2003/08/01 Caterpillar

Caterpillar Products:

3500 Family Generator Sets and Power Modules

G3500 Family Generator Sets and Power Modules

Engine: Commercial

3500 Family All

G3500 Family All

Engine News SEBD9277, October 1999, "New High Temperature Locknut Used In Engine Exhaust System Groups". Disregard this article. Refer to the following article.

Description of Change: The current high temperature locknut is being replaced by the locknut that was previously used. The previous locknut is more resistant to becoming deformed or loose under extreme heat. The locknut is used in parts groups that are related to the exhaust system on the 3500 and 3500B Engines. The locknut is used in the engines that are listed above.

Adaptable To: The 2N-2766 Locknut is a direct replacement for the 168-7800 Locknut in following parts groups:

• Air lines groups

• Exhaust bypass groups

• Exhaust manifold groups

• Turbocharger groups