1. Car & Truck Engine Blocks Used-New Parts
  2. sku: 5559910360585502
  3. DORMAN NY75K4

NY75K4 DORMAN Expansion Plug Lynx Mercury

fits model: Lynx. make: Mercury. year: 1987.

NY75K4 DORMAN Expansion Plug Lynx Mercury
Product Aspects
BrandDORMAN
Manufacturer Part NumberNY75K4
Part TypePLUG
Product Warranty12 MONTH WARRANTY
Part InfoENGINE CORE PLUG PACKAGE QUANTITY
Years1987 87
ImportantPLEASE READ ALL NOTES BEFORE MAKING THIS PURCHASE
Cs-sku400

Review DORMAN Expansion Plug For Mercury 1.9l Cyl Vin for MERCURY LYNX 1987

Introducing the Dorman NY75K4 Expansion Plug, specifically designed for the 1987 Mercury Lynx with a 1.9L engine. This essential automotive component is an important part of the cooling system, ensuring optimal engine performance.

The NY75K4 Expansion Plug is meticulously engineered to provide a perfect fit and function in your Mercury Lynx. It is manufactured from high-quality materials, ensuring durability and reliability. Its design closely mirrors the original equipment, allowing seamless integration into your vehicle's cooling system.

This expansion plug features an integral pressure relief valve. This valve is designed to release excess coolant pressure when the engine reaches operating temperature, preventing damage to the cooling system caused by overpressure. The valve's function is crucial, as coolant pressure that is too high can lead to a blown head gasket, a costly repair.

The Dorman NY75K4 Expansion Plug is also leak-free, thanks to its robust O-ring seal. This seal forms a tight bond between the plug and the cooling system, preventing coolant from escaping. A leak in the cooling system can lead to several issues, including engine overheating and damage to other cooling system components.

Installing the Dorman NY75K4 Expansion Plug in your Mercury Lynx is a straightforward process. It is designed to replace the failing or worn-out original component with minimal effort. The plug comes complete with all necessary hardware for a successful installation.

In summary, the Dorman NY75K4 Expansion Plug is a vital replacement part for the cooling system of your 1987 Mercury Lynx 1.9L. It is meticulously engineered to provide a perfect fit, reliability, and leak-free performance, ensuring your engine remains cool and protected.

The Dorman NY75K4 expansion plug is a replacement part designed for the cooling system of a 1.9L Mercury Lynx manufactured in 1987. This part is essential for maintaining the proper functioning of the engine cooling system by allowing the coolant to expand as the temperature rises. Let's discuss the potential advantages and disadvantages of purchasing this part.

Advantages:

1. OEM Equivalent: The Dorman NY75K4 is a direct OEM (Original Equipment Manufacturer) equivalent, ensuring a perfect fit and function.

2. Cost-effective: This aftermarket part is generally more affordable than purchasing an original part from a dealership.

3. Availability: Replacement parts from Dorman are widely available at most auto part stores and online retailers.

Disadvantages:

1. Potential Quality Concerns: Some consumers have reported receiving poor-quality parts, leading to leakages or premature failure.

2. Lack of Long-Term Durability: Since this is an aftermarket part, there may be concerns about its long-term durability compared to an original part.

Conclusion:

The Dorman NY75K4 expansion plug offers a cost-effective and readily available solution for replacing a faulty cooling system component in a 1987 Mercury Lynx. However, it is essential to be aware of potential quality concerns and consider the long-term durability if opting for an aftermarket part.

Recommendation:

If you are in need of an immediate replacement for your cooling system component, the Dorman NY75K4 expansion plug is an excellent option due to its availability and affordability. However, if you prioritize long-term durability and reliability, it may be worth considering investing in an original OEM part from a dealership. Ultimately, the decision depends on your budget, time constraints, and personal preference.

Details:

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. Make model years engine.

Warranty:12 month warranty.

specifications engineblocksam:

  • for models: Lynx
  • for makes: Mercury
  • brand: Dorman
  • mpn: Ny75k4
  • part type: Plug
  • product warranty: 12 Month Warranty
  • part info: Engine Core Plug Package Quantity
  • years: 1987 87
  • important: Please Read All Notes Before Making This Purchase
  • cs-sku: 400

shipping engineblocksam:

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

general engineblocksam:

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

payments engineblocksam:

  • other
  • wallet: google-pay
  • credit card: diners-club

returns engineblocksam:

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

offer engineblocksam:

  • started: june 27, 2025
  • in stock #: 5
  • prices: $14.24–$16.12
  • item condition: New
  • sold #: 16
  • availability: in stock
  • options: ship-to-home

seller engineblocksam:

  • # reviews: 50219
  • rating: 95.4%
  • city: foxboro, massachusetts
rating: 95.4% out of 100 based on 219 user ratings.
Similar Items:
engineblocksam logo
5 offers $14.24–$16.12 USD
  • New. USA Seller
  • New. USA Seller
  • New. USA Seller
  • New. USA Seller
  • New. USA Seller
© engineblocksam.com