UnderDog Diesel Coolant Bypass Kit - 2011-2016 GM 6.6L LML Duramax
$104.95
Skip to product information
UnderDog Diesel Coolant Bypass Kit - 2011-2016 GM 6.6L LML Duramax
$104.95
UnderDog Diesel Coolant Bypass Kit – 2011-2016 GM 6.6L LML Duramax
The factory coolant routing on the LML Duramax runs coolant through the EGR cooler and other emissions components — a setup that's notorious for causing overheating, coolant contamination, and premature failures. The UnderDog Diesel Coolant Bypass Kit reroutes coolant flow around these problem areas, keeping your temps in check and your cooling system clean.
Why Bypass?
- Eliminates coolant flow through the EGR cooler — a leading cause of coolant loss and overheating on the LML
- Reduces risk of coolant contamination from a failing EGR cooler
- Improves overall cooling system efficiency and reliability
- Straightforward installation with included hardware and instructions
What's Included
- CNC-machined billet aluminum bypass fittings
- High-temp silicone bypass hose(s)
- Stainless steel clamps
- All necessary hardware
- Step-by-step installation instructions
Fitment
- 2011–2016 Chevrolet/GMC 2500HD / 3500HD with 6.6L Duramax LML
Stop letting the factory cooling design work against you. Bypass the problem and run cooler, longer.