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Oil Seal Seat Ring OE 3104075-NB03S For Dongfeng DANA AXLE & Dongfeng KC Truck Parts

 This OEM oil seal seat ring (OE 3104075-NB03S) is an important hub sealing retainer built for Dongfeng DANA AXLE and Dongfeng KC heavy-duty trucks. It is precision-machined with smooth surface to hold the oil seal firmly, blocking lubricant leakage and dust intrusion. Manufactured to DFCV factory standards, every ring undergoes dimensional tolerance and surface finish inspection to ensure perfect sealing coordination. It is widely stocked by truck service centers for wheel hub overhaul and sealing system maintenance of Dongfeng KC vehicles. 


PRODUCT DESCRIPTION

01

Precision Machined Surface & Stable Sealing Support

This oil seal seat ring OE 3104075-NB03S features high-precision machining. It secures the oil seal steadily on Dongfeng DANA AXLE and Dongfeng KC hub, resisting abrasion and maintaining stable sealing performance.


02

Stop Hub Oil Leakage & Dust Contamination

A deformed or worn oil seal seat ring will cause oil seal offset, gear oil leakage and dirt entering the axle hub of Dongfeng KC trucks. Our genuine seat ring matches original size to restore tight sealing and protect axle bearings.


03

OEM Drawing Standard & Strict Dimension Inspection

Our Dongfeng DANA AXLE oil seal seat ring strictly complies with DFCV specification with part number 3104075-NB03S. Each product is checked for flatness and tolerance, fully interchangeable with original Dongfeng KC axle spare parts.


04

Plug-and-Play Fit & Global Bulk Supply

This oil seal seat ring requires no modification during installation for Dongfeng DANA AXLE and Dongfeng KC. We maintain sufficient inventory for repair shops, fleets and overseas dealers. Contact us for competitive wholesale price of Dongfeng KC sealing parts.


TECHNICAL SUPPORT

1. Accessories selection consultation

- Provide ** intelligent selection tools ** (such as parts matching query system), input the vehicle model VIN code or engine model to match the corresponding parts number, reducing the selection error rate.


The technical team is available online 7×12 hours to answer technical questions about accessories (such as material compatibility and installation processes).


2. Customized development support

We offer specialized R&D services for special market demands (such as heat dissipation accessories for high-temperature regions in the Middle East and dedicated suspension components for road conditions in Africa), and complete sample delivery within six weeks.


3. Training and Technical materials

Provide remote/on-site training for the customer's after-sales team (such as diagnosis of electrical control accessories and DPF regeneration operation), along with multilingual versions of the "Accessories Installation Manual" and "Troubleshooting Guide".


4. Quality Traceability and Improvement

Through the QR code traceability system (one product, one code), track the production batch of accessories and the source of raw materials, respond quickly to quality complaints and initiate improvement processes.

AFTER-SALES AND LOGISTICS SUPPORT

After-sales service

After-sales service

Quality Assurance Policy


-The warranty period for original factory parts is 12 months (counting from the date of signature for receipt), covering material defects, process issues, and man-made damage.


- Provide "Localized Express repair Service" : Cooperate with third-party repair networks in markets such as Southeast Asia and the Middle East, and deliver emergency parts to designated repair points within 4 hours.


Return and Exchange Process


-The customer is required to submit the test report (such as a third-party appraisal) within the warranty period. After confirmation by Dongfeng, a reissue or refund will be arranged within 5 working days.

Logistics support

Logistics support

Warehouse Layout


-Five major regional accessory centers have been established globally (Southeast Asia, the Middle East, Africa, South America, and Europe) to achieve "next-day delivery" for mainstream accessories (covering customers within the regions).


Emergency Logistics Plan


-Emergency parts can be directly delivered within 48 hours via the "Dongfeng Exclusive Aviation Special Line" (such as engine ECU, brake valves and other key components).


Packaging Optimization

-Use shockproof and moisture-proof packaging (such as honeycomb cartons + pearl cotton), and reinforce fragile parts (such as glass, sensors), keeping the damage rate within 0.5%.