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Caterpillar 303 CR Excavator Seal Kits

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Cat 303CR Whole Machine Kit w/ Free O-Ring Pick Set | HW Part Store
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...

$ 436.58

Cat 303 CR Swing Boom Cylinder Seal Kit | HW Part Store
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 Rod: 45 mm       Bore: 80 mm

$ 74.24

Cat 303 CR Boom Cylinder Seal Kit | HW Part StoreCat 303 CR Boom Cylinder Seal Kit | HW Part Store
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 Rod: 50 mm       Bore: 80 mm

$ 136.28

Cat 303 CR Stick Cylinder Seal Kit | HW Part StoreCat 303 CR Stick Cylinder Seal Kit | HW Part Store
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, 1937852 Rod: 45 mm       Bore: 75 mm

$ 85.58

Cat 303 CR Bucket Cylinder Seal Kit | HW Part StoreCat 303 CR Bucket Cylinder Seal Kit | HW Part Store
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 Rod: 40 mm       Bore: 65 mm

$ 53.43 $ 141.01

Cat 303 CR Blade Cylinder Seal Kit | HW Part Store
Cat 303 CR Blade Cylinder Seal Kit

Cylinder Rebuild/Repair Seal Kit for Caterpillar Model 303CR Mini Excavator All Serial Numbers (DMA00001-UP) Cylinder #s: 1937859 Rod: 45 mm       Bore: 85 mm

$ 87.05

Cat 436C Backhoe Stick Ext Cylinder - Seal Kit | HW Part Store
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 Rod: 1-1/2"   Bore: 3"

$ 41.23 $ 89.93

Caterpillar 303 CR Excavator Seal Kit

Get everything you need in one place with our Cat 303 CR mini excavator seal kits. These sets contain full seal kits for all cylinders, including the bucket cylinder seal kit. To make your repair and rebuild tasks even easier, we’re throwing in a free O-Ring pick set for your whole machine kit.

Not sure which cylinder seal kit you need? View our Excavator Cylinder ID Diagram.

Made for Your Cat Excavator

Designed specifically for the Cat 303 CR mini excavator model, these kits are made to fit just right. They’re suitable for all serial numbers starting from DMA00001. However, compatibility with other excavator brands or models isn’t guaranteed.

Efficient Resource Utilization

With every cylinder seal kit, you’re investing in the efficiency of your equipment. Keeping hydraulic components sealed and working optimally ensures smoother, energy-efficient operation of your Cat excavator. This not only optimizes equipment performance but also contributes to lower operational costs and reduced environmental impact.