Looks light the oiler cooler line connection (that's what your finger is on). Its #22 on this picture below. It actually looks light its not pushed in all the way, but I can't really tell for sure.
![Auto part Line Automotive engine part Diagram Parallel]()
Item Service Part Number Description
1 8K218 Degas bottle
2 8100 Pressure relief cap
3 6010 Cylinder block
4 8675 Thermostat and thermostat housing assembly
5 8501 Coolant pump
6 8597 Coolant bypass tube
7 8A582 Coolant bypass hose
8 6051 Cylinder head gasket
9 6090 Cylinder head
10 8K556 Coolant outlet adapter
11 8592 Coolant outlet connector
12 8B535 Coolant outlet tube
13 18K579 Heater core inlet hose
14 18B539 Heater core
15 18K580 Heater core outlet hose
16 8A506 Coolant inlet connector
17 6B851 Oil cooler inlet hose
18 8260 Upper radiator hose
19 8286 Lower radiator hose
20 8005 Radiator
21 8C012 Air aspirator hose
22 6A642 Oil cooler
23 8C351 Degas bottle-to-engine hose
Item Service Part Number Description
1 8K218 Degas bottle
2 8100 Pressure relief cap
3 6010 Cylinder block
4 8675 Thermostat and thermostat housing assembly
5 8501 Coolant pump
6 8597 Coolant bypass tube
7 8A582 Coolant bypass hose
8 6051 Cylinder head gasket
9 6090 Cylinder head
10 8K556 Coolant outlet adapter
11 8592 Coolant outlet connector
12 8B535 Coolant outlet tube
13 18K579 Heater core inlet hose
14 18B539 Heater core
15 18K580 Heater core outlet hose
16 8A506 Coolant inlet connector
17 6B851 Oil cooler inlet hose
18 8260 Upper radiator hose
19 8286 Lower radiator hose
20 8005 Radiator
21 8C012 Air aspirator hose
22 6A642 Oil cooler
23 8C351 Degas bottle-to-engine hose
