48412TMWS DORMAN Skyhawk Expansion Plug Buick

Review DORMAN For Buick Skyhawk Expansion Plug for BUICK 1982–1989

The Dorman 48412 TMWs expansion plug is specifically designed for the 1982-1989 Buick Skyhawk models, fitting perfectly for the engines produced during the years 1983, 1984, 1985, and 1986. This essential engine component is a direct OE replacement, ensuring a reliable and accurate fit for your vehicle.

The expansion plug features a high-quality, heat-resistant ceramic insulator that effectively insulates the plug from the coolant in the engine. This insulator allows the plug to expand and contract with the engine temperatures without the risk of damage. The ceramic material also provides excellent thermal shock resistance, ensuring that the plug can withstand the extreme temperature changes within the engine.

The Dorman 48412 TMWs expansion plug comes with a precision-machined stainless steel threaded connector that provides a secure and leak-free seal. This connector is resistant to corrosion and wear, ensuring long-lasting performance and reliability. The plug also includes a high-temperature, resilient rubber gasket that further enhances the seal and prevents coolant leaks.

The plug's design includes a robust, nickel-chromium alloy spark plug center electrode that delivers superior ignition performance. This electrode ensures efficient combustion and improved fuel economy, contributing to better engine performance and longevity. Additionally, the plug features a copper core ground electrode that ensures excellent conductivity and durability.

The Dorman 48412 TMWs expansion plug is engineered to meet or exceed OE specifications, ensuring that it provides the same level of performance and reliability as the original part. With its high-quality materials, precise engineering, and OE fit, this expansion plug is an excellent choice for those seeking a reliable and cost-effective solution for their Buick Skyhawk engine.

Dorman 48412TMWS Expansion Plug for 1982-1989 Buick Skyhawk: A Comprehensive Analysis

The Dorman 48412TMWS expansion plug is a replacement part designed for the cooling systems of 1982-1989 Buick Skyhawk vehicles. This analysis aims to provide an in-depth examination of the advantages and disadvantages of purchasing this part.

1. OEM Equivalent: The Dorman 48412TMWS expansion plug is engineered to be equivalent to the original equipment manufacturer (OEM) part. This ensures a proper fit and function in the cooling system.

2. Cost-Effective: Compared to purchasing a new OEM part directly from the dealership, the Dorman 48412TMWS is often more affordable. This can save vehicle owners a significant amount of money.

3. Availability: Dorman parts are widely available at various auto parts stores, both in-person and online. This makes the part easily accessible for those in need of a replacement.

4. Reliability: Dorman is a well-known and reputable brand in the automotive aftermarket industry. Their parts are designed to meet or exceed OEM specifications, ensuring a reliable solution for cooling system issues.

1. Potential for Counterfeit Products: With the popularity of Dorman parts, there is a risk of encountering counterfeit or inferior aftermarket alternatives. It is essential to ensure that the part being purchased is indeed the genuine Dorman 48412TMWS.

2. Installation Complexity: Installing the expansion plug may require specialized tools and knowledge. If the vehicle owner is not confident in their ability to perform the installation, it may be best to seek professional assistance.

3. Potential for Additional Costs: While the part itself may be cost-effective, there may be additional expenses associated with the installation process, such as labor costs or purchasing any necessary tools.

The Dorman 48412TMWS expansion plug offers several advantages, including OEM equivalent quality, cost-effectiveness, availability, and reliability. However, potential disadvantages include the risk of counterfeit products, installation complexity, and potential for additional costs.

If you are in need of a replacement expansion plug for your 1982-1989 Buick Skyhawk and are comfortable with the installation process, the Dorman 48412TMWS is a recommended option due to its cost-effectiveness, OEM equivalent quality, and wide availability. However, it is essential to ensure that the part being purchased is the genuine Dorman 48412TMWS to avoid any potential issues. If you are unsure about the installation process or lack the necessary tools, it may be best to seek professional assistance.

Details:

Fitment notes: 34.3mm brass cup as Re, vehicle: sub model: engine: 1986 Buick skyhawk sport 1.8l 4 Cl fie naturally aspirated gas, 1985 - 1986 skyhawk custom 1.8l skyhawk limited 1.8l skyhawk-type 1.8l gas. Durable construction - this part is made from quality materials to ensure reliable performance and long service life. Ideal solution - this plug is a reliable replacement for an original part that missing or has failed due to fatigue. Trustworthy quality - backed by team of product experts in the USA and more than a century automotive experience.

specifications engineblocksam:

• for makes: Buick
• for years: 1982–1989
• brand: Dorman
• mpn: 48412tmws
• part type: Plug
• manufacturer warranty: 12 Month Warranty
• notes: Engine Core Plug
• years: 1982 1983 1984 1985 1986 1987 1988 1989
• application: Buick Skyhawk Expansion Plug
• cs-sku: 400

shipping engineblocksam:

• carrier: fedex
• transit: 5-8 days
• service: fedex ground / fedex home delivery
• class: standard
• type: fixed

returns engineblocksam:

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

seller engineblocksam:

• rating: 98.8%
• city: hingham, massachusetts
• # reviews: 328823

payments engineblocksam:

• credit card: mastercard
• other
• wallet: google-pay

offer engineblocksam:

• in stock #: 1
• price: $41.96
• item condition: New
• sold #: 9
• availability: in stock
• options: ship-to-home
• started: april 18, 2026

general engineblocksam:

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