JL486ZQ2 1.8L Turbo Engine Cylinder Head Assembly with DOHC 4 Valves Dual VVT
Product Description
486QZQ2 Cylinder Head Assembly
Engine Application & Vehicle Fitment
Specifically designed for JL486ZQ2 1.8L Turbocharged Inline 4-Cylinder Gasoline Engine
Direct fitment for Changan CS75 series vehicles
Product Overview
Material Construction
Aluminum alloy providing lightweight design and excellent thermal conductivity
Valvetrain Configuration
DOHC (Dual Overhead Camshaft) with 4 valves per cylinder (2 intake, 2 exhaust)
Structure & Components
Cylinder Head Body
One-piece aluminum casting featuring integrated coolant jacket, intake and exhaust ports, combustion chamber, and spark plug/injector mounting points. Surface includes anti-slip diamond texture for optimal sealing and assembly precision.
Valve & Drive System
Wear-resistant alloy intake and exhaust valves guided by valve guides and seated on precision valve seats. Dual overhead camshafts (intake/exhaust) mounted on bearing caps, operating valves via hydraulic lash adjusters for maintenance-free operation.
Auxiliary Features
Includes cam phaser mounts for dual VVT (Variable Valve Timing), turbocharger-related piping interfaces, and precision-machined sealing surface for cylinder head gasket installation.
Technical Advantages
Superior heat dissipation through aluminum alloy construction and integrated coolant jacket, ideal for turbocharged engine operation
Optimized gas exchange efficiency with DOHC, 4-valve configuration, and dual VVT system for enhanced power output and fuel economy
Engineered specifically for 1.8T turbo engines with compatibility for both multi-point injection and direct fuel injection systems