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2011-2016 LML Duramax Coolant Bypass Kit with Plug

-Pre-formed Coolant Hose with GM Quick Connect Fitting
-Billet Aluminum Coolant Plug with O-Ring
Pricing: $79.95



2011-2016 LML Duramax Coolant Bypass Kit. Preformed rubber hose routes coolant from thermostat housing to firewall/heater core connection with pre-installed GM quick connect fitting. Billet aluminum anodized plug installs into rear engine cover coolant port, allowing removal of the OEM coolant hard pipe


NOTE: This hose assembly and billet plug is a standard item included in all WCFab Y-bridge Kits, Bundle Kits, Single, and Twin Turbo Kits.


Shipping Information

  • Item Requires Shipping
  • 5.0 lbs.
  • W8.0000” x H8.0000” x L8.0000”
  • This item ships in its own box.

Customer Reviews

Comment Total Reviews (1)

Clean install
  • Currently 5/5 Stars

Reviewed by: Stacy 05/09/2019 03:00PM

Product ownership: Less than 3 months

Purchased from: Wehrli Custom Fabrication

Reduces the amount of coolant reroute hose, quick connect to firewall is worth the price.

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