Quick-Reference Repair Parts for
HERO 1100 MD

Replaces OEM P/N	Bedford P/N	Description / Reference / Notes
Repair Kits
Fluid Section
4-6654	20-1723	Outgo Repair Kit
4-6655	20-1724	Outgo Overhaul Kit (Repair Kit with Seat)
4-6658	- - -	Intake Repair Kit (o-ring under seat)
4-6658B	- - -	Intake Repair Kit (copper gasket under seat)
4-6659	- - -	Intake Overhaul Kit (o-ring under seat)
4-6659B	- - -	Intake Overhaul Kit, includes seat (copper gasket under seat)
Hydraulic Section
4-04-22-4500	- - -	Hydrapulse Membrane, diaphragm (Lifetime Warranty)
4-27CRK	- - -	Hydraulic Repair Kit
Intake Section Repair Parts
02-22-2001	- - -	Ball Stop
02-22-2002	- - -	Ball Guide
02-22-2005	- - -	Spring
02-22-2006	0-2003	O-Ring, urethane
02-22-2009B	- - -	Crush Washer
4-02-22-2501	- - -	Head, Hydrapulse Gold
4-02-22-2502	- - -	Endcap, Hydrapulse Gold (o-ring under seat)
4-02-22-2502B	- - -	Endcap, Hydraulse Gold (copper gasket under seat)
5V	0-1589	O-Ring, Viton
6	58-1645	Seat, 3/4", Carbide
17S	9-1595	Ball, 3/4", Corrsion Resistant
Outgo Section Repair Parts
4-11A	- - -	Outgo Valve (Complete)
7C	10-1590	Copper Crush Washer
11A-1	- - -	Lower Valve Body
11A-2	- - -	Upper Valve Body
11A-3CP	10-1591	Copper Crush Washer
11A-4	58-1670	Seat, 3/8", Carbide
11A-5	9-1592	Ball, 3/8", Nylon
11A-6	17-1705	Cage
11A-7	23-1600	Spring
Hydraulic Section Repair Parts
4-04-22-4500	- - -	Hydrapulse Membrane, diaphragm (Lifetime Warranty)
4-37A/100	- - -	Seal Set, Piston, 7/8"
4-38A-2	- - -	Rod, piston
4-38A/100-1	- - -	Piston, 7/8"
4-38A/100-1	- - -	Piston, 7/8"
5	0-1588	O-Ring
38A-3	- - -	Seat, piston
Miscellaneous Parts & Accessories
3-WHIPEND	13-792	3/16" x 3' Airless Hose Assembly
4-1/75-14	- - -	Intake Hose Tube Assembly
114	13-932	1/4" x 50' Airless Hose Assembly
115	13-931	1/4" x 25' Airless Hose Assembly
117	13-453	3/8" x 50' Airless Hose Assembly
Click Pictures to Enlarge = = = = = = = = = = = = = = = =
Before ordering any repair parts or attempting any maintenance, carefully read all instructions and warnings and verify part numbers required as specified in the OEM manuals that came with your particular unit. This reference was generated on 01/02/2022.  Part numbers on this reference were last modified on 01/07/2003. Copyright © 2022 by Bedford Precision Parts LLC

Repair Parts for HERO 1100 MD 4-6654 46654 4-6655 46655 4-6658 46658 4-6658B 46658B 4-6659 46659 4-6659BRepair Parts for HERO 1100 MD 46659B 4-04-22-4500 404224500 4-27CRK 427CRK 02-22-2001 02222001 02-22-2002Repair Parts for HERO 1100 MD 02222002 02-22-2005 02222005 02-22-2006 02222006 02-22-2009B 02222009BRepair Parts for HERO 1100 MD 4-02-22-2501 402222501 4-02-22-2502 402222502 4-02-22-2502B 402222502BRepair Parts for HERO 1100 MD 5V 6 17S 4-11A 411A 7C 11A-1 11A1 11A-2 11A2 11A-3CP 11A3CP 11A-4 11A4Repair Parts for HERO 1100 MD 11A-5 11A5 11A-6 11A6 11A-7 11A7 4-04-22-4500 404224500 4-37A/100 437A/100Repair Parts for HERO 1100 MD 4-38A-2 438A2 4-38A/100-1 438A/1001 4-38A/100-1 438A/1001 5 38A-3 38A3Repair Parts for HERO 1100 MD 3-WHIPEND 3WHIPEND 4-1/75-14 41/7514 114 115 117