Parts List Complete for KARCHER K3.540
 

- Commonly Asked For Parts - 252-9987
RefNbr Part Number Description Req Notes
01 273-2128 Trigger gun
02 273-9428 High pressure hose quick connect

Main Housing Assembly-Model 5.971-294.0 - 273-7102
RefNbr Part Number Description Req Notes
1 373-4453 Hose hook spare parts set 1 (includes 2-6)
2 373-4457 O-ring 1
3 273-9564 Hose DN 5 1m (to order as cut goods)
4 273-9565 Handhold chemistry 1
5 173-2924 O-ring 1
6 273-9566 Screw 4x22 6
7a 373-4458 Compact handle 1
8 373-4459 Covering cap set 1
9 273-9672 Fuel tank filler cap 1
10 273-9572 Tank WCM 1
11 173-6219 Hose (sold by the foot) 1m (to order as cut goods)
12 173-7643 Screw 4.1 x 22mm ATF 10
13 273-9573 Accessory holder 1
14a 273-9574 Rear housing mod 1
14b 373-4455 Rear housing replacement 1
15a 273-9673 Wheel replacement set 2
15b 273-9575 Replacement wheel set 1 (set of 2 pieces)
17a 373-4454 Cover 1
17b 373-4456 Cover replacement (black) 1
18 273-9569 90 degree nipple 1
19 273-9570 Clamping bolt 1
20 273-9580 Complete covering cap (silver) 1
21 252-2016 Filter with weight 1
22 273-9567 Holder pistol above 1
23 273-9581 Holder pistol bottom 1
24a 273-9583 Cover (black) 1
24b 273-9582 Cover (yellow) 1
N/S 273-9577 Catch for cable 1
N/S 273-9576 Replacement screen 1 (set of 2 pieces)
N/S 373-4460 Foam cover replacement 1

Pump Housing Assembly-26mm-Model 5.971-294.0 - 273-7103
RefNbr Part Number Description Req Notes
1 273-9675 High-pressure outlet 1
2 183-0340 Screw 4
3 173-7653 Metal fork 2
4 273-9698 Filter cleaning agents 1
6 173-7656 Cleaning agents aspiration 1
7 373-4469 Piston and detergent fitting 1 (includes 6,8)
8a 373-4465 Housing conversion kit 1 (includes 8b)
8b 373-4468 Rubber ring 1
9 173-7659 Foam seal 1
10a 273-9599 Spare parts set cylinder head 1 (includes 9, 11-17)
10b 373-4470 Head complete 1 (includes 9, 11-17)
11a 373-4462 Support ring 3
11b 373-4471 Water sealing spacer 3
12 273-3272 Grooved ring 3
13 373-4472 Inlet valve spring with washer 1 (set consists of 3 valves)
14 373-4473 Outlet valve with spring 1 (set consists of 3 valves)
15 373-4466 Connecting bushing set 1
16 373-4474 Back flow valve 1
17 373-4467 Back flow valve spring set 1
18 373-4475 Venturi nozzle 1
19 273-9421 Coupler with decal 1
20 273-9419 O-ring seal 1
21 373-4476 Suction connection complete 1 (includes 20, 22-23)
22 273-9420 Fine filter 1
23 373-4477 O-ring seal 2
24 273-9676 Bracket pump (bridge) 1
25 273-8517 Connection 1

Cylinder Head Assembly-Model 5.971-294.0 - 273-7104
RefNbr Part Number Description Req Notes
10 373-4461 Head and WCM 1
20 173-7666 Spring 3
50 373-4462 Support ring 3

Head End Assembly-Model 5.971-294.0 - 273-7105
RefNbr Part Number Description Req Notes
238 373-4463 Seals set 3
239 373-4464 Valves set 1
246 173-7665 Cage assembly 1

Thrust Guidance Assembly-Model 5.971-294.0 - 273-7106
RefNbr Part Number Description Req Notes
1 273-7996 Grooved ring 3
2 173-7672 Spacer 1
3 373-4488 Thrust guidance 1
4 373-4489 O-ring seal 1
5 273-9679 Piston complete 3

