I ordered this part on a Sunday, as well as the 400 dollar radiator hose kit. And some other items that were actually spec’d wrong because of the ai chat bot. Hours before they opened on Monday morning I emailed requesting my shipment be put on hold until the parts got straightened out because I realized they were wrong. That day at lunch I got an email saying the bypass tube was on back order for 6 weeks. So I replied immediately to have my order cancelled. I could not wait 6 weeks. I knew they would ship half the order just to make a sale on the items they had in stock. Tuesday afternoon after wasting two business days, I got an email saying my radiator hoses and other 3 items that were sourced incorrectly were shipped. Go figure. Oh but don’t worry, we added extra stickers in there to smooth things over. Two years ago I ordered the PPE stainless steel coolant return pipe and they shipped me the wrong item. I was down for 3 weeks because I had to send it back. They had to receive it before they would send the proper part. Luckily when I spent 7k on injectors and lift pumps I bought it all through the dmaxstore. I will never order here again.
2001-2010 Duramax Coolant Bypass Tube (119000XXX)
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Description
Description
Fits
| Year | Make | Model | Engine |
| 2001-2005 | GMC/Chevrolet | 2500/3500HD | 6.6L Duramax |
| 2006-2010 | GMC/Chevrolet | 2500/3500HD | 6.6L Duramax |
While the OEM mild steel pipe rusts and eventually leaks, this PPE fully polished 304 stainless steel construction looks great, prevents corrosion, & designed for use with the factory water pump.
Part Number: 119000XXX
Features
Features
- Raw/Fully-polished 304 stainless steel
- CNC machined tube end
- Comes with two Viton O-rings
Questions and Answers
Questions and Answers
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2001-2010 Duramax Coolant Bypass Tube (119000XXX)



