Parts List for Cat Pump model # 390
Key
Part #
Description
Price
Stock
Required
Quantity
Action
KIT1
# 31825
SEAL KIT, Seal and O-ring KIT, in includes all low and high-pressure seals and their associated O-rings
$96.19
2 in Stock
1
0
1
2
3
4
5
6
7
8
9
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29
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KIT2
# 34010
VALVE KIT, VALVE KIT, includes the Valve, retainer, spring, seat, and necessary O-rings
$224.44
0 in Stock
1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
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18
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28
29
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5
# 125824
Screw, HHC Sems, Steel/Chrome Plated
$1.26
0 in Stock
8
0
1
2
3
4
5
6
7
8
9
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11
12
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8
# 43344
Cover, Bearing, Aluminum
$30.80
0 in Stock
2
0
1
2
3
4
5
6
7
8
9
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10
# 43343
O-Ring, Bearing Cover, Nitrile
$4.10
2 in Stock
2
0
1
2
3
4
5
6
7
8
9
10
11
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11
# 43222
Seal, Oil, Nitrile
$7.64
4 in Stock
2
0
1
2
3
4
5
6
7
8
9
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15
# 14480
Bearing, Ball, STLR
$28.85
2 in Stock
2
0
1
2
3
4
5
6
7
8
9
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20
# 45883
Assembly, Connecting Rod, HS
$54.04
3 in Stock
3
0
1
2
3
4
5
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8
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25
# 43342
Crankshaft, Dual-End, Forged Chrome-moly
$387.27
0 in Stock
1
0
1
2
3
4
5
6
7
8
9
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11
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32
# 43211
Cap, Oil Filler, ABS Plastic
$9.35
6 in Stock
1
0
1
2
3
4
5
6
7
8
9
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11
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33
# 14177
O-Ring, Oil Filler Cap, Nitrile
$1.71
5 in Stock
1
0
1
2
3
4
5
6
7
8
9
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37
# 92241
Gauge, Oil Bubble with Gasket, Poly Carbonate
$10.81
6 in Stock
1
0
1
2
3
4
5
6
7
8
9
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38
# 44428
Gasket, Flat, Oil Gauge, Nitrile
$2.44
3 in Stock
1
0
1
2
3
4
5
6
7
8
9
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29
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40
# 126541
Screw, HHC Sems, Steel/Chrome Plated
$1.26
0 in Stock
4
0
1
2
3
4
5
6
7
8
9
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11
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48
# 25625
Plug, Drain, Steel/Chrome Plated
$5.99
0 in Stock
1
0
1
2
3
4
5
6
7
8
9
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49
# 23170
O-Ring, Drain Plug, Nitrile
$1.26
0 in Stock
1
0
1
2
3
4
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8
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50
# 48772
Cover, Rear, Aluminum
$57.80
0 in Stock
1
0
1
2
3
4
5
6
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8
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51
# 48773
O-Ring, Cover
$7.05
0 in Stock
1
0
1
2
3
4
5
6
7
8
9
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11
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53
# 48769
Crankcase, Aluminum
$462.38
0 in Stock
1
0
1
2
3
4
5
6
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8
9
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12
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55
# 126516
Screw, Steel/Chrome Plated
$5.58
0 in Stock
2
0
1
2
3
4
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6
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8
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56
# 43355
Pan, Oil, POP
$4.51
0 in Stock
1
0
1
2
3
4
5
6
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8
9
10
11
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64
# 43351
Pin, Crosshead, Chrome-Moly
$12.15
0 in Stock
3
0
1
2
3
4
5
6
7
8
9
10
11
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65
# 44312
Rod, Piston, SZZ
$130.36
0 in Stock
3
0
1
2
3
4
5
6
7
8
9
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70
# 43527
Seal, Oil, Nitrile
$7.64
3 in Stock
3
0
1
2
3
4
5
6
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8
9
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75
# 25327
Slinger, Barrier, 304 Stainless Steel
$3.00
0 in Stock
3
0
1
2
3
4
5
6
7
8
9
