The factory turbo oil return pipe on the LB7 Duramax lives in one of the hottest, dirtiest spots under the hood, and it is a known wear point. PPE replaces it with 304 stainless steel tubing that resists corrosion and heat far better than the original, restoring proper turbo drainage without a compromise part.
A corrugated bellow section lets the pipe absorb engine movement and thermal expansion instead of transferring that stress into the connections, and it is what gives the PPE pipe its precise fitment. Installation is OEM-like bolt-on at the factory mounting points, so no cutting or modification is needed on your 2001-2004 Silverado or Sierra.
Features:
- 304 stainless steel construction for strength and corrosion resistance
- Corrugated bellow section ensures precise, stress-free fitment
- OEM-like bolt-on installation with no cutting or modification
- Direct replacement for the factory turbo oil return pipe
- Stainless tubing stands up to underhood heat and road exposure
- Bellow absorbs engine movement and thermal expansion in service
- Designed to work with the OEM turbocharger on LB7 engines
- Raw stainless finish for a clean, factory-correct appearance
Specifications:
- Brand: PPE
- Part Type: Turbo Oil Return Pipe
- Material: 304 Stainless Steel
- Finish: Raw Stainless
- Construction: Stainless Tubing with Corrugated Bellow
- Fitment Type: Direct OEM Replacement
- Installation: OEM-Like Bolt-On
- Turbo Application: OEM Turbocharger
- Engine: 6.6L Duramax LB7
- Fuel Type: Diesel
- Sold As: Each
- Package Weight: 1.3 lbs
- Warranty: 1 Year Limited
Included:
- (1) PPE 304 Stainless Steel Turbo Oil Return Pipe
Fitment:
- 2001-2004 Chevrolet Silverado 2500 6.6L Duramax LB7
- 2001-2004 Chevrolet Silverado 3500 6.6L Duramax LB7
- 2001-2004 GMC Sierra 2500 6.6L Duramax LB7
- 2001-2004 GMC Sierra 3500 6.6L Duramax LB7
Notes:
- 1 Year Warranty
- Fits LB7 engines only
- 2004.5-2010 LLY/LBZ/LMM applications use PPE 116005057