Product Description
MAHLE 224-3709WR is the left-bank (STD bore) piston kit with rings for the 2006–2010 GM 6.6L Duramax LLY/LBZ/LMM. Built to OE specs with expansion-controlled alloys, compensated ring grooves, and low-friction coated skirts, each piston arrives with the rings pre-installed for clean, efficient assembly and reliable sealing under load.
Fitment
- 2006–2010 Chevrolet Silverado 2500HD/3500HD & GMC Sierra 2500HD/3500HD – 6.6L Duramax LLY/LBZ/LMM
- Bank / Side: Left (driver)
- Bore Size: Standard (STD)
- Includes: Set of four (4) pistons with rings pre-installed, wrist pins & clips (left bank)
Cross-Reference / Alternatives (MAHLE on CPP Diesel only)
- Left bank +.010: MAHLE 224-3709WR.010
- Left bank +.020: MAHLE 224-3709WR.020
- Left bank +.030: MAHLE 224-3709WR.030
- Left bank +.040: MAHLE 224-3709WR.040
- Right bank (STD): MAHLE 224-3708WR (Right, STD)
- Right bank +.010: MAHLE 224-3708WR.010
- Right bank +.020: MAHLE 224-3708WR.020
- Right bank +.040: MAHLE 224-3708WR.040
Specifications for Mahle 224-3709WR
| Attribute | Value |
|---|---|
| Brand | MAHLE |
| Part Number | 224-3709WR (Left, STD) |
| UPC | 027067914507 |
| GTIN | 00027067914507 |
| Engine Compatibility | 2006–2010 GM 6.6L Duramax LLY/LBZ/LMM |
| Bank / Orientation | Left bank (driver side) |
| Bore Size | Standard (STD) |
| Ring Pack | Pre-installed (3.0/2.0/3.0 mm) |
| Includes | (4) pistons w/ rings, pins & clips (left bank) |
| Shipping | Ground service; options shown at checkout |
| Prop 65 | WARNING: Cancer and Reproductive Harm — See P65Warnings.ca.gov. |
FAQ
Is this priced per piston or for the whole left bank?
Sold as a complete set of four (4) left-bank pistons with rings pre-installed, plus pins and clips.
Which Duramax engines does 224-3709WR fit?
Designed for the 2006–2010 LLY/LBZ/LMM 6.6L Duramax. Always verify bank (left) and bore (STD) during planning.
What should I pair with this if I’m rebuilding both banks?
Use the matching right-bank kit in the correct size (e.g., 224-3708WR (STD) or oversize variants linked above) to complete the full engine set.
