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This is a permanent fix for those pesky vacuum lines prone to failure on your 1994-2002 12v and 24v Cummins trucks! It replaces the factory main vacuum line from the vacuum pump up to the manifold on the firewall and also reroutes the main hvac feed line for all of the blendoors. If your truck is stuck on defrost, it’s almost always due to a break in the hvac box feed line! I’ve put together this kit to be as easy and effective as possible and just about anyone can install it in 10 minutes or less!
This is a permanent fix for those pesky vacuum lines prone to failure on your 1994-2002 12v and 24v Cummins trucks! It replaces the factory main vacuum line from the vacuum pump up to the manifold on the firewall and also reroutes the main hvac feed line for all of the blendoors. If your truck is stuck on defrost, it’s almost always due to a break in the hvac box feed line! I’ve put together this kit to be as easy and effective as possible and just about anyone can install it in 10 minutes or less!