Solo Backpack Sprayer Parts
by Diagram Number
Parts For Solo Backpack Sprayer Model Numbers 425,
473-D, 475, 475-B, 435, 485, 474, 476
(Click on the part number you need in diagram for pricing and details
or scroll down)
We carry a full line of Solo Sprayer
Parts and Solo Backpack Sprayers)
#52
Solo 00-10-110 Fill Head Screw
Our Item Number - Oso10110
$1.79
#72
Solo 00-10-141 Fill Head Screw
Our Item Number - Oso10141
$1.99
#2
Solo 00-10-138 Fill Head Screw
Replacement for 00-10-165
Our Item Number - Oso10138
$1.79
#71
Solo 00-10-193 Fill Head Screw
Our Item Number - Oso10193
$1.99
#6
Solo 00-12-185 Fill Head Screw<
Our Item Number - Oso12185
$1.89
#3
<
Solo 00-12-185 Fill Head Screw
Our Item Number - Oso12185
$1.89
#57
Solo 00-12-192 Screw
Our Item Number - Oso12192
$1.89
#64
Solo 00-18-257 Fill Head Screw
Our Item Number - Oso0018275
$1.69
#53
Solo 00-20-101 Hex Nut
Our Item Number - Oso20101
$1.79
#56
Solo 00-20-119 Nut
Our Item Number - Oso20119
$1.79
#4
Solo 00-30-131 Washer
Our Item Number - Oso30131
$1.79
#49
Solo 00-31-356 Washer
Our Item Number - A36650
$1.79
#84
Solo 00-61-283 Gasket
Our Item Number - Oso61283
$2.29
#9
Solo 00-62-106 Gasket
Our Item Number - A75726
$2.49
#10
Solo 00-62-115 O-Ring
Our Item Number - A75724
$1.69
#12
Solo 00-62-139 O-ring
Our Item Number - A36684
$2.49
#13
Solo 00-62-140 O-Ring
Our Item Number - Oso0062140
$2.49
#62
Solo 00-62-228 O-ring
Our Item Number - Oso62228
$2.09
#95
Solo 00-62-249 O-ring
Our Item Number - Oso62249
$2.09
#8
Solo 00-62-258 Gasket
Our Item Number - A36736
$2.49
#50
Solo 00-62-258 Gasket
Our Item Number - A36736
$2.49
#103
Solo 00-62-271 O-Ring
Our Item Number - A30141
$1.79
#11
Solo 00-62-291 O-Ring
Our Item Number - Oso62291
$2.89
#106
Solo 00-62-324 O-Ring
Our Item Number - Oso62324
$1.79
#48
Solo 40-61-342 Gasket
Replaces 00-62-175
Our Item Number - Oso4061345
$3.79
#14
Solo 00-64-234 Sprayer Hose
Our Item Number - A75764
$6.49
#59
Solo 00-65-210 Brass Flat Spray Nozzle
Our Item Number - Oso65210
$4.59
#15
Solo 00-66-388 Clamp Assembly
Our Item Number - Oso66388
$4.19
#16
Solo 00-66-394 Clamp
Our Item Number - Oso66394
$4.99
#25
Solo 00-70-260 Sprayer Spring
Our Item Number - A36776
$2.79
#7
Solo 06-10-402-K Shut Off Valve Repair Kit
Our Item Number - Oso0402
$6.89
#93
Solo 27-00-316 No-Drip Check Valve
Our Item Number - Oso00316
$4.89
#68
Solo 40-31-130 Pin
Our Item Number - Oso31130
$4.69
#18
Solo 40-35-111 Tube
Our Item Number - Oso35111
$4.39
#17
Solo 40-43-123 Stop Plate
Our Item Number - Oso43123
$3.09
#20
Solo 40-61-257 Valve Plates
Our Item Number - A36794
$2.99
#98
Solo 40-61-464 Vent Diaphragm
Our Item Number - Oso61464
$1.79
#89
Solo 40-65-189 Pressure Gauge Guard
Our Item Number - Oso65189
$5.49
#61
Solo 40-73-410 Flange
Our Item Number - Oso73410
$9.19
#60
Solo 40-73-411 Housing (Diaphragm)
Our Item Number - Oso73411
$11.79
#43
Solo 40-73-558 Sprayer Piston
Our Item Number - A36802
$11.89
#99
Solo 40-74-123 Vent Cap
Our Item Number - Oso74123
$1.59
#22
Solo 40-74-148 Sprayer Screw Caps
Our Item Number - A75725
$2.69
#69
Solo 40-74-234 Lever 1
Our Item Number - Oso74234
$2.89
#70
Solo 40-74-243 Lever 2
Our Item Number - Oso74243
$2.89
#66
Solo 40-74-245 Diaphragm
Our Item Number - Oso4074246
$10.39
#65
Solo 40-74-247 Plunger
Our Item Number - Oso4074256
$5.29
#42
Solo 40-74-270 Lever
This lever is for models made after 2017. If you need a pre-2017 lever you may need to replace other piston pump components.
