Product Description
MAHLE 224-3452WR is an OE-quality right-bank piston with pre-installed rings for the 2001–2005 GM 6.6L Duramax LB7/LLY. MAHLE’s expansion-controlled design and compensated ring grooves help maintain oil control and durability under load. Sold as a set only; priced per piece.
- Bank: Right (Bank 2) – cylinders 2, 4, 6, 8
- Bore: Standard (STD)
- Compression: Standard (approx. 17.5:1, OE spec)
- Includes: Piston with wrist pin, clips, and ring pack installed
- GTIN/UPC: 027067914224
- MPN: 224-3452WR • Alt SKU: MCI224-3452WR
Fitment
- 2001, 2002, 2003, 2004 Chevrolet/GMC 2500HD & 3500 with 6.6L Duramax LB7
- 2004.5, 2005 Chevrolet/GMC 2500HD & 3500 with 6.6L Duramax LLY
Cross Reference & Related Part Numbers
- Companion left bank set: 224-3451WR (STD)
- Right-bank oversizes: 224-3452WR.020, 224-3452WR.040
- Left-bank oversizes (related): 224-3451WR.020, 224-3451WR.040
- Common aliases: 2243452WR, MCI2243452WR
What’s Included
One piston with rings (right-bank pattern). Note: Right-bank sets require quantity 4 for a complete bank.
FAQ
Is this the correct piston for my 2001–2005 Duramax?
Yes. It fits LB7 (2001–2004) and LLY (2004.5–2005) 6.6L engines; this is the right-bank piston (Bank 2).
Do I need to buy four?
For a full right bank you’ll need 4 pieces. XDP lists this item as sold as a set only; priced per piece, so order in multiples of four.
What rings are included?
MAHLE supplies the matching ring pack pre-installed for standard bore applications.
What’s the compression ratio?
Standard OEM compression (~17.5:1) for LB7/LLY pistons.
What’s the difference between left and right bank part numbers?
Left bank (Bank 1) uses 224-3451WR; right bank (Bank 2) uses 224-3452WR. Do not mix banks.
