GM 10330043 Fuel Tank Filler Gas Cap 3500-3500-3500-3500

( Brand: Gm ), ( Manufacturer Part Number: 10330043 ), ( Model: 3500 3500 3500 3500 ), ( Type: Fuel Tank ), ( Year: 2004 2005 2006 2007 2008 2009 2010 ), ( Model.: Silverado 3500 Classic Silverado 3500 Hd ), ( Manufacturer Warranty: 1 Year ), ( Custom Bundle: No ), ( Fitment Type: Direct Replacement ), ( Make: Chevrolet ), ( California Prop 65 Warning: May Cause Cancer And Reproductive Harm. See Www.p65warnings.ca.gov For More Info. )

Review GM Genuine Fuel Tank Filler Gas Cap fits SIERRA SILVERADO 2004–2010

The **GM 10330043 fuel tank filler gas cap** is a precision-engineered component designed exclusively for General Motors vehicles, specifically tailored to fit the **2004 2010 Chevrolet Silverado and GMC Sierra** models equipped with the **3.7L V6, 4.3L V6, 4.8L V6, 5.3L V8, or 6.0L V8 engines**. Crafted from high-quality **stamped steel and durable plastic**, this cap is built to withstand the rigors of daily driving while ensuring a secure, leak-proof seal that maintains fuel integrity and prevents vapor emissions. The cap features a **threaded metal insert** that interlocks seamlessly with the fuel tank s filler neck, providing a tight, vibration-resistant fit that resists loosening over time critical for long-haul trucks and heavy-duty applications. Its **sleek silver finish** not only enhances the vehicle s aesthetic appeal but also helps dissipate heat, reducing the risk of condensation buildup inside the cap. The integrated **venting system** allows for proper fuel tank pressure regulation, preventing dangerous overpressure or vacuum conditions that could compromise fuel system performance. This cap is a **direct-fit OEM replacement**, ensuring compatibility without modifications, and is designed to meet or exceed GM s original specifications for durability, sealing efficiency, and environmental compliance. Whether restoring a classic Silverado to factory condition or addressing a worn-out cap in a high-mileage work truck, this component delivers reliable performance, peace of mind, and the confidence of knowing it meets the exacting standards of General Motors engineering.

**Pros and Cons of buying a GM 10330043 Fuel Tank Filler Gas Cap (2004 2010 GMC Sierra/Silverado)**

1. **Direct Fitment** This part is specifically designed for the 2004 2010 GMC Sierra and Chevrolet Silverado models, ensuring compatibility without modifications. It matches the original design, including the locking mechanism and fuel cap style.

2. **Reliability** GM s aftermarket parts, especially those from authorized suppliers, are generally built to meet or exceed OEM standards. This cap should function as reliably as the original, reducing the risk of leaks or malfunctions.

3. **Prevents Fuel Evaporation** A properly sealed fuel cap helps maintain fuel integrity by minimizing evaporation, which can lead to fuel system issues or reduced fuel efficiency over time.

4. **Easy Installation** The part is straightforward to install, typically requiring only basic tools. Most owners or mechanics can replace it without professional assistance.

5. **Cost-Effective** Compared to the cost of fuel system repairs or diagnostic trouble codes (e.g., P0442, P0446) caused by a faulty cap, purchasing this part is a relatively inexpensive solution.

6. **Availability** As a widely used GM part, it is readily available from auto parts stores, online retailers, and GM dealerships, reducing wait times for replacement.

7. **Prevents Code Errors** A damaged or missing fuel cap can trigger check engine lights and EVAP system codes. Replacing it resolves these issues, avoiding unnecessary diagnostic work.

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1. **Potential Counterfeit Parts** Some aftermarket parts, especially those purchased from untrusted sellers, may be counterfeit or of lower quality. This could lead to premature failure or improper sealing.

2. **Wear and Tear Over Time** Even a genuine part may degrade with age, especially if exposed to harsh conditions (e.g., extreme temperatures, road debris, or fuel additives). Regular inspection is recommended.

3. **Locking Mechanism Issues** Some owners report that the locking mechanism on aftermarket caps can wear out or become stiff, requiring occasional lubrication or replacement of the internal components.

4. **Fuel Cap Loss Risk** If the cap is frequently lost or damaged (e.g., due to rough handling or theft), it may need frequent replacement, increasing long-term costs.

5. **Limited Customization** Unlike some aftermarket alternatives, this part does not offer additional features (e.g., fuel level indicators, tamper-proof designs, or ergonomic improvements). It is a functional replacement only.

6. **Possible Misalignment** If not installed correctly, the cap may not seal properly, leading to minor fuel leaks or EVAP system issues. Careful installation is essential.

7. **Environmental Concerns** Improper disposal of old fuel caps can contribute to pollution. Ensure the old cap is recycled or disposed of responsibly.

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The GM 10330043 fuel tank filler gas cap is a practical and cost-effective solution for replacing a worn, lost, or damaged original cap in 2004 2010 GMC Sierra and Chevrolet Silverado vehicles. Its direct fitment, reliability, and ease of installation make it a strong choice for most owners. However, buyers should source the part from reputable suppliers to avoid counterfeit items and ensure long-term performance. Regular maintenance, such as checking for leaks or stiffness in the locking mechanism, will extend the cap s lifespan.

- **Purchase from trusted sources** (e.g., RockAuto, AutoZone, local GM dealerships, or verified online sellers) to guarantee authenticity.

- **Inspect the cap** for cracks, misalignment, or damage before installation.

- **Follow installation instructions carefully** to ensure a proper seal and avoid triggering EVAP system codes.

- **Consider keeping a spare** in case of loss or damage, especially if you frequently travel or encounter rough conditions.

- **Monitor for recurring issues** if the cap fails repeatedly, investigate whether the problem stems from the cap itself or the fuel tank s EVAP system.

For most owners, this part provides a simple and effective fix for fuel cap-related problems without requiring extensive modifications or expertise.

Details:

Quirk Parts, Gas Cap. Genuine GM Part Number: 10330043.

part #: 10330043 prices

• $19.89-$25.87

specifications boosttempgauges:

• for models: Sierra, Silverado
• for years: 2004-2010
• brand: Gm
• mpn: 10330043
• model: 3500 3500 3500 3500
• type: Fuel Tank
• year: 2004 2005 2006 2007 2008 2009 2010
• model.: Silverado 3500 Classic Silverado 3500 Hd
• manufacturer warranty: 1 Year
• custom bundle: No
• fitment type: Direct Replacement
• make: Chevrolet
• california prop 65 warning: May Cause Cancer And Reproductive Harm. See Www.p65warnings.ca.gov For More Info.

returns boosttempgauges:

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

general boosttempgauges:

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

offer boosttempgauges:

• started: May 5, 2026
• sold: 0
• availability: In Stock
• quantity: 1
• best offers: True
• options: Ship-to-home

shipping boosttempgauges:

• class: Standard
• service: UPS Ground
• cost: $0.00
• type: Fixed
• carrier: UPS
• transit: 3-9 Days

seller boosttempgauges:

• rating: 99.8%
• # reviews: 1183799
• city: Braintree, Massachusetts

payments boosttempgauges:

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

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