A2010-JN00A Engine Piston Assembly for Nissan Teana 2.5L V6 VQ25DE (85mm)
The piston assembly for the Nissan VQ25 engine typically features an 85.0 mm bore and a 73.3 mm stroke, with a compression ratio ranging from 9.8:1 to 10.3:1; it is commonly utilized in VQ25DE models. These pistons are manufactured from ZL109 cast aluminum alloy, and their durability has been optimized through the incorporation of a 20 mm piston pin and a three-piece oil ring design.
Description
Piston Assembly Key Specifications:
Bore: Standard size is 85.0 mm (3.346 in).
Stroke: 73.3 mm (2.886 in).
Compression Ratio: 9.5:1 – 10.3:1 (depending on specific vehicle model and fuel type).
Piston Material: ZL109 Cast Aluminum Alloy.
Piston Pin Diameter: 20 mm.
Piston Ring Thickness: Typical configuration includes a 1.2 mm top ring, a 1.5 mm second ring, and a 2.5 mm oil ring.
Engine Type: 6-Cylinder Gasoline Engine (V6).
Common Applications:
Engine Models: VQ25DE, VQ25DD.
Applicable Vehicles: Nissan Cefiro (A32/A33), Nissan Fuga (Y50), Nissan Elgrand (E51), Nissan Teana (J32).














