Product Description
MAHLE MS19402 intake manifold gasket set for 2001–2005 GM 6.6L Duramax LB7/LLY. OE-style molded-rubber construction for reliable sealing and long service life.
- Direct-fit, OE-style replacement
- Restores proper manifold seal to prevent unmetered air leaks
- Durable molded-rubber on carrier
- Warranty: 1-Year Limited
Fitment
- 2001–2005 GM 6.6L Duramax LB7 / LLY (Chevrolet Silverado/GMC Sierra 2500HD & 3500)
Cross Reference Numbers
- GM / ACDelco: 97251963
- Fel-Pro: MS 96541
- UPC / GTIN: 027067721129
What’s Included
Intake manifold gasket set for both banks (hardware not included).
FAQ
Will this fit my LB7 or LLY?
Yes—designed for 2001–2005 6.6L Duramax LB7 and LLY applications.
Is this an OE-quality replacement?
Yes—MS19402 is an OE-style molded-rubber gasket set engineered to meet factory specs.
Does it include bolts or other hardware?
No—this listing is for the gasket set only. Reuse or replace hardware as needed.
Any install tips?
Clean mating surfaces and torque per GM service manual; inspect Y-bridge and runners for warpage before reassembly.
