Parts List for Cat Pump model # 550
Key
Part #
Description
Price
Stock
Required
Quantity
Action
KIT1 # 30610
SEAL KIT, Seal and O-ring KIT, in includes all low and high-pressure seals and their associated O-rings
$218.56
1 in Stock
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KIT2 # 30820
VALVE KIT, VALVE KIT, includes the Valve, retainer, spring, seat, and necessary O-rings
$127.56
1 in Stock
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5 # 125824
Screw, HHC, Sems, Steel/Chrome Plated
$1.26
0 in Stock
8
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8 # 133571
Cover, Bearing, ALE
$62.86
0 in Stock
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9 # 815280
Shim, Split, 2-Piece, FBR
$18.47
0 in Stock
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10 # 12393
O-Ring, Bearing Cover, Nitrile
$5.58
0 in Stock
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11 # 43222
Seal, Oil, Crankshaft, Nitrile
$7.64
4 in Stock
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15 # 43221
Bearing, Roller, Steel
$45.99
0 in Stock
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20 # 48863
Rod, Assembly, Connecting, High-Strength
$56.95
0 in Stock
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25 # 43220
Crankshaft, Dual-End
$444.66
0 in Stock
1
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32 # 43211
Cap, Oil Filler, ABS Plastic
$9.35
6 in Stock
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33 # 14177
O-Ring, Filler Cap-70D, Nitrile
$1.71
5 in Stock
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37 # 92241
Gauge, Oil, Bubble with Gasket-80D, Poly Carbonate
$10.81
6 in Stock
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38 # 44428
Gasket, Flat, Oil Gauge-80D, Nitrile
$2.44
3 in Stock
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40 # 125824
Screw, HHC Sems, Steel/Chrome Plated
$1.26
0 in Stock
4
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48 # 25625
Plug, Drain, Steel/Chrome Plated
$5.99
0 in Stock
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49 # 23170
O-Ring, Drain Plug-70D, Nitrile
$1.26
0 in Stock
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50 # 133569
Cover, Rear, ALE
$57.80
0 in Stock
1
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51 # 14047
O-Ring, Rear Cover-70D, Nitrile
$8.69
0 in Stock
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53 # 133593
Crankcase, ALE
$394.04
0 in Stock
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56 # 43240
Pan, Oil, POP
$5.58
0 in Stock
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64 # 43237
Pin, Crosshead, Chrome-Moly
$12.58
0 in Stock
3
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65 # 43229
Rod, Plunger, ZZCP
$96.19
0 in Stock
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69 # 126589
Washer, Oil Seal, Steel/Chrome Plated
$2.27
2 in Stock
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70 # 43228
Seal, Oil, Crankcase, Nitrile
$8.38
2 in Stock
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75 # 43328
Slinger, Barrier, 304 Stainless Steel
$3.25
0 in Stock
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88 # 45697
Washer, Keyhole, 304 Stainless Steel
$2.89
3 in Stock
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90 # 43311
Plunger (Model 550), Ceramic
$147.24
0 in Stock
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96 # 43235
Backup Ring, Plunger Retainer, PTFE
$3.12
6 in Stock
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97 # 17399
O-Ring, Plunger Retainer-80D, Nitrile
$1.71
9 in Stock
3
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98 # 45891
Gasket, Plunger Retainer, CU
$1.26
0 in Stock
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99 # 104360
Retainer, Plunger with Stud, 304 Stainless Steel
$17.64
0 in Stock
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100 # 45689
Retainer, Seal, 2-Piece, PVDF
$5.78
3 in Stock
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101 # 43313
Wick, Long Tab
$1.99
0 in Stock
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106 # 43316
Seal, Low-Pressure with S-Spring, Nitrile
$16.11
2 in Stock
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120 # 45684
Case, Seal, BB
$65.81
2 in Stock
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121 # 20285
O-Ring, Seal Case-70D, Nitrile
$1.99
2 in Stock
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126 # 43320
Adapter, Female, BB
$11.23
0 in Stock
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127 # 43319
V-Packing (Model 550), Special Blend Buna
$31.64
0 in Stock
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128 # 43318
Adapter, Male, BB
$10.80
0 in Stock
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139 # 22179
Plug, fzquot; NPT[MJ), Brass/Chrome Plated
$15.02
0 in Stock
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162 # 43248
Backup Ring, Seat, PTFE
$4.84
3 in Stock
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163 # 43249
O-Ring, Seat-80D, Nitrile
$1.71
3 in Stock
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164 # 43722
Seat, 304 Stainless Steel
$22.55
3 in Stock
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166 # 43721
Valve, 304 Stainless Steel
$8.38
0 in Stock
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167 # 43751
Spring, 304 Stainless Steel
$2.89
0 in Stock
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168 # 44564
Retainer, Spring, PVDF
$7.03
3 in Stock
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172 # 17617
O-Ring, Valve Plug-90D, Nitrile
$2.20
6 in Stock
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174 # 43851
Plug, Valve, Brass/Chrome Plated
$38.81
0 in Stock
6
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185 # 45547
Head, Manifold, Brass/Chrome Plated
$1074.09
0 in Stock
1
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187 # 46868
Stud, Manifold, 304 Stainless Steel
$18.06
0 in Stock
4
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194 # 126567
Nut, Flanged, Steel/Chrome Plated
$1.26
0 in Stock
4
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Download Parts PDF Specsheet
