Disassembled pump internals—springs, pistons, discs, O-ring—on a…

Disassembled hydraulic or fuel pump components laid out on a pink shop towel, including two coil springs, a valve piston, several machined metal discs/plates, a rubber O-ring, a small check ball, and a caged element, with part of an aluminum housing visible at top.

AI caption December 2007 · Photo 1101 of 1819