186‑3394 AIR HOSE is a genuine aftercooler outlet air hose designed for CAT D6R II track‑type tractor. Built with textile‑reinforced heat‑resistant rubber, it transfers cooled compressed air to engine intake manifold, improving combustion efficiency and offering reliable anti‑aging performance for construction and mining job‑sites.
Synthetic rubber tube with textile reinforcement, heat resistant, ozone resistant and abrasion resistant outer rubber cover
Condition
Brand New – Genuine
Warranty
6 Months
Packaging
Standard Export Carton
Availability
Generally in stock
Features & Benefits
Genuine CAT aftercooler outlet air hose for D6R II track‑type tractor
Textile‑reinforced rubber structure withstands hot compressed air flow and moderate vibration
Heat‑resistant inner rubber tube adapts to high‑temperature air discharged from aftercooler
Outer rubber cover delivers excellent anti‑ozone, anti‑aging and abrasion‑resistant performance for harsh construction‑site conditions
Optimized pipe diameter ensures smooth transmission of cooled compressed air to engine intake manifold
Reduces engine detonation risk and helps maintain stable combustion efficiency
Flexible construction for easy fitting inside tight engine compartment space
Strict air‑tightness inspection completed before factory shipment
Ready for direct field replacement installation
Compatible Machine This air hose is compatible with:
CAT D6R II Track‑Type Tractor
If you’re unsure whether this air hose matches your machine, simply provide your machine serial number, and our technical team will verify compatibility before shipment.
Applications The 186‑3394 air hose conveys cooled compressed air from aftercooler to engine intake manifold, widely used in heavy‑duty working scenarios:
Open‑pit mining material pushing and stripping work
Large‑scale earth‑moving and land‑grading construction
Quarry site land clearing and bulk‑material handling
Routine engine air intake system maintenance and aged air hose replacement
It guarantees sufficient dense cooling air supply for engine combustion, preventing power drop and engine damage caused by air‑leakage of intake pipeline.
Why Choose YLCM? YLCM specializes in supplying genuine CAT, Komatsu and high‑quality aftermarket spare parts to customers worldwide. We provide:
Genuine CAT original hoses and OEM‑equivalent replacement parts
Strict pre‑shipment quality inspection for every component
Competitive factory‑direct pricing
Fast worldwide delivery
Professional export‑grade packaging
Technical support before and after sales
Extensive export experience serving customers in Russia, Southeast Asia, the Middle East, Africa, and South America
In addition to rubber hoses, we also supply hydraulic parts, undercarriage parts, engine components, electrical parts, filters, and a full range of heavy‑equipment replacement parts.
Packaging & Shipping Every air hose is professionally packed to ensure safe international transportation. Packaging options include:
Moisture‑proof and dust‑proof protective wrapping
Shock‑absorbing padding to avoid squeezing and deformation
Export‑standard solid carton
Sea freight
Railway transportation
Multimodal logistics solutions
Each unit is securely packaged to minimize abrasion, extrusion and deformation risks and ensure arrival in excellent condition.
Request a Quote Looking for the 186‑3394 AIR HOSE for CAT D6R II Track‑Type Tractor? Contact YLCM today to receive:
Latest quotation
Delivery lead time
Packing details
Shipping solution
Technical support
OEM part verification
Our experienced sales team will respond promptly with a competitive quotation and professional service tailored to your project requirements.
Frequently Asked Questions
Q: Is this a genuine CAT part? A: We can supply both genuine CAT original and high‑quality aftermarket versions for 186‑3394, to meet diverse customer needs and budget requirements. Please contact us if you have a specific preference, and we will be happy to assist.
Q: How do I confirm this part is correct for my machine? A: To ensure perfect compatibility, please provide your machine serial number or the original part number to our team. We will verify the match for you promptly.
Q: What is the warranty on this product? A: This product comes with a standard 6‑month warranty against manufacturing defects.
Q: What is the typical shipping time? A: This item is generally in stock. The final lead time will be confirmed when we provide your official quote, based on your destination and shipping method preference.