Description Reviews Q&A JD 8430 -8850 4WD WINDOW SEAL KIT - REAR WINDOW Fits tractor models: 8430 (1975-78), 8630 (1975-78), 8440, 8640, 8450, 8650, 8850 Kit includes pre-mitered and jointed seals complete with self-adhesive backing and/or clip on edge trim.