Hydraulic Cylinder Block Barrel Assembly 173‑3496 For CAT 20E 320F L 320D L 320E L 320C L 320D2 GC 320D

Keywords: 173‑3496, 1733496, Barrel Assembly, Hydraulic Cylinder Block, CAT Pump Barrel, 320D Excavator Spare Parts, Main Pump Cylinder Block, Construction Machinery Hydraulic Replacement Parts

Product Overview

This barrel assembly Part No.173‑3496 is a vital core component of hydraulic main pump, specially designed for Cater-pillar excavator 20E, 320F L, 320D L, 320E L, 320C L, 320D2 GC, 320D. It contains multiple piston bores, works together with pistons, valve plate and other parts to realize oil suction and oil discharge circulation of hydraulic pump, ensuring stable hydraulic pressure output for whole excavator system. Our aftermarket barrel assembly is precision‑machined and strictly inspected according to OEM standards, adopting high‑strength anti‑wear material with fine bore finishing. It delivers stable performance under heavy‑load, high‑pressure continuous construction working conditions, ideal for hydraulic pump rebuild and excavator overhaul.

Detailed Specifications

Key Features & Advantages

• Exact OEM Dimension Tolerance Precision machining for piston bores, spline and end‑face flatness, perfectly match original pump kit for direct installation without modification.
• Premium High‑Hardness Material Special alloy material improves wear‑resistance, reduces bore scratch risk caused by high‑frequency reciprocating piston movement.
• High‑Precision Inner Bore Finishing Smooth inner hole surface lowers friction, reduces internal leakage, helps hydraulic pump keep stable pressure performance.
• Strict Multi‑Step Pre‑Shipment Inspection Each barrel assembly is tested on dimension, flatness and surface condition to avoid assembly failure.
• Suitable For Severe Construction Environment Resist high‑pressure impact and contaminated oil condition, extend service life of whole hydraulic pump assembly.

Application Scope

Compatible Equipment List: ‑ CAT Excavator: 20E, 320F L, 320D L, 320E L, 320C L, 320D2 GC, 320D ‑ Used for main hydraulic pump repairing, solving pressure loss, slow action, abnormal noise and internal leakage faults.

Our Company Advantage

We are professional supplier of full‑range excavator and diesel engine spare parts, supplying hydraulic pump components, engine rebuild kits, sensors, solenoid coils and other replacement spare parts. ‑ Large ready stock for various CAT excavator hydraulic pump accessories ‑ Factory direct wholesale competitive price ‑ Mixed‑order & one‑stop spare‑parts procurement supported ‑ Professional part‑number matching technical support service

Packaging & Shipping

• Inner shock‑proof protective package to prevent collision damage in transit
• Outer reinforced export carton for long‑distance sea and land transportation
• Multiple shipping selections: sea freight, air freight, international express for small trial orders
• Export documents including Commercial Invoice, Packing List can be provided

Contact Us

If you need more excavator spare parts or other construction machinery replacement components, please send your parts list to us. We will offer our best quotation for you quickly.