1-11740181-1engine Part Air Breather 4hk1 6hk1 6uz1 Egnine Air Breather 1117401811

Product Details

Product Overview

This is a high-quality Air Breather, identified by the OEM part number 1-11740181-1 (also referenced as 1117401811). Designed to meet the stringent requirements of heavy-duty diesel engines, this component is a critical part of the engine’s crankcase ventilation system. It is commonly used for Isuzu industrial engines, specifically the 4HK1 and 6HK1 series, which are widely deployed in excavators, trucks, and other construction machinery.

The primary function of the air breather is to filter incoming air as the engine draws in fresh air to replace crankcase gases. By ensuring a clean air supply, this part helps maintain proper internal pressure, reduce oil contamination, and extend the service life of your engine. Sourced as a genuine component, this part guarantees a precise fit and reliable performance for your equipment.

Key Features & Benefits

• OEM Specification Fitment: Manufactured to the exact specifications of the original part (1-11740181-1), ensuring a direct bolt-on replacement without modifications.
• Enhanced Engine Protection: Effectively filters dust and debris from the air entering the crankcase, reducing wear on internal components like piston rings and bearings.
• Improved Crankcase Ventilation: Maintains optimal pressure within the engine, preventing oil leaks from seals and gaskets.
• Long-Lasting Durability: Built with high-grade materials to withstand the high temperatures and vibrations common in excavator and truck engines.
• Reduced Downtime: A reliable replacement part that helps keep your heavy machinery operational, minimizing costly service interruptions.
• Wide Compatibility: Specifically designed for the 4HK1 and 6HK1 engine families, making it a versatile stock item for fleet maintenance.

Technical Specifications

OEM Cross-Reference

This part is a direct replacement for the following OEM and reference numbers. Please verify your existing part number before purchasing.

• Primary OEM Number: 1-11740181-1
• Alternate Number: 1117401811

Compatibility

This air breather is specifically designed for use with the following engine series. Fitment is commonly verified for these applications:

• Engine Models: Isuzu 4HK1, Isuzu 6HK1, Isuzu 6UZ1
• Common Applications: Excavators, Wheel Loaders, Dump Trucks, and other heavy construction equipment utilizing these engine platforms.

Note: While this part is standard for the listed engines, we recommend confirming your specific engine serial number for absolute compatibility.

Global Supply & Distribution

We specialize in the global export of genuine and high-quality aftermarket engine parts. Our logistics network ensures efficient delivery to major ports and industrial centers worldwide.

• Major Markets Served: North America, Europe (EU), Asia-Pacific, Middle East (GCC), Africa, and South America.
• Shipping Capabilities: We offer fast and reliable shipping via sea freight (FCL/LCL), air freight, and express courier services (DHL, FedEx, UPS) based on your urgency and budget.
• Customs & Compliance: We have extensive experience in international trade documentation and customs clearance for automotive parts, ensuring a smooth transaction for our B2B partners.

Quality Assurance

We prioritize the quality and reliability of every component we supply. This part is sourced from a reputable Japanese supply chain, ensuring it meets the high manufacturing standards required for heavy-duty industrial engines.

• Product Condition: Genuine, brand-new part.
• Warranty: Backed by a 3-month warranty against manufacturing defects.
• After-Warranty Service: We provide video technical support to assist with installation and troubleshooting, ensuring your satisfaction even after the warranty period.

FAQ

Q1: How can I confirm this air breather will fit my 4HK1 engine?
A: We recommend physically comparing your old part to the images and dimensions provided. The OEM number 1-11740181-1 is the standard fitment for the 4HK1 series. For absolute certainty, please check the part number stamped on your existing breather or consult your engine’s parts manual.

Q2: What are the signs of a failing engine air breather?
A: Common symptoms include visible oil leaks around the valve cover or breather tube, excessive crankcase pressure (blow-by), a drop in engine performance, or a clogged air filter. A faulty breather can also cause oil to be pushed out of the dipstick tube. Replacing it promptly prevents further engine damage.

Q3: How often should this air breather be replaced?
A: While not a standard wear item like oil filters, the air breather should be inspected during regular engine service. It is often replaced when performing top-end overhauls or if you notice any of the symptoms mentioned above. For heavy machinery working in dusty environments, more frequent inspection is recommended.