Silvan DDP-550 Upper Housing & Pressure Switch Repair Kit (5503-UHA) s.162027 The Imovilli D133 is a

The Imovilli D133 is a professional-grade

Non Lockable Diesel tank lid is a genuine replacement Silvan Lockable Filler cap

quality foam output

Polycarbonate window with crimped ring housing for durability

Simple-to-use pump for performing an oil change

Silvan DDP-550 Upper Housing & Pressure Switch Repair Kit (5503-UHA) s.162027 The Imovilli D133 is aWhen your Silvan DDP 550 pump stops or loses pressure, the upper housing and pressure switch assembly is a common culprit. This repair kit gives you everything needed to restore the pump head and switching function getting your sprayer back on the job without replacing the entire pump. Key Features Part No: 5503 UHA Genuine Silvan replacement part Includes upper housing and pressure switch components Restores correct cut in and cut out pressure