Mercedes Diesel Engine Hand Primer Pump Operation and Replacement

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Locking extension and ratcheting crows foot coming soon.
Hand primer pumps were used on early diesel 170D 180D 190D 200D as well as W115 Chassis Sedans 220D and 240D. Late W116 Sedans 300SD and all W123 Chassis Sedans, Coupes and Wagons: Mercedes 240D, Mercedes 300D, Mercedes 300CD, Mercedes 300TD plus on the W126 300SD sedan 1981 to 1985.