Shop with Blessed Performance for the Dorman Coolant Bypass Pipe for your 2001-2005 GM 6.6L LB7/LLY Duramax diesel. The Dorman Thermostat Bypass Pipe has improved durability and has been coated to resist corrosion. Maintain the steady flow of coolant and lessen the chances of overheating.
Highlights:
- Direct Replacement
- High Quality Construction
- Replaces OE GM Part#: 97371074