MOTORAD SX-3P2A Fuel Tank Cap Uh 6.6L V8

( Brand: Motorad ), ( Manufacturer Part Number: SX-3P2A ), ( 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: C492 29-45 ), ( Compatible Model: Silverado 2500 Hd Classic ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Motorad Fuel Tank Cap )

Review MOTORAD Fuel Tank Cap Chevrolet Hd 6.6l V8 Uh fits SILVERADO CLASSIC 2500 2007

The **Motorad SX-3P2A Fuel Tank Cap** is a meticulously engineered, high-performance replacement cap designed specifically for the **2007 Chevrolet Silverado 2500HD Classic** equipped with the **6.6L Duramax V8** engine. Crafted from premium **anodized aluminum**, this cap is built to withstand the demanding conditions of heavy-duty trucking, offering superior durability, corrosion resistance, and a sleek, modern aesthetic that enhances the vehicle s overall appearance. Unlike standard OEM caps, the SX-3P2A features a **reinforced, high-flow design** with precision-machined internal components, ensuring optimal fuel flow while minimizing vapor lock and pressure fluctuations critical for maintaining engine performance and longevity, especially under high-load conditions. The cap is equipped with a **secure, tamper-resistant locking mechanism**, providing peace of mind against fuel theft and unauthorized access, a common concern for commercial and off-road applications. Its **low-profile, aerodynamic shape** not only improves fuel efficiency by reducing drag but also integrates seamlessly with the Silverado s aggressive styling, offering a polished finish that complements the truck s rugged yet refined look. Additionally, the SX-3P2A is engineered to meet or exceed **SAE and industry standards**, ensuring a perfect fit with the 2007 Duramax s fuel system, including the **high-pressure fuel rail and advanced emissions controls**. Whether used in fleet operations, towing heavy payloads, or for off-road adventures, this cap delivers reliability, performance, and a touch of premium craftsmanship, making it an indispensable upgrade for any Silverado owner seeking both functionality and style.

### Pros and Cons of buying a Motorad SX-3P2A Fuel Tank Cap for a 2007 Chevrolet Silverado 2500 Classic (6.6L V8)

1. **Enhanced Fuel Efficiency** The SX-3P2A is designed as a fuel tank cap with an integrated **air intake system**, which helps reduce fuel vapor buildup in the tank. This can improve fuel economy by allowing cleaner air to mix with the fuel during refueling, reducing vapor lock and improving combustion efficiency.

2. **Reduced Fuel Vapor Emissions** The cap s design minimizes evaporative emissions, which can help meet stricter emissions regulations and reduce environmental impact. This is particularly beneficial for older vehicles that may not have advanced onboard diagnostics or EVAP systems.

3. **Easier Refueling** The cap s design may allow for smoother fuel flow during refueling, reducing the chance of spills or incomplete tank filling.

4. **Durability and Fit** Motorad products are generally known for their **high-quality materials and precise engineering**, ensuring a secure fit on the Silverado s fuel tank. The threaded design helps prevent leaks and tampering.

5. **Compatibility with Aftermarket Modifications** If you ve installed a **turbocharger, supercharger, or other performance upgrades**, this cap can help manage fuel vapor pressure better than a standard OEM cap.

6. **Potential Longevity** Unlike some OEM caps that degrade over time, Motorad s caps are often made to last longer, reducing the risk of leaks or failures.

7. **Aesthetic Improvement** If you ve customized your truck s exterior, replacing the stock cap with a Motorad part can contribute to a more cohesive look.

---

1. **Cost** The SX-3P2A is **more expensive than an OEM replacement cap**, which may not be justified if your primary concern is basic functionality rather than performance gains.

2. **Mixed Performance Benefits** While the cap claims to improve fuel efficiency, the **actual gains may be minimal** for a naturally aspirated 6.6L V8 engine. Turbocharged or high-performance applications might see more noticeable improvements, but a stock diesel engine may not benefit as much.

3. **Installation Complexity** Replacing the fuel tank cap requires **removing the fuel filler door**, which can be time-consuming. If you re not comfortable with basic automotive work, you may need to pay for professional installation.

4. **Potential for Counterfeit Parts** Since Motorad is a well-known brand, **counterfeit or low-quality knockoffs** may be sold online. Always purchase from **authorized dealers or reputable sellers** to ensure authenticity.

5. **Limited Real-World Testing Data** While Motorad markets this cap for performance gains, **real-world user experiences vary**. Some owners report noticeable improvements, while others see little to no difference in fuel economy or drivability.

6. **Not a Cure for Underlying Issues** If your Silverado has **fuel system problems (e.g., clogged injectors, bad fuel pump, or air in the fuel lines)**, replacing the cap alone won t fix those issues. The SX-3P2A is a **supplemental upgrade**, not a comprehensive solution.

7. **Warranty Considerations** If your truck is still under **factory warranty**, modifying the fuel system (even with an aftermarket cap) could **void certain coverage**, depending on the manufacturer s policies.

---

The **Motorad SX-3P2A fuel tank cap** is a **worthwhile upgrade for performance-oriented diesel truck owners**, particularly those running **turbocharged or high-mileage engines**, as it may improve fuel efficiency and reduce emissions. However, for a **stock 2007 Chevrolet Silverado 2500 Classic with a naturally aspirated 6.6L V8**, the benefits may be **subtle or negligible**.

