SKU: CS54580B | UPC: 639789247865
MAHLE Original Chevrolet Express 2500 6.6L Conversion Set – (Vin L 2011-2015 / Vin 8 2011-2016)
MAHLE Original CS54580B Conversion Set provides full gasket coverage for 6.6L Duramax diesel engines in Chevrolet Express 2500/3500 vans and Chevy/GMC HD trucks from 2011-2016. Built for VIN L (2011-2015) and VIN 8 (2011-2016) LML engines this kit handles engine rebuilds and head gasket service with sealing designed for extreme diesel boost and combustion pressures. Professional technicians choose it for consistent results in heavy-duty applications.
Key Features
- Multi-Layer Steel Head Gaskets: PermaTorque MLS construction seals extreme boost and combustion pressures in 6.6L Duramax engines
- Complete Conversion Kit: Includes cylinder head gaskets intake manifold valve cover and all seals for full head service
- OEM-Engineered Fit: Matches exact specifications for 2011-2016 GM 6.6L LML diesel preventing leaks and blow-by
- Premium Materials: Graphite and composite gaskets resist heat oil and coolant for long engine life
- Global OEM Trust: Manufactured to standards used by GM ensuring reliability in professional repairs
Product Notes
- Confirm engine VIN L or 8 and 6.6L Duramax prior to installation
- Use with OEM or equivalent bolts re-torque per GM service manual
- Store in dry conditions to maintain gasket integrity
Installation Notes
- Professional installation recommended.
- Clean all surfaces thoroughly apply sealer to specified gaskets only
- Compatible with factory head bolts ARP studs optional for high-performance builds
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2011-2014 | GMC | Sierra 3500 HD | WT |
| 2011-2015 | Chevrolet | Express 2500 | Base |
| 2011-2015 | Chevrolet | Express 3500 | Base |
| 2011-2015 | Chevrolet | Express 3500 | LS |
| 2011-2015 | Chevrolet | Express 3500 | LT |
| 2015-2016 | Chevrolet | Silverado 2500 HD | High Country |
| 2011-2016 | Chevrolet | Silverado 2500 HD | LT |
| 2011-2016 | Chevrolet | Silverado 2500 HD | LTZ |
| 2011-2016 | Chevrolet | Silverado 2500 HD | WT |
| 2015-2016 | Chevrolet | Silverado 3500 HD | High Country |
| 2011-2016 | Chevrolet | Silverado 3500 HD | LT |
| 2011-2016 | Chevrolet | Silverado 3500 HD | LTZ |
| 2011-2016 | Chevrolet | Silverado 3500 HD | WT |
| 2011-2015 | GMC | Savana 2500 | Base |
| 2011-2015 | GMC | Savana 3500 | Base |
| 2011-2015 | GMC | Savana 3500 | LS |
| 2011-2015 | GMC | Savana 3500 | LT |
| 2015-2016 | GMC | Sierra 2500 HD | Base |
| 2011-2016 | GMC | Sierra 2500 HD | Denali |
| 2011-2016 | GMC | Sierra 2500 HD | SLE |
| 2011-2016 | GMC | Sierra 2500 HD | SLT |
| 2011-2014 | GMC | Sierra 2500 HD | WT |
| 2015-2016 | GMC | Sierra 3500 HD | Base |
| 2011-2016 | GMC | Sierra 3500 HD | Denali |
| 2011-2016 | GMC | Sierra 3500 HD | SLE |
| 2011-2016 | GMC | Sierra 3500 HD | SLT |
Why Choose MAHLE?
- Supplies original equipment sealing solutions to GM and other automakers
- Backed by decades of gasket engineering expertise
- Consistent quality validated in professional shops worldwide
Frequently Asked Questions
- Q: Will this fit a 2014 Chevrolet Silverado 2500 HD LT with 6.6L Duramax VIN L?
A: Yes CS54580B fits 2011-2016 Silverado 2500 HD LT models with 6.6L LML Duramax VIN L or 8 diesel engines. - Q: What gasket materials are in this conversion set?
A: Features PermaTorque multi-layer steel for heads plus graphite intake rubber valve cover and composite seals throughout. - Q: What warranty covers this MAHLE gasket set?
A: Covered by MAHLE limited warranty against defects in materials and workmanship when installed correctly.
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Securely boxed 19.5 x 14 x 5.5 inches
- Weight: 11.65 lbs





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