This latest production BOSCH 0 265 200 040 found in 1992+ model years features a fundamental internal solenoid engineering overhaul. The solenoid traveler valve is upgraded and made in polished chromoly steel. The larger traveler has more magnetically reactive mass and this revised design allows for moving the return spring inboard and nearly tripling in size over its predecessor design. The larger spring returns the valve to rest faster and nearly eliminates the possibility of sludge blocking the springs movements. Finally the plastic caged internal bearings present in the earlier design have been completely eliminated as the revised design does not need or benefit from them, providing one less failure point. The solenoids on this pump are specific to the 040 Super series of pumps. The upper manifold plate has lost the bosses for top facing ports found on other models and now sports a sleek upper top plate. The primary difference between the late 040 and the mid 040 is the addition of cosmetic sleeves made of aluminum that cover the solenoid frames. The sleeves are often not salvageable from core pumps due to galvanic corrosion and as such they do carry a modest premium over non sleeved pumps. The cover shroud and chassis wiring hold down are secured with T15 Torx screws
