Some clever Part Seller sell the Fuel Supply/Lift Pump with the Hand Primer Pump already mounted on it and if you look under Hand Primer you will find the whole thing at something like $165 each.

But, the Hand Primer is actually a seperate part and of course can be replaced as a seperate Part; they used to be aroung $22 each but I have not priced them lately.

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84 300D, 82 Volvo 244Gl Diesel