Quick-Reference Repair Parts for
Graco GMax II 7900

Replaces OEM P/N	Bedford P/N	Description / Reference / Notes
Repair Kits
Displacement Pump (Fluid Section)
16X-431	20-3193	Repair Kit with leather & polyethylene packings, ceramic balls
17A-578	20-3198	Repair Kit with leather & polyethylene packings, ceramic balls
249-123	20-2917	Repair Kit with leather & polyethylene packings
Piston Rods
240-919	57-2716	Piston Rod (chrome plated stainless steel)
249-119	- - -	Rod
Cylinders & Sleeves
240-921	57-2531	Sleeve (stainless steel)
249-121	- - -	Sleeve
249-139	- - -	Cylinder
Carbide Ball Seats, Check Valves & Check Balls
Upper Ball Seat (Outlet Seat)
249-177	58-3182	Piston Valve Assembly
107-203	9-2380	Piston Ball, stainless steel
118-601	9-3189	Piston Ball, ceramic
Lower Ball Seat (Intake Seat)
240-918	20-2869	Intake Seat, includes seat, ball & o-ring
107-167	9-2371	Intake Ball, stainless steel
118-601	9-3189	Piston Ball, ceramic
107-098	15-1543	Teflon O-Ring, intake seat
Miscellaneous Fluid Section Repair Parts
107-306	0-2379	O-Ring, between intake housing and cylinder
108-822	15-2248	Teflon O-Ring, at top & bottom of sleeve
108-832	0-2633	Spacer O-Ring, upper packing nut
111-457	15-2861	O-Ring, fluid section outlet
112-590	17-2907	Dust Plug, at upper packing nut
119-677	- - -	Retaining Ring, attach pin
119-636	52-2910	Wiper, piston valve
119-790	0-3093	O-Ring, fluid section outlet
15E-655	- - -	Intake Housing
15E-802	- - -	Fitting, quick disconnect, fluid section outlet
15E-962	- - -	Upper Packing Nut
15F-097	- - -	Attach Pin, at top of rod
15F-183	10-2915	Backup Washer, piston valve
198-505	- - -	Ball Guide, intake
287-446	- - -	Spring, intake ball stop
Dump Valves, Prime/Spray Valves, Pressure Release Valves, and Components
Complete Assembly
245-103	- - -	Drain Valve Assembly, large handle with cap nut on top
Components
114-688	- - -	Cap Nut, drain valve
114-708	- - -	Spring, drain valve, under handle
114-797	- - -	Gasket, drain valve
193-709	- - -	Seat, drain valve
193-710	8-3106	Seal, drain valve
194-102	- - -	Handle, drain valve
Inlet Filters, Suction Hoses/Tubes, Drain Hoses, and Components
For Lo-Boy models:
Complete Assembly
287-541	- - -	LoBoy Suction Kit - inlet & drain hose sets
Components
119-566	- - -	O-Ring, quick connection
189-920	14-2179	Inlet Filter, 1" NPT(f) thread, 8 mesh, stainless steel, single screen
241-920	- - -	Deflector / Diffuser, drain hose
246-331	- - -	Drain Hose Assembly
287-540	- - -	Suction Hose Assembly, 1" NPT
- - - - - - - - - - - - - - - - - - - -
For Hi-Boy models:
118-494	0-2657	O-Ring, intake tube
189-920	14-2179	Inlet Filter, 1" NPT(f) thread, 8 mesh, stainless steel, single screen
241-920	- - -	Deflector / Diffuser, drain hose
244-240	- - -	Drain Hose Assembly
248-215	- - -	Intake Tube, 1" NPT thread
Outlet Filter Assembly, Filter Elements & Components
Complete Assembly
287-517	- - -	Outlet Manifold Filter Assembly with 245-103 valve
Components
117-285	15-2739	O-Ring, fluid outlet filter
15C-765	- - -	Cap, outlet filter
15C-766	- - -	Support / Diffusion Tube, fluid outlet filter
15D-541	- - -	O-Ring, outlet filter plug
15E-284	- - -	Housing, outlet filter
244-067	14-2695	Outlet Filter Element, 60 Mesh, long black plastic frame
244-068	14-2696	Outlet Filter Element, 100 Mesh, long blue plastic frame
244-069	14-2697	Outlet Filter Element, 200 mesh, long red plastic frame
244-071	14-2694	Outlet Filter Element, 30 Mesh, long gray plastic frame
Miscellaneous Parts & Accessories
111-457	15-2861	O-Ring, pressure transducer
243-222	- - -	Pressure Transducer, electronic
287-419	- - -	Pressure Return Hose
287-473	- - -	Connecting Rod
Graco Instruction Manuals
310-893 E	GMax II 3900, 5900, 5900HD 7900 Airless Sprayers
310-894 B	Displacement Pumps GMax II 3900, 5900, 7900
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 06/09/2017. Copyright © 2022 by Bedford Precision Parts LLC

Repair Parts for Graco GMax II 7900 16X-431 16X431 17A-578 17A578 249-123 249123 240-919 240919 249-119 249119Repair Parts for Graco GMax II 7900 240-921 240921 249-121 249121 249-139 249139 249-177 249177 107-203 107203Repair Parts for Graco GMax II 7900 118-601 118601 240-918 240918 107-167 107167 118-601 118601 107-098 107098Repair Parts for Graco GMax II 7900 107-306 107306 108-822 108822 108-832 108832 111-457 111457 112-590 112590Repair Parts for Graco GMax II 7900 119-677 119677 119-636 119636 119-790 119790 15E-655 15E655 15E-802 15E802Repair Parts for Graco GMax II 7900 15E-962 15E962 15F-097 15F097 15F-183 15F183 198-505 198505 287-446 287446Repair Parts for Graco GMax II 7900 245-103 245103 114-688 114688 114-708 114708 114-797 114797 193-709 193709Repair Parts for Graco GMax II 7900 193-710 193710 194-102 194102 287-541 287541 119-566 119566 189-920 189920Repair Parts for Graco GMax II 7900 241-920 241920 246-331 246331 287-540 287540 line1 118-494 118494 189-920Repair Parts for Graco GMax II 7900 189920 241-920 241920 244-240 244240 248-215 248215 287-517 287517 117-285Repair Parts for Graco GMax II 7900 117285 15C-765 15C765 15C-766 15C766 15D-541 15D541 15E-284 15E284 244-067Repair Parts for Graco GMax II 7900 244067 244-068 244068 244-069 244069 244-071 244071 111-457 111457 243-222Repair Parts for Graco GMax II 7900 243222 287-419 287419 287-473 287473 310-893 310893 E 310-894 310894 BRepair Parts for Graco GMax II 7900