Hongguang B15 Cylinder Head Assembly Complete cylinder head assembly for Wuling Hongguang B15 (L2B) 1.5L engines, engineered for optimal performance, durability, and direct replacement compatibility. Technical Specifications
Engine Application Wuling B15 (L2B) 1.5L Inline 4‑Cylinder Naturally Aspirated Gasoline Engine
Displacement 1485cc Compression Ratio 10.5:1
Valvetrain DOHC (Dual Overhead Camshaft), 4 valves per cylinder (2 intake, 2 exhaust), with VVT (Variable Valve Timing) Material High‑pressure cast aluminum alloy (lightweight, excellent thermal conductivity) Emission Standard China V / China VI compliant
Key Feature Dual‑port intake design, optimized for low‑speed torque and fuel economy
Structure & Core Components Cylinder Head Body
One‑piece aluminum casting with integrated coolant jacket, dual‑port intake runners, exhaust ports, combustion chambers, and spark plug mounting holes Optimized coolant flow layout for efficient heat dissipation under continuous operation Precision‑machined sealing surface for reliable sealing with cylinder block and head gasket Reserved mounting positions for camshaft bearing caps, valve components, and hydraulic tappets Valve Train System Intake/exhaust valves made of wear‑resistant alloy, matched with hardened valve seats and guides for extended service life Dual overhead camshafts (intake/exhaust) fixed on bearing caps, driving valves via hydraulic lash adjusters (no manual clearance adjustment required) Valve springs, valve locks, valve stem seals, and spring seats included for stable valve operation
Included Components
Complete valve set (valves, seats, guides, springs, locks, seals) Intake/exhaust camshafts with sprockets Hydraulic tappets and roller rocker arms Valve cover with high‑performance gasket Camshaft position sensor interface Coolant/oil passage plugs and seals Mounting holes for ignition coils and sensors
Technical Advantages
Efficient Heat Dissipation: Aluminum alloy construction + optimized coolant jacket for fast heat removal under continuous operation Improved Intake Efficiency: Dual‑port intake design enhances airflow stability, boosting low‑speed torque and fuel economy Low Maintenance: Hydraulic lash adjusters eliminate manual valve clearance adjustment, reducing maintenance costs High Compatibility: Direct replacement for original B15 cylinder heads; compatible with Wuling’s mainstream electronic fuel injection systems Durability: Strict machining tolerances and high‑grade materials ensure long service life and stable performance
Compatible Vehicle Models
Wuling Hongguang 1.5L Wuling Hongguang S 1.5L Wuling Hongguang S1/Confero S/Formo 1.5L Wuling Rongguang 1.5L Wuling Zhengcheng 1.5L Wuling Victory 1.5L Baojun 730 1.5L Chevrolet N300/N311 1.5L
Quality Assurance
100% leak‑tested for coolant and oil passages before delivery Valve clearance and camshaft alignment inspected to factory standards Compliant with TS16949 quality management system Warranty: 2 years / 60,000 km