MAHLE 224-3451WR PISTON W/RINGS-LEFT (STD) FOR 01-05 GM DURAMAX

Product Description

Restore factory performance and sealing on your LB7/LLY with the MAHLE 224-3451WR Left-Bank Piston w/ Rings (Standard Bore) for the 2001–2005 GM 6.6L Duramax. This OE-grade assembly includes a matched piston and pre-installed rings for the left bank, engineered for controlled expansion, reliable oil control, and long service life.

Mahle 224-3451WR piston with rings left bank STD, LB7 LLY Duramax piston set left, 2001 2002 2003 2004 2005 Duramax 6.6L OEM piston, Mahle Duramax LB7 piston standard, left bank piston VIN 1/2, Duramax piston with rings STD 224-3451WR, CPP Diesel Mahle pistons

Fitment

• 2001–2005 Chevrolet/GMC 6.6L Duramax LB7 & LLY (VIN codes 1 and 2) — left bank (bank-specific orientation)

Cross-Reference / Alternatives (Mahle only)

• Right-bank matching piston (STD): MAHLE 224-3452WR
• Left-bank oversizes: 224-3451WR.020 / 224-3451WR.040
• Right-bank oversize example: 224-3452WR.020
• MAHLE piston ring sets for LB7/LLY (match your bore size):
  • STD: 41909
  • .010: 41909.01
  • .020: 41909.02
  • .040: 41909.04

What’s Included

• One left-bank piston (standard bore) with rings pre-installed
• Note: Duramax pistons are bank-specific; order four for the left bank and four for the right bank as required

FAQ

Is this the correct piston for my 2001–2005 Duramax?
Yes. It’s the standard-size left-bank piston for LB7/LLY engines (VIN 1 & 2).

Do the rings come installed?
Yes—rings are supplied on the piston from Mahle for proper fit.

How many do I need?
Duramax uses bank-specific pistons. The left bank requires four left-bank pistons; the right bank uses four right-bank pistons.

Which ring set do I buy?
Match ring size to your bore: STD uses 41909; overbores use 41909.01/.02/.03/.04 accordingly.

Specifications for Mahle 224-3451WR