DJ Rock HGS618 Engine Cylinder Head Gasket Set

Premium Head Gasket Set for Top-End Service

DJ Rock HGS618 is a premium engine cylinder head gasket set for complete top-end engine service and cylinder head replacement. It is built to maintain combustion sealing while helping prevent oil, coolant, and gas leaks in the 1995-1998 Mercury Villager and 1995-1998 Nissan Quest.

With an 87 mm cylinder bore diameter and premium-grade sealing materials, this set supports accurate reassembly on the 3.0L V6 applications used in these vehicles. The HGS618 is a direct-fit sealing solution for Mercury Villager and Nissan Quest owners performing head gasket repair.

Key Features

• Premium grade engine cylinder head gasket set
• 87 mm cylinder bore diameter
• Engineered for cylinder head replacement and top-end engine service
• Includes sealing components for intake, exhaust, valve cover, and related engine interfaces
• Uses non-asbestos materials and OEM-quality construction standards
• Fits 1995-1998 Mercury Villager and 1995-1998 Nissan Quest
• Part number HGS618 for catalog and cross-reference use

Detailed Description

DJ Rock HGS618 is designed for engines that need a complete upper-engine reseal after head removal. The set addresses the critical sealing points between the cylinder head and engine block, along with related gaskets and seals used during reassembly. Material selection includes modern sealing compounds suited for heat, oil, coolant, and combustion pressure management. This part cross-references 21009 for the same application.

For buyers searching for a head gasket set for 1995-1998 Nissan Quest or a cylinder head gasket set for 1995-1998 Mercury Villager, HGS618 provides the correct fitment coverage listed here. It is also a practical choice when replacing gaskets during engine teardown on these vehicles.

What It Helps Fix

• Combustion pressure loss from a failed head gasket
• Coolant leakage into the engine or externally at sealing surfaces
• Engine oil leaks from upper-engine gasket interfaces
• Intake or exhaust sealing issues after cylinder head service
• Valve cover and related top-end seepage during engine repair

Installation Notes and Tips

Clean all mating surfaces thoroughly before installation and inspect the cylinder head and block for warpage or damage. Follow the factory torque sequence and torque specifications for the engine, and replace torque-to-yield head bolts rather than reusing them. Verify all sealing surfaces, cam seals, valve stem seals, and intake/exhaust interfaces before final assembly.

Quality Assurance

DJ Rock HGS618 is built as a premium sealing set using non-asbestos materials and construction intended to meet or exceed OEM quality standards. It is manufactured for dependable sealing performance in the listed Mercury Villager and Nissan Quest applications.