The DHD Ultimate Leak Free Line Kit replaces your damaged or leaking Duramax transmission cooler lines and power steering lines with the industries most comprehensive, trouble free, high quality line sets available. DHD's stainless flex line kits are the ONLY guaranteed leak-proof option available in the aftermarket.
This kit will work on all 2006-2010 Allison 6-Speed Transmissions and is a direct bolt-on that will utilize factory mounting clips and retainers. Installation is simple. Just remove your leaking factory hard lines, and replace with our DHD hardcore hooker line kit.
Note: The power steering pump noise output will increase slightly with our upgrade kit. The OEM lines deaden the sound output from the stock power steering pump due to the weak expandable stock rubber. The braided stainless steel lines that we use in our kits are more rigid than factory and dont expand under pressure. The result is not being able to muffle the power steering pump noise output as effective as OEM.
Replaces Trans Hoses:
GM 20835123, 20835127, 20835125
Replaces Power Steering Hoses:
GM 20930009 & GM 15295841
AcDelco 36-365453 & 36-358980
Edelman 92083 & 80337
CarQuest 35898 & 37157
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