Piston Guidance Assembly-Model 5.971-294.0 - 273-7107
RefNbr Part Number Description Req Notes
0 373-4491 Piston guidance assembly 1 (includes 1-2, 6-9, 999)
1 373-4488 Thrust guidance 1
2 273-9761 Gasket 1
6 273-7996 Grooved ring 3
7 173-7672 Spacer 1
8 373-4462 Support ring 3
9 373-4490 Viscous oil 1
999 273-9679 Piston complete 3

Motor Assembly-Model 5.971-294.0 - 273-7108
RefNbr Part Number Description Req Notes
1 273-2143 Screw M6 x 20mm 4
2 373-4492 O-ring seal 1
3 373-4493 O-ring replacement 1
4 373-4498 Right hand pump support 1
5 373-4499 Left hand pump support 1
6 373-4494 Left hand damper 1
7 373-4495 Right hand damper 1
8 373-4496 Right hand pump support 1
9 373-4497 Left hand pump support 1

Hand Gun Trigger Assembly-Model 5.971-294.0 - 273-7109
RefNbr Part Number Description Req Notes
0 273-2128 Trigger gun 1 (includes 1)
1 273-2127 Pressure spring 1
2a 273-9428 High pressure hose quick connect 1 (includes 3)
2b 273-2131 Gasket set 1 (includes 3)
3 273-9429 O-ring seal 2

Jet Pipe Assembly-Model 5.971-294.0 - 273-7110
RefNbr Part Number Description Req Notes
1 273-2131 Gasket set 1
2 273-9684 VPS K3 025 1
3 373-4500 Dirt blaster 1

VPS Middle Assembly-Model 5.971-294.0 - 273-7111
RefNbr Part Number Description Req Notes
901 273-2131 Gasket set 1

Electric Box Assembly-Model 5.971-294.0 - 273-7112
RefNbr Part Number Description Req Notes
0a 273-9612 Electric box 1 (includes 2, 5)
0b 373-4501 Electric box replacement 1 (includes 2, 5)
1 273-3324 Capacitor 1
2 173-7691 Cable with plug 1
3 273-9614 Handhold switch 1
4 173-7692 Capacitor joint ring 1
5 173-7693 O ring 1
6 273-9601 Spacer electric box WCM 1

Pump Housing Assembly-22mm-Model 5.971-294.0 - 273-7113
RefNbr Part Number Description Req Notes
1 273-9675 High-pressure outlet 1
2 183-0340 Screw 4
3 173-7653 Metal fork 2
4 273-9698 Filter cleaning agents 1
6a 373-4478 Control housing 1
6b 373-4481 Nipple complete replacement 1
7a 373-4482 Pressure piston 1 (includes 6, 8)
7b 373-4483 Control piston nipple complete replacement 1 (includes 6, 8)
8a 373-4484 Pressure piston manifold 1
8b 373-4485 Manifold complete replacement 1
10a 273-9599 Spare parts set cylinder head 1 (includes 11-12, 16-17, 91)
10b 373-4470 Head complete 1 (includes 11-12, 16-17, 91)
11a 373-4462 Support ring 3
11b 373-4471 Water sealing spacer 3
12 273-3272 Grooved ring 3
16 373-4474 Back flow valve 1
17 373-4467 Back flow valve spring set 1
18a 373-4486 Venturi nozzle 1
18b 373-4487 Venturi nozzle replacement 1
19 273-9421 Coupler with decal 1
20 273-9419 O-ring seal 1
21a 373-4480 Suction connection complete replacement 1 (includes 20, 22-23)
21b 373-4476 Suction connection complete 1 (includes 20, 22-23)
22 273-9420 Fine filter 1
23 373-4477 O-ring seal 2
24 273-9676 Bracket pump (bridge) 1
25 273-8517 Connection 1
91 373-4479 Valves set 1
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