Check a VIN

September 5, 2026 Service bulletin

An exhaust manifold slip joint seal kit is now available for EPA 2017-2024 PACCAR MX-13 engines.

Kenworth technical service bulletin E343 for 2017-2027 Kenworth T680, 2017-2027 Peterbilt 579 and 2017-2025 Peterbilt 389 and others.

Bulletin number
E343
Component
Engine
Summary
An exhaust manifold slip joint seal kit is now available for EPA 2017-2024 PACCAR MX-13 engines.

Owners of these vehicles have filed 8 complaints in the engine category.

Vehicles covered

VIN decoder

See the problems and recalls for an exact car

Buying a used Kenworth T680?

Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.

Check its history