The complete cylinder head assembly designed for Haima HM474Q 1.5L naturally aspirated gasoline engines. This aluminum alloy cylinder head features DOHC 16-valve configuration with multi-point fuel injection and variable valve timing (VVT) compatibility, delivering reliable performance for Haima Familia M5, M3, and related compact sedan platforms.

---

Quick Specifications:

• Engine Code: HM474Q / HM474Q-A (Haima Mazda-derived Family)
• Displacement: 1.5 L (1,498 cc)
• Configuration: Inline-4 DOHC 16V, Naturally Aspirated
• Fuel System: Multi-Point Fuel Injection (MPI) + VVT
• Material: Aluminum Alloy
• Valve Configuration: DOHC 16-Valve (4 valves per cylinder)
• Cooling: Water-cooled

---

Performance Data:

• Power Output: 74-82 kW (100-112 HP) @ 6,000 RPM
• Torque: 135-145 Nm @ 4,000-4,500 RPM
• Compression Ratio: 10.0:1 - 10.5:1
• Emission Standard: China IV / China V / Euro 4

---

Complete Assembly Typically Includes:

✅ Cylinder head casting with integrated camshaft bearing bores
✅ Intake and exhaust valves with hardened seats
✅ Valve springs, retainers, and collets
✅ Camshafts (intake/exhaust, supplier-dependent)
✅ Rocker arms / finger followers assembly
✅ Valve stem seals (pre-installed on new assemblies)
✅ Camshaft oil seals and spark plug tube seals
✅ VVT actuator mounting surface (if equipped)
✅ Core plugs and basic hardware

---

Applications:

• Haima Familia M5 (2013-2019, 1.5L HM474Q variants)
• Haima M3 / M6 (1.5L HM474Q variants)
• Haima 2 / Prince (select 1.5L applications)
• Haima S5 / S7 (entry-level 1.5L variants)
• Aftermarket engine rebuild & replacement projects
• Taxi/fleet vehicle maintenance in Chinese domestic market