Toyota Coaster

1982-05 → 1993-01 · chassis RB2#,BB2#,3#,HB3#,HZB3#,HDB20,3# · catalogue 811120 · Japan

Discontinued model Data version 1993-12

Parts groups Model variants Characteristics Frame ranges Catalogue groups Illustration notes Newest parts Spec codes

Piston Assy, Timer

PNC 22550 · 2 part lines in this catalogue

Drawn on MAD676C — open a drawing to see this group in context.

Part number	Fitment	Period	Status	List price
22550-17010	1HZ 4200CC DIESEL HZB3#	1990-01 → 1991-09	Superseded / ended 1991-09	¥0
22550-17020	1HZ 4200CC DIESEL HZB3#	1991-09 → 1993-01	Superseded / ended 1993-01	¥0

Several lines under one group is normal — they are the variants for different build periods, destinations and specifications. The fitment codes are what separate them.