Product Description
MAHLE B32478 Turbo Inlet Gasket is an OE-style replacement that seals the turbocharger inlet (turbo to inlet tube/throttle body) on 2001–2004 GM 6.6L Duramax LB7 trucks. Built to factory specifications for a reliable, leak-free seal. Sold individually.
- Application: 2001–2004 LB7 Duramax (Chevrolet Silverado/GMC Sierra 2500HD/3500)
- Construction: Paper/fiber gasket
- Warranty: 1-Year Limited
- UPC/GTIN: 027067875235
Fitment
- 2001, 2002, 2003, 2004 Chevrolet Silverado 2500HD/3500 – 6.6L Duramax LB7
- 2001, 2002, 2003, 2004 GMC Sierra 2500HD/3500 – 6.6L Duramax LB7
Cross Reference Numbers
- GM (OEM): 97318441
- MAHLE: B32478
- GTIN/UPC: 027067875235
FAQ
Does this fit all 2001–2004 Duramax models?
Yes. It’s designed for LB7 6.6L trucks (Chevrolet/GMC 2500HD/3500) from 2001–2004.
What does this gasket seal?
The turbocharger air inlet connection (often described as turbo to throttle body/inlet tube).
Is hardware included?
No. This is the gasket only; reuse or replace fasteners as needed.
What’s the material?
An OE-style paper/fiber composite that meets factory specs for sealing and durability.
