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Excavator Hydraulic Cylinder Seal Kit

Fast Shipping & Custom Excavator Seal Kits for CASE, Caterpillar, Komatsu, JCB, Volvo, Hitachi, Hyundai & More


JR SEAL specializes in ISO 9001:2015 certified hydraulic cylinder seal kits for excavators and backhoes, engineered to eliminate leaks, reduce contamination, and maximize equipment uptime. Our OEM-quality excavator seal kits for Caterpillar, Komatsu, JCB, Case, Hitachi, Hyundai, Volvo, Daewoo and Sany — including popular models like the PC200-8, PC200-7, and JCB 3DX — are built to withstand extreme pressures, high temperatures, and corrosive environments, ensuring longer service life and fewer breakdowns. With over 20 years of expertise, we offer custom seal kits for excavators and backhoes at factory wholesale prices. Experience our quality with a free sample and enjoy fast shipping!

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Types of Seal Kits for Excavators & Backhoes

Caterpillar
Komatsu
JCB
Kobelco
Hitachi
Hyundai
Volvo
Daewoo
Sany
Case
Hydraulic Cylinder Repair Seal Kit E330D/C
Hydraulic Cylinder Repair Seal Kit E330D/C
Hydraulic Cylinder Repair Seal Kit E320B/C/D
Hydraulic Cylinder Repair Seal Kit E320B/C/D
Hydraulic Pump Seal Kit E320C
Hydraulic Pump Seal Kit E320C
Control Valve Seal Kit CAT320C
Control Valve Seal Kit CAT320C
Hydraulic Cylinder Seal Kit PC-120-5/6
Hydraulic Cylinder Seal Kit PC-120-5/6
Hydraulic Cylinder Seal Kit PC200-8
Hydraulic Cylinder Seal Kit PC200-8
Hydraulic Cylinder Seal Kit PC200-7
Hydraulic Cylinder Seal Kit PC200-7
Hydraulic Cylinder Seal Kit PC210-7
Hydraulic Cylinder Seal Kit PC210-7
Hydraulic Cylinder Seal Kit Replacement JCB 991
Hydraulic Cylinder Seal Kit Replacement JCB 991
Hydraulic Cylinder Repair Seal Kit SK200/210-8
Hydraulic Cylinder Repair Seal Kit SK200/210-8
Hydraulic Motor Oil Seal SK200-8
Hydraulic Motor Oil Seal SK200-8
Hydraulic Pump Seals SK200-8
Hydraulic Pump Seals SK200-8
Hydraulic Control Valve Seals SK200-8
Hydraulic Control Valve Seals SK200-8
Hydraulic Ram Seal Kit ZX120
Hydraulic Ram Seal Kit ZX120
Repair Kit Hydraulic Pump ZX240-3
Repair Kit Hydraulic Pump ZX240-3
Repair Kit Hydraulic Pump ZX240-3G
Repair Kit Hydraulic Pump ZX240-3G
Control Valve Seals ZX200-3
Control Valve Seals ZX200-3
Hydraulic Cylinder Seal Kit Replacement R220-9
Hydraulic Cylinder Seal Kit Replacement R220-9
Transmission Seal Kit 2HL290
Transmission Seal Kit 2HL290
Hydraulic Cylinder Seal Kit EC240
Hydraulic Cylinder Seal Kit EC240
Hydraulic Cylinder Seal Kit EC290
Hydraulic Cylinder Seal Kit EC290
Hydraulic Cylinder Seal Kit EC360-7
Hydraulic Cylinder Seal Kit EC360-7
Hydraulic Cylinder Seal Kit EC460
Hydraulic Cylinder Seal Kit EC460
Hydraulic Ram Seal Kit DH220-5
Hydraulic Ram Seal Kit DH220-5
Hydraulic Cylinder Seal Kit SY365
Hydraulic Cylinder Seal Kit SY365
Hydraulic Cylinder Seal Kit SY235
Hydraulic Cylinder Seal Kit SY235
Hydraulic Boom Cylinder Seal Kit CX210B
Hydraulic Boom Cylinder Seal Kit CX210B
Bucket Cylinder Repair Seal Kit CX210C/CX235C
Bucket Cylinder Repair Seal Kit CX210C/CX235C
Hydraulic Cylinder Seal Kit for Case Backhoe Loader
Hydraulic Cylinder Seal Kit for Case Backhoe Loader

What Sets Us Apart

Industry-Leading Performance
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Our hydraulic excavator seal kits are engineered to prevent oil and lubricant leaks, minimize internal wear, and maintain consistent hydraulic pressure, ensuring your equipment runs at peak efficiency.

Precision Fit, OEM Compatibility
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Manufactured with tight tolerances and built to meet or exceed OEM specifications, our excavator seal kits guarantee a perfect fit and long-lasting performance for major brands like CASE, Caterpillar, Komatsu, JCB, and more. 

Extreme Durability for Harsh Conditions
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Built to endure high pressure, corrosion, abrasion, and heat, our excavator seals extend component lifespan and cut maintenance costs. These seal kits protect vital components like boom cylinders, stabilizers, and swing joints, helping your machinery run smoother, longer, and more profitably.

End-to-End Custom Solutions
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We offer custom solutions tailored to your unique requirements. From raw material procurement to forming, processing, and rigorous inspection, every step is carefully controlled to meet specific product requirements. 

Transparent, Factory-Direct Pricing
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Get premium quality without the premium markup. We, as a leading excavator seal kits supplier, offer competitive, factory-direct pricing with no hidden fees, giving you the best value for your investment.

Global Reach, Fast Response
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We ship worldwide and our dedicated support team is ready to provide quick quotes, technical assistance, and fast order processing, so you get what you need, when you need it.

Want to Be Our Next Success Story?

From major construction companies to independent repair shops, we've built lasting relationships across the industry by delivering high-quality hydraulic cylinder seal kits for excavators and backhoes. Whether you need excavator seal kits, backhoe seal kits, or custom solutions, we don't just supply parts — we become your trusted sealing partner, working alongside to tackle hydraulic and pneumatic sealing challenges.

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Our Factory Insight

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contact info
GUANGZHOU JIARUI SEALS CO., LTD.
Add:
Room 807, Building No.7, No.36 Zhuji Road, Tianhe District, Guangzhou, China
A5 Building, Zhucun No.6 Industrial Zone, Tianhe District, Guangzhou, China
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Add:
Room 807, Building No.7, No.36 Zhuji Road, Tianhe District, Guangzhou, China
A5 Building, Zhucun No.6 Industrial Zone, Tianhe District, Guangzhou, China
GUANGZHOU JIARUI SEALS CO., LTD.
Produce sealing elements for you! Whenever and whatever you need, we can provide the best solution for you.
To Know JR SEAL More
GUANGZHOU JIARUI SEALS CO., LTD.
Produce sealing elements for you! Whenever and whatever you need, we can provide the best solution for you.
To Know JR SEAL More
Room 807, Building No.7, No.36 Zhuji Road, Tianhe District, Guangzhou, China
A5 Building, Zhucun No.6 Industrial Zone, Tianhe District, Guangzhou, China
jr@jrsealing.com 020-32381126