Mopar Performance 68237720AA Drive Pinion Seal for Rear Differential

The Mopar Performance 68237720AA is a genuine OEM drive pinion seal designed for rear differential applications. This critical seal prevents gear oil leakage from the pinion shaft area of the rear axle assembly, maintaining proper lubrication and protecting differential components from contamination.

Key Specifications:

• Pinion seal outer diameter: 109.2mm
• Position: Rear differential
• Replaces part number: 68454740AA
• Direct OEM replacement

Features and Benefits:

• Genuine Mopar quality ensures precise fit and durability
• Manufactured to strict factory specifications
• Designed for heavy-duty applications including 6.7L Cummins turbo diesel engines
• Compatible with various axle ratios (3.42, 3.73, 4.10, 4.44, 5.13)
• Works with conventional, anti-spin, and electronic locking differentials

This seal is an essential maintenance component for preventing costly differential damage due to oil loss. Professional installation is recommended, and a 1-9/16" twelve-point socket is required for proper installation.