15162YTMD DORMAN Somerset Expansion Plug Buick

Review DORMAN For Buick Somerset Expansion Plug 2.5l Cyl for BUICK 1986–1987

The Dorman 15162ytmd Expansion Plug is specifically designed for the 1986 and 1987 Buick Somerset models with a 2.5L engine. This essential engine component is engineered to meet or exceed the original equipment (OE) specifications, ensuring reliable and efficient engine performance.

The expansion plug is responsible for maintaining proper engine compression by venting excess pressure during the engine's compression stroke. It is made of high-quality materials, including a durable, heat-resistant ceramic insulator and a strong, corrosion-resistant stainless steel shell. The insulator is designed to withstand extreme engine temperatures, while the shell is engineered to provide a secure seal in the engine cylinder head.

This Dorman expansion plug features a copper core, which provides excellent heat conductivity and helps maintain optimal engine temperature. The plug also has a precision-machined, chamfered sealing surface to ensure a proper seal and prevent leakage. Additionally, it comes with a high-temperature seal and a new gasket to ensure a secure installation.

Installing the Dorman 15162ytmd Expansion Plug is a straightforward process, making it an excellent choice for DIY enthusiasts. The plug comes complete with all necessary hardware, including a new copper washer and a new gasket. It also includes detailed installation instructions to ensure a successful installation.

In summary, the Dorman 15162ytmd Expansion Plug is a high-quality replacement part designed specifically for the 1986 and 1987 Buick Somerset models with a 2.5L engine. It is made of durable materials, features a copper core for excellent heat conductivity, and comes with all necessary hardware and installation instructions for a hassle-free replacement.

The Dorman 15162ytmd is a replacement expansion plug for select Buick Somerset models from 1986 and 1987, featuring a 2.5L engine and a 1.35-inch plug opening. Here are some pros and cons of purchasing this part:

1. OEM Equivalency: The Dorman 15162ytmd is designed to be an OEM (Original Equipment Manufacturer) equivalent, meaning it matches the original part in terms of fit, function, and quality.

2. Affordability: Compared to buying an original OEM part from a dealership, the Dorman expansion plug is generally more affordable, helping you save money on your repair.

3. Wide Applicability: This part number covers a wide range of vehicles, including various Buick Somerset models, ensuring a good fit for many potential customers.

4. High-Quality Materials: Dorman uses durable materials to manufacture their parts, ensuring that the expansion plug lasts as long as an OEM part.

1. Potential for Misapplication: Since the Dorman 15162ytmd covers a wide range of vehicles, there is a chance of misapplication if the customer fails to confirm if their specific vehicle is covered by the part number.

2. Lack of Warranty: Dorman does not offer an explicit warranty on this part, which might be a concern for some customers seeking added peace of mind.

3. Limited Availability: The Dorman 15162ytmd might not be readily available at local auto parts stores, requiring customers to order it online or from a distributor.

In conclusion, the Dorman 15162ytmd expansion plug offers a cost-effective and OEM-equivalent solution for fixing the expansion plug issue in select Buick Somerset models from 1986 and 1987. However, it is essential to confirm that the part is compatible with your specific vehicle and to consider the potential for misapplication and lack of warranty when making a purchasing decision. If you are confident in the applicability and feel comfortable with the risks, the Dorman 15162ytmd is a recommended choice for a replacement expansion plug.

Details:

12 month warranty fitment notes: vehicle: engine: 1986 - 1987 Buick somerset 2.5l 4 cyl. Ideal solution - this plug is a reliable replacement for an original part that missing or has failed due to fatigue. Durable construction - this part is made from quality materials to ensure reliable performance and long service life. 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: 1986–1987
• brand: Dorman
• mpn: 15162ytmd
• part type: Plug
• manufacturer warranty: 12 Month Warranty
• notes: Engine Core Plug 41.5 Mm; As Required; Package Quantity
• years: 1986 1987
• application: Buick Somerset Expansion Plug
• product name 2: Engine Core Plug
• cs-sku: 400

seller engineblocksam:

• city: austin, texas
• rating: 98.8%
• # reviews: 329003

returns engineblocksam:

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

payments engineblocksam:

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

offer engineblocksam:

• options: ship-to-home
• in stock #: 1
• availability: in stock
• started: april 18, 2026
• price: $15.40
• item condition: New
• sold #: 9

shipping engineblocksam:

• transit: 4-7 days
• class: standard
• carrier: fedex
• service: fedex ground / fedex home delivery
• type: fixed

general engineblocksam:

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