165x186x28mm Rear Wheel Oil Seal | Brown NBR Oil & Heavy Duty Truck Seal

This 165×186×28mm TC-type rear wheel oil seal is a high-performance aftermarket sealing solution for heavy duty commercial truck rear wheel and axle systems, serving global distributors, fleet operators and professional repair workshops.

It adopts a fully rubber-covered steel skeleton structure with precision-machined sealing lip and integrated high-carbon steel garter spring, maintaining stable radial preload even under heavy-load road vibration and impact. It effectively retains rear hub gear oil and bearing grease inside the assembly, and blocks road dust, mud, grit and splash water from invading the bearing chamber to extend the service life of wheel hub bearings.

We maintain sufficient finished goods inventory to support fast delivery and large-volume procurement, serving worldwide aftermarket truck parts channels.

Core value for buyers

• Factory direct pricing with no intermediate markup, cost-effective for bulk procurement

• Stable stock supply, supports urgent orders and regular scheduled replenishment

• Consistent batch quality, matches original equipment sealing performance

Features & Benefits

• Factory direct sales with competitive bulk pricing, no middleman markup, cost-effective for large-scale procurement

• Stable in-stock inventory, supports fast delivery and urgent order fulfillment for truck maintenance

• Premium NBR nitrile rubber material, excellent resistance to gear oil and wear, long service life in heavy truck chassis environment

• TC double-lip structure, delivers dual effects of oil retention and dust/mud protection, suitable for complex road conditions

• Flexible customization services including private label and custom packaging, suitable for distributors and aftermarket brands

• Standard trade terms and full export document support, convenient for cross-border procurement

Material & Process

• Material：Premium grade brown NBR nitrile rubber, carbon steel garter spring, steel reinforcement skeleton
• Structure：TC type double-lip fully rubber-covered rotary shaft skeleton oil seal
• Hardness：70±5 Shore A
• Key performance：Oil resistant, wear resistant, mud-proof, anti-vibration, anti-aging
  Working temperature range: -30℃ ~ +120℃

Manufacturing process

• Integrated vulcanization molding, firm bonding between rubber and skeleton

• Precision grinding of sealing lip edge, uniform contact pressure with wheel shaft

• Full dimensional inspection for each production batch before shipment

• Strict quality control per commercial vehicle aftermarket part standards

• Upgrade option：FKM fluoro-rubber version available for higher temperature and heavy-load working conditions

Packaging & Delivery

• Inner packaging：Each piece individually packed in anti-dust poly bag to protect the sealing lip from scratches and contamination.

• Outer packaging：Standard export corrugated carton with shock-proof padding. Custom packaging with private label available.

• Packing quantity：Adjustable per bulk order requirements.

• MOQ and lead time：In stock: ships in 1 to 2 days. Not in stock but still in current production: 10 to 15 days. Not in stock and not in production: 25 to 30 days.

Lead time

• In stock: ships in 1 to 2 days.
• Not in stock but still in current production: 10 to 15 days.
• Not in stock and not in production: 25 to 30 days.
• Custom services：OEM private label printing, custom packaging design, consolidated shipping for mixed SKUs
• Shipping terms：EXW, FOB, CIF available
• Export documents：Commercial invoice, packing list, certificate of origin, dimensional test report available on request