Our Item Number - A73494
$4.59
#29
Solo 40-74-263 Flat Spray Nozzle
Our Item Number - A72145
$1.89
#31
Solo 40-74-283 Filter
Our Item Number - A36829
$2.49
#97
Solo 40-74-295 Plastic Pin
Our Item Number - Oso74295
$3.79
#23
Solo 40-74-323 Valve Bodies
Our Item Number - A36832
$5.09
#100
Solo 40-74-329 Lock Clip
Our Item Number - Oso74329
$1.79
#102
Solo 40-74-335 Lever
Our Item Number - Oso74335
$5.89
#101
Solo 40-74-336 Retaining Nut
Our Item Number - Oso74336
$2.79
#26
Solo 40-74-337 Screw Cap
Our Item Number - A36834
$2.69
#94
Solo 40-74-338 Screw Cap
Our Item Number - Oso74338
$5.89
#27
Solo 40-74-344 Adjustment Cap
Our Item Number - Oso74344
$3.79
#24
Solo 40-74-350 Seal Ring
Our Item Number - Oso74350
$1.99
#54
Solo 40-74-408 Connecting Rod
with Stud
Our Item Number - A73641
$2.19
#41
Solo 40-74-409 Connecting Rod without Stud
Our Item Number - A73642
$2.19
#67
Solo 40-74-255 Connecting Rod
Our Item Number - A36818
$3.79
#28
Solo 40-74-410 Bushing
Our Item Number - Oso74410
$1.99
#55
Solo 40-74-412 Buckle
Our Item Number - A36843
$0.99
#55-A
Solo 40-74-425 Pin For Backpack Straps
Our Item Number - Oso4074425
$2.19
#34
Solo 40-74-500 Clamp
Our Item Number - A50986
$2.79
#35
Solo 40-74-527 Elbow
Our Item Number - A75582
$3.29
#51
Solo 40-74-677 Protection Cap
Our Item Number - Oso4074680
$3.59
#32
Solo 40-74-755 Jet Stream Nozzle
Our Item Number - A72146
$2.49
#30
Solo 40-74-756 Swirl Plate
Our Item Number - A72147
$1.49
#73
Solo 40-74-833 Plastic Hook
Our Item Number - Oso4074837
$0.69
#58
Solo 40-74-996 Clip
Our Item Number - Oso74996
$1.19
#36
Solo 42-00-162 4 Gallon Tank and Frame Assembly
Our Item Number - Oso4200162
$19.49
#36
Solo 42-00-293 5 Gallon Tank and Frame Assembly
Our Item Number - Oso4200293
$98.59
#37
Solo 42-00-166 Filter Basket
Our Item Number - Oso4200106
$9.49
#1
Solo 42-00-215 Optional 90 PSI Plug
# 10 Included
Our Item Number - A36862
$5.89
#21
Solo 42-00-242 Tank Cap
w/valve Assembly
Our Item Number - A36864
$5.49
#21
Solo 42-00-305 Black Tank Cap
Includes diagram numbers 48-98-99
Our Item Number - Oso4200305
$4.69
#38
Solo 43-00-315 Carrying Strap
# 73 Included
Our Item Number - A36873
$5.09
Solo 40-73-725 Carry Handle
Our Item Number - Oso4073725
$5.99
Solo 43-00-343 Shoulder Saver Harness
Our Item Number - Oso4300343
$29.19
#40
Solo 44-00-168 Cylinder Assembly
Our Item Number - Oso4073190
$10.59
#44
Solo 44-00-189 Collar Viton
Our Item Number - A73495
$11.79
#63
Solo 44-00-222 Threaded Collar
Includes #12, #20
Our Item Number - Oso00222
$12.19
#39
Solo 44-00-240 Pressure Cylinder
Includes #10,
#23-25, #27
Our Item Number - A33180
$23.49
#39
Solo 44-00-240N Pressure Cylinder-Solid
Our Item Number - Oso4400240N
$19.09
#45
Solo 48-00-170 Shut-Off Valve Assembly Bracket Included
Our Item Number - A71549
$15.19
#46
Solo 48-00-173 Lever
#75 included
Our Item Number - Oso480017325
$10.29
#47
Solo 49-00-230 20 Inch Spray Wand (Poly)
Our Item Number - A64312
$9.49
#74
Solo 49-00-252 Hollow Cone Jet Nozzle
1.4mm
Our Item Number - Oso00252
$2.89
Solo 49-00-322 Hollow Cone Jet Nozzle
1.8mm
Our Item Number - Oso4900322
$2.89
#96
Solo 49-00-258N Sprayer Elbow and
Nozzle Kit
Our Item Number - A30570
$6.39
#33
Solo 49-00-527 Plastic Adjustable Nozzle Includes A and B
Our Item Number - A15248
$4.59
Solo 06-10-410-P Adjustable Spray Nozzle Assembly
Our Item Number - A36785
$9.89
Solo 49-00-207 Adjustable Spray Nozzle
Our Item Number - A44620
$5.49
#76
Solo 49-00-430 Drift Guard
Our Item Number - A36906
$21.89
#80
Solo 49-00-477 Double Spray Nozzle
Our Item Number - Oso49477
$32.89
#92
Solo 49-00-513 20 Inch Extension Tube (Poly)
Our Item Number - A36900
$18.19
#81
Solo 49-00-528 60" Brass Spray Wand
Our Item Number - A79850
$45.49
Out of StockAvailable for Backorder
ETA: Coming Middle Of July 2025
#90
Solo 49-00-622 Pressure Gauge
*Replaced part 49-00-356
Our Item Number - Oso4900622
$27.29
Solo 44-00-203 Pump Assembly
Fits Model 473-P
Other Diagram Numbers: 1-8-11-12-13-20 (2 Each)-39-40-41-42-43-44-54
Our Item Number - Oso4400203
$27.29
Solo 44-00-221 Pump Assembly
Other Diagram Numbers: 1-8-11-12-20 (2 Each)-39-61-63-64 (13 Each)-65-66-67-68-69-70-72 (2 Each)-106
Our Item Number - Oso4400221
$27.29
Solo 49-00-310N Conversion Kit-From Piston To Diaphragm Pump
Our Item Number - Oso4900310N
$27.49
