120x140x12mm TC‑Type Oil Seal OEM 0139971447, Brown NBR Oil‑Resistant Wear‑Resistant Automotive Spare Parts

This TC‑type fully rubber‑covered skeleton oil seal dimension 120×140×12 mm with OEM cross‑number 0139971447 is high‑quality aftermarket replacement part for heavy‑duty commercial vehicle rotary shaft.

Constructed with brown NBR rubber and built‑in garter spring, features good oil‑resistant and wear‑resistant properties. Effectively retain gear‑oil inside shaft assembly, avoid oil leakage under vibration during operation. Block dust, sand and splash‑water from entering internal components. Widely applied in vehicle repair workshops, domestic auto‑parts wholesale and cross‑border automotive‑parts export business.

Core functions

• Prevent gear‑oil leakage under heavy‑load driving vibration
• Isolate shaft assembly from dust, grit and splash‑water contamination
• TC fully rubber‑covered design for stable press‑fit installation into housing bore
• Reliable long‑term sealing performance for commercial vehicle powertrain components

Features & Benefits

• TC fully rubber‑covered skeleton structure, stable interference press‑fit for shaft housing bore.
• Brown NBR material with good oil‑resistant and wear‑resistant performance, fitted with garter‑spring pre‑load design.
• Strict dimensional tolerance control, direct aftermarket replacement matches OEM 0139971447 for heavy‑duty commercial‑vehicle shaft.
• Brand‑new high‑quality automotive spare part, durable sealing performance for powertrain working conditions.
• Adequate in‑stock supply, support sample trial, small‑batch retail and large‑volume export wholesale.
• OEM private‑label service available for overseas auto‑parts distributors.
• Integrated rubber structure brings good shock‑absorbing and anti‑vibration performance.
• FKM fluoro‑rubber upgrade option available for severe high‑temperature heavy‑load working scenarios.

Material & Process

• Material：Brown NBR nitrile rubber, garter spring
• Structure：TC type fully rubber‑covered rotary shaft skeleton oil seal
• Key properties：Oil‑resistant, wear‑resistant, dust‑proof, anti‑vibration, anti‑aging
  Working temperature:‑20℃ ~ +120℃

Manufacturing features

• Integrated fully rubber‑covered structure, stable performance under chassis bumping vibration.

• Precision‑machined sealing lip with garter spring maintains stable radial pre‑load pressure.

• NBR compound offers good compatibility with commercial‑vehicle gear‑oil.

• Upgrade option：FKM fluoro‑rubber variant for higher‑temperature heavy‑load working scenarios.

Packaging & Delivery

• Inner package：Individual anti‑dust poly bag for each piece to protect sealing lip from scratch.
• Outer package：Reinforced export carton.
• Packing quantity：Adjustable per purchase 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.
  Shipping protection: Moisture‑proof, dust‑proof and anti‑collision packing to prevent deformation during transit.