BUICK 12604482 General Gm Coolant Filler Tube Neck 3.9L

( Manufacturer Part Number: 12604482 ), ( Part Type: Filler Tube Motor ), ( Country Of Origin: United States )

Review BUICK General Motors 3.9l Oem Gm Coolant Filler Tube Neck #12604482 fits LUCERNE 2009–2011

The **Buick Lucerne 2009-2011 3.9L GM Coolant Filler Tube Neck (Part #12604482)** is a precision-engineered component designed to maintain the integrity of your vehicle s cooling system while ensuring a secure and leak-free connection between the coolant reservoir and the engine bay. Crafted from high-quality, heat-resistant plastic, this filler tube neck is engineered to withstand the thermal stresses of a high-performance 3.9L V6 engine, which powers the Lucerne s smooth and powerful ride. The neck features a robust, interference-fit design that snaps securely into place, preventing coolant spills and ensuring a tight seal that resists vibrations and road-induced movement. Its sleek, tapered shape not only enhances functionality but also contributes to the vehicle s clean, streamlined aesthetic, blending seamlessly with the Lucerne s premium interior and exterior styling cues. This part is a direct replacement for the original equipment manufacturer (OEM) component, guaranteeing compatibility with the 2009, 2010, and 2011 model years of the Buick Lucerne, including all trim levels equipped with the 3.9L GM engine. Whether you re performing routine maintenance, addressing a coolant leak, or upgrading your vehicle s cooling system, this filler tube neck is a reliable, long-lasting solution that upholds the Lucerne s reputation for luxury and performance. Its straightforward installation and durable construction make it an essential part for any owner seeking to preserve their vehicle s efficiency and reliability.

### **Pros and Cons of Buying a Buick Lucerne (2009-2011, 3.9L GM Coolant Filler Tube Neck Part #12604482)**

1. **Direct Fitment** The Buick General part number **12604482** is designed specifically for the 2009-2011 3.9L V6 Buick Lucerne, ensuring compatibility without modifications.

2. **OEM Quality** As a genuine GM (General Motors) part, it meets the same manufacturing standards as original equipment, reducing the risk of premature failure.

3. **Prevents Coolant Leaks** The coolant filler tube neck is a critical component that, when worn or cracked, can lead to coolant loss, overheating, and engine damage. Replacing it ensures proper sealing and system integrity.

4. **Easy Installation** The part is relatively straightforward to replace, requiring only basic tools (screwdriver, new gasket, and coolant). No major disassembly is needed.

5. **Cost-Effective Long-Term Solution** While the part itself is priced reasonably, replacing it prevents costly engine repairs that could arise from coolant system failures.

6. **Maintenance Compliance** If the original part has degraded over time, replacing it aligns with standard vehicle maintenance practices, potentially extending the life of the cooling system.

7. **Warranty Coverage (If Purchased from Authorized Dealer)** Some GM parts come with limited warranties, providing peace of mind against defects.

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1. **Age of the Vehicle** The 2009-2011 Buick Lucerne is an older model, and while the part itself may be reliable, the vehicle could have other underlying issues (e.g., water pump, thermostat, or hoses) that may require attention soon.

2. **Potential Counterfeit Parts** If purchasing from an untrusted seller (e.g., eBay, Craigslist, or uncertified online marketplaces), there is a risk of receiving a fake or low-quality part that fails prematurely.

3. **Labor Costs (If Not DIY)** If you do not perform the replacement yourself, labor costs at a dealership or mechanic could be significant, especially if the vehicle requires additional diagnostics (e.g., checking for coolant leaks elsewhere).

4. **Limited Availability of Aftermarket Alternatives** While OEM parts are reliable, aftermarket equivalents (e.g., from ACDelco or other brands) may be harder to find for this specific part number, though they are often equally good.

5. **Possible Secondary Issues** If the coolant system has been neglected (e.g., old coolant, corroded lines), replacing just the filler tube neck may not fully resolve leaks if other components (e.g., hoses, gaskets) are failing.

6. **Resale Value Concerns** Older Buicks, even with minor repairs, may have lower resale value compared to newer or more reliable brands, which could be a consideration if you plan to sell the vehicle later.

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The **Buick General coolant filler tube neck (12604482)** is a practical and necessary replacement for a 2009-2011 3.9L Lucerne experiencing coolant leaks or wear. The part itself is a sound investment in preventing engine damage and maintaining cooling system efficiency. However, the decision to purchase it should be weighed against the vehicle s overall condition, your ability to perform the repair (or afford labor), and the source of the part (to avoid counterfeits).

If you are confident in your mechanical skills or have access to a trusted mechanic, replacing this part is a **recommended preventive measure** to avoid more severe (and expensive) coolant-related failures. If the vehicle has other known issues or is approaching the end of its useful life, the repair may not be worth the investment.

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1. **Verify the Part Number** Ensure the part number **12604482** matches your exact vehicle year, trim, and engine configuration (3.9L V6).

2. **Purchase from a Trusted Source** Buy from an **authorized GM parts dealer, a reputable online retailer (e.g., RockAuto, PartsGeek), or a dealership** to avoid counterfeit parts.

3. **Check for Additional Wear** While replacing the filler tube neck, inspect the surrounding coolant system (hoses, clamps, water pump, thermostat housing) for signs of leaks or cracks. Replace any compromised components simultaneously.

4. **Drain and Refresh Coolant** If the coolant has been in the system for years, drain and replace it with fresh, high-quality coolant to prevent buildup and corrosion.

5. **Consider Professional Help if Needed** If you are unsure about the installation process or lack the necessary tools, consult a mechanic to ensure proper sealing and avoid leaks.

6. **Evaluate Vehicle Longevity** If the Lucerne has other major issues (e.g., transmission problems, electrical failures), weigh whether the cost of this repair aligns with your long-term goals for the vehicle.

**Final Verdict:** The part is a **wise purchase for maintaining the cooling system**, but the broader context of the vehicle s condition should guide whether the repair is justified. For most owners addressing a leak, this is a **recommended and cost-effective fix**.

Details:

You get this exact one in the photos. OEM coolant nozzle pulled from a 2011 Lucerne.

part #: 12604482 prices

• $22.49-$186.05

specifications ocoosys:

• for models: Lucerne
• for makes: Buick
• for years: 2009-2011
• mpn: 12604482
• part type: Filler Tube Motor
• country of origin: United States

offer ocoosys:

• availability: In Stock
• options: Ship-to-home
• sold: 0
• quantity: 1
• started: April 19, 2026

shipping ocoosys:

• transit: 4-10 Days
• cost: $6.99
• class: Standard
• carrier: USPS
• type: Fixed
• service: USPS Ground Advantage

general ocoosys:

• condition: Used
• Car Truck Parts Accessories > Engine Cooling Components > Other Engine Cooling Components

seller ocoosys:

• # reviews: 25113
• rating: 100.0%
• city: Bloomington, Indiana

payments ocoosys:

• wallet: Google-pay
• credit card: Discover
• other

returns ocoosys:

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

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