YNF17483 124411-01780 AH3983E Rear Seal – Crankshaft Rear Oil Seal

The YNF17483 Rear Seal (OEM reference 124411-01780 / AH3983E) is designed for use as a crankshaft rear oil seal in heavy-duty engines and machinery. It provides a reliable barrier to prevent oil leakage from the rear end of the crankshaft, ensuring engine lubrication integrity. Manufactured with high-quality elastomer materials and reinforced sealing lips, this rear seal maintains durability and flexibility under high temperatures and pressure.

• OEM replacement for engines using 124411-01780 / AH3983E

• High-quality elastomer material for long-lasting flexibility and sealing

• Designed to prevent oil leakage at the crankshaft rear end

• Heat-resistant and pressure-resistant for heavy-duty engine applications

• Reinforced lip design ensures stable sealing performance

• Maintains engine lubrication and reduces contamination risk

• Easy installation with standard tools and OEM fit

• Durable under continuous operation and high RPM

Used as a crankshaft rear oil seal in engines requiring AH3983E / 124411-01780, ensuring proper lubrication and preventing oil leakage from the rear of the crankshaft.

We provide part verification, installation guidance, maintenance recommendations, and technical support to ensure proper engine sealing and performance.

Each rear seal is individually wrapped in protective packaging, coated with anti-rust oil, and shipped in reinforced cartons to prevent deformation or damage during transport.

1. Which engines use this rear seal?
Engines requiring OEM 124411-01780 / AH3983E.

2. What type of seal is this?
It is a crankshaft rear oil seal.

3. What material is the seal made of?
High-quality elastomer with reinforced sealing lips.

4. Can it withstand high temperature and pressure?
Yes, designed for heavy-duty engine applications.

5. How do I install this seal?
Install following OEM procedures using standard tools, ensuring correct orientation.

6. What are the benefits of replacing a worn rear seal?
Prevents oil leakage, maintains engine lubrication, and reduces contamination risk.