This rear crankshaft oil seal offers a precision-engineered fit for sealing applications in Case IH and International Harvester engines. Designed to prevent oil leakage and maintain crankcase pressure, it plays a critical role in engine performance and reliability.

Measuring 3.63 inches inner diameter, 4.38 inches outer diameter, and 0.74 inches thick, the seal is made from high-grade elastomer for durability under pressure and temperature fluctuations in engine applications.

Manufactured by Sparex, this component matches OEM part numbers 3072092R91 and 708903R91, ensuring compatibility and trusted performance. It can be paired with front crankshaft seals or full engine overhaul kits for complete restoration or maintenance tasks.

Suitable for a wide range of vintage Case IH models including B275, 444, 424, 384, and 2276, this oil seal is ideal for classic tractor rebuilds and engine service procedures.

Key Features
Rear crankshaft oil seal for classic IH engines
3.63″ x 4.38″ x 0.74″ dimensions for accurate fitment
Resistant to oil, heat, and crankcase pressure
Matches OEM 3072092R91 and 708903R91
Trusted Sparex quality and material specification
Pairs well with Sparex engine overhaul kits
Perfect for: Tractor rebuilds, engine repairs, vintage Case IH service