Product Description
Seal your 6.6L Duramax the right way with the MAHLE 54597 Wave-Stopper Left Head Gasket (Grade C, 1.05mm). This MLS gasket uses MAHLE’s Wave-Stopper active layer to maintain clamp load and combustion sealing across LB7, LLY, LBZ, LMM, and LML engines. Ideal for stock or tuned trucks needing OE-level durability and leak-free performance.
Fitment
- 2001–2016 Chevrolet Silverado/GMC Sierra 2500HD & 3500/3500HD — 6.6L Duramax (LB7, LLY, LBZ, LMM, LML)
- 2006–2016 Chevy/GMC Express & Savana 2500/3500/4500 — 6.6L Duramax
- 2003–2009 Chevy Kodiak / GMC TopKick C4500–C5500 — 6.6L Duramax
Cross-Reference / Alternatives (Mahle only)
- Mahle 54598 Head Gasket — Right/Passenger (Grade C, 1.05mm): 54598
- Mahle 54585 Head Gasket — Left/Driver (Grade C, 1.05mm): 54585
- Mahle 54582 Head Gasket — Right/Passenger (Grade C, 1.05mm): 54582
- Mahle 54583 Head Gasket — Left/Driver (Grade A, 0.95mm): 54583
- Mahle 54584 Head Gasket — Left/Driver (Grade B, 1.00mm): 54584
What’s Included
- Left-side MLS Wave-Stopper head gasket — Grade C (1.05mm), 106mm bore
- Note: Head bolts/studs sold separately
FAQ
Will this fit my Duramax?
Yes—fits 2001–2016 6.6L Duramax LB7, LLY, LBZ, LMM, and LML (see Fitment above).
Is this an MLS Wave-Stopper gasket?
Yes. It’s a multi-layer steel gasket with MAHLE’s Wave-Stopper active layer for stable combustion sealing.
Does this include head bolts?
No. Always install with new TTY head bolts or quality studs.
What thickness and bore size?
Grade C thickness of 1.05mm (≈0.041") and 106mm bore.
Specifications for Mahle 54597
| Attribute | Value |
|---|---|
| Brand | Mahle |
| Part Number | 54597 (Left/Driver) |
| UPC | 027067723536 |
| GTIN | 027067723536 |
| Thickness / Grade | 1.05mm — Grade C |
| Bore Diameter | 106mm |
| Construction | MLS with Wave-Stopper active layer |
| Package Dimensions | 10.00" W × 1.00" H × 37.00" D |
| Shipping | Calculated at Checkout |
| Prop 65 | See www.P65Warnings.ca.gov |
