Piston Kit A2010-9Y401 for Nissan J31 Teana 2.3L (VQ23 Engine)

The piston assembly utilized in the Nissan VQ23DE engine (2.3L V6) features a bore of 85.0 mm, a stroke of 69.0 mm, and a compression ratio of 9.8:1. Typically manufactured from ZL109 aluminum alloy, this piston is fitted with two compression rings and one oil ring, and is designed to ensure high durability, lightweight construction, and low-friction operation.

Description

Piston Assembly Key Specifications:
Bore: 85.0 mm
Stroke: 69.0 mm
Compression Ratio: 9.8:1
Piston Material: ZL109 Cast Aluminum Alloy
Piston Ring Dimensions: Standard 85 mm (typically 1.2 × 1.2 × 2.0 mm)
Connecting Rod Length: 149.8 mm
Crankpin Diameter: 45 mm

Key Components of the Piston Assembly:
12010-9Y400 / A2010-9Y401: Common OEM piston part numbers for the VQ23DE engine.
12033-AL501: Common piston ring set part number for VQ23DE/VQ25DE engines with an 85 mm bore.