Pressure washer
SIMPSON MSH3125: OEM hose, gun and lance connections
SIMPSON's MSH3125 parts list (rev. G): the 1/4 in x 25 ft MorFlex hose, the 3,650 PSI M22 gun and the 16 in lance with a 1/4 in QC outlet.
Also listed as MSH3125, 60551, 60551-S
We may earn a commission if you buy through links on this page. How we make money
Short answer
SIMPSON's parts list for the MSH3125 (models 60551 and 60551-S, rev. G) gives the stock hose as a 1/4 in x 25 ft MorFlex rated 3,300 PSI, M22 male x M22 female, the OEM gun as 3,650 PSI and 8 GPM, M22 male x M22 female, and a 16 in lance with an M22 male end and a 1/4 in quick-connect outlet. It does not give the 14 or 15 mm sealing-core size of any M22 end or the machine's own PSI and GPM.
What fits
- Replacement gun (M22)SIMPSON 80148 universal pressure washer spray gun with side assist handle, 4,500 PSI, M22Check price on Amazon
- Replacement wand (M22 to 1/4 in QC)SIMPSON 80479 universal 31 in pressure washer wand, 4,500 PSI, M22 x 1/4 in QCCheck price on Amazon
Key facts
- Power
- Not confirmedThe parts list does not state the power type.
- Maximum PSI and GPM
- Not confirmedThe parts list gives part ratings only, not the machine's output.
- Rated PSI and GPM
- Not confirmedNot in the parts list.
- Pump outlet
- Not confirmedThe IPL gives the hose ends (M22 male x M22 female) but not which one meets the pump.
- Stock hose
- MorFlex 1/4 in x 25 ft, 3,300 PSI, M22 male x M22 female (part 7106419)[1]Gender wording as printed in the IPL; no 14/15 mm size.
- Gun inlet
- OEM gun 7109565: M22 male x M22 female, rated 3,650 PSI and 8 GPM[1]The IPL does not say which end is the inlet.
- Gun to wand
- Lance 7103550 has an M22 male end[1]
- Nozzle connection
- 1/4 in quick-connect outlet on the 16 in lance (7103550)[1]The IPL reads 'LANCE, 16" W/ 1/4 QC AND M22(M)'.
- Supplied nozzles
- Not confirmedNozzle sizes and angles not recorded from the IPL.
- Water supply limits
- Not confirmedNot in the parts list.
- Accessories the maker lists
- OEM parts in the IPL: hose 7106419, gun 7109565, 16 in lance 7103550[1]Ratings apply to these OEM parts only.
- Source and revision
- SIMPSON MSH3125 illustrated parts list, rev. G, models 60551 and 60551-S[1]
- Recalls
- Not confirmedNo recall in the sources read names this model; check CPSC or Health Canada by model and serial number.
- Not confirmed
- Not confirmedMachine PSI and GPM, power type, the 14 or 15 mm sealing core of each M22 end, which hose end meets the pump, nozzle sizes and inlet limits.
Watch out for
- The parts list rates the stock hose at 3,300 PSI and the OEM gun at 3,650 PSI; Cat Pumps notes a high-pressure system is only as strong as its weakest component.
- The IPL gives no 14 or 15 mm sealing-core size for any M22 end; measure the bore of a disconnected, depressurized fitting before buying an adapter.
- The ratings here apply to these OEM parts in rev. G of the parts list only.
What fits
Product details below are the seller's own description unless a source is shown. Pick the variant named for each item.
Replacement gun (M22)
SIMPSON 80148 universal pressure washer spray gun with side assist handle, 4,500 PSI, M22Choose the 80148 gun with the side assist handle and M22 QC hose adapter.
SIMPSON lists an M22 male hose inlet and an M22 female wand outlet, the same genders as the OEM gun, and rates it above the OEM gun's 3,650 PSI. Its M22 bore is not stated.
Replacement wand (M22 to 1/4 in QC)
SIMPSON 80479 universal 31 in pressure washer wand, 4,500 PSI, M22 x 1/4 in QCChoose the 31 in wand.
SIMPSON lists an M22 gun end and a 1/4 in QC nozzle end, like the OEM lance, rated above the OEM gun. It does not state the M22 gender, so compare it with the stock lance's M22 male end.
Questions
What hose comes on the SIMPSON MSH3125?
SIMPSON's parts list (rev. G) gives part 7106419: a 1/4 in x 25 ft MorFlex hose rated 3,300 PSI with M22 male by M22 female ends. See choosing a replacement hose.[1]
How does the MSH3125 lance connect?
The parts list shows a 16 in lance (7103550) with an M22 male end for the gun and a 1/4 in quick-connect outlet for the nozzles.[1]