O RING Housing to Timing Case

THO = Made in Japan

For 1W + W04 + W06 series engines :-
2 x required per engine

For N04 series engines :-
Truck spec up to ->10/2006 , 2 x 23AFM0862 O ring

Coaster spec up to ->8/2009, 2 x 23AFM0862 O ring

Truck spec from 10/2006->2/2010 , 2 x 23AFM0862 oring
Truck spec from 10/2006->2/2010 , 3 x 23AFM0521 oring

Coaster spec from 8/2009->2/2010 , 2 x 23AFM0862 oring
Coaster spec from 8/2009->2/2010 , 3 x 23AFM0521 oring

All specs from 2/2010->8/2019 3 x 23AFM0522 (3 x to timing case)
All specs from 2/2010->8/2019 , 3 x 23AFM0862 (1 x to timing case + 2 x to cylinder head)

All specs from 9/2019-> on 3 x 23AFM0522 (3 x to cylinder head)
All specs from 9/2019-> on , 1 x 23AFH3150 long gasket + 1 x 23AFH3151 Short gasket (to timing case)