1. Fuel Tanks & Filler Necks Deals
  2. sku: 23623363986447632
  3. PONTIAC 10375407

PONTIAC 10375407 Fuel Filler Neck Gas Cap

fits model: G6. make: Pontiac. year: 2005–2010.

10375407 Pontiac 2005-2010 G6 Fuel Filler Neck Assembly With Gas Cap Oem

( Manufacturer Part Number: 10375407 ), ( Part Type: Fuel Filler Cap ), ( Id: 789db8fd-a940-44ac-b565-5ccf0758b463 ), ( Interchange: 179-cpi ), ( Year: 2007 )

Review PONTIAC Fuel Filler Neck Assembly Gas Cap Oem fits G6 2005–2010

The **Pontiac 10375407 Fuel Filler Neck and Gas Cap Assembly** for the **2005 2010 G6** is a precision-engineered component designed to ensure a secure, leak-free connection between the vehicle s fuel system and the filler neck, while also maintaining compliance with emissions standards and fuel system integrity. This high-quality replacement part is crafted to match the exact specifications of the original equipment manufacturer (OEM), featuring a durable **polypropylene or ABS plastic housing** that resists corrosion, UV degradation, and fuel vapor permeation, ensuring long-term reliability even in varying environmental conditions. The fuel filler neck is engineered with a **tight-sealing rubber gasket** that creates an airtight barrier, preventing fuel vapors from escaping into the atmosphere a critical feature for meeting federal emissions regulations like the **EVAP (Evaporative Emission Control) system** requirements. The integrated **gas cap** is equipped with a **threaded metal or plastic insert** that aligns perfectly with the vehicle s filler neck threads, providing a secure, vibration-resistant seal that minimizes the risk of fuel spills or evaporative emissions during refueling. This assembly is compatible with the **Pontiac G6 s 2.4L or 3.5L V6 engines**, ensuring a seamless fit for both base and performance-oriented models, including those equipped with the **LS engine** or **EcoTech fuel injection systems**. Whether addressing a worn-out original part, a damaged seal, or a simple upgrade for enhanced durability, this replacement filler neck and cap assembly delivers the performance and reliability expected from OEM-grade components, helping to maintain optimal fuel system efficiency and vehicle functionality.

### **Pros and Cons of Buying a Pontiac G6 (2005 2010) Fuel Filler Neck (Part #10375407) and Gas Cap**

#### **Pros:**

1. **Direct Fitment** The part number **10375407** is designed specifically for the **2005 2010 Pontiac G6** (including G6 GT and G6 Coupe models with the 3.5L V6 engine). This ensures compatibility without modifications, reducing the risk of installation issues.

2. **Prevents Fuel Spills and Evaporation** A functional fuel filler neck and cap help contain fuel, reducing the risk of spills during refueling and minimizing fuel evaporation, which can lead to fuel system inefficiencies.

3. **Maintains Emissions Compliance** The fuel filler neck and cap play a role in sealing the fuel system, helping the vehicle meet emissions standards. A damaged or missing part can trigger check engine lights (often due to EVAP system issues).

4. **Prevents Debris Entry** A properly sealed filler neck prevents dirt, moisture, and debris from entering the fuel tank, which can clog fuel filters or damage the fuel pump over time.

5. **Cost-Effective Replacement** Compared to labor-intensive repairs (e.g., replacing a fuel tank or pump due to contamination), replacing just the filler neck and cap is a relatively inexpensive fix, often costing between **$20 $50** for the part itself.

6. **Easy Installation** The part is typically a straightforward swap, requiring only basic tools (screwdriver, pliers, and possibly a new O-ring if needed). Many owners or even inexperienced DIYers can install it without professional help.

7. **Availability of Aftermarket Alternatives** If the OEM part is difficult to find, there are **aftermarket equivalents** (e.g., from **Dorman, Spectre, or RockAuto**) that offer similar performance at comparable prices.

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#### **Cons:**

1. **Potential Counterfeit or Low-Quality Parts** Some aftermarket or eBay sellers may offer **fake or substandard replicas** that fail prematurely. Always verify the seller s reputation and check for genuine OEM or trusted brand alternatives.

2. **O-Ring Wear** The fuel filler neck relies on an **O-ring seal** to prevent leaks. If the O-ring is worn or damaged, the new part may still leak, requiring replacement of the O-ring separately (often included with the part but not always).

3. **Rust or Corrosion in Older Models** If the vehicle has **signs of rust or neglect**, the fuel filler neck area may already be corroded, making installation difficult or requiring additional cleaning/welding.

