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Description
Boom Cylinder Seal Kit 278-8641 for Caterpillar CAT Excavator 303.5C 303.5D 303.5E 303C 304D 304EBoom Cylinder Seal Kit 278 8641 for Caterpillar CAT Excavator 303. 5C 303. 5D 303. 5E 303C 304D 304E Part Number: 278 8641, CA278 8641, 2788641 Application: Fit for Caterpillar Excavator: 303. 5C, 303. 5D, 303. 5E, 303C CR, 304D CR, 304E See Details: 303. 5 D Mini Excavator RHP00001 UP (MACHINE) POWERED BY S3Q2 Engine 303. 5C CR Mini Hydraulic Excavator DMY00001 UP (MACHINE) POWERED BY S3Q2 Engine 303. 5E CR Mini Hydraulic Excavator JX200001 UP
Boom Cylinder Seal Kit 278-8641 for Caterpillar CAT Excavator 303.5C 303.5D 303.5E 303C 304D 304EPart Number:
278-8641, CA278-8641, 2788641
Application:
Fit for Caterpillar Excavator: 303.5C, 303.5D, 303.5E, 303C CR, 304D CR, 304E
See Details:
303.5 D Mini Excavator RHP00001-UP (MACHINE) POWERED BY S3Q2 Engine
303.5C CR Mini Hydraulic Excavator DMY00001-UP (MACHINE) POWERED BY S3Q2 Engine
303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1.8 Engine
303.5E Mini Hydraulic Excavator RKY00001-UP (MACHINE) POWERED BY C1.8 Engine
303.5E Mini Hydraulic Excavator RSE00001-UP (MACHINE)
303.5E Mini Hydraulic Excavator SFH00001-UP (MACHINE)
303.5E2 CR Mini Hydraulic Excavator AC500001-UP (MACHINE) POWERED BY C1.7 Engine
303.5E2 CR Mini Hydraulic Excavator CR900001-UP (MACHINE) POWERED BY C1.7 Engine
303.5E2CR Mini Hydraulic Excavator CR600001-UP (MACHINE) POWERED BY C1.7 Engine
303C CR Mini Hydraulic Excavator BXT00001-UP (MACHINE) POWERED BY S3Q2 Engine
304D CR Mini Excavator TYK00001-UP (MACHINE) POWERED BY S3Q2 Engine
304E Mini Hydraulic Excavator SSC00001-UP (MACHINE)
304E Mini Hydraulic Excavator TSR00001-UP (MACHINE)
304E Mini Hydraulic Excavator TTN00001-UP (MACHINE)
304E2 CR Mini Hydraulic Excavator GC500001-UP (MACHINE) POWERED BY C2.4 Engine
304E2 CR Mini Hydraulic Excavator HC500001-UP (MACHINE) POWERED BY C2.4 Engine
304E2CR Mini Hydraulic Excavator FC200001-UP (MACHINE) POWERED BY C2.4 Engine
Fit for Caterpillar Excavator: 303.5C, 303.5D, 303.5E, 303C CR, 304D CR, 304E
See Details:
303.5 D Mini Excavator RHP00001-UP (MACHINE) POWERED BY S3Q2 Engine
303.5C CR Mini Hydraulic Excavator DMY00001-UP (MACHINE) POWERED BY S3Q2 Engine
303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1.8 Engine
303.5E Mini Hydraulic Excavator RKY00001-UP (MACHINE) POWERED BY C1.8 Engine
303.5E Mini Hydraulic Excavator RSE00001-UP (MACHINE)
303.5E Mini Hydraulic Excavator SFH00001-UP (MACHINE)
303.5E2 CR Mini Hydraulic Excavator AC500001-UP (MACHINE) POWERED BY C1.7 Engine
303.5E2 CR Mini Hydraulic Excavator CR900001-UP (MACHINE) POWERED BY C1.7 Engine
303.5E2CR Mini Hydraulic Excavator CR600001-UP (MACHINE) POWERED BY C1.7 Engine
303C CR Mini Hydraulic Excavator BXT00001-UP (MACHINE) POWERED BY S3Q2 Engine
304D CR Mini Excavator TYK00001-UP (MACHINE) POWERED BY S3Q2 Engine
304E Mini Hydraulic Excavator SSC00001-UP (MACHINE)
304E Mini Hydraulic Excavator TSR00001-UP (MACHINE)
304E Mini Hydraulic Excavator TTN00001-UP (MACHINE)
304E2 CR Mini Hydraulic Excavator GC500001-UP (MACHINE) POWERED BY C2.4 Engine
304E2 CR Mini Hydraulic Excavator HC500001-UP (MACHINE) POWERED BY C2.4 Engine
304E2CR Mini Hydraulic Excavator FC200001-UP (MACHINE) POWERED BY C2.4 Engine
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 3
Not as good as chuck it anymore
Style: Fetch Balls (Pack of 10), Size: 2.5 inch
I have bought these before and the where just like the chuck it balls. These are not those balls. The are lighter and my dog has already cause damage to one
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 16, 2026
★★★★★ 5
Fun, Durable Balls for smaller heavy chewers
Color: Four colors, Size: 5cm (ball only)
Perfect size and strength for my small dog that is a heavy chewer! She hasn’t been able to destroy and chew up this one like she has with every other toy! Definitely chew resistant.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Bouncy and durable
Color: Four colors, Size: 5cm (ball only), Color: Four colors, Size: 5cm (ball only)
These balls are awesome - bouncy and super durable for my little guy!
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Reviewed in the United States on May 17, 2026
★★★★★ 5
Great quality
Color: Four colors, Size: 5cm (ball only)
I was very surprised that these are as good as the chuck it balls. I have a super chewer and he’s tears balls up except for chuck its and he can’t tear these up.
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Happy pup
Color: Four colors, Size: 5cm (ball only)
Small but bouncy. Pupper loves them.
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Reviewed in the United States on May 3, 2026