Usage:
All D346, D348, D349 Engines
- SUPPLEMENT: 05/00/87
ENGINE NEWS, SEPTEMBER, 1985, PAGE 5, "New Precombustion Chamber Seal Available".
Put a mark through this article and refer to the article with the same title in this issue.
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Description of Change: A new seal is available for use on the precombustion chambers in the above engines. The former seal could allow coolant leakage into the lubrication oil system in some high heat applications. The new seal is made from a different material that resists high temperature better. The new seal will give improved service life in high temperature applications.
Adaptable As: The new 2N5749 Seal can be used as a direct replacement for the former 8S4190 Seal in the above engines.
Location of new 2N5749 Seal.