Seal Kits & Parts for your Construction Equipment
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Cat 303 CR Mini Excavator Seal Kits


Replacement Seal Kits to repair all cylinders on Caterpillar 303CR Mini Excavator

Not Sure which Seal Kit you need? View our Excavator Cylinder ID Diagram

UP TO 67% OFF RETAIL

Select the name of the cylinder or seal kit you're looking for from the list above to narrow your search


Cat 303CR Whole Machine Kit w/ Free O-Ring Pick Set
  Cylinder Rebuild/Repair Seal Kits for Cat Model 303CR Mini Excavator  All Serial Numbers Includes Following Seal Kits: (1) Boom  (1) Bucket (1) Stick (1) Swing (1) Blade Includes Free O-Ring Pick Set to......
$ 269.53
Cat 303 CR Swing Boom Cylinder Seal Kit
Cylinder Rebuild/Repair Seal Kit for Caterpillar Model 303CR Mini Excavator All Serial Numbers (DMA00001-UP) Cylinder #s: 1937855 P-U-10         Rod: 45 mm       Bore: 85 mm ...
$ 45.84
Cat 303 CR Boom Cylinder Seal Kit
Cylinder Rebuild/Repair Seal Kit for Caterpillar Model 303CR Mini Excavator All Serial Numbers (DMA00001-UP) Cylinder #s: 1987021 P-U-10         Rod: 50 mm       Bore: 80 mm ...
$ 84.14
Cat 303 CR Stick Cylinder Seal Kit
Cylinder Rebuild/Repair Seal Kit for Caterpillar Model 303CR Mini Excavator All Serial Numbers (DMA00001-UP) Cylinder #s: 2037172, 2190541, 2390837 P-U-10         Rod: 45 mm       Bore: 75......
$ 52.84
Cat 303 CR Bucket Cylinder Seal Kit
Cylinder Rebuild/Repair Seal Kit for Caterpillar Model 303CR Mini Excavator All Serial Numbers (DMA00001-UP) Cylinder #s: 2037172, 2190541, 2390837 P-U-10         Rod: 40 mm       Bore: 65......
$ 32.96
$ 141.01
Cat 303 CR Tilt Cylinder Seal Kit
Cylinder Rebuild/Repair Seal Kit for Caterpillar Model 303CR Mini Excavator All Serial Numbers (DMA00001-UP) Cylinder #s: 2460192 P-UB-10         Rod: 1-1/2"   Bore: 3" ...
$ 24.89
$ 89.93