84x161x17.8/20.6mm Axle Halfshaft Oil Seal, NBR Brown, OE 3104055A377, Truck Repair Replacement Seal

This aftermarket 84x161x17.8/20.6mm TC‑type flange axle halfshaft oil seal corresponds to OE number 3104055A377. Constructed from brown NBR rubber and reinforced metal flange shell for stable press‑fit installation on heavy‑duty truck halfshaft assembly.

Double‑lip structure with garter spring maintains stable radial pressure on rotating halfshaft. It retains axle lubricating grease inside hub housing and stops dust, mud and splash‑water invading axle assembly. Suitable for heavy‑duty truck repair service, auto‑parts wholesalers, repair workshops and overseas bulk procurement.

Core functions

• Grease retention：Prevent axle hub grease leakage under truck driving vibration and shock load
• Dust & mud exclusion: Resist sand, mud and splash‑water contamination for poor road conditions
• Reinforced flange metal shell: Anti‑rust and reliable interference fit for axle housing bore
• Garter‑spring pre‑load: Consistent sealing performance under frequent vibration and temperature fluctuation

Features & Benefits

• TC‑type reinforced flange metal shell, stable interference fit for heavy‑duty truck axle housing installation.

• Brown NBR double‑lip plus garter‑spring pre‑load design, retains axle grease and blocks mud, splash‑water and road dust.

• Strict dimensional tolerance control, direct aftermarket replacement matches OE 3104055A377.

• Brand‑new finished product, reliable sealing performance for heavy‑duty truck axle halfshaft repair.

• OEM private‑label service available for overseas auto‑parts distributors.

• Precision vulcanization craft, firm rubber‑metal bonding, excellent anti‑vibration performance for heavy truck condition.

• FKM fluoro‑rubber upgrade option available for severe high‑temperature working conditions.

Material & Process

• Material：Brown NBR nitrile rubber sealing lip, anti‑rust painted carbon‑steel flange shell, stainless steel garter spring
• Structure：TC‑type double‑lip flange rotary shaft oil seal
• Key properties：Oil‑resistant, dust‑proof, vibration‑resistant, anti‑aging
  Working temperature:‑20℃ ~ +120℃

Manufacturing features

• High‑temperature vulcanization bonding between rubber lip and metal flange shell, resist delamination under heavy truck vibration.

• Precision‑ground sealing lip reduces friction heat and extends service‑life.

• Anti‑rust painted flange shell adapts to harsh heavy‑duty truck working environment.

• Brown NBR compound compatible with truck axle hub grease and gear oil.

• Upgrade option：FKM fluoro‑rubber version for higher‑temperature working environment.

Packaging & Delivery

• Inner package：Individual anti‑dust poly bag for each unit to protect sealing lip from scratch.

• Outer package：Reinforced export carton.

• Packing quantity：Adjustable per order requirement.

• 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.

• Custom options：Custom logo printing available.
  Shipping protection: Moisture‑proof, dust‑proof and compression‑resistant packing to prevent seal deformation during transit.