Product Description
Seal up the bottom end on your LMM the right way with the MAHLE CS54580A Lower Engine (Conversion) Gasket Set for 2007.5–2010 6.6L Duramax. This OE-grade kit delivers the essential lower-end gaskets and seals for a clean, leak-free service—ideal for oil pan / front cover / rear main work and general reseal projects on mid-year 2007.5–2010 Chevy/GMC HD trucks.
Fitment
- 2007.5, 2008, 2009, 2010 Chevrolet Silverado 2500HD/3500HD — 6.6L Duramax LMM
- 2007.5, 2008, 2009, 2010 GMC Sierra 2500HD/3500HD — 6.6L Duramax LMM
Cross-Reference / Alternatives (Mahle only)
- Mahle HS54580B Engine Head Set (Upper) — LMM: HS54580B
- Mahle 95-3734VR Model/Full Engine Gasket Kit (no head gaskets) — LMM: 95-3734VR
- Mahle VS50434 Lower Rocker Cover Gasket Set — 04.5–10: VS50434
- Mahle GS33752 Water Pump Gasket Kit — 01–10: GS33752
- Mahle GS34005 Engine Oil Cooler Gasket Set — 01–16: GS34005
What’s Included
- Lower-end gaskets and seals required for oil pan / front cover / rear main area service (content varies by application; head set sold separately)
FAQ
Is this the correct lower set for LMM trucks?
Yes—CS54580A is the LMM-specific lower/conversion set for 2007.5–2010 Duramax.
Does this include head gaskets?
No—this is the lower set. Pair with Mahle HS54580B for cylinder-head service.
Are materials OE-equivalent?
Mahle Original uses OE-equivalent or better materials and meets/exceeds factory specs.
Any installation tips?
Confirm sealing surfaces are clean and flat, torque fasteners to spec, and inspect crank seals and oil pump pickup O-rings during reassembly.
Specifications for Mahle CS54580A
| Attribute | Value |
|---|---|
| Brand | Mahle |
| Part Number | CS54580A |
| UPC | 027067846518 |
| GTIN | 027067846518 |
| Engine Compatibility | 2007.5–2010 6.6L Duramax LMM (Silverado/Sierra 2500HD/3500HD) |
| Package Dimensions (WxHxD) | 12.00" × 2.00" × 17.00" |
| Shipping | Calculated at checkout |
| Prop 65 | Not specified by manufacturer. See www.P65Warnings.ca.gov. |
