6BT 6B5.9 Diesel Engine Spare Parts Engine Filler Cap 3901895

Keywords: 3901895 engine filler cap, 6BT oil filler cap, 6B5.9 engine filler cap, diesel engine spare parts, excavator engine parts, engine oil filling cap

Product Overview

This engine filler cap 3901895 is designed for 6BT and 6B5.9 series diesel engines. It is installed on the engine oil filling port, used to seal the oil inlet, prevent oil splashing, dust and impurities entering the crankcase. It is an essential small replacement spare part for engine daily maintenance and overhaul.

Detailed Specifications

Key Features & Advantages

• High-strength main body material, good resistance to engine oil and high temperature.
• Built-in rubber sealing ring, reliable sealing effect to avoid oil leakage and dust ingress.
• Thread precision machining, smooth screwing, easy to install and remove.
• Strong aging resistance, stable performance under long-time high temperature working environment.
• Strict dimensional inspection, perfectly match the original oil filler port.
• Compact structure, lightweight and durable for long service life.
• Fully consistent with OEM standards, direct replacement without modification.
• Effectively protect engine internal lubrication system from contamination.
• Ideal spare part for routine engine maintenance and repair.

Application Scope

• Suitable for excavators, heavy duty trucks, generator sets equipped with 6BT and 6B5.9 diesel engines
• Used for replacing aging or damaged oil filler cap during engine maintenance
• Widely adopted in construction machinery, commercial vehicles and mobile power station
• Fit for repair shops, engine rebuilding factory and fleet maintenance overhaul projects
• Small but critical spare parts to keep engine lubrication system clean and sealed
• Applicable for logistics transportation vehicles and heavy-load engineering equipment

Our Company Advantage

• Strict quality inspection before delivery to guarantee product quality.
• Support customized orders and small batch trial orders, offer competitive factory price and fast reply for your inquiry.
• Complete product catalogue covering multiple engine models, one-stop purchasing service for various spare parts.
• Rich export experience, familiar with international trade requirements for construction machinery parts.
• Provide professional technical support and part number confirmation service for customers.
• Support multiple payment terms to meet different overseas buyers’ requirements.
• Adequate inventory for most common engine spare parts to shorten lead time.
• Provide after-sales follow-up service and product usage guidance for all orders.

Packaging & Shipping

• Packed with independent plastic inner packaging and export carton box to avoid scratch and damage during transportation.
• We can ship goods by sea, air or international express according to customer requirements. Fast delivery time after receiving deposit.
• Label customization service is available, we can print your brand logo and part number on package.
• Reinforced carton packaging for engine parts to prevent damage in long-distance transport.
• Provide packing list and commercial invoice for smooth customs clearance.
• Support mixed container loading for multiple spare parts combined orders.
• Professional packaging team ensures neat packaging and complete part classification.

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.