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Illustrative photo — the delivered item may differ in appearance. Orders are fulfilled by catalog part number (SKU).

Rectangular Ring Seal Cummins 3915772 | 3914092, 3906693, J915772, J914092, J906693, 121266

Manufacturer: Cummins
Part#: 3915772-EN
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Prevent oil leaks and maintain optimal engine timing with this high-quality rectangular ring seal for Cummins B-Series engines. Engineered for a precise fit on the timing pin housing to ensure reliable, long-lasting performance.

Description

Reliable Leak Prevention for Cummins Engines

The Cummins 3915772 rectangular ring seal is a critical sealing component designed specifically for the timing pin housing on Cummins B-series diesel engines. Over time, heat and vibration can degrade factory seals, leading to oil leaks and potential timing inaccuracies. This high-quality replacement seal restores a tight, leak-free connection to keep your engine running efficiently.

Key Features & Benefits

  • Precise Fitment: Engineered to match the exact dimensions of the timing pin housing for a secure, hassle-free installation.
  • Durable Construction: Manufactured from premium elastomeric materials designed to withstand extreme engine temperatures and resist degradation from oil and fluids.
  • Leak Prevention: Its rectangular profile provides a superior sealing surface compared to standard round O-rings, effectively preventing oil seepage.

Engine Compatibility

This rectangular sealing ring is compatible with a wide range of heavy-duty applications, including:

  • Cummins 4BT 3.9L Engines
  • Cummins 6BT 5.9L Engines (including 12-valve Dodge Ram applications from 1989-1998)

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