If your main goal is **better fuel economy, reduced vapor lock, or a cleaner-burning engine**, the cap is a **low-risk, high-reward upgrade** that could pay off over time. If you re primarily concerned with **replacing a worn or leaking OEM cap**, a **budget-friendly OEM or aftermarket alternative** might suffice.

---

- You ve modified your truck with **turbocharging, supercharging, or other performance upgrades**.

- You notice **frequent fuel vapor buildup, rough idling, or reduced fuel efficiency**.

- You want a **durable, high-quality replacement** for your stock cap.

- You re willing to invest in **small but meaningful performance gains**.

- Your truck runs **stock or lightly modified**.

- You re on a **tight budget** and the cost doesn t justify the marginal benefits.

- You prefer **simplicity** and don t want to deal with installation hassles.

For the **2007 Silverado 2500 Classic**, the **Motorad cap is a solid choice for enthusiasts**, but it s not an absolute necessity. If you decide to proceed, **purchase from an authorized dealer** to ensure authenticity and proper fitment.

Details:

MotoRad Fuel Tank Cap for 2007 Chevrolet Silverado 2500 HD Classic 6.6L V8 uh: Status: In Stock.

part #: sx3p2a price

• $13.48

specifications fueltanksysteme:

• for models: 2500, Silverado, Classic
• for makes: Chevrolet
• for years: 2007
• brand: Motorad
• mpn: Sx-3p2a
• 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: C492 29-45
• compatible model: Silverado 2500 Hd Classic
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Motorad Fuel Tank Cap

returns fueltanksysteme:

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

seller fueltanksysteme:

• rating: 99.6%
• city: Indianapolis, Indiana
• # reviews: 646787

payments fueltanksysteme:

• other
• wallet: Paypal
• credit card: Visa

offer fueltanksysteme:

• quantity: 10
• options: Ship-to-home
• sold: 0
• started: April 18, 2026
• availability: In Stock

shipping fueltanksysteme:

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

general fueltanksysteme:

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

Motorad SX-3P2A Is Similar To:

• 2003-11 Motorad Heavy Duty Fuel Cap Nonlocking Un Thread 055644804125 (33.8% similar) Motorad part number our choice. Once purchased you own it. Or any other minor issue that does not make the part you are buying defective. Sometimes the fitment is so old that it does not take into account trim, engine size or build dates. Shipping:free shipping is for continental USA only. If any ...(November 3rd, 2018)
• 2504-11 Motorad Heavy Duty Fuel Cap With Lock (32.3% similar) Motorad heavy duty fuel cap with lock. This is new in open box...(April 4th, 2018)
• Mgc-793sk Motorad Dual Locking Fuel Cap Tanks Air Intake 055644107936 (32.5% similar) Motorad MGC-793SK dual locking fuel cap protects your from theft and vandalism passes all state federal emissions tests manufactured durable, long-life materials reduces air pollution with proper sealing venting independently tested for emission control deters vandalism. Specifically designed ...(June 16th, 2018)
• Mgc-807 Cst Motorad Mgc807 Fuel 055644008073 (26.4% similar) CST Motorad MGC807 fuel tank cap thumbnails to caps are designed and manufactured prevent loss, primarily through evaporation. Please through the messaging system by ing button above. Combining a inventory and showrooms full of parts provides us the advantage shipping products quickly efficiently. A...(January 23rd, 2018)
• Mgc-811 Cst Motorad Mgc811 Fuel 055644008110 (26.4% similar) Our product offering includes every conceivable trailer, tire, towing device, truck accessory, suspension, exhaust, lighting, and performance part. A faulty or leaky fuel cap emit up-to 30 gallons of per year in to the atmosphere. All of Motorad fuel caps meet federal MVSS301 and I m 240 ...(February 22nd, 2018)
• Mgc 832 Wd Express Motorad Fuel Tank Cap Fits Jaguar Vanden (36.1% similar) ...(October 27th, 2018)
• Mgc-837 Motorad Fuel Tank Cap Upc 055644008370 (39.7% similar) CHRYSLER1999-2017DODGE1999-2017FIAT2012--2017INFINI 002-2011JEEP2000-2017KIA2005-2017MAZDA2003-2015MERCEDES-BENZ2006-2017MITSUBISHI2001-2017NISSAN2000-2013PLYMOUTH1999-2001RAM2011-2017SUBARU2005-2017SUZUKI2009-2011VOLKSWAGEN2009-2014...(January 18th, 2019)
• Mgc46 Motorad Fuel Gas Tank Filler Cap Replace Oem (40% similar) Motorad MGC-46STANDARD fuel cap tank verify fitment before purchase...(April 18th, 2018)
• Mgc48 Motorad Pronto Fuel Tank Fits Pickup Suburban (36.8% similar) No other accessories included. See photos above. Fast shipping. Receive only what is pictured listed. Comes as shown...(February 17th, 2019)
• Mgc519 Motorad Push Vent Fuel Tank Cap Fits Volvo 055644115191 (39.5% similar) Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. and we urge you to take a look if cannot find what are looking for at egghead. Orders ship from 12 major metropolitan markets in the us. A ...(June 5th, 2019)
• Mgc637t Motorad Fuel Cap (29.4% similar) ...(January 1st, 2019)