Brand 
Continental
Engine Model 
GTSIO-520-D1B
GTSIO-520-D2B
GTSIO-520-D3B
GTSIO-520-D4B
GTSIO-520-D5B
GTSIO-520-D6B
GTSIO-520-D9B
GTSIO-520-D10B
GTSIO-520-D21B
GTSIO-520-D22B
GTSIO-520-D23B
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.