2001-2016 6.6L Duramax LB7-LML X-Series Piston Kit - Coated \u0026 De-Lipped (.040) - Industrial Injection - 44B112

2001-2016 6.6L Duramax LB7-LML X-Series Piston Kit
Industrial Injection X-Series Piston Kits are built for 2001-2016 6.6L Duramax LB7, LLY, LBZ, LMM, and LML engine rebuilds, towing applications, and performance diesel builds. Each kit is designed as a drop-in replacement matched piston set and is available in multiple bore sizes to match your engine build.
Choose from Stock Replacement or Coated and De-Lipped piston options depending on your engine setup and performance goals.
Stock Piston Kit Features
For 2001-2016 6.6L Duramax LB7, LLY, LBZ, LMM, and LML engines
Drop-in replacement matched piston set
Complete with rings, wrist pins, and clips
Available in Standard, .020", .030", and .040" sizes
Low Friction Anti-Scuff Skirt Coating
Premium PVD ring pack for enhanced sealing and durability
Ideal for OEM-style rebuilds, towing applications, and reliable performance upgrades
Coated and De-Lipped Piston Kit Features
For 2001-2016 6.6L Duramax LB7, LLY, LBZ, LMM, and LML engines
Drop-in replacement matched piston set
Complete with rings, wrist pins, and clips
Available in Standard, .020", .030", and .040" sizes
De-lipped piston design for performance diesel applications
Thermal barrier coating on piston tops
Low Friction Anti-Scuff Skirt Coating
Premium PVD ring pack for enhanced sealing and durability
Designed for increased cylinder pressure, elevated boost, heavy towing, and performance builds
Available Sizes
Stock Replacement: Standard, .020", .030", and .040" Oversize
Coated and De-Lipped: Standard, .020", .030", and .040" Oversize
Choosing the Right Piston Option
Stock Replacement pistons are a strong choice for standard rebuilds, tow rigs, and reliable street applications. Coated and De-Lipped pistons add piston top coating, skirt coating, and de-lipped machining for more demanding Duramax performance builds.
Supersedes Previous Part Numbers
PDM-360STD - Coated and De-Lipped (Standard)
PDM-360.020 - Coated and De-Lipped (.020")
PDM-360.040 - Coated and De-Lipped (.040")
Product Spec Sheet: Click Here
Important Note
Confirm bore size, piston specification, and engine build requirements before ordering. For performance builds or modified engines, consult your engine builder to verify the correct piston setup.