4. **Check Engine Light (CEL) Persistence** If the original issue (e.g., a failing EVAP system or loose fuel cap) isn t fully resolved, the **check engine light may remain on** even after replacing the filler neck. A **scan tool** is needed to diagnose the underlying problem.

5. **Limited Longevity in Harsh Conditions** In extreme climates (very hot or very cold), plastic components (like the filler neck) may degrade faster, potentially requiring replacement sooner than expected.

6. **Possible Misalignment During Installation** If not installed correctly, the filler neck may not align properly with the fuel tank opening, leading to leaks or difficulty inserting the fuel nozzle.

7. **Not a Permanent Fix for Underlying Issues** If the **fuel tank itself is damaged, cracked, or rusted**, replacing just the filler neck won t solve the problem. A full tank replacement may be needed in severe cases.

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### **Conclusion:**

Replacing the **Pontiac G6 (2005 2010) fuel filler neck (part #10375407) and gas cap** is a **practical and cost-effective solution** for addressing fuel system leaks, EVAP issues, or worn-out components. The part is **easy to install**, widely available, and helps maintain the vehicle s performance and emissions compliance.

However, the success of the repair depends on:

- **Using a genuine or high-quality aftermarket part** (avoiding fakes).

- **Ensuring the O-ring is intact** (replacing it if necessary).

- **Checking for underlying issues** (e.g., fuel tank integrity, EVAP system faults).

- **Proper installation** to prevent leaks or misalignment.

If the vehicle has **severe rust or structural damage**, additional repairs may be required beyond just the filler neck.

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### **Recommendation:**

1. **Purchase from a Trusted Source** Buy the part from **OEM suppliers (e.g., GM Parts Online), reputable auto parts stores (AutoZone, Advance Auto, RockAuto), or well-reviewed online sellers** to avoid counterfeit items.

2. **Inspect the O-Ring** If the O-ring is cracked or degraded, **replace it separately** (often sold as a kit with the filler neck).

3. **Check for Underlying Issues** After installation, **clear the check engine light** and **scan for codes** to ensure no other EVAP or fuel system problems exist.

4. **Test for Leaks** After refueling, **check for fuel odors or wet spots** around the filler neck. If leaks persist, recheck the installation or O-ring.

5. **Consider a Full Fuel System Inspection** If the vehicle has **history of neglect, water damage, or frequent fuel-related issues**, consider having the **fuel tank and lines inspected** for hidden damage.

**Final Verdict:** **Worth the replacement** if the issue is isolated to the filler neck and cap. However, if the problem recurs or other symptoms appear, further diagnostics are necessary. For most cases, this is a **quick, affordable fix** that restores proper fuel system function.

Details:

This part will fit the following: PONTIAC G6 05 base model. PONTIAC G6 06-07 GT, GTP base model. Search for more parts PONTIAC G6. PONTIAC G6 08 GT, GXP base model.

part #: 10375407 prices

  • $190.00-$230.30

specifications fueltanksysteme:

  • for models: G6
  • for makes: Pontiac
  • for years: 2005-2010
  • mpn: 10375407
  • part type: Fuel Filler Cap
  • id: 789db8fd-a940-44ac-b565-5ccf0758b463
  • interchange: 179-cpi
  • year: 2007

offer fueltanksysteme:

  • options: Ship-to-home
  • started: April 8, 2026
  • sold: 0
  • quantity: 1
  • best offers: True
  • availability: In Stock

payments fueltanksysteme:

  • wallet: Apple-pay
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  • credit card: Visa

seller fueltanksysteme:

  • # reviews: 15644
  • city: Brush, Colorado
  • rating: 99.5%

shipping fueltanksysteme:

  • transit: 2-6 Days
  • cost: $0.00
  • service: Standard
  • class: Standard
  • type: Fixed

general fueltanksysteme:

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

returns fueltanksysteme:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 30 Days
for models: g6, for makes: pontiac, for years: 2005-2010, part type: fuel filler cap, id: 789db8fd-a940-44ac-b565-5ccf0758b463, interchange: 179-cpi, year: 2007,
category: auto parts > car truck parts accessories > air fuel delivery > fuel tanks filler necks, sku: 23623363986447632,
Pontiac 10375407 Is Similar To:
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2 offers $190.00–$230.30 USD
  • Used. Offer #1 priced at $190.00 + $0.00 shipping estimate = $190.00* total. PONTIAC G6 08 GT, GXP & base model Model: PONTIAC G6.FREE SHIPPING
  • New. Offer #2 priced at $230.30 + $32.37 shipping estimate = $262.67* total. Federal, without flex fuel Parts and prices listed on our site are based off GM pricing.+$32.37 shipping

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