Caterpillar C4.2 Gear Pump Pilot Pump 5179726 for Excavator Engine Spare Parts

Product Details

Product Overview

This high-performance C4.2 Gear Pump Pilot Pump (Part Number: 5179726) is specifically designed for Caterpillar series diesel engines, ensuring reliable hydraulic power for excavator applications. As a critical component in the engine’s hydraulic system, this pilot pump delivers precise oil flow to control valves and actuators. We serve a global clientele, with major markets including North America, Europe, Asia-Pacific, the Middle East, and South America. Our products are shipped to industrial hubs worldwide, including Los Angeles, Rotterdam, Dubai, Singapore, and Shanghai.

Key Features & Benefits

• Precision Engineering: Manufactured to OEM specifications for exact fit and function on Caterpillar C4.2 engines.
• Enhanced Durability: Constructed with high-strength alloy steel and hardened gears to withstand extreme pressures and continuous operation.
• Optimal Hydraulic Performance: Ensures stable pilot pressure for smooth and responsive control of excavator functions.
• Direct Replacement: Designed as a drop-in replacement for the original 5179726 pump, minimizing downtime.
• Rigorous Testing: Each unit undergoes pressure, flow, and leak testing to guarantee reliability in demanding work environments.

Technical Specifications

OEM Cross-Reference

This pump is a direct replacement for the following OEM part numbers:

• 5179726 (Original Caterpillar Part Number)
• Cross-references to similar models used in C4.2 and C4.4 engine families may be available upon request.

Note: Please verify compatibility with your specific engine serial number before ordering.

Compatibility

• Engine Models: Caterpillar C4.2, C4.4 (selected variants)
• Vehicle Applications: Caterpillar 320D, 323D, 325D, 330D Excavators (models using C4.2 or similar engines)
• Year Ranges: Typically 2008-2016 (verify with machine serial number)

Global Supply & Distribution

• Worldwide Shipping: We offer fast, insured shipping to all major ports and industrial centers via DHL, FedEx, UPS, and sea freight.
• Major Markets: North America (USA, Canada, Mexico), Europe (Germany, UK, France, Netherlands), Asia-Pacific (China, Australia, Japan, Singapore), Middle East (UAE, Saudi Arabia, Qatar), and South America (Brazil, Chile).
• Export Experience: Over 10 years of international trade, with full compliance for customs clearance and documentation (commercial invoice, packing list, certificate of origin).
• Fast Delivery: Stock items dispatched within 24 hours; bulk orders shipped within 3-5 business days.

Quality Assurance

• Manufacturing Standards: Produced in ISO 9001:2015 certified facilities, ensuring consistent quality control.
• Testing Procedures: 100% tested for pressure rating, flow rate, and leak resistance before packaging.
• Warranty: 12-month warranty against manufacturing defects. Claims processed within 48 hours.
• Certifications: CE and RoHS compliant for European markets; additional certifications available upon request.

FAQ

Q1: Is this pump a direct replacement for the original Caterpillar 5179726?
A: Yes, this gear pilot pump is manufactured to match OEM specifications exactly. It is designed for direct bolt-on installation without modifications. However, we recommend checking your engine serial number to ensure compatibility with the C4.2 model.

Q2: What are common signs that this pilot pump needs replacement?
A: Symptoms include erratic or slow hydraulic movements, low pilot pressure (below 250 bar), unusual noise from the pump, or visible oil leaks around the pump housing. Regular inspection every 2,000 operating hours is advised.

Q3: Can this pump be used in other Caterpillar engines besides the C4.2?
A: While primarily designed for the C4.2, it may fit certain C4.4 engine variants used in excavators like the 320D2. For non-standard applications, please provide your engine model and serial number for cross-reference verification.