The Graco Mark XV XT ProContractor (ref. 18H405) is the 220–240 V version of the most powerful portable electric airless sprayer in Graco’s XT range. Built for demanding job sites and high flow rates, it features a reinforced displacement pump, a high-power motor, and the Smart Control XT electronic control system with digital display.

To help you maintain and repair your machine, we have compiled below all the exploded-view diagrams and manufacturer part references from the official Graco manual X011699 revision D, keeping only the variants that correspond to model 18H405. Each part name is clickable and takes you directly to the corresponding reference in our shop.

Spare parts for the lower pump section (Mark XV XT Pro – 2015687)

The lower pump section 2015687 is fitted on the Graco Mark XV XT Pro. Below you’ll find the exploded-view diagram of the lower pump section along with the complete list of spare parts, their Graco manufacturer reference, and a direct link to our shop.

Exploded view of the lower pump section – model 2015686 & 2015687

Exploded view of the lower pump section – model 2015686 & 2015687

If you would like to check the original Graco diagram, you can find the PDF document at the following link: Graco assembly diagram for 2015687

Note: if the table does not display correctly on your smartphone, we recommend rotating your screen or swiping your finger across the rows inside the table.

Pos. Part number Part name & product link
1 112590 Packing nut seal (throat)
2 16X768 Packing nut
3 17H840 Packing repair kit – stainless steel balls
3 17H848 Packing repair kit – ceramic balls
5 Pump cylinder (reference not specified in the manual)
6 124249 Piston valve ball (ceramic)
7 160325 Sealing O-ring
10 249177 Piston valve
12 24N013 Carbide seat kit (includes items 14, 27 and 33)
13 15A303 Intake valve (foot valve)
14 17R046 Intake valve ball
15 193391 Ball guide
20 248979 Cylinder liner
21 108822 PTFE O-ring
22 2001545 Piston rod
27 107098 PTFE O-ring
28 156593 O-ring
33 24E027 Intake spring
34 17E793 FX90 O-ring
35 24U755 Pump outlet check valve kit

Complete repair kit

For a full overhaul of the 2015687 lower pump section, Graco recommends the 17H844 repair kit (ceramic balls).

Good to know

  • Items 4, 8, 18, 19, 23, 24, 29, 31 and 32 (packings, packing glands, and seals) do not have an individual reference for this model: they are supplied in the packing kit under item 3.
  • Only two parts distinguish the 2015687 (Pro) from the 2015686 (Standard): the cylinder liner (item 20) and the piston rod (item 22).
  • Torque for the intake valve on the cylinder: 200 ± 15 ft-lb (approx. 271 N·m).
  • Torque for the packing nut: 140 ± 10 in-lb (15.8 ± 1.1 N·m).
  • Maximum working pressure of the XT lower pump section: 227 bar (22.7 MPa).
  • Before any servicing, always follow the pressure relief procedure described in the Graco manual.

Diagram and spare parts for the chassis, motor, and pump

Exploded view of the Graco Mark XV XT ProContractor (figure 14-6 of manual X011699)

Exploded view of the Graco Mark XV XT ProContractor (figure 14-6 of manual X011699)

Exploded view of the drive housing and motor of the Graco Mark XV XT ProContractor 18h405

Enlarged view of the drive housing and motor (figure 14-5 of manual X011699)

If you would like to check the original Graco diagram, you can find the PDF document at the following link: Graco assembly diagram for 18H405

Note: if the table does not display correctly on your smartphone, we recommend rotating your screen or swiping your finger across the rows inside the table.

Pos.

