The ornamental design for a wheelendcoupler, as shown and described.
FIG. 1 is a perspective view of our wheel end coupler:
FIG. 2 is a front elevation of the wheel end coupler in FIG. 1;
FIG. 3 is a rear elevation of the wheel end coupler in FIG. 1;
FIG. 4 is a left side elevation of the wheel end coupler in FIG. 1;
FIG. 5 is a right side elevation of the wheel end coupler in FIG. 1;
FIG. 6 is a bottom plan view of the wheel end coupler in FIG. 1; and,
FIG. 7 is a top plan view of the wheel end coupler in FIG. l.
The broken line showing of portions of the wheel end coupler is included for the purpose of illustrating environment and forms no part of the claimed design.