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  • M66-6541-0320 Peterbilt Flared Bellow Flex Pipe EBPB11861
  • M66-6541-0320 Peterbilt Flared Bellow Flex Pipe EBPB11861
  • KW-PB-6541-0320 M66-6541-0320 Peterbilt Flared Bellow Flex Pipe EBPB11861
Grand Rock

M66-6541-0320 Flared Bellow Flex Pipe EBPB11861 for T800

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OEM PRICE $446.00
YOUR PRICE $279.00
— You save $167.00


EBPB11861 or M66-6541-0320 4" X 11 3/8" Peterbilt Flared Bellow Flex Pipe



DPF Flex Connector for Kenworth and Peterbilt Models 2008 & Newer.

4” Flange x 4” Flange x 11 3/8” Compressed

Replaces OEM Numbers:



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Warranty Information

Grand Rock 1-Year Warranty

This product is covered by a 1-year warranty from the date of purchase.

In the rare event that a product does not perform as expected, Grand Rock warrants its products against failure due to defects in materials and workmanship for the period specified under Terms and Conditions for the particular part. Grand RockÂ’s obligation under this warranty covers replacement of the failed part, including transportation charges. Grand Rock is not responsible for labor costs. Please note that, due to the higher heat output of Emissions Components, Grand Rock cannot warrant the Chrome Plating for any item installed on any truck made after 2007.

The Length of Warranty for replacement parts provided under warranty coverage is the balance of the warranty period re­maining on the part being replaced. It is important that the customer handles, stores, and installs all products properly. This warranty does not cover failure due to misapplication, misuse, abuse, neglect, rust through and corrosion (muffler), im­proper service practices or non-approved modification. If you have any questions about proper handling, storing or installation do not hesitate to contact Grand Rock.

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