Part number

Part name & product link

Qty

1 2015797 Chassis, includes 45 1
2 2015798 Drive housing, includes 10, 14 1
3 2015799 Bearing housing, includes 11, 12, 30, 31, 32, 33, 44, 99 1
4 2014411 Motor, includes 7, 8, 9, 47, 102 1
5 2015686 Displacement pump 1
6 19D664 XT chassis, 1095 / Mark V / Mark VII 1
7 2015800 Amplifier board 1
8 19C928 Head screw 2
9 119426 Machine screw, hex head with washer 2
10 15C753 Machine screw, hex head with washer 5
11 106115 Lock washer 4
12 17E789 Head screw, 3/8 x 2.25 2
13 2015801 Connecting rod 1
14 15E767 Thrust washer 1
15 116192 Flat washer 2
16 116038 Wave washer 2
17 17E687 Tire 2
18 15E891 Retaining clip 2
19 276974 Leg cap 2
30 16C457 Bucket hook 1
31 111040 Lock nut, nylon insert 2
32 16X203 Drain hose clip 1
33 118444 Machine screw, slotted hex washer head 1
34 15C982 Cart cam 2
35 114531 Machine screw, hex head with washer 4
36 2011960 12 V fan 1
37 19D924 Fan guard 1
38 117683 Cap screw 4
39 19D921 XT universal kickstand bracket 1
40 2015807 Motor shroud, bottom, includes 48, 59 1
41 2015808 Motor shroud, top, includes 46, 59 1
43 2015809 Front cover, includes 46 1
44 2011760 Pump rod cover 1
45 111801 Hex head screw 4
46 2001659 Machine screw, slotted hex washer head 6
47 2012691 Amplifier cable 1
48 116752 Toggle switch 1
51 19B596 Encoder harness 1
52 20B342 XT drain hose 1
53 241920 Threaded deflector 1
54 25V146 Hose reel 1
55 109032 Machine screw 4
59 19D307 Machine screw, torx pan head 2
65 2004023 Pump fitting, Mark V / Mark VII models 1
70 2003297 Coupled hose 1
71 2015813 Control board 1
72 2003269 Ground starter, includes 76, 101 (rest of the world) 1
73 2003259 Power cord, includes 74, 75 1
74 20B466 Power cord stop 1
75 2003004 Self-tapping torx machine screw 2
76 2003504 Machine screw, serrated hex head 1
79 20B133 Control separator 1
81 189920 Strainer 1
91 278499 Coupled hose 1/2 in. x 50 ft. 1
97 191239 Flexible hose 3/8 in. x 11 ft. 1
98 2015293 Safety label, warning 1
99 20B730 Head screw, sch. 3/8 x 4.0, stainless steel 2
101 100718 Washer 1
102 2001766 Safety label, moving parts warning 1
103 2002230 Formed tube 1
104 102982 O-ring 1
105 2015296 Brand label, front 1
106 2015295 Brand label, side 1
107 2002410 Brand label, Xtreme / XT torque 1
108 19D677 Brand label, QR, XT 1
109 16D576 Brand label, made in USA 1
110 2002717 Braided ground harness (230 V AC models) 1
111 119791 Machine screw, hex head with washer (230 V AC models) 1
112 114391 Ground screw (230 V AC models) 1
113 119236 Screw (230 V AC models) 2
121 2005199 No. 10 screw, 5 in. 2
122 120339 Flat washer 2
400 2009285 Handle kit 1
401 2009287 Swivel fitting kit for hose reel 1

Filter housing spare parts

The primary filter is the most heavily used wear part on the Mark XV. As standard, the 18H405 is fitted with a 60 mesh filter (ref. 244067); 30, 100, and 200 mesh filters are also available depending on the finish quality required and the viscosity of the material being applied.

Exploded view of the filter housing of the Graco Mark XV XT ProContractor 18h405

Exploded view of the filter housing of the Graco Mark XV XT ProContractor 18h405

Note: if the table does not display correctly on your smartphone, we recommend rotating your screen or swiping your finger across the rows inside the table.

Pos.

Part number

Part name & product link

Qty

20 19D919 Filter base, XT 1
21 120091 Screw 3
22 24B156 Prime valve, heavy duty 1
23 15C972 Spring pin 1
24 24A382 Valve base, heavy duty 1
25 24E234 Prime valve handle, heavy duty 1
26 244067 60 mesh filter kit (original equipment) 1
26 244068 100 mesh filter kit 1
26 244069 200 mesh filter kit 1
26 244071 30 mesh filter kit 1
27 2003271 Diffuser tube, includes 29 1
29 117285 Gland, O-ring 1
56 2003348 Pressure control transducer, includes 57 and 19C988 1
57 111457 Gland, O-ring 1
69 122533 3/8 npt elbow fitting, Mark IV / Mark V / Mark VII models 1
77 2003280 Nipple adapter, includes 84 — ProContractor models 1
78 2005277 1/2 in. plug, Mark VII / Mark XV models 1
84 107505 Gland, O-ring 2
123 2003279 Fluid filter outlet kit, Mark VII / Mark XV ProContractor models 1

The Graco manual also lists a filter cap (qty 1) at item 27, with no associated part number. For the 3/8 npt elbow fitting (item 69), the manual only lists the variants for 695/795/1095 (20B233) and Mark IV/Mark V/Mark VII (122533): please contact us for confirmation before ordering.

