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.
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Hydraulic Seal Kit DIN BONDED SEALS - 36 pcs.
Regular price $180.00 -
270-1535 (4C-4784) Replacement CAT D-Ring Kit
Regular price $90.16 -
270-1528 (4C-4782) Replacement CAT O-Ring Kit
Regular price $165.96 -
270-1533 (4C-8253) Replacement CAT O-Ring Kit
Regular price $206.51 -
Hydraulic Seal Kit BSPP BONDED SEALS - 34 pcs.
Regular price $140.00 -
FACE SEAL (ORFS) O-Ring Kit - 180 pcs.
Regular price $56.00 -
O-RING BOSS (ORB) O-Ring Kit - 255 pcs.
Regular price $70.00 -
FLANGE SEAL O-Rings - 36 pcs.
Regular price $56.00 -
MAX 1381 ORING KIT
Sale price $399.20Regular price $401.27 -
CAT FLANGE KIT
Regular price $75.38 -
Komatsu O-Ring Kit
Regular price $544.49
