What transmissions fit the D15?

The D15 engine, commonly found in Honda vehicles such as the Civic and CRX, is compatible with several manual and automatic transmissions. Notable manual transmissions include the Honda S20 and S40 series, while automatic options may include the Honda D4 transmission. Compatibility may vary depending on the specific model and year of the vehicle, so it's always advisable to check for specifics regarding the intended application.