Product Description
Genuine GM 19300488 Crankshaft Harmonic Balancer Pulley
Fits 1999-Newer LS-Based 4.8L, 5.3L, 6.0L, and 6.2L GM Truck and SUV Engines
The Genuine GM 19300488 Crankshaft Harmonic Balancer Pulley is the factory-engineered solution for restoring proper balance, performance, and vibration control to your LS-based engine. Designed to meet GM’s exacting standards for fit, function, and longevity, this OEM harmonic balancer effectively reduces torsional vibrations in the crankshaft while also acting as a pulley for the accessory drive system.
Perfect for stock rebuilds, maintenance, or mild performance upgrades, this balancer ensures smooth operation, reliable performance, and factory-level quality. Each GM Original Equipment harmonic balancer is precision manufactured for durability, providing the same fit and performance as the part originally installed on your vehicle from the factory.
Key Features:
- Genuine GM OEM replacement for factory crankshaft harmonic balancer
- Reduces torsional crankshaft vibrations for smooth engine operation
- Serves as the pulley for engine accessory drive belts
- Manufactured to original GM specifications for fit and function
- Ensures reliable operation and long service life under all conditions
- Ideal for factory rebuilds or replacement of worn or damaged components
- Designed for LS-based GM Truck and SUV engines
Applications Include (Gasoline V8 Models Only):
- Buick Rainier (2004–2007)
- Cadillac Escalade (2002–2014)
- Chevrolet Avalanche (2002–2013)
- Chevrolet Colorado (2009–2012)
- Chevrolet Express 1500/2500/3500/4500 (2003–2020)
- Chevrolet Silverado 1500/2500/3500 (1999–2019)
- Chevrolet SSR (2003–2006)
- Chevrolet Suburban (2000–2017)
- Chevrolet Tahoe (2000–2014)
- Chevrolet Trailblazer (2003–2009)
- GMC Canyon (2009–2012)
- GMC Envoy (2003–2009)
- GMC Savana 1500/2500/3500/4500 (2003–2020)
- GMC Sierra 1500/2500/3500 (1999–2019)
- GMC Yukon & Yukon XL (2000–2014)
- Hummer H2 (2003–2009), H3/H3T (2008–2010)
- Isuzu Ascender (2003–2006)
- Saab 9-7X (2005–2009)
Fits the Following LS Engine Codes:
- L92, L9H, L94, L76, LY6, L96, LFA, LZ1, LY5, LMG, LMF, LH6, LC9
- LY2, L20, L33, LQ4, LQ9, LR4, LM7, L59, LH8, LH9
