Dorman Coolant Reservoir

2001 - 2004 6.6L GM Duramax LB7
2004.5 - 2005 6.6L GM Duramax LLY
2006 - 2007 6.6L GM Duramax LLY / LBZ

by Dorman
$93.00
SKU NWD-603-125

603-125

Over time coolant reservoirs become susceptible to heat and engine vibration and eventually crack and leak. Dorman Coolant Reservoirs are manufactured with premium plastic to withstand the effects of stress generated within the engine compartment.

Our coolant reservoirs are thoroughly tested to ensure a trouble-free performance and long-lasting quality year after year.

  • Features
  • Videos
  • Instructions
  • Vehicle Fitment
  • Direct replacement for a proper fit every time
  • Comes with reservoir cap
  • Level sensor included (where applicable)
  • Quality tested to ensure trouble-free installation and performance
  • GM OE Part# 15085725, 15808714
  • Non-Direct Cross GM Part# 15075118
Year
Make
Engine

2001 - 2004

GM Duramax

6.6L LB7

2004.5 - 2005

GM Duramax

6.6L LLY

2006- 2007

GM Duramax

6.6L LLY / LBZ