Cat H130ES Piston

Introducing the 355-6558 Hydraulic Hammer Cat H130ES Piston — the core component that drives relentless breaking power. At MERIT, we engineer pistons that don’t just fit — they perform at the highest level, cycle after cycle, job after job.
WHY 355-6558 H130ES PISTON?
The 355-6558 is a precision-machined hydraulic hammer piston built specifically for the Cat H130ES breaker. Designed to deliver maximum impact energy with every stroke, this piston is the critical link between hydraulic power and raw breaking force. Whether you’re demolishing concrete, breaking rock, or tackling the toughest excavation work — this piston handles it all without flinching.
PRODUCT HIGHLIGHTS
✅ Part No: 355-6558 — Exact OEM reference match for Cat H130ES
✅ Precision-Ground Surface — Tight tolerances for optimal fit, maximum energy transfer, and minimal wear
✅ Premium Alloy Steel Construction — Heat-treated for superior hardness and impact resistance
✅ High-Frequency Cycle Rated — Built to endure thousands of high-impact strikes under full hydraulic pressure
✅ Direct OEM Replacement — Seamless fitment, zero modification required
✅ Anti-Wear Coating — Extended service life even in the most abrasive environments
MERIT QUALITY GUARANTEE
Every 355-6558 Piston that leaves MERIT goes through strict dimensional inspection and material verification. We source only the finest alloy steel and apply controlled heat treatment processes to ensure each piston meets — and exceeds — OEM performance standards.
Your hammer is only as good as its piston. Make it MERIT.
📦 In stock & ready to ship worldwide
📩 Contact us for bulk orders, technical datasheets, and OEM partnership programs.
MERIT — Precision You Can Trust. Power That Delivers.