View 3 Photos View 0 Videos Used Mack E7 Balancer Newly Listed $75 USD Used E7 Balancer, Type: Viscous, Diameter: 12-1/4" ConditionUsedPart Number404GB499Stock Number579-10543 MLS Number14236904CategoryEngine Harmonic Balancers Last Updated3/11/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Used Mack E7 Vibration Damper Newly Listed $75 USD Used E7 Vibration Damper, Type: Viscous, Diameter: 12-1/4" ConditionUsedPart Number404GB499Stock Number579-10544 MLS Number14236901CategoryEngine Harmonic Balancers Last Updated3/11/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos Mack E7 Vibration Damper Recently Updated $100 USD Good used Vibration Damper from a Mack E7 engine. The vibration damper has been visually inspected and is in good condition. The damper has corrosion and rust. The damper has chipped paint.... ConditionUsedPart NumberP-100763Stock NumberP-100763 MLS Number13023281CategoryEngine Harmonic Balancers Last Updated3/11/2026 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 22 Photos View 0 Videos Mack E7 Vibration Damper for a 2002 Mack MR688S Recently Updated $75 USD Good, used harmonic balancer from a Mack E7 engine. The harmonic balancer has been visually inspected and is in good working condition. The bolt holes are clean and clear from obstruction.... ConditionUsedFits To Make(s)MackFits To Model(s)MR688SWill Fit Year(s)2002Part Number230202-5Stock Number230202-5 MLS Number12382445CategoryEngine Harmonic Balancers Last Updated3/11/2026 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 22 Photos View 0 Videos Mack E7 Vibration Damper Recently Updated $75 USD Good, used balancer from a Mack E7 engine. The balancer has been visually inspected and is in good working condition. There is rust seen on the balancer. There is no visible damage to the... ConditionUsedPart NumberP-14056Stock NumberP-14056 MLS Number12171435CategoryEngine Harmonic Balancers Last Updated3/11/2026 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 14 Photos View 0 Videos Mack E7-350 Vibration Damper for a Mack Universal Recently Updated $75 USD Good, used steel harmonic balancer from a Mack E7-350 engine. The casting number of the balancer is 404GB499. The engine serial number is 7C1673. The harmonic balancer has been inspected and... ConditionUsedFits To Make(s)MackFits To Model(s)UniversalPart NumberP-11691Stock NumberP-11691 MLS Number11604408CategoryEngine Harmonic Balancers Last Updated3/11/2026 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 17 Photos View 0 Videos Mack E7 Vibration Damper Recently Updated $75 USD Good, used steel harmonic balancer from an unknown year Mack E-7 engine from an unknown truck. The steel harmonic balancer has been inspected and seems to be in good working condition. There... ConditionUsedPart NumberP-11158Stock NumberP-11158 MLS Number11487655CategoryEngine Harmonic Balancers Last Updated3/11/2026 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 16 Photos View 0 Videos Mack E7 Vibration Damper for a 2001 Mack RD688S Recently Updated $75 USD Good, used steel harmonic balancer from a 2001 Mack RD688S truck with a Mack E7 engine. The harmonic balancer has been visually inspected and seems to be in good working condition. There is... ConditionUsedFits To Make(s)MackFits To Model(s)RD688SWill Fit Year(s)2001Part Number220230-28Stock Number220230-28 MLS Number11487643CategoryEngine Harmonic Balancers Last Updated3/11/2026 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 16 Photos View 0 Videos Mack E7 Vibration Damper for a 2002 Mack LE613 Recently Updated $75 USD Good, used steel harmonic balancer from a Mack E-7 engine. The steel harmonic balancer has been inspected and seems to be in good working condition. There is no visible damage to the steel... ConditionUsedFits To Make(s)MackFits To Model(s)LE613Will Fit Year(s)2002Part Number220223-43Stock Number220223-43 MLS Number11484063CategoryEngine Harmonic Balancers Last Updated3/11/2026 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 16 Photos View 0 Videos Mack E7 Vibration Damper for a 2002 Mack LE613 Recently Updated $75 USD Good, used steel harmonic balancer from a Mack E7 engine. The harmonic balancer has been visually inspected and seems to be in good working condition. There is no visible damage seen on the... ConditionUsedFits To Make(s)MackFits To Model(s)LE613Will Fit Year(s)2002Part Number220223-20Stock Number220223-20 MLS Number11482524CategoryEngine Harmonic Balancers Last Updated3/11/2026 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 15 Photos View 0 Videos Mack E7 Vibration Damper for a 2002 Mack CH613 Recently Updated $75 USD Good, used steel harmonic balancer from a Mack E-7 engine. The steel harmonic balancer has been inspected and seems to be in good working condition. There is very minor damage visible on... ConditionUsedFits To Make(s)MackFits To Model(s)CH613Will Fit Year(s)2002Part Number220231-44Stock Number220231-44 MLS Number11468984CategoryEngine Harmonic Balancers Last Updated3/11/2026 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Mack MP7 Vibration Damper Recently