Parts List for Cat Pump model # 4DX20ER
Key
Part #
Description
Price
Stock
Required
Quantity
Action
KIT1 # 33053
SEAL KIT, Seal and O-ring KIT, in includes all low and high-pressure seals and their associated O-rings
$75.94
2 in Stock
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KIT2 # 76978
VALVE KIT, VALVE KIT, includes the Valve, retainer, spring, seat, and necessary O-rings
$129.51
0 in Stock
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5 # 549360
Screw, HH, Steel/Chrome Plated
$0.93
0 in Stock
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8 # 547153
Cover, Bearing, Aluminum
$45.99
0 in Stock
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10 # 14041
O-Ring, Bearing Cover-70D, Nitrile
$4.10
3 in Stock
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11 # 55337
Seal, Oil, Nitrile
$8.38
3 in Stock
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15 # 14488
Bearing, Ball, Inner, Steel
$24.57
2 in Stock
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20 # 547048
Rod, Connecting, High-Strength
$18.99
0 in Stock
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25 # 132186
Crankshaft,
$221.06
0 in Stock
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27 # 15710
Bearing, Ball, Outer, Steel
$24.18
2 in Stock
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32 # 549726
Cap, Vented with O-Ring
$19.15
0 in Stock
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33 # 14179
O-Ring, Oil FillerCap-70D, Nitrile
$1.71
4 in Stock
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37 # 92241
Gauge, Bubble Oil with Gasket, Poly Carbonate
$10.81
6 in Stock
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38 # 44428
Gasket, Flat Flex, Oil Gauge-80D, Nitrile
$2.44
3 in Stock
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48 # 44842
Plug, Drain, NY
$8.69
0 in Stock
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49 # 14179
O-Ring, Drain Plug-70D, Nitrile
$1.71
4 in Stock
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53 # 49801
Crankcase, Aluminum
$273.38
0 in Stock
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64 # 46229
Pin, Crosshead, Chrome-Moly
$10.55
0 in Stock
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65 # 132190
Rod, Plunger, BB
$27.84
0 in Stock
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70 # 47215
Seal, Oil, Nitrile
$5.58
2 in Stock
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90 # 542403
Plunger, Ceramic
$58.64
0 in Stock
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98 # 46730
Washer, Seal-90D, Nitrile
$5.58
2 in Stock
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99 # 542405
Retainer, Plunger, 304 Stainless Steel
$3.25
0 in Stock
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100 # 46233
Retainer, Seal, D
$1.77
2 in Stock
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106 # 48222
Seal, Low-Pressure, with SS-Spring, Nitrile
$14.51
2 in Stock
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120 # 547357
Case, Seal, BB
$17.64
2 in Stock
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121 # 13976
O-Ring, Seal Case-70D, Nitrile
$1.71
3 in Stock
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125 # 46240
Seal, High-Pressure, Nitrile
$9.70
2 in Stock
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160 # 13965
O-Ring, Seat, lnlet-70D, Nitrile
$1.26
0 in Stock
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161 # 545177
Seat, Inlet, 304 Stainless Steel
$13.41
0 in Stock
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163 # 19285
O-Ring, Seat, Discharge-70D, Nitrile
$1.77
0 in Stock
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164 # 545178
Seat, Discharge, 304 Stainless Steel
$18.47
0 in Stock
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166 # 547098
Valve, 304 Stainless Steel
$5.58
0 in Stock
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168 # 543988
Retainer, Spring, Inlet, PVDF
$3.75
0 in Stock
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169 # 49764
Retainer, Spring, Discharge, PVDF
$4.26
0 in Stock
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172 # 142807
O-Ring, Plug-90D, Nitrile
$1.26
0 in Stock
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174 # 547104
Plug, Valve, BB
$26.79
0 in Stock
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188 # 549357
Screw, HSH, Steel/Chrome Plated
$1.77
0 in Stock
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196 # 101556
Plug, Accessory, BB
$7.05
0 in Stock
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255 # 30516
Assembly, Bolt Mount, STZPR
$8.10
0 in Stock
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460 # 107681
Fitting, Discharge, BB
$16.11
0 in Stock
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Download Parts PDF Specsheet
