Brand 
Continental
Engine Model 
TSIO-520-CE
TSIO-520-UB1B
TSIO-520-UB2B
TSIO-520-UB3B
TSIO-520-UB4B
TCM NOZZLE 632748-17B
TCM NOZZLE 632748-17B
Footnotes 

This listing is for reference only.  For specific application information, or if there is any doubt about an application, refer to the aircraft equipment list or contact the engine manufacturer.

The application should be verified by type certificate data, as many engine models may use more than one P/N in different airframe installations.

Representative image only, actual item features may vary.