3315312790 Hydraulic Breaker Seal Kit for Epiroc & Atlas Copco SB452 Hammer Repair | Heavy-Duty Cylinder Rebuild Solution

Product Overview

Restore peak striking power and maximize attachment productivity with our premium Hydraulic Breaker Seal Kit (Part Number: 3315312790 / 3315 3127 90).

Engineered to meet or exceed OEM specifications, this heavy-duty repair solution is specifically designed for Epiroc and Atlas Copco SB452 & HS45U hydraulic hammers and breakers (95mm working tool diameter). Built to withstand extreme rock-breaking workloads, it delivers exceptional dynamic sealing, superior pressure resistance, and reliable protection against hydraulic fluid leakage under harsh jobsite conditions.

Key Features & Benefits

• Demolition-Grade Tri-Material Durability

  Formulated with premium TPU (Polyurethane), HNBR rubber, and low-friction PTFE compounds capable of handling high-frequency impacts, intense vibration, and severe hydraulic pressure spikes.

• Precision Zero-Leakage Fitment

  Engineered with exact profile tolerances to eliminate internal oil bypass, prevent cylinder drift, and maintain optimum hydraulic efficiency during heavy concrete breaking, trenching, and quarrying.

• Complete Hammer Rebuild Package

  Includes a fully matched set of high-durability step seals, buffer seals, dust wipers, scraper rings, and O-rings—giving you everything needed for a complete, hassle-free cylinder overhaul.

• Extended Service Life & Thermal Stability

  Offers outstanding temperature resistance (-40°C to 150°C) and wear resistance, protecting your equipment in tough mining and construction environments while significantly reducing maintenance costs.

Technical Specifications

• Brand Compatibility: Epiroc / Atlas Copco

• Compatible Hammer Models: Atlas Copco / Epiroc SB452, HS45U (95mm Tool Diameter)

• OEM Reference Part Number: 3315312790 (3315 3127 90)

• Internal SKU / Item Code: 3315312790

• Product Type: Hydraulic Breaker Seal Kit / Hammer Service Repair Kit

• Primary Material: Premium TPU + HNBR + PTFE Composite Seals

• Application: Mining, Construction & Rock-Breaking Hydraulic Attachment Overhaul

Important Fitment & Ordering Note

Verify Before Ordering: Hydraulic hammer components can vary based on production series and serial numbers. Please cross-check your equipment’s model, serial number, or existing seal profiles against OEM specifications prior to purchase to guarantee a 100% accurate fit.