MAHLE 224-3451WR.040 Engine Piston Set with Rings Left Bank .040 Over

The MAHLE 224-3451WR.040 is an OE-quality engine piston set engineered for the left bank of GM 6.6L Duramax LB7/LLY diesel engines. Built to the same standards as original equipment, this .040" overbore piston set delivers the precision fit and reliable performance that MAHLE is known for as one of the world's largest OE piston manufacturers.

Key Features:

• Compensated ring grooves ensure proper ring loading and consistent oil control throughout the piston's service life
• Expansion-controlled design maintains tight fitting clearances to reduce engine noise, wear, and emissions
• Ready-to-install configuration includes mounted piston rings, wrist pin, and retaining clips for maximum convenience
• Lightweight construction supports excellent compression and reliable engine performance
• .040" overbore for use with bored or worn cylinder walls measuring .040" over standard
• Manufactured to OE specifications for a direct-fit replacement with no modifications required

MAHLE is a globally recognized original equipment supplier trusted by major engine manufacturers worldwide. The 224-3451WR.040 piston set provides engine builders and diesel technicians with a dependable, installation-ready solution that restores factory compression ratios and engine efficiency.