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BESTfit 4 X 11.375 Inch Flex Connector Replaces M66-6541-0320 For Kenworth & Peterbilt

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BESTFIT TRUCK PARTS

BESTfit 4 X 11.375 Inch Flex Connector Replaces M66-6541-0320 For Kenworth & Peterbilt

(1 review) Write a Review
SKU:
29-080402
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$199.99
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Description

BESTfit DPF Exhaust Flex Connector Pipe

BESTfit's 4 X 11.375 Inch Flex Connector is the top choice for replacing OE numbers M66-6541-0320 and M66-7091-0320, fitting a wide range of Kenworth and Peterbilt trucks. This 4-inch flange flex connector is crafted in the USA, offering unmatched quality and reliability. Made in the USA and sold individually, it offers an exceptional solution for enhancing the longevity and efficiency of your ride.

* High Quality Flex Connector
* 4 Inch Flange x 4 Inch Flange x 11.375 Inch Compressed
* Sold Individually
* Made In USA
* Warranty On Flex Connectors Against Defects In Workmanship & Material From Date Of Purchase

ATTENTION BUYER: We Make Every Effort To Ensure That Our Parts Are Accurately Sorted For Your Truck Make/Model, But PLEASE CONFIRM OEM PART Number Before You Purchase.

***High Quality Aftermarket Replacement Part (Not OEM)***

* Replaces OE Numbers M66-6541-0320 And M66-7091-0320

Fitment

* Fits Peterbilt 337 2014 thru 2017
* Fits Peterbilt 348 2014 thru 2017
* Fits Peterbilt 357 2007 thru 2007
* Fits Peterbilt 367 2007 thru 2017
* Fits Peterbilt 378 2007 thru 2007
* Fits Peterbilt 379 2007 thru 2007
* Fits Peterbilt 384 2007 thru 2016
* Fits Peterbilt 385 2007 thru 2007
* Fits Peterbilt 386 2007 thru 2016
* Fits Peterbilt 387 2007 thru 2011
* Fits Peterbilt 388 2008 thru 2014
* Fits Peterbilt 389 2008 thru 2017
* Fits Peterbilt 567 2014 thru 2017
* Fits Peterbilt 579 2014 thru 2017
* Fits Peterbilt 587 2011 thru 2017
* Fits Kenworth T2000 2007 thru 2010
* Fits Kenworth T370 2009 thru 2017
* Fits Kenworth T660 2008 thru 2017
* Fits Kenworth T680 2013 thru 2021
* Fits Kenworth T700 2011 thru 2014
* Fits Kenworth T800 2007 thru 2017
* Fits Kenworth T800 Curved Glass 2007 thru 2017
* Fits Kenworth T880 2015 thru 2017
* Fits Kenworth W900B 2007 thru 2017
* Fits Kenworth W900B Aerocab 2007 thru 2017
* Fits Kenworth W900L 2007 thru 2017
* Fits Kenworth W900L Aerocab 2007 thru 2017

Additional Information

Diameter Options:
4 Inch
Truck Class:
Heavy Duty
Location:
Made In USA
Material Options:
Steel
Make:
Kenworth
Make:
Peterbilt
Product Type:
Exhaust
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1 Review

  • 4
    BESTfit 4 X 11.375 Inch Flex Connector Replaces M66-6541-0320 For Kenworth & Peterbilt

    Posted by Confirmed Buyer on 18th Aug 2019

    The piece fit truck as stated. The welds at both ends could've been nicer but all n all it's doing it's job.

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Buying the Right Part:  To the best of our knowledge, all application information and photos are accurate.  There can be application errors from manufacturers and technical support from time to time.  Therefore, we recommend you do the following to insure you order the correct parts:


1)    Make sure ALL the vehicle information you provide is correct
2)    Feel free to contact one of our Customer Service team members to clarify what you are wanting to order
3)    Compare web photos with your old part
4)    When the part arrives, compare it to the old part prior to installation


Four State Trucks assumes no liability related to product use and fitment.  Buyers are solely responsible to insure that product use and fitment is consistent with their truck or application. 

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