28223KFGS DORMAN Somerset Expansion Plug Buick

Review DORMAN For Buick Somerset Expansion Plug 3.0l V6 for BUICK 1986–1987

The Dorman 28223KFGS expansion plug is a precision-engineered replacement part designed specifically for the 1986 and 1987 Buick Somerset models with a 3.0L V6 engine. This expansion plug plays a crucial role in the ignition system, enabling the spark plug to efficiently transfer the spark from the ignition coil to the combustion chamber.

The Dorman 28223KFGS expansion plug is constructed using high-quality materials, ensuring durability and reliability. It features a robust metal shell that protects the internal components from the harsh engine environment. The plug also comes with a new, high-performance spark plug gapper, ensuring the correct gap between the electrode and the engine's cylinder wall for optimal ignition.

The insulator of the Dorman 28223KFGS expansion plug is made of a heat-resistant ceramic material, which provides excellent insulation and allows for efficient heat transfer. This insulator is also designed to maintain a consistent shape, even under extreme temperatures, ensuring consistent performance and preventing misfires.

The Dorman 28223KFGS expansion plug also features a copper core, which facilitates the fast and efficient transfer of heat from the combustion chamber to the cooling system. This copper core also helps to prevent fouling, ensuring that the plug remains clean and effective over time.

The Dorman 28223KFGS expansion plug comes with a new, high-performance spark plug, designed to provide efficient combustion and excellent fuel economy. The spark plug features a fine-grained, iridium-enhanced electrode that provides a longer service life and improved ignition performance.

Overall, the Dorman 28223KFGS expansion plug is an excellent replacement part for the 1986 and 1987 Buick Somerset models with a 3.0L V6 engine. It is designed to provide reliable and efficient ignition performance, ensuring that your vehicle runs smoothly and efficiently.

The Dorman 28223KFGS is a replacement expansion valve for the cooling system of a 1986-1987 Buick Somerset with a 3.0L V6 engine. This part is essential for maintaining the proper functioning of the engine cooling system. Here are some pros and cons of buying this particular part:

1. OEM Equivalent: This Dorman part is designed to be an exact fit and function identical to the original equipment, ensuring optimal performance and reliability.

2. Cost-Effective: Replacing a faulty expansion valve with a new one from Dorman can save you money compared to purchasing a new vehicle or even a remanufactured OEM part.

3. Easy Installation: The expansion valve is a relatively simple part to replace, allowing most DIY enthusiasts to complete the job in their garage.

4. Quality Assurance: Dorman is a well-known and trusted supplier of aftermarket automotive parts, providing a high level of quality and durability.

1. Availability: Depending on your location and the availability of the part at local auto parts stores, it might take some time to receive the Dorman expansion valve.

2. Potential for Damage During Installation: When handling and installing the new expansion valve, there is a risk of accidental damage if not done carefully.

3. Incompatibility with Some Vehicles: Although the Dorman 28223KFGS is designed for 1986-1987 Buick Somerset models with a 3.0L V6 engine, there is a possibility that it may not fit or function correctly in other vehicles.

In conclusion, the Dorman 28223KFGS is a cost-effective and reliable solution for replacing a faulty expansion valve in a 1986-1987 Buick Somerset with a 3.0L V6 engine. Its OEM equivalent design ensures optimal performance and reliability, making it a smart choice for those looking to save money while maintaining their vehicle. However, it's essential to ensure proper installation and double-check compatibility before making the purchase.

Recommendation: If you own a 1986-1987 Buick Somerset with a 3.0L V6 engine and are experiencing cooling system issues, consider replacing the expansion valve with a Dorman 28223KFGS. This aftermarket part offers the best balance between cost, reliability, and ease of installation. Just be sure to follow the installation instructions carefully and double-check compatibility before making the purchase.

Details:

Trustworthy quality - backed by team of product experts in the USA and more than a century automotive experience. Ideal solution - this plug is a reliable replacement for an original part that missing or has failed due to fatigue. Parts geek - for 1986 - 1987 Buick somerset expansion plug Dorman 28223KFGS 3.0l v6: review fitment notes to ensure proper fit condition: new brand: notes: engine core .060 in. Durable construction - this part is made from quality materials to ensure reliable performance and long service life.

12 month warranty fitment notes: vehicle: engine: 1986 - 1987 Buick somerset 3.0l v6.

specifications engineblocksam:

• for makes: Buick
• for years: 1986–1987
• brand: Dorman
• mpn: 28223kfgs
• part type: Plug
• manufacturer warranty: 12 Month Warranty
• notes: Engine Core Plug .060 In. Oversized; 1.562 In.; As Required.
• years: 1986 1987
• application: Buick Somerset Expansion Plug
• product name 2: Engine Core Plug
• cs-sku: 400

seller engineblocksam:

• # reviews: 329096
• rating: 98.8%
• city: hermiston, oregon

payments engineblocksam:

• credit card: diners-club
• wallet: paypal
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shipping engineblocksam:

• service: fedex ground / fedex home delivery
• transit: 5-9 days
• carrier: fedex
• type: fixed
• class: standard

offer engineblocksam:

• availability: in stock
• started: april 19, 2026
• in stock #: 1
• price: $15.77
• item condition: New
• sold #: 9
• options: ship-to-home

general engineblocksam:

• category: Auto Parts > Car Truck Accessories > Engines > Blocks

returns engineblocksam:

• time: 30 days
• paid by: seller
• policy: returns accepted