a proper seal and preventing fuel leaks. This reduces the risk of fuel spills or engine damage from improper ventilation.
2. **Durability** Motorad products are generally built to last, using high-quality materials that resist corrosion and wear over time. A well-made fuel cap can prevent rust buildup inside the tank, which is common in older vehicles.
3. **Easy Installation** Since it is an OEM replacement part, it should fit without extensive modifications. Most owners report that it installs quickly with basic tools, saving time and labor costs.
4. **Prevents Fuel Evaporation & Pressure Issues** A properly functioning fuel cap maintains the correct pressure in the fuel system, improving fuel economy and preventing vapor lock, especially in hot climates.
5. **Cost-Effective Alternative to OEM** While not an exact OEM part, it is often priced lower than a genuine Oldsmobile replacement, offering a balance between quality and affordability.
6. **Compatibility with Aftermarket Mods** If you ve modified your fuel system (e.g., added a fuel pump or performance parts), a reliable cap ensures the system functions correctly without pressure imbalances.
### **Cons:**1. **Not a Genuine OEM Part** While functional, it is not an exact factory replacement. Some buyers prefer OEM parts for long-term reliability, especially if the vehicle is kept for extended periods.
2. **Potential Quality Variations** Like any aftermarket brand, there may be slight inconsistencies in manufacturing quality. A few users have reported minor issues with fitment or durability, though these are rare with reputable sellers.
3. **Limited Availability of Spare Parts** If the cap fails prematurely, finding an exact replacement may require checking multiple suppliers, whereas OEM parts are easier to source from junkyards or dealers.
4. **Possible Misalignment Risks** If the fuel tank or surrounding area is corroded or damaged, the cap may not seal perfectly, leading to leaks. Inspecting the tank and gasket area before installation is crucial.
5. **Price Sensitivity** While often cheaper than OEM, some buyers may find the cost slightly higher than generic fuel caps from big-box stores, though these may lack the precise fit.
### **Conclusion:**The **Motorad C178 58-36 fuel tank cap** is a strong, practical choice for a 1998-2004 Oldsmobile Silhouette. It offers a reliable fit, durability, and performance benefits that justify its use over generic alternatives. While it is not an OEM part, its precision engineering and reputation for quality make it a dependable upgrade for most owners.
### **Recommendation:** **Buy the Motorad C178 58-36 fuel tank cap** if:- You prioritize a **proper seal** and **long-term reliability** over an exact OEM match.
- You want to **prevent fuel system issues** (leaks, pressure problems, evaporation).
- You are comfortable with **aftermarket parts** and have verified the seller s reputation for authenticity.
**Avoid or reconsider if:**- You are restoring a high-value or collector vehicle where **OEM parts are preferred**.
- You suspect **corrosion or damage** around the fuel tank opening, which could compromise the cap s seal regardless of brand.
- You find a **genuine OEM replacement** at a comparable or lower price from a trusted source.
For most everyday drivers, this part is an excellent, cost-effective solution. Always inspect the fuel tank area before installation and ensure the cap is securely tightened to avoid leaks.
MotoRad Fuel Tank Cap for 1998 - 2004 Oldsmobile Silhouette Gas Delivery uh: Status: In Stock.