Engine - Specifications, Mechanical: Engine: Pistons

Fig 1: Identifying Piston

Courtesy of VOLVO CARS CORPORATION

Piston dimensions (diameter) nominal per class
-	B6324S, B6324S2	B6304T2
C-marked 1 ........ mm	83.96	81.95
D-marked 1 ........ mm	83.97	81.96
E-marked 1 ........ mm	83.98	81.97
TDC 0.4-marked 1 ........ mm	84.36	82.35
1 Classification is marked on the top of the piston.