Product Description
MAHLE 54597 Wave-Stopper Head Gasket – Left (Grade C, 1.05 mm) for 2001–2016 GM 6.6L Duramax (LB7/LLY/LBZ/LMM/LML). Multi-Layer Steel (MLS) construction with MAHLE’s Wave-Stopper active layer for stable combustion sealing. Standard bore application; head bolts not included.
- Thickness: 1.05 mm (0.041")
- Bore Ø: 106 mm (4.170")
- Side: Left (driver side)
- Material: MLS / Wave-Stopper
Fitment
- 2001–2016 Chevrolet Silverado 2500HD/3500/3500HD • GMC Sierra 2500HD/3500/3500HD
- 2006–2016 Chevy/GMC Express & Savana 2500/3500/4500
- 2003–2009 Chevy Kodiak / GMC TopKick C4500–C5500
Cross Reference / IDs
- MAHLE: 54597
- GTIN/UPC: 027067723536
- GM/OE: 98040130
Notes
- Standard bore. Use new torque-to-yield head bolts or studs on install.
- For the right/passenger side, use MAHLE 54598.
FAQ
Will this fit my Duramax?
Yes. It fits 2001–2016 6.6L Duramax LB7, LLY, LBZ, LMM, and LML (see fitment above).
Is this an MLS Wave-Stopper gasket?
Yes—MAHLE’s MLS with Wave-Stopper active layer for high cylinder-pressure sealing.
Does it include head bolts?
No. Bolts/studs are sold separately; always use new TTY bolts or studs.
What thickness and bore?
Grade C, 1.05 mm thick with 106 mm bore.
