In Stock
OEM / REF: 01-3880-99
Pilot Sleeve Assembly 01-3880-99 for Wilden 0.5" Diaphragm PumpShop by brand
Wilden Replacement Parts
Aftermarket replacement parts compatible with Wilden equipment and engines.
16 replacement parts available online
Seal Kits3764Bearing, Gear & Shaft3318Starter Motor2959Air Filter2881Turbocharger & Kit2754Overhaul Kits2278Other Engine Parts2141Water Pump2060Alternator1959Overhaul Gasket1911Injectors & Nozzle1720Fuel Filter1688Transmission Parts1658Hydraulic Pump1637
In Stock
OEM / REF: 02-3840-03
Aftermarket Wilden 02-3840-03 Shaft for 1" Diaphragm Pump Pro-FloIn Stock
OEM / REF: 08-1060-51
Aftermarket Wilden 08-1060-51 Diaphragm for Diaphragm PumpIn Stock
OEM / REF: 02-3880-99
Aftermarket Wilden 02-3880-99 Pilot Sleeve for 1 Pro-Flo Diaphragm PumpIn Stock
OEM / REF: 04-3880-99
Aftermarket Wilden 04-3880-99 Pilot Sleeve for 1.5"-3" Pro-Flo Diaphragm PumpIn Stock
In Stock
OEM / REF: 08-2000-07
Aftermarket Wilden 08-2000-07 Air Valve for 2" Air Operated Diaphragm PumpIn Stock
In Stock
In Stock
OEM / REF: 02-3840-03
Aftermarket Wilden 02-3840-03 Shaft for 1" Diaphragm Pump Pro-FloIn Stock
OEM / REF: 08-3810-03
Aftermarket Wilden 08-3810-03 Shaft for 2 Diaphragm Pump Pro-FloIn Stock
OEM / REF: 04-3811-03
Aftermarket Wilden 04-3811-03 P4 Shaft for 1.5" Diaphragm Pump Pro-FloIn Stock
In Stock
OEM / REF: 01-1010-53
Aftermarket Wilden 01-1010-53 Fluoroelastomer Primary Pump DiaphragmIn Stock
OEM / REF: 02-1010-53
Aftermarket Wilden 02-1010-53 Viton Primary Pump DiaphragmIn Stock
Wilden Replacement Parts
Moz Auto Parts is your trusted source for aftermarket Wilden replacement parts. From electrical and engine components to hydraulics and cab parts, we stock the components that keep your Wilden equipment running — cross-referenced against genuine Wilden part numbers.
Frequently asked questions
Are aftermarket Wilden parts as good as OEM?
Quality aftermarket parts are manufactured to meet or exceed OEM specifications. Moz Auto Parts's Wilden-compatible parts use the same materials, tolerances, and testing standards as original equipment, typically at 30-50% less than dealer prices.
How do I find the right part for my Wilden machine?
Search by your Wilden OEM part number, or browse by equipment type. Our fitment checker confirms compatibility before you buy.