Product Description
MAHLE 224-3709WR.040 piston kit with rings for the LEFT (driver-side) bank of the 2006–2010 GM 6.6L Duramax (LLY/LBZ/LMM). Each piston arrives with rings pre-installed and includes wrist pins & clips for a clean, efficient build.
CPP DIESEL PRICE IS FOR A SET OF FOUR (4) PISTONS to service the entire left bank.
- Oversize: .040" over
- Bank: Left (driver side)
- Construction: Coated skirt, expansion-controlled design
- Includes: Pistons (qty 4 at CPP), mounted rings, pins, clips
Fitment
- 2006, 2007, 2008, 2009, 2010 Chevrolet/GMC 2500HD & 3500HD with 6.6L Duramax LLY / LBZ / LMM.
Cross Reference & IDs
- MAHLE: 224-3709WR.040 (Left bank)
- GTIN/UPC: 027067914521
Why MAHLE Pistons
- OE-quality with compensated ring grooves for proper ring loading and oil control
- Designed for tight fitting clearances to reduce wear and noise
FAQ
Does the CPP price include four pistons?
Yes. Our price is for a complete set of four (4) left-bank pistons with rings, pins, and clips included.
Why does XDP show a per-piston price?
CPP simplifies this with an all-in left-bank set.
Will this fit my truck?
If you have a 2006–2010 Duramax LLY/LBZ/LMM and need .040" over pistons for the left bank, this kit is correct.
Are rings installed?
Yes—rings come pre-mounted, and pins & clips are included for each piston.
Do I need machine work?
Yes—.040" over requires appropriate machine work. Always check piston-to-wall clearance per MAHLE specs.
