Oil Filter, Engine

1 Nut
2 Stud
3 Cap
4 Sealing ring
5 Oil filter housing
6 Thread connection
6a Thread connection
7 Compression spring
8 Bypass valve
9 Valve seat bypass valve
10 Compression spring
11 Thermostat
12 Control valve
15 Compression spring
16 Return flow locking valve
17 Valve seat return flow locking valve
18 Return flow pipe
19 Check valve
20 O-ring
21 O-ring
22 Riser
23 Connection for oil pressure gage (model 116 and 123)
24 Oil filter element bypass filter component
24a Oil filter element main flow filter component
25 Rubber seal
A Uncleaned oil toward air-oil cooler
B Uncleaned oil from air-oil cooler
a From oil pump
b To bearing points
C Finely filtered oil for oil pan
d Oil return flow bore toward oil pan