55562989 1.8 Crankshaft for Chevrolet Cruze, Sonic, and Daewoo F18D4 1.8

The Chevrolet/Opel F18D4 Crankshaft (Part Number 55569765) is a forged steel component for 1.8L four-cylinder engines, widely utilized in General Motors (GM) vehicles produced between 2008 and 2018—including the Cruze, Sonic, and Astra. This crankshaft features a stroke of 88.20 mm, a main journal diameter of 54.97 mm, and a connecting rod journal diameter of 43.00 mm.

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Description

Key Technical Specifications (Nominal Dimensions):
Part Number: 55569765 (Interchangeable / Superseded by 55354227, 55562986)
Stroke: 88.20 mm (3.472 inches)
Main Journal Diameter: 54.97 mm
Crankpin (Connecting Rod) Journal Diameter: 43.00 mm
Rear Oil Seal Diameter: 80.00 mm
Front Oil Seal Diameter: 31.50 mm
Number of Main Bearing Cap Bolts: 2
Engine Compatibility: 1.8L Ecotec (2HO, A18XER, B18XER, Z18XER, A18XEL) | Applicable Models: Chevrolet Cruze/Sonic/Orlando; Opel Astra/Vectra/Zafira/Mokka; Alfa Romeo 159