66321GKTW DORMAN Skyhawk Expansion Plug Buick

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

The Dorman 66321GKTW Expansion Plug is a precise replacement part designed specifically for select Buick Skyhawk models from 1983 to 1986, with engine years ranging from 1982 to 1989. This expansion plug is an essential component of the engine's cooling system, ensuring efficient engine operation and maintaining optimal engine temperature.

This Dorman product is manufactured to meet or exceed OEM specifications, guaranteeing a reliable and long-lasting performance. The expansion plug is made from high-quality materials, including a robust, heat-resistant ceramic insulator and a sturdy, corrosion-resistant stainless steel body. The plug features a precise, engineered fit, allowing for easy installation and eliminating the need for any modifications.

The Dorman 66321GKTW expansion plug also comes with a pre-installed, reusable gasket that ensures a leak-free seal between the plug and the engine block. This gasket is designed for durability and can be reused when the plug is eventually replaced, contributing to cost savings over time.

The expansion plug's design incorporates a visible coolant level indicator, allowing for quick and easy inspections of the engine coolant level. This feature ensures that any potential coolant leaks or loss can be identified and addressed promptly, preventing more extensive engine damage.

Installing the Dorman 66321GKTW expansion plug is a straightforward process. Simply remove the old expansion plug, install the new one, and reattach the cooling system components. The plug can be easily identified by the markings on the side that correspond to the engine year, ensuring a correct fit for your specific Buick Skyhawk model.

In summary, the Dorman 66321GKTW Expansion Plug is a high-quality, reliable, and cost-effective solution for replacing the worn-out expansion plug in your 1982-1989 Buick Skyhawk. Its precise fit, durable construction, and convenient features make it an ideal choice for maintaining the optimal performance and longevity of your vehicle's engine cooling system.

Dorman 66321GKTW Expansion Plug for 1982-1989 Buick Skyhawk: A Detailed Analysis

The Dorman 66321GKTW Expansion Plug is a replacement part designed for the cooling system of 1982-1989 Buick Skyhawk models, including 1983, 1984, 1985, and 1986. In this analysis, we will discuss the potential advantages and disadvantages of purchasing this part to help you make an informed decision.

1. OEM-equivalent performance: The Dorman 66321GKTW is designed to provide the same function as the original equipment manufacturer (OEM) expansion plug, ensuring proper cooling system operation.

2. Cost-effective: Compared to purchasing a new OEM part, the Dorman 66321GKTW is typically more affordable, saving you money on replacement costs.

3. Wide applicability: This expansion plug is compatible with various Buick Skyhawk models from 1982 to 1989, making it a versatile choice for those with older vehicles.

4. Reliable brand: Dorman is a well-known and trusted automotive parts manufacturer, ensuring the quality and durability of their products.

5. Easy installation: The expansion plug is a straightforward replacement part, making it suitable for DIY enthusiasts and professional mechanics alike.

1. Potential fitment issues: Although the Dorman 66321GKTW is designed to fit various Buick Skyhawk models, there is a chance that it may not fit perfectly on every vehicle. Careful installation and inspection are necessary to ensure proper function.

2. Limited availability at local auto parts stores: While Dorman parts are widely available online, they may not be readily available at local auto parts stores, making it necessary to order online or through a distributor.

3. Potential need for additional components: Depending on the condition of the cooling system, additional components, such as a new radiator or water pump, may be required for proper function.

The Dorman 66321GKTW Expansion Plug is a cost-effective and reliable option for replacing the OEM expansion plug on 1982-1989 Buick Skyhawk models. Its wide applicability and compatibility with various vehicle models make it a versatile choice for those in need of a replacement part. However, potential fitment issues and the need for additional components should be considered before making a purchase. Ultimately, the decision to purchase the Dorman 66321GKTW depends on your budget, technical expertise, and the condition of your cooling system.

If you are in need of a replacement expansion plug for your 1982-1989 Buick Skyhawk and are looking for a cost-effective and reliable option, the Dorman 66321GKTW is a solid choice. However, be sure to carefully inspect the cooling system and consider the potential fitment issues before making a purchase. Additionally, ensure that you have the necessary tools and expertise to install the part or plan to have it installed by a professional mechanic.

Details:

12 month warranty fitment notes: vehicle: engine: 1983 - 1989 Buick skyhawk 2.0l 4 Cl, 1982 - 1986 skyhawk 1.8l Cl. 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: 1982–1989
• brand: Dorman
• mpn: 66321gktw
• part type: Plug
• manufacturer warranty: 12 Month Warranty
• notes: Engine Core Plug 4 Required; 42.3 Mm; Package Quantity
• years: 1982 1983 1984 1985 1986 1987 1988 1989
• application: Buick Skyhawk Expansion Plug
• product name 2: Engine Core Plug
• cs-sku: 400

shipping engineblocksam:

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

seller engineblocksam:

• rating: 98.8%
• # reviews: 328836
• city: san fernando, california

payments engineblocksam:

• other
• wallet: paypal
• credit card: visa

returns engineblocksam:

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

offer engineblocksam:

• in stock #: 1
• options: ship-to-home
• availability: in stock
• price: $13.31
• item condition: New
• started: april 18, 2026
• sold #: 9

general engineblocksam:

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