Crankshaft for Chevrolet Cruze Sonic Opel Vectra new 1.6 F16D4 1.8 F18D4 engines
The Chevrolet/Opel F18D4 (General Motors first generation, 1.8-liter) engine uses a crankshaft with a stroke of 88.2 mm, a main journal diameter of 54.97 mm (approximately 55 mm), a connecting rod journal diameter of 43.00 mm, a rear oil seal diameter of 80 mm, and a front oil seal diameter of 31.5 mm.
Description
Stroke: 88.2 mm
Main journal diameter: 54.97 mm (approximately 55 mm)
Crankpin (connecting rod) journal diameter: 43.00 mm (approximately 43 mm)
Rear oil seal diameter: 80.00 mm
Front oil seal diameter: 31.50 mm
Material: QT800-2 cast iron
Flywheel bolts: 6
Applicable Engines:
This crankshaft is used in various General Motors/Opel 1.8-liter engines, including the Z18XER, A18XER, and F18D4, found in vehicles such as the Chevrolet Cruze, Orlando, Trax, and Opel Astra, Vectra, Signum, Insignia, and Mokka.












