88841GTMR DORMAN Expansion Plug Buick Century

Review DORMAN For Buick Expansion Plug for BUICK CENTURY 1982–1992

The Dorman 88841GTMR expansion valve is specifically designed for use in 1982-1992 Buick Century vehicles, fitting models from 1983 to 1986. This expansion valve is an essential component of the cooling system, regulating the flow of coolant into the engine's cylinder heads under high engine temperature conditions.

This valve is manufactured to meet OE (original equipment) specifications, ensuring a proper seal and reliable operation. It is made from high-quality materials, including a durable brass body and a hardened steel valve seat, which provide excellent resistance to corrosion and wear.

The Dorman 88841GTMR expansion valve features a built-in temperature sensor, which allows the PCM (Powertrain Control Module) to monitor coolant temperature and adjust engine operation accordingly. This not only improves engine performance but also helps maintain optimal operating temperatures, which is crucial for prolonging engine life.

The valve is designed for a straightforward installation process, with no need for additional modifications or special tools. It comes complete with all necessary hardware, including new gaskets and seals, making it a true plug-and-play replacement part.

By using the Dorman 88841GTMR expansion valve, you can restore the cooling system's functionality in your Buick Century, ensuring dependable engine performance and long-term durability. It is an excellent choice for vehicle owners seeking a high-quality, cost-effective solution for replacing a faulty or worn-out expansion valve.

The Dorman 88841GTMR expansion valve is a replacement part designed for Buick Century vehicles manufactured between 1982 and 1992, with specific applications in 1983, 1984, 1985, and 1986 models. This part is essential for maintaining the cooling system's proper functioning. In this response, I will outline the potential advantages and disadvantages of purchasing this expansion valve.

1. OEM Equivalent: The Dorman 88841GTMR is an aftermarket part that is designed to be an exact fit and function identical to the original equipment manufacturer (OEM) expansion valve.

2. Cost-Effective: Compared to buying a new OEM part from a dealership, aftermarket parts like the Dorman 88841GTMR are usually less expensive.

3. Availability: Aftermarket parts like the Dorman 88841GTMR are widely available at automotive stores, online retailers, and from the manufacturer directly.

4. Warranty: Dorman Products offers a limited lifetime warranty on their parts, which can provide peace of mind for customers concerned about the reliability and durability of the replacement part.

1. Potential for Incompatibility: Although the Dorman 88841GTMR is designed to be a direct replacement, there is a small chance that it may not be an exact fit for some vehicles or may require additional modifications to work correctly.

2. Quality Concerns: Some customers have reported issues with the quality of the Dorman 88841GTMR, such as leaks or premature failure. However, these instances are relatively rare.

3. Installation Complexity: Installing an expansion valve in a cooling system can be a complex process, and it may require the use of specialized tools and a good understanding of the vehicle's cooling system.

In conclusion, the Dorman 88841GTMR expansion valve offers several advantages, including OEM equivalency, cost-effectiveness, availability, and warranty. However, there are also potential disadvantages, such as the possibility of incompatibility, quality concerns, and installation complexity.

Based on the available information, I would recommend considering the Dorman 88841GTMR as a viable option for replacing the expansion valve in a 1982-1992 Buick Century, provided that the installation process is carried out correctly and the customer is aware of the potential risks. If there are concerns about quality or compatibility, it may be worth exploring alternative aftermarket brands or considering an OEM part from a dealership. Ultimately, the decision should be based on the individual's specific needs, budget, and comfort level with aftermarket parts.

Details:

12 month warranty fitment notes: vehicle: engine: 1982 - 1992 Buick Century2.5l 4 Cl. 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: Century
• for makes: Buick
• for years: 1982–1992
• brand: Dorman
• mpn: 88841gtmr
• part type: Plug
• manufacturer warranty: 12 Month Warranty
• notes: Engine Core Plug 3/4 In.; Package Quantity
• years: 1983 1985 1992 1982 1984 1986 1987 1988 1989 1990 1991
• application: Buick Century Expansion Plug
• product name 2: Engine Core Plug
• cs-sku: 400

seller engineblocksam:

• city: auburn, washington
• # reviews: 328520
• rating: 98.8%

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

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• type: fixed
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• sold #: 9
• options: ship-to-home
• started: april 15, 2026
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• price: $17.15
• item condition: New
• availability: in stock

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