Quick-Reference Repair Parts for
Graco GMx 3900

Replaces OEM P/N	Bedford P/N	Description / Reference / Notes
Repair Kits
Displacement Pump (Fluid Section)
239-928	- - -	Replaced by 248-212
244-196	- - -	Replaced by 248-212
248-212	20-2662	Repair Kit with Leather & Polyethylene Packings
Piston Rods
240-518	57-2670	Piston Rod (chrome plated stainless steel)
244-216	- - -	Piston Rod (carbon steel - use alternate P/N 240-518)
248-206	57-2670	Piston Rod (chrome plated stainless steel - use alternate P/N 240-518)
Cylinders & Sleeves
For Fluid Section Model: 239-923
240-521	57-2273	Sleeve (stainless steel)
240-522	- - -	Cylinder, fluid outlet housing (outer casing for sleeve)
For Fluid Section Model: 244-197
240-521	57-2273	Sleeve (stainless steel)
243-346	57-3479	Cylinder, fluid outlet housing (outer casing for sleeve)
Carbide Ball Seats, Check Valves & Check Balls
Upper Ball Seat (Outlet Seat)
239-932	58-2564	Piston Valve (Stainless Steel Housing)
287-877	58-3178	Piston Valve (Plated Steel Housing)
105-444	9-140	Piston Ball (stainless steel)
Lower Ball Seat (Intake Seat)
239-922	20-2673	Intake Seat Kit, 15/16" diameter (includes seat, ball & o-ring)
105-445	9-183	Intake Ball (stainless steel)
Miscellaneous Fluid Section Repair Parts
For All Fluid Sections:
107-079	15-2278	Teflon O-Ring, intake seat
108-526	15-1498	Teflon O-Ring, at top of sleeve & on top of intake valve
114-054	0-2284	O-Ring, bottom of cylinder
179-810	17-2422	Dust Plug, upper packing nut
192-624	- - -	Ball Guide, intake
193-046	- - -	Upper Packing Nut & Wet Cup
For Fluid Section Model: 239-923
192-724	- - -	Intake Valve Housing
For Fluid Section Model: 244-197
243-344	- - -	Intake Valve Housing
Graco Instruction Manuals
308-798	Displacement Pumps
309-277 T	Displacement Pumps
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 08/11/2016. Copyright © 2022 by Bedford Precision Parts LLC

Repair Parts for Graco GMx 3900 239-928 239928 244-196 244196 248-212 248212 240-518 240518 244-216 244216Repair Parts for Graco GMx 3900 248-206 248206 240-521 240521 240-522 240522 240-521 240521 243-346 243346Repair Parts for Graco GMx 3900 239-932 239932 287-877 287877 105-444 105444 239-922 239922 105-445 105445Repair Parts for Graco GMx 3900 107-079 107079 108-526 108526 114-054 114054 179-810 179810 192-624 192624Repair Parts for Graco GMx 3900 193-046 193046 192-724 192724 243-344 243344 308-798 308798 309-277 309277Repair Parts for Graco GMx 3900 T