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629Y66 Replacement 15W503 Cylinder Rod & Shield
Sale price $964.11Regular price $1,499.99 -
587V888 SEAL KIT FOR 15W503
Sale price $197.02Regular price $305.99 -
1976999322 Aftermarket Fuchs® Grapple Cylinder Seal Kit
Sale price $54.18Regular price $87.99 -
618V19 Replacement Hydraulic Motor for Young® LOB and LOC Grapple Heads
Sale price $1,489.20Regular price $1,947.99
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FLANGE SEAL O-Rings - 36 pcs.
HB2033-001 O-ring Pack FLANGE SEAL O-Rings 36 Hydraulic O-Rings Heavy Duty Compartment Case QR Code to Learnfittings.com Resource Center Hose Box introduces the O-RING PACK for Four-Bolt Flange Hydraulic Seals. The O-RING PACK for...Regular price $56.00Regular price $56.00 -
MAX 1381 ORING KIT
MAX 1381 KIT Features & Benefits MAX 1381 KIT contains a total of 1415 O-Rings in the most popular sizes: 1/16″ Cross Section O-Rings (0xx Series) 3/32″ Cross Section O-Rings (1xx Series) 1/8″ Cross Section O-Rings...Sale price $399.20Regular price $401.27Sale price $399.20Regular price $401.27 -
CAT® FLANGE KIT
Features & Benefits This kit contains the 6 most popular sized flange seals o-rings used on Caterpillar® equipment. Product CTC-2701545 Misc This handy kit contains the 6 most popular sized flange seals O-Rings used on Caterpillar...Regular price $75.38Regular price $75.38 -
Komatsu O-Ring Kit
Features & Benefits This kit contains 74 -21T series o-rings & 165 -07000-1 series o-rings in the most popular sizes used on Komatsu equipment. Product KOM-30-KU-90 Misc This handy kit, in an unbreakable box, contains 74...Regular price $544.49Regular price $544.49 -
270-1533 (4C-8253) Replacement CAT® O-Ring Kit
Replacement O-Ring Kit(supersedes CAT® No. 4C-8253) Kit contains149 silicone O-rings inthe 32 most popular sizes used onCaterpillar® equipment. Comes insturdy plastic box with transparent lidand identification sheet.Regular price $184.67Regular price $184.67
At Union Hydraulics, we know the smallest components often make the biggest difference. Our Hydraulic O-ring Kits are designed for professionals who can’t afford downtime. Each kit includes a full range of premium-grade O-rings, organized by size and material for quick, on-the-job replacement, making it perfect for maintaining cylinders, pumps, valves, and fittings across all hydraulic systems.
Every O-ring is precision-manufactured from durable compounds that resist wear, temperature extremes, and hydraulic fluid exposure, ensuring a secure, leak-free seal every time. Whether you’re working in maintenance, field repair, or system assembly, having the right O-ring within reach keeps your operation running smoothly.
Trusted by technicians nationwide, Union Hydraulics delivers reliable products backed by real hydraulic expertise. Stock your toolbox with quality that performs—explore our Hydraulic O-ring Kits today and experience the difference precision makes.