The cylinder head with reference number 90280028 is designed for GM Family 1 1.8L inline-4 gasoline engines. This precision-engineered component features aluminum alloy construction with SOHC/DOHC 8-valve or 16-valve configuration (variant-dependent), compatible with Opel Vectra, Chevrolet Blazer, Astra, and Corsa models. The cylinder head delivers reliable sealing, efficient heat dissipation, and durable performance for urban commuting and daily driving.

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Technical Features:

• Reference Number: 90280028
• Type: Cylinder Head (Bare)
• Valve Configuration: SOHC 8V / DOHC 16V (variant-dependent)
• Material: Aluminum Alloy
• Application: GM Family 1 1.8L Gasoline Engine

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Engine Parameters:

• Engine Code: C18NZ / X18XE / Z18XE / 18SV
• Displacement: 1.8 L (1,796 cc)
• Configuration: Inline-4, Naturally Aspirated
• Power Output: 66-92 kW (90-125 HP) @ 5200-5600 RPM
• Torque: 145-170 Nm @ 2800-4000 RPM
• Fuel System: Multi-Point Fuel Injection (MPI)
• Compression Ratio: 9.5:1 - 10.5:1 (variant-dependent)
• Bore × Stroke: 84.8 mm × 79.5 mm
• Firing Order: 1-3-4-2
• Emission Standard: Euro 1 / Euro 2 / Euro 3

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Suitable Models:

• Opel Vectra A / B (1988-2002)
• Opel Astra F / G
• Opel Corsa B / C
• Chevrolet Blazer (Brazilian market, 1.8L variants)
• Chevrolet Corsa / Classic
• Vauxhall Cavalier / Astra