The cylinder head with reference numbers 1685778, 1850526, 4AV6Q6C032AA, and 908733 is designed for Ford Duratorq 1.4L and 1.6L TDCI diesel engines with engine codes AEDA, TEDA, and related variants. This aluminum alloy cylinder head features DOHC 16-valve configuration with high-pressure common rail compatibility, delivering reliable performance for Ford Focus, Fiesta, Fusion, and related compact vehicle platforms.

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Quick Specifications:

• Part Numbers: 1685778 / 1850526 / 4AV6Q6C032AA / 908733 (Ford OEM format)
• Engine Codes: AEDA / TEDA / DLD-414 / DLD-416 (Duratorq TDCI family)
• Displacement: 1.4 L (1,398 cc) / 1.6 L (1,560 cc)
• Configuration: Inline-4 DOHC 16V, Turbocharged & Intercooled
• Fuel System: Common Rail Direct Injection (TDCI)
• Material: Aluminum Alloy
• Valve Configuration: DOHC 16-Valve (4 valves per cylinder)

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Performance Data:

• Power Output:
  • 1.4 TDCI: 50-68 kW (68-92 HP) @ 4,000 RPM
  • 1.6 TDCI: 66-80 kW (90-109 HP) @ 4,000 RPM
• Torque:
  • 1.4 TDCI: 160-205 Nm @ 1,750-2,000 RPM
  • 1.6 TDCI: 215-240 Nm @ 1,750-2,000 RPM
• Compression Ratio: 16.0:1 - 17.0:1
• Emission Standard: Euro 4 / Euro 5

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Applications:

• Ford Fiesta MK6 / MK7 (2002-2017, 1.4/1.6 TDCI variants)
• Ford Focus MK2 / MK2.5 (2004-2011, 1.6 TDCI variants)
• Ford Fusion / C-MAX (1.4/1.6 TDCI variants)
• Ford Transit Connect (select 1.6 TDCI applications)
• Mazda 2 / Mazda 3 (DLD-414/DLD-416 sourced variants)
• Volvo C30 / S40 / V50 (1.6D variants, DLD-416 based)