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Repair Parts Home  Lawn Equipment Parts  Karcher Parts  6.365-394.0 Grooved Ring

Grooved Ring

Part Number: 6.365-394.0
Karcher
Availability: 25+ in stock
Price: $4.62
Quantity:
Ships within 1 business day

*This part replaces obsolete part #: and 060-348.

Description:
Genuine Karcher replacement part, this item is sold individually.
This part acts as a seal to keep the oil in the reservoir and the water in the pump form contaminating each other.
It is installed on the piston.
Product Information
Manufacturer: Karcher
Product Number: 6.365-394.0
Classification: Part
Weight: 0.01 lbs.
Also Known As: Seal, High Pressure Seal
Shipping: Ships Worldwide
Related Products
Compatibility

This part is compatible with the following machines:

Karcher

Products Compatibility

This item works with the following types of products:

  • • Pressure Washer
Questions & Answers

No questions have been asked yet
Repair Instructions: Submitted by Customers Like You
4 of 4 people found this instruction helpful
Tool Type:
Pressure Washer
Parts Used:
Grooved Ring - 6.365-394.0
Gasket - 6.362-471.0
Unloader Valve - 4.591-040.0
Repair Difficulty:
Medium
Time Spent Repairing:
1-2 hours
Tools Used:
Screwdriver, Pliers, Socket set, Wrench Set
Pressure pulses
Watched your you tube video and it made the repair straight forward.
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Tool Type:
Pressure Washer
Parts Used:
Grooved Ring - 6.365-394.0
Oil Sealing - 6.365-393.0
Repair Difficulty:
Medium
Time Spent Repairing:
1-2 hours
Tools Used:
Socket set
water leaks from pump
Invert pressure washer and remove four bolts (there's oil in the upper section to lube the bearings)
Split the pump halves and replace the seals.
Reassemble the halves and reinstall the pump to the bottom of the engine (ensure the upper section of the pump is still about 3/4 full of motor oil).
Snug up the four pump bolts.
Turn pressure washer right side up and allow time for the engine oil to drain back into the lower engine.
Connect water hose, pressure wand, and turn on the water.
Start engine (it may smoke a lot for a few minutes) and check for water leaks. Mine dripped some for the first few minutes then stopped after running the washer.
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Tool Type:
Pressure Washer
Parts Used:
Grooved Ring - 6.365-394.0
Pump Check Valve - 4.580-330.0
Pressure Spring - 5.332-391.0
Oil Sealing - 6.365-393.0
Pump Oil - 6.288-050.0
Pressure Check Valve Set - 2.884-916.0
Repair Difficulty:
Medium
Time Spent Repairing:
More than 2 hours
Tools Used:
Screwdriver, Pliers, Socket set, Wrench Set
Pressure washer pressure pulsing very fast with high pressure
1. Purchased all most likely parts likely to cause problem: valves, seals & springs.
2. Disassembled pump. No oil in wobble plate housing - only some water. (Probably piston seal?)
3. Cleaned housings, reused parts with carb cleaner. Added 15-40w oil. Reassembled & installed.
4. Works better than when I bought it, (was rebuilt unit.)
5. I found seals a little tricky to install as they are flared out & you'll probably try to use a screwdriver to install - careful, easy to damage seal.
6.Also, check the spill valve before you remove pump - it can cause erratic (as well as low) pressure.
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Tool Type:
Pressure Washer
Parts Used:
Grooved Ring - 6.365-394.0
Oil Sealing - 6.365-393.0
Unloader Valve - 4.591-040.0
Pressure Check Valve Set - 2.884-916.0
Repair Difficulty:
Easy
Time Spent Repairing:
1-2 hours
Tools Used:
Socket set, Wrench Set
I had fluctuating pressure. It would run fine for several seconds that the pressure would drop significantly.
I rebuilt the pump with the parts you suggested. Be careful with Karcher pumps. If you replace the nozzles with standard big box store nozzles they can cause this surging. That is what I recently did. Make sure you have the correct capacity nozzles before you rebuild a pump.
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Tool Type:
Pressure Washer
Parts Used:
Grooved Ring - 6.365-394.0
Oil Sealing - 6.365-393.0
Repair Difficulty:
Medium
Time Spent Repairing:
30-60 minutes
Tools Used:
Screwdriver, Wrench Set
Water leak
1. Disassemble pump
2. Inspect pieces and parts
3. Found some seals broken and dried
4. Order the parts
5. Clean and put the new spare parts per diagrams and videos
6. ensemble pump per pictures and hand sketches
7. Put new oil pump
8. Test pressure washer
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Discussion
Discussion for Grooved Ring - ( 6.365-394.0 )
Discussion is closed. To ask our experts a question about a part, use the Q&A feature.
Question: Grooved Ring

1504957

what direction does it go in
Question: Grooved Ring/seal

1149332

I've installed new piston seals in my Karcher G2300IB, but I am getting a considerable amount of water coming out of the openings on the pump. It's making good pressure, but it seems like there is too much water leaking from the relief holes on the pump. It even drips water with the engine off and just the supply hose on. Could it be that I installed the seas upside down? I don't see how I could possibly get the seals in there if I have to flip them over. I was nearly impossible to get these to fit as it was. I had to use a heat gun to soften them a little in order to get them to press in good. I installed them with the flat side down, which is how the old ones were installed. Being that they are tapered, I don't think that they would go in there with the taper side first. Any help would be appreciated.
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