Product Description
MAHLE HS54580 is the OE-quality upper head set for the 2001–2004 GM 6.6L Duramax LB7 (VIN 1). It includes the critical top-end gaskets, O-rings, and RTV you need to reseal the heads and upper engine after injector or valve train work. Pair with the correct MLS head gaskets and head bolts for a complete repair.
Fitment
- 2001–2004 Chevrolet Silverado 2500HD/3500(HD) – 6.6L Duramax LB7 (VIN 1)
- 2001–2004 GMC Sierra 2500HD/3500(HD) – 6.6L Duramax LB7 (VIN 1)
- Notes: This is the head set (upper set); MLS head gaskets and head bolts are sold separately.
Cross-Reference / Alternatives (Mahle only)
- MAHLE HS54580A – Head set for 2004.5–2007 LLY/LBZ
- MAHLE HS54580B – Head set for 2007.5–2010 LMM
- MAHLE HS54580C – Head set for 2011–2016 LML
- MAHLE CS54580 – Lower engine (conversion) set for 2001–2007 LB7/LLY/LBZ
Recommended Mahle Complements
- MAHLE GS33504 – Cylinder head bolt set (one head)
- MAHLE VS50549 – Valve cover gasket set (LB7)
- MAHLE GS33757 – Valve cover + injector seal kit (LB7)
- MAHLE GS33500A – Injector seal kit (LB7)
- MAHLE 54582 – Right MLS head gasket (Grade C, 1.05 mm)
- MAHLE 54585 – Left MLS head gasket (Grade C, 1.05 mm)
What’s Included
- Upper-engine gaskets & seals for LB7 service (intake/exhaust manifold gaskets, valve cover seals, injector O-rings/washers, water outlet/thermostat, turbo & related seals) plus RTV
- Not included: MLS head gaskets and head bolts
FAQ
Does HS54580 include the head gaskets?
No. It’s an upper head set. Order left/right MLS head gaskets by grade separately.
Will this fit every 2001–2004 Duramax?
Yes—this set is specified for the LB7 (VIN 1). Always verify by VIN and model year.
Do I need new head bolts?
Yes—LB7 uses torque-to-yield bolts. Replace with MAHLE GS33504 or head studs.
What are the GTIN/UPC and shipping details?
GTIN/UPC: 027067724175. Typical package dims listed on the product page; CPP shows Free Shipping for this item.
Specifications for Mahle HS54580
| Attribute | Value |
|---|---|
| Brand | MAHLE |
| Part Number | HS54580 |
| UPC / GTIN | 027067724175 |
| Shipping Info | CPP lists Free Shipping; typical package 10.00" W × 1.25" H × 24.00" D (see product page). |
| Engine / Platform | 2001–2004 GM 6.6L Duramax LB7 (VIN 1) |
| Prop 65 | This product can expose you to chemicals including lead and lead compounds, known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov. |