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11
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77
# 25392
O-Ring, Sleeve, Nitrile
$1.23
4 in Stock
6
0
1
2
3
4
5
6
7
8
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80
# 44311
Sleeve, 304SS/Chrome Plated
$43.03
0 in Stock
3
0
1
2
3
4
5
6
7
8
9
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100
# 43530
Retainer, Seal, PVDF
$5.99
2 in Stock
3
0
1
2
3
4
5
6
7
8
9
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101
# 43532
Wick, Long Tab
$4.35
3 in Stock
3
0
1
2
3
4
5
6
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8
9
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106
# 100015
Seal, Low-Pressure, , Fluorocarbon
$28.69
2 in Stock
3
0
1
2
3
4
5
6
7
8
9
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110
# 44286
Manifold, Inlet, Brass/Chrome Plated
$443.81
0 in Stock
1
0
1
2
3
4
5
6
7
8
9
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11
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112
# 43781
O-Ring, Adapter, Inner, Nitrile
$2.20
3 in Stock
3
0
1
2
3
4
5
6
7
8
9
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113
# 11261
Spacer, Cylinder, FBR
$1.77
0 in Stock
1
0
1
2
3
4
5
6
7
8
9
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114
# 44287
Adapter, Inlet, BB
$22.99
0 in Stock
3
0
1
2
3
4
5
6
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8
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116
# 27536
O-Ring, Inlet Adapter, Outer, Nitrile
$3.00
0 in Stock
6
0
1
2
3
4
5
6
7
8
9
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11
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119
# 27944
Valve, Inlet, 304 Stainless Steel
$28.26
0 in Stock
3
0
1
2
3
4
5
6
7
8
9
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130
# 27945
Piston, 304 Stainless Steel
$33.11
0 in Stock
3
0
1
2
3
4
5
6
7
8
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133
# 27946
Cup, Piston, Fluorocarbon
$25.53
0 in Stock
3
0
1
2
3
4
5
6
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135
# 27796
Spacer, Piston, 304 Stainless Steel
$13.41
0 in Stock
3
0
1
2
3
4
5
6
7
8
9
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136
# 27947
Retainer, Piston, 304 Stainless Steel
$29.53
0 in Stock
3
0
1
2
3
4
5
6
7
8
9
10
11
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137
# 15850
Washer, 304 Stainless Steel
$1.77
0 in Stock
3
0
1
2
3
4
5
6
7
8
9
10
11
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138
# 26546
Nut, Slotted, 304 Stainless Steel
$9.45
0 in Stock
3
0
1
2
3
4
5
6
7
8
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139
# 14158
Cotterpin, 304 Stainless Steel
$0.81
15 in Stock
3
0
1
2
3
4
5
6
7
8
9
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11
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150
# 44288
Cylinder, 304SS/Chrome Plated
$73.83
0 in Stock
3
0
1
2
3
4
5
6
7
8
9
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155
# 27536
O-Ring, Adapter, Inner, Nitrile
$3.00
0 in Stock
3
0
1
2
3
4
5
6
7
8
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157
# 44310
Adapter, Discharge, BB
$26.79
0 in Stock
3
0
1
2
3
4
5
6
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8
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159
# 43781
O-Ring
$2.20
3 in Stock
3
0
1
2
3
4
5
6
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163
# 43793
O-Ring, Seat, Nitrile
$1.77
0 in Stock
3
0
1
2
3
4
5
6
7
8
9
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164
# 103956
Seat, 304 Stainless Steel
$26.36
0 in Stock
3
0
1
2
3
4
5
6
7
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166
# 104302
Valve, 304 Stainless Steel
$31.23
0 in Stock
3
0
1
2
3
4
5
6
7
8
9
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167
# 43251
Spring, 304 Stainless Steel
$3.25
0 in Stock
3
0
1
2
3
4
5
6
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8
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168
# 103957
Retainer, Spring, 304 Stainless Steel
$15.02
0 in Stock
3
0
1
2
3
4
5
6
7
8
9
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185
# 43770
Manifold, Discharge, Brass/Chrome Plated
$379.69
0 in Stock
1
0
1
2
3
4
5
6
7
8
9
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187
# 126551
Stud, Discharge Manifold, Steel/Chrome Plated
$9.28
0 in Stock
4
0
1
2
3
4
5
6
7
8
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194
# 126201
Nut, Hex Flange, Steel/Chrome Plated
$1.26
0 in Stock
4
0
1
2
3
4
5
6
7
8
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