Piston Kit for Audi Q7 4.2L (BVJ Engine) — Part No. 07917065DC — Compatible with S5, A6, A8, and Q7 4.2 Models

This piston assembly is suitable for Volkswagen/Audi 4.2L V8 FSI engines (Engine Codes: BVJ, BAR, CAUA). Featuring a standard bore of 84.50 mm and a piston pin diameter of 20 mm, it is specifically designed for 40-valve DOHC engines. This assembly typically comes equipped with piston rings having thicknesses of 1.2 mm (top ring), 1.5 mm (second ring), and 2.0 mm (oil ring).

Description

Piston Assembly Specifications (4.2L V8 FSI/BVJ/BAR/CAUA)
Bore: 84.50 mm (Standard Size)
Piston Diameter: 84.49 mm (Approximate Value)
Piston Pin Diameter: 20 mm
Piston Pin Length: 48 mm
Piston Ring Thickness: 1.2 mm / 1.5 mm / 2.0 mm
Engine Model: 4.2L FSI V8 DOHC 40V
Applicable Models: Audi S5 (2007–2012), A6 C6 (2006–2011), A8 (2008–2013), Q7; Volkswagen Touareg (2007–2010)

Part Type: Standard Size (STD) Piston and Piston Rings
Engine Codes: Primarily includes BAR, BVJ, and CAUA
Material: Designed for FSI (Stratified Fuel Injection) engines, typically manufactured from high-performance cast ZL109 alloy.