This dipstick fits the following reversing couplings.

KM3A(1), KM4A, KM4A1, KMH4A

For the O-ring you can order article number 24311-000180.

This dipstick seal fits the following gearboxes:

KM2P, KM2P-1, KM2A, KM2C, KM3P, KM3-A, KM3A(1), KM3V, KM35P, KM35A, KM4A, KM4A1, KM4A2, KM5A, KMH4A, KMH40A/41A, KMH50A/51A, KMH50V/51V, KMH52V, KMH6A(1), KMH60A, KMH61A, KMH61V