Updated $185 USD Nous livrons partout au Canada et États-Unis. We ship anywhere in Canada USA. - Stock: 2656DP - Damper Mack MP7 - P/N : 20722656, Serial#: Other ConditionUsedStock Number2656DP MLS Number13183594CategoryEngine Harmonic Balancers Last Updated3/11/2026 LocationBeauceville, QC, Canada Sold ByCamions Gilbert (888) 595-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Used Mack MP7 Vibration Damper Newly Listed $150 USD Used MP7 Vibration Damper, Type: Rubber, Diameter: 9 1/4" ConditionUsedFits To Make(s)MackFits To Model(s)MP7Part Number20450049Stock Number579-10784 MLS Number14235865CategoryEngine Harmonic Balancers Last Updated3/11/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2005 Used Mack AC427 Balancer Newly Listed $250 USD Used AC427 Balancer, Type: Viscous, Diameter: 13 3/8 ConditionUsedFits To Make(s)MackFits To Model(s)AC427Will Fit Year(s)2005Part Number404GB498CStock Number579-10844 MLS Number14235752CategoryEngine Harmonic Balancers Last Updated3/11/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2004 Used Mack AI400 Vibration Damper Newly Listed $160 USD Used AI400 Vibration Damper, Type: Serpentine, Diameter: 13 1/2" ConditionUsedFits To Make(s)MackFits To Model(s)AI400Will Fit Year(s)2004Part Number404GB498AStock Number579-10852 MLS Number14235736CategoryEngine Harmonic Balancers Last Updated3/11/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2022 NTO Mack MP7 Vibration Damper Newly Listed $125 USD NTO MP7 Vibration Damper, Type: Serpentine, Diameter: 13 1/4" ConditionNewFits To Make(s)MackFits To Model(s)MP7Will Fit Year(s)2022Part Number20722656Stock Number579-10869 MLS Number14235726CategoryEngine Harmonic Balancers Last Updated3/11/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Used Mack MP7 Vibration Damper Newly Listed $180 USD Used MP7 Vibration Damper, Type: Serpentine, Diameter: 9 1/4'' ConditionUsedFits To Make(s)MackFits To Model(s)MP7Part Number20888623Stock Number579-10903 MLS Number14235544CategoryEngine Harmonic Balancers Last Updated3/11/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2009 Used Mack MP7 Vibration Damper Newly Listed $105 USD Used MP7 Vibration Damper, Type: Serpentine, Diameter: 13 1/4" ConditionUsedFits To Make(s)MackFits To Model(s)MP7Will Fit Year(s)2009Part Number20722656Stock Number579-10906 MLS Number14235543CategoryEngine Harmonic Balancers Last Updated3/11/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2015 Mack MP8 Engine Harmonic Balancer $100.24 USD MACK MP8, VIBRATION DAMPENER, P/N: 21473105, ConditionUsedFits To Make(s)MACKFits To Model(s)MP8Stock NumberVD2139210 MLS Number14171157CategoryEngine Harmonic Balancers Last Updated2/28/2026 LocationEaston, MD, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Mack ETEC Engine Harmonic Balancer $75 USD Good used, cleaned and inspected Mack ETEC Harmonic Balancer. Part Number: 404GB499A Quantity15ConditionUsedFits To Make(s)MACKFits To Model(s)ETECPart Number404GB499AStock NumberRyd 404GB499A MLS Number10204015CategoryEngine Harmonic Balancers Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Mack MP7 Engine Harmonic Balancer $75 USD Good used, cleaned and inspected Mack MP7 Harmonic Balancer. Part Number: 20722656 Quantity16ConditionUsedFits To Make(s)MACKFits To Model(s)MP7Part Number20722656Stock NumberRyd 20722656 MLS Number10204002CategoryEngine Harmonic Balancers Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2013 Mack MP8 Engine Harmonic Balancer for a Mack CXU613 $150 USD Mack MP8 Vibration Damper, Harmonic Balancer, Part # 20792248. All Used Engine Parts Sold With a 30 Day “Parts Only†Warranty. In The Event Of Failure, The Used Engine Part Will Be... ConditionUsedFits To Make(s)MACKFits To Model(s)CXU613Stock NumberUPS-274281-64 MLS Number13891347CategoryEngine Harmonic Balancers Last Updated10/28/2025 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2013 Mack MP8 Engine Harmonic Balancer for a Mack CXU613 $150 USD Mack MP8 Camshaft Vibration Damper, Harmonic Balancer, Part # 21473105, Replaces 21004214. All Used Engine Parts Sold With a 30 Day “Parts Only†Warranty. In The Event Of Failure, The... ConditionUsedFits To Make(s)MACKFits To Model(s)CXU613Stock NumberUPS-274281-56 MLS Number13891338CategoryEngine Harmonic Balancers Last Updated10/28/2025 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2018 Mack 20792248 Engine Harmonic Balancer for a Mack GU713 $129.99 USD Mack MP8 Engine Vibration Damper 20792248, From 2018 GU713 VIN 1M2AX16C8JM041795 ConditionUsedFits To Make(s)MACKFits To Model(s)GU713Stock Number142412 MLS Number12521485CategoryEngine Harmonic Balancers Last Updated9/5/2025 LocationOwensboro, KY, US Sold ByWest Side Truck Parts (866) 828-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2005 Mack AI Engine Harmonic Balancer for a Mack CV713 GRANITE $200 USD ConditionUsedFits To Make(s)MACKFits To Model(s)CV713 GRANITEStock Number14822 MLS Number11514017CategoryEngine Harmonic Balancers Last Updated6/19/2025 LocationEnfield, CT, US Sold ByCamerota Truck Parts (855) 750-___ SHOWNUMBERCall Seller Email Seller Save More Info