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C18NZ cylinder head semi-assembly with OEM 90880028 label – Opel Vauxhall
C18NZ cylinder head semi-assembly front view – Opel Vauxhall Chevrolet 1.8 8V
C18NZ cylinder head exhaust side – Opel Vauxhall 1.8 petrol
C18NZ cylinder head intake side with valves pre-installed
C18NZ cylinder head combustion chamber detail – 1.8L 8V
C18NZ engine code stamp close-up – OEM 90880028
C18NZ cylinder head valve springs and guides pre-installed

Opel C18NZ Complete Cylinder Head 90880028

Brand new C18NZ cylinder head semi-assembly with valves pre-installed.

Precision-manufactured to OEM specifications for Opel, Vauxhall and Chevrolet vehicles powered by the 1.8L 8V petrol engine. This cylinder head includes valves and valve train components – ready to accept your existing camshaft and external parts. Ideal for head replacement, engine repair or rebuild. 12-month warranty.

  • Engine Code: C18NZ (1.8L 8V)
  • Displacement: 1.8 Litre (1796 cc)
  • Configuration: Inline 4-cylinder, SOHC 8-valve
  • Fuel Type: Petrol / Gasoline
  • Condition: New – Cylinder Head Assembly 
  • OEM: Opel 90880028 (cross-reference: 90209850, 5607033, 5607034)
  • Warranty: 12 months
  • Compatible models: Opel Astra F (T92), Kadett E (T85), Vectra A (J89), Vauxhall equivalents, Chevrolet (confirm via OEM number)
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Description

C18NZ Cylinder Head Semi-Assembly – Opel / Vauxhall / Chevrolet 1.8 8V

C18NZ cylinder head semi-assembly for Opel, Vauxhall and Chevrolet 1.8L 8V petrol engines. Brand new, with valves pre-installed. Direct fit for Opel Astra F (T92), Kadett E (T85), Vectra A (J89) and Vauxhall equivalents. OEM 90880028, 90209850, 5607033. 12-month warranty.

As a leading cylinder head manufacturer and wholesale supplier, we deliver OEM-quality engine components to mechanics, rebuilders and parts distributors worldwide. This C18NZ semi-assembly is a direct replacement for the original factory cylinder head, built to exact tolerances and pressure-tested for reliability. Camshaft is supplied separately, allowing you to reuse your existing unit and reduce overall repair cost.

What’s Included

  • Complete cylinder head casting – precision-machined and pressure-tested
  • 8 valves – intake and exhaust, heat-resistant (2 per cylinder)
  • Valve springs, spring seats and retainers
  • Valve stem seals and valve guides (pre-installed)
  • Core plugs and oil gallery plugs (installed)
  • Valve clearances pre-set where applicable

Note: This is a semi-assembly, so the following components are NOT included and must be transferred from your original cylinder head or purchased separately:

  • Camshaft (SOHC)
  • Hydraulic lifters / tappets
  • Camshaft bearing caps and bolts
  • Valve cover / rocker cover
  • Timing belt, tensioner and guides
  • Fuel injectors and ignition coils
  • Intake and exhaust manifolds
  • All external sensors and actuators

Vehicle Compatibility

Fits the following Opel, Vauxhall and Chevrolet models equipped with the C18NZ engine:

  • Opel Astra F (T92) – 1.8 i (1991 – 1998)
  • Opel Astra F Caravan / Sedan – 1.8 i (1991 – 2000)
  • Opel Kadett E (T85) – 1.8 i (1990 – 1991)
  • Opel Vectra A (J89) – 1.8 i / 1.8 i Cat (1988 – 1995)
  • Vauxhall Astra Mk III (F) – 1.8 i (1991 – 1998)
  • Vauxhall Belmont – 1.8 i (select markets)
  • Chevrolet equivalents – Astra, Vectra (select markets)

Always verify your engine code and OEM part number before ordering.

OEM Part Number Cross-Reference

  • Opel / Vauxhall: 90880028
  • GM / Chevrolet: 90209850, 5607033, 5607034
  • Related references: 90880028, 90209850, 5607033, 5607034

Why Buy This C18NZ Cylinder Head Semi-Assembly

  • 100% brand new – not reconditioned or repaired
  • Pressure-tested for leaks and cracks
  • Pre-installed valves save hours of fitting time
  • Reuse your existing camshaft to reduce repair cost
  • 12-month warranty included
  • Packed in a reinforced crate for safe international freight
  • Fast global shipping to port or door

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