Upgraded GM LML Heater Inlet Hose (2011–2013)

Description

Fits: 2011 thru 2013 Chevy Silverado/GMC Sierra 2500HD/3500HD LML Duramax Diesel

Restore quiet operation and eliminate unwanted vibrations with this updated heater hose. If you are hearing a vibration, moan or buzz-type noise coming from the passenger side or under the hood, this may be your issue. This noise is often described as coming from the passenger-side front of the engine compartment or the cowl area, and is typically most noticeable when engine RPM is raised between 2300 to 2600 RPM.

This replacement hose corrects the issue by allowing proper orientation and relieving stress at the connection point ensuring a quieter cab and more enjoyable Duramax.

Note:

• GM Service Bulletin

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