PPE 304 Stainless Steel Coolant Reroute Tube For 2004.5-2007 6.6L LLY LBZ Duramax
About this item
If you own a 2004.5-2007 Chevy Silverado or GMC Sierra with the 6.6L Duramax (LLY or LBZ), this PPE coolant reroute tube is a solid upgrade.
It's made from 304 stainless steel, so it's way more durable than the factory bend that tends to fail.
The kit includes the pipe itself plus a new O-ring for a proper seal.
This isn't just a replacement—it's a performance part that improves coolant flow to the heater core, which is especially good if you're pushing your truck hard or using it for racing.
Direct fit for both LLY and LBZ engines, and it comes with a 1-year warranty.
Just a heads-up, there's the standard California Prop 65 warning, but that's pretty common for metal parts.
Keep your Duramax running cool with this polished stainless piece from PPE.
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- Free 30-day returns
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