For your AL-KO T44 axles, the brake assemblies you need are the Dexter Nev-R-Adjust Electric Trailer Brake Kit - 10" - Left and Right Hand Assemblies - 4.4K # K23-478-479 or the manual adjust # K23-462-463-00 along with spoon adjuster # W80630.
The grease seal you want is AL-KO part 568861 which is the Grease Seal - Double Lip - ID 1.719" / OD 2.565" # RG06-050 for a set of 2 seals. view full answer...