Piston Kit for Hyundai 1.5 G4FK G4EC-G (23410-26612 / 23410-26613)
Hyundai/Kia’s 1.5L G4FK and G4EC-G engines typically utilize cast aluminum pistons with the following specific dimensions: a compression height of 30.50 mm + 1.10 mm, a total length of 54.60 mm, and a piston pin size of 18.00 mm × 47.50 mm. The standard bore size is 75.5 mm; oversized pistons in increments of 0.50 mm and 1.00 mm are also available. These pistons are generally designed to achieve a compression ratio of 9.0:1.
Description
Piston Assembly Key Specifications:
Piston Type: Cast Aluminum Alloy ZL109
Engine Code: G4EC-G, G4FK (Alpha 2 Series)
Compression Height: 30.50mm + 1.10mm
Total Piston Length: 54.60mm
Piston Pin Dimensions: 18.00mm x 47.50mm
Oversize Options: 0.50mm (0.020″) / 0.75mm (0.030″) / 1.00mm (0.040″)
Compression Ratio: Approx. 9.0:1














