81WT34S DORMAN Rear Expansion Plug Buick Regal

Review DORMAN Rear Expansion Plug Fits Buick for BUICK REGAL 1975–1987

Introducing the Dorman 81WT34S Rear Expansion Plug, specifically designed for Buick Regal models manufactured between 1975 and 1987. This essential automotive part is an important component of the vehicle's fuel system, ensuring efficient and reliable fuel delivery to the engine.

The Dorman 81WT34S is an expansion plug, which means it is designed to expand and contract with the fuel pump diaphragm as it operates. This expansion and contraction is necessary to maintain an airtight seal between the fuel tank and the fuel pump, preventing fuel leaks and ensuring proper fuel pressure.

This plug is made from high-quality materials, ensuring durability and longevity. The outer body is constructed from a robust, corrosion-resistant material that can withstand the harsh conditions found in the fuel tank environment. The inner sealing surface is made from a soft, flexible material that can expand and contract with the diaphragm without wearing out or leaking.

Installing the Dorman 81WT34S is a straightforward process. It is designed to be a direct replacement for the original equipment part, making it an easy and convenient upgrade for Buick Regal owners. The plug comes with all necessary hardware, including a gasket, to ensure a secure and leak-free installation.

In summary, the Dorman 81WT34S Rear Expansion Plug is a critical automotive component that ensures an airtight seal between the fuel tank and fuel pump on 1975-1987 Buick Regal models. Made from high-quality materials, this expansion plug offers durability, reliability, and easy installation. Trust Dorman to provide you with the best replacement parts for your vehicle.

Buying the Dorman 81WT34S rear expansion plug for a 1975-1987 Buick Regal can be a worthwhile investment for several reasons. Here are some pros and cons to consider before making your purchase.

1. OEM Equivalent: The Dorman 81WT34S is designed to be an OEM (Original Equipment Manufacturer) equivalent, which means it is engineered to meet or exceed the performance of the original part.

2. Functionality: This expansion plug is designed to help maintain the proper brake system pressure by expanding to seal the brake line when under pressure.

3. Cost-effective: Compared to purchasing a new OEM part from a dealership, the Dorman 81WT34S is often more affordable, making it a cost-effective option for vehicle owners.

1. Installation: Installing the expansion plug may require some mechanical knowledge and skills. If you are not comfortable with this task, it may be best to hire a professional mechanic.

2. Quality Concerns: While the Dorman 81WT34S is designed to meet or exceed OEM specifications, some users have reported issues with the quality of the product. It is essential to ensure that the part is installed correctly and functions properly to avoid any potential problems.

The Dorman 81WT34S rear expansion plug can be a cost-effective and functional solution for maintaining the brake system pressure in a 1975-1987 Buick Regal. However, it is essential to consider the installation process and potential quality concerns before making a purchase. If you are confident in your mechanical skills and willing to take the risk, the Dorman 81WT34S can be a viable option. Alternatively, you may consider having a professional mechanic install the part to ensure optimal performance and peace of mind.

If you are comfortable with the installation process and willing to take the risk, the Dorman 81WT34S rear expansion plug can be a cost-effective solution for maintaining the brake system pressure in your 1975-1987 Buick Regal. However, if you prefer a more hassle-free option, it may be worth considering having a professional mechanic install a new OEM part or exploring alternative options from reputable aftermarket manufacturers. Ultimately, the decision depends on your budget, mechanical skills, and personal preferences.

Details:

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 models: Regal
• for makes: Buick
• for years: 1975–1987
• brand: Dorman
• mpn: 81wt34s
• part type: Plug
• placement on vehicle: Rear
• part details: Engine Core Plug Rear
• fit years: 1992 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985
• cs-sku: 400

shipping engineblocksam:

• transit: 2-6 days
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• service: fedex ground or fedex home delivery
• type: fixed
• class: standard

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general engineblocksam:

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

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• policy: returns accepted
• time: 30 days

offer engineblocksam:

• in stock #: 1
• sold #: 19
• started: may 8, 2025
• availability: in stock
• price: $19.74
• item condition: New
• options: ship-to-home

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