N12 Cylinder Head Assembly 1.2L DOHC Cast Aluminum Wuling Engine Part

Wuling N12 Cylinder Head Assembly

Product Overview Complete cylinder head assembly for Wuling N12 series 1.2L engines, designed for direct replacement with optimized performance characteristics.

Technical Specifications

Engine Application: Wuling N12 (LSI/LMH/N12A) 1.2L Inline 4-Cylinder Naturally Aspirated Gasoline Engine Displacement: 1206cc Compression Ratio: 10.2:1 Valvetrain: DOHC (Dual Overhead Camshaft), 4 valves per cylinder Material: High-pressure cast aluminum alloy Emission Standard: China V / Euro V compliant Key Feature: Single-port intake design

Core Components & Structure Cylinder Head Body

One-piece aluminum casting with integrated coolant jacket Single-port intake runners and exhaust ports Optimized coolant flow layout with water pump inlet on exhaust side Precision-machined sealing surface for reliable performance Reserved mounting positions for all valve train components Valve Train System Wear-resistant alloy intake/exhaust valves Hardened valve seats and guides for extended service life Dual overhead camshafts with hydraulic lash adjusters Complete valve spring, lock, and seal assembly included No manual valve clearance adjustment required

Included Components

Complete valve set (valves, seats, guides, springs, locks, seals) Intake and exhaust camshafts with sprockets Hydraulic tappets and roller rocker arms Valve cover with high-performance gasket Camshaft position sensor interface Coolant and oil passage plugs and seals Mounting provisions for ignition coils and sensors

Technical Advantages

Efficient Heat Dissipation: Aluminum construction with optimized coolant jacket for superior thermal management Improved Intake Efficiency: Single-port design enhances airflow stability for better low-speed torque and fuel economy Low Maintenance: Hydraulic lash adjusters eliminate manual valve clearance adjustments High Compatibility: Direct replacement for original N12 cylinder heads Enhanced Durability: Precision machining and high-grade materials ensure long service life

Compatible Vehicle Models

Vehicle Model Engine Variant

Wuling Sunshine S 1.2L N12

Wuling Rongguang 1.2L N12/N300/N311

Wuling Hongguang V 1.2L N12 variant

Chevrolet N300/N311 1.2L N12

Quality Assurance

100% leak-tested for coolant and oil passages Valve clearance and camshaft alignment inspected to factory standards Compliant with TS1649 quality management system Warranty Coverage 2 years / 60,000 km - Comprehensive warranty protection for peace of mind.