Excavator Komatsu Piston Assy 6162-33-2140 6164-31-2121 For S6D170 SA6D170 Engine

Overview

Piston assembly 6162‑33‑2140 & 6164‑31‑2121 are heavy‑duty engine piston assemblies for S6D170, SA6D170 diesel engines, widely used for excavators, bulldozers, wheel loaders and generator sets in construction & mining industry. Manufactured according to original‑equipment technical standards, it delivers stable compression performance, excellent high‑temperature resistance and wear‑resistance to sustain continuous heavy‑load operation

Product Specifications

表格

Key Features

• Premium Material: Adopts high‑strength aluminum alloy with internal oil cooling gallery structure. Good thermal conductivity and anti‑deformation capacity under high combustion temperature, suitable for harsh mining and construction working conditions.
• Precision Machining: Piston skirt, ring grooves and pin bore are machined with strict tolerance. Perfect matching with piston rings and cylinder liner, effectively reduces oil consumption and blow‑by gas.
• Surface Reinforcement: Hardening treatment on combustion chamber surface, improves anti‑abrasion performance and extends service life under long‑time heavy‑duty cycles.
• Direct Replacement: Fully interchangeable with original components. No extra modification required during engine overhaul, saves assembly working hours.
• Strict Quality Control: Every piston assembly undergoes dimension inspection and appearance check before shipment to eliminate casting flaws.

Applications

• S6D170 / SA6D170 series diesel engines
• Heavy‑duty construction equipment: excavators, bulldozers, wheel loaders, mining machines and diesel generator units

Packaging & Shipping

• Packaging: Anti‑rust treatment, moisture‑proof wrapping, solid export carton or wooden case
• Shipping: Sea freight, air freight, international express available worldwide
• Documents: Commercial invoice, packing list, inspection certificate provided upon request

Why Choose Us

• 100% dimension‑inspected before delivery
• Factory direct supply with competitive price
• Professional engine‑parts technical support
• Stable lead‑time & reliable delivery