Mercedes-Benz W123 Vacuum lines / vacuum door lock pump & actuators
200–300 series (mid-size) · 1976–1986 · Body · #8 most-needed for this chassis
OEM part number
Part number TBDWe haven't verified the OEM number for this part yet, so we don't show one. Use the searches below by name, and confirm the number with your VIN at a dealer or an online parts catalog before buying.
Why owners need it
Chassis-specific known weak point / high-demand repair item
Typical price seen: $10-$200 (USD, from research 2026-10-12; varies by brand and condition).
Search for it
Searches for “Mercedes-Benz W123 Vacuum lines / vacuum door lock pump & actuators”. Results are the vendor's own and may include parts that don't fit; check fitment.
Can't find it? We'll hunt it.
Request a huntWhere this demand comes from
Other most-needed W123 parts
Engine mountsTransmission mountsDriveshaft flex disc (guibo)Driveshaft center support bearingOil cooler hoses (diesel)Glow plugs & glow plug relay (OM617/OM616)Injector fuel return hose (diesel)Rear axle boots / half shaftsRear subframe mountsHeater control valve / climate servoBall jointsSteering idler arm / center link