77.9mm Engine Piston Kit 96389056 for GM Chevrolet Daewoo F14D5 1.4
The standard bore of the Daewoo F14D3 1.4L 16V engine piston assembly (commonly found in Kalos/Aveo models) is 77.90 mm, with a compression height of approximately 31.9 mm, and it is fitted with a 19 mm diameter piston pin. This assembly typically includes piston rings (Top Ring: 1.2 mm; Second Ring: 1.2 mm; Oil Ring: 2.0 mm) and utilizes a compression ratio of 9.5:1.
Description
Piston Assembly Key Specifications (F14D3):
Cylinder Bore Diameter: 77.90 mm
Compression Height: -31.9 mm
Piston Pin Diameter: 19 mm
Piston Pin Length: -55 mm
Total Piston Length: -51.9 mm
Bowl Depth: 1.4 mm
Piston Ring Dimensions: 1.2 mm / 1.2 mm / 2.0 mm
Valve Pocket Depth: ~2.5 mm / 2.6 mm
Important Notes:
Piston Specifications: Although the standard diameter is 77.90 mm, it is essential to verify the piston pin diameter (19 mm or 20 mm) and the compression height, as multiple variant specifications exist.
Engine Codes: While the F14D3 (early models) and F14D4 (later models) may share similar dimensional parameters, they often differ in terms of compression height or piston pin size.
Piston Ring Details: The standard configuration typically consists of: a 1.2 mm top compression ring, a 1.2 mm second compression ring, and a 2.0 mm oil ring.
