There are a couple different types but this will work on most 81 to 85 TURBO diesel wagons and 82 to 85 coupes and sedans. Part number 1234307429. Compare picture with your existing hose.
This is a high quality aftermarket part. Genuine are no longer available. The main line is the same for all U.S. turbo diesels 1981 to 1985. There may be some variation on the small vacuum rubber hose attach points. Here is the arrangement of the vacuum attach points.
W123 Turbo Diesel Brake Booster Hose Main Vacuum Line -NEW
$49.95
SKU:
DSL-123BSH