Digital display spare parts

The 18H405 is equipped with the Smart Control XT module with BlueLink connectivity (ref. 20B432).

Exploded view of the digital display of the Graco Mark XV XT ProContractor 18h405

Exploded view of the digital display (figure 14-13 of manual X011699)

Note: if the table does not display correctly on your smartphone, we recommend rotating your screen or swiping your finger across the rows inside the table.

Pos.

Part number

Part name & product link

Qty

42 2015817 Side motor shroud, includes 49, 59, 64 — Mark XV / Mark HP 1
49 19C988 Transducer grommet 1
58 20B432 Display module, includes 59 — ProContractor / BlueLink, Smart Control XT 1
59 19D307 Machine screw, torx pan head 5
60 2003350 Potentiometer assembly 1
61 15C973 Seal 1
62 19C986 Potentiometer knob 1
63 19C527 Display harness 1
64 19C998 Brand label, control 1
83 19D678 Control label 1

Gun and hose spare parts

The Mark XV runs on 1/2 inch: a 15 m (50 ft) main hose in 1/2 in. and a 3.35 m (11 ft) whip hose in 3/8 in. Do not replace these hoses with smaller-diameter sections, as the pressure drop would cancel out the 10.6 l/min (2.8 gpm) flow rate.

Exploded view of the gun/hose of the Graco Mark XV XT ProContractor 18h405

Exploded view of the spray gun and hoses

Note: if the table does not display correctly on your smartphone, we recommend rotating your screen or swiping your finger across the rows inside the table.

Pos.

Part number

Part name & product link

Qty

91 278499 Coupled hose 1/2 in. x 15 m, Mark VII / Mark XV 1
94 245820 Spray gun, Mark VII / Mark XV 1
97 191239 Flexible hose 3/8 in. x 11 ft., Mark VII / Mark XV 1
200 189018 Swivel fitting, Mark V / Mark VII / Mark XV 1
201 159239 Sleeve, Mark VII / Mark XV 1

Power cord spare parts

Manual X011699 lists around fifteen power cords depending on voltage and destination country. For the 18H405 (220–240 V), only one reference applies: 2003259.

Exploded view of the power cord of the Graco Mark XV XT ProContractor 18h405

Exploded view of the power cord and ground assembly (230 V AC models)

Note: if the table does not display correctly on your smartphone, we recommend rotating your screen or swiping your finger across the rows inside the table.

Pos.

Part number

Part name & product link

Qty

73b 2003259 Power cord (ref. 18H405), includes 74, 75 1
74 20B466 Power cord stop 1
75 2003004 Self-tapping torx machine screw 2
76 2003504 Machine screw, serrated hex head 1
79 20B133 Control separator 1
101 100718 Washer 1
110 2002717 Braided ground harness 1
111 119791 Machine screw, hex head with washer 1
112 114391 Ground screw 1
113 119236 Screw 2

Safety and brand labels for model 18H405

Safety labels must remain legible on the machine at all times. Here are the ones specific to reference 18H405.

Note: if the table does not display correctly on your smartphone, we recommend rotating your screen or swiping your finger across the rows inside the table.

Pos.

Part number

Part name & product link

Qty

179960 Medical label 1
98 2015293 Warning label 1
105 2015296 Front label 1
106 2015295 Side label 1
107 2002410 XT label 1
108 19D677 QR label 1

Need help identifying a part?

Some parts of the Mark XV XT ProContractor exist in several versions depending on the supply voltage and the destination market. The references above correspond to the 18H405 220–240 V version, as indicated in the Graco manual X011699 revision D.

You’ll find our full range of Graco spare parts and airless sprayers at airless-discounter.de.

Not sure about a reference? Send us your sprayer’s model number and the item number from the diagram: our technical team will identify the part and check its availability.

Here are more tips on airless spray technology


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