Description 2001-2005 6.6L Duramax Harmonic Balancer Fits: LB7 and LLY Engines Durable and sleek, these Harmonic Balancer / Crankshaft Pulley Damper for the 2001-2005 6.6L GM and Chevrolet diesel engines feature a stress-resistant rubber bond that withstands the damaging effects of heat, salt, ozone and general wear and tear. The ductile iron construction allows for improved tensile and impact strength, safeguarding the engine and maintaining fuel efficiency year after year. Direct replacement to ensure proper fit Tested to meet or exceed OE performance and quality standards Designed as premium OEM replacement balancers for serpentine and V-belt drives Engineered to offer superior bonding strength between the balancer rings Manufactured with ductile iron casting and injection bonded dampening rubber Reference # 594-419 / PB1648N / 97225896 / 97328573 / 97780412
