270-1528 O-Ring Seal Kit 580 Pieces for Caterpillar Hydraulic Fittings

270-1528 O-Ring Seal Kit – High-Quality Aftermarket Replacement for Caterpillar Hydraulic Systems

Equip your workshop with a complete assortment of seals using this premium aftermarket 270-1528 O-ring seal kit. Containing **580 high-grade nitrile (NBR 90 durometer) O-rings** in 32 popular sizes, it’s designed as a direct replacement for OEM kit 4C-4782 – ideal for SAE STOR, ORFS, Code 61/62 flange fittings, and high-pressure hose connections.

Key Benefits for Contractors and Operators

• Prevents Hydraulic Leaks: Reliable O-rings form tight seals on ports, fittings, and flanges, minimizing oil loss and contamination in high-pressure systems.
• Direct Fit Installation: Exact OEM sizes for fast, no-fuss replacement during hose and fitting maintenance.
• Built Tough for Heavy Duty Use: Nitrile 90 duro material resists extrusion, pressure, heat, and wear in harsh environments.
• Cost-Effective Alternative: Full comprehensive kit at aftermarket pricing – perfect for stocking common repair parts in fleets.
• Fast Shipping: In stock and ready to ship within 1-3 days.

Compatible Caterpillar Models

This O-ring kit is essential for hydraulic fittings across a broad range of Caterpillar machines, including excavators, loaders, dozers, graders, compactors, and more (verify your parts manual for exact needs):

• Excavators: 320-395 series and many others
• Wheel Loaders: 950-992 series
• Track-Type Tractors, Motor Graders, Compactors, Scrapers, Trucks
• Most models with SAE STOR/ORFS and Code 61/62 hydraulic connections

Specifications

Questions? Contact us for size confirmation or bulk pricing. We stand behind our parts with fast shipping and easy returns.