Rear Oil Seal 198636170 156-6973 For Perkins 403D-15 403D-15T 403C-15 103-15

Rear Oil Seal 198636170 156-6973 for Perkins

The Rear Oil Seal 198636170 / 156-6973 is a replacement crankshaft rear oil seal for Perkins 403D-15, 403D-15T, 403C-15, and 103-15 diesel engines, preventing oil leaks at the rear main bearing; OEM cross-reference numbers 198636170 and 156-6973.

Overview

The Rear Oil Seal 198636170/156-6973 is a high-quality replacement seal designed to stop oil leaks from the rear of the crankshaft on Perkins diesel engines. It fits 403D-15, 403D-15T, 403C-15, and 103-15 models, restoring engine reliability. This rear oil seal is an essential component for maintaining proper engine oil pressure and cleanliness.

Built For Performance

• Nitrile rubber sealing lip for excellent oil resistance
• Metal outer case for secure press-fit installation
• Precision molded lip geometry for long service life
• Direct replacement for OEM part numbers 198636170 and 156-6973
• Engineered for high-temperature operating environments

Fits These Machines

• for Perkins 403D-15 engine
• for Perkins 403D-15T engine
• for Perkins 403C-15 engine
• for Perkins 103-15 engine

On-The-Job Use

• Agricultural tractors and harvesters
• Industrial generator sets
• Construction equipment like compact excavators
• Material handling equipment
• Marine auxiliary engines

Specs At A Glance

Good To Know

Q: Is this seal compatible with the Perkins 403D-15T turbocharged engine? A: Yes, it fits both naturally aspirated and turbocharged 403D-15 variants as well as the 403C-15 and 103-15 models.

Q: Do I need any special tools to install this rear oil seal? A: A seal driver or socket of the correct diameter is recommended to press the seal evenly without damaging the lip.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.