19861HZYH DORMAN Somerset Expansion Plug Buick

Review DORMAN 1hzyh For Buick Somerset Expansion Plug 3.0l V6 for BUICK 1986–1987

Dorman 19861HZYH Expansion Valve for 1986-1987 Buick Somerset 3.0L V6

The Dorman 19861HZYH is a premium quality expansion valve specifically designed for the 1986-1987 Buick Somerset models equipped with a 3.0L V6 engine. This essential component of your vehicle's cooling system works by controlling the flow of coolant into the engine's cylinder heads, ensuring optimal engine performance and temperature regulation.

Constructed using high-grade materials, the Dorman 19861HZYH expansion valve features a durable, corrosion-resistant housing that withstands the harsh conditions of your engine bay. Its valve seat is precision-machined to ensure a perfect seal, minimizing coolant leakage and preventing potential engine damage.

This expansion valve is a direct replacement for the original component, meaning it fits and functions exactly like the OEM part. Its easy-to-install design requires no modifications to your vehicle, ensuring a hassle-free experience for the DIY enthusiast or professional technician.

Moreover, the Dorman 19861HZYH expansion valve is backed by a comprehensive warranty, offering you peace of mind and protection against manufacturing defects. When you choose Dorman, you're not only investing in a top-quality part but also in the confidence that comes with a trusted brand.

In summary, the Dorman 19861HZYH expansion valve is the perfect solution for maintaining the cooling system and engine performance of your 1986-1987 Buick Somerset 3.0L V6. Its durability, precision engineering, and ease of installation make it an essential addition to your vehicle maintenance toolkit.

The Dorman 19861HZYH is a replacement expansion valve for 1986-1987 Buick Somerset models with a 3.0L V6 engine. Here are some potential pros and cons of buying this part.

1. Cost-effective: The Dorman 19861HZYH is often more affordable compared to original equipment manufacturer (OEM) parts.

2. Good fit: Dorman is known for producing high-quality aftermarket parts that fit well and function similarly to OEM parts.

3. Availability: Aftermarket parts like the Dorman 19861HZYH are often more readily available than OEM parts, reducing the wait time for repairs.

4. Warranty: Dorman offers a 1-year limited warranty on this part, providing peace of mind for consumers.

1. Potential for lower quality: Aftermarket parts may not be as durable or perform as well as OEM parts, although Dorman is known for producing high-quality parts.

2. Lack of OEM certification: The Dorman 19861HZYH is not an OEM part, which may be a concern for some consumers who prefer using OEM parts for their vehicles.

3. Potential for compatibility issues: While Dorman parts generally fit well, there is a small chance that this part may not be compatible with your specific vehicle or engine.

The Dorman 19861HZYH is a cost-effective and reliable option for replacing the expansion valve on a 1986-1987 Buick Somerset with a 3.0L V6 engine. Its good fit and availability make it an attractive choice for many consumers, and its warranty provides peace of mind. However, it is important to note that it is an aftermarket part, and there is a chance that it may not perform as well as an OEM part or have compatibility issues with certain vehicles. Ultimately, the decision to purchase the Dorman 19861HZYH depends on your individual needs, preferences, and budget.

If you are looking for an affordable and reliable replacement for the expansion valve on your 1986-1987 Buick Somerset with a 3.0L V6 engine, the Dorman 19861HZYH is a solid choice. Its good fit, availability, and warranty make it an attractive option for many consumers. However, if you prefer using OEM parts or are concerned about the potential for compatibility issues, it may be worth considering other options. Ultimately, it is important to do your research and consult with a trusted mechanic or repair shop to determine which part is best for your specific vehicle and situation.

Details:

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. Ideal solution - this plug is a reliable replacement for an original part that missing or has failed due to fatigue. 12 month warranty fitment notes: vehicle: engine: 1986 - 1987 Buick somerset 3.0l v6.

specifications engineblocksam:

• for makes: Buick
• for years: 1986–1987
• brand: Dorman
• mpn: 19861hzyh
• part type: Plug
• manufacturer warranty: 12 Month Warranty
• notes: Engine Core Plug 1.50 In.; As Required; Package Quantity
• years: 1986 1987
• application: Buick Somerset Expansion Plug
• product name 2: Engine Core Plug
• cs-sku: 400

seller engineblocksam:

• # reviews: 328971
• rating: 98.8%
• city: romulus, michigan

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• policy: returns accepted
• time: 30 days
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• category: Auto Parts > Car Truck Accessories > Engines > Blocks

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• price: $15.25
• item condition: New
• started: april 18, 2026
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• in stock #: 1
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