5 0 2009 GM/Chev (HD) 6.6D Engine Harmonic Balancer for a Chevrolet Express $80 USD Quality used Harmonic Balancer 06-10 Gm Duramax 6.6l Lbz Lmm 97374383 SPN019298 backed by our standard warranty. OEM # 97374383. SPN019298 Please Note: The part sent may not exactly match... ConditionUsedFits To Make(s)CHEVROLETFits To Model(s)ExpressStock Number42-97374383-STK MLS Number13028244CategoryEngine Harmonic Balancers Last Updated8/19/2025 LocationBig Lake, MN, US Sold ByQuality Bus and Truck Parts (844) 580-___ SHOWNUMBERCall Seller Email Seller Save More Info