Mack Engine Harmonic Balancers For Sale by Dealerships

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2013 Mack MP8 Vibration Damper for a Mack CXU613

Price Drop $125 USD

Mack MP8 Camshaft Vibration Damper, Harmonic Balancer, Part # 21473105, Replaces 21004214.

Condition	Used
Fits To Make(s)	MACK
Fits To Model(s)	CXU613
Stock Number	UPS-274281-56
MLS Number	13891338
Category	Engine Harmonic Balancers
Last Updated	4/21/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Used Mack E7 Balancer

$75 USD

Used E7 Balancer, Type: Viscous, Diameter: 12-1/4"

Condition	Used
Part Number	404GB499
Stock Number	579-10543
MLS Number	14236904
Category	Engine Harmonic Balancers
Last Updated	3/11/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

Used Mack E7 Vibration Damper

$75 USD

Used E7 Vibration Damper, Type: Viscous, Diameter: 12-1/4"

Condition	Used
Part Number	404GB499
Stock Number	579-10544
MLS Number	14236901
Category	Engine Harmonic Balancers
Last Updated	3/11/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

Used Mack MP7 Vibration Damper

$150 USD

Used MP7 Vibration Damper, Type: Rubber, Diameter: 9 1/4"

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	MP7
Part Number	20450049
Stock Number	579-10784
MLS Number	14235865
Category	Engine Harmonic Balancers
Last Updated	3/11/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

2005 Used Mack AC427 Balancer

$250 USD

Used AC427 Balancer, Type: Viscous, Diameter: 13 3/8

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	AC427
Will Fit Year(s)	2005
Part Number	404GB498C
Stock Number	579-10844
MLS Number	14235752
Category	Engine Harmonic Balancers
Last Updated	3/11/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

2004 Used Mack AI400 Vibration Damper

$160 USD

Used AI400 Vibration Damper, Type: Serpentine, Diameter: 13 1/2"

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	AI400
Will Fit Year(s)	2004
Part Number	404GB498A
Stock Number	579-10852
MLS Number	14235736
Category	Engine Harmonic Balancers
Last Updated	3/11/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

2022 NTO Mack MP7 Vibration Damper

$125 USD

NTO MP7 Vibration Damper, Type: Serpentine, Diameter: 13 1/4"

Condition	New
Fits To Make(s)	Mack
Fits To Model(s)	MP7
Will Fit Year(s)	2022
Part Number	20722656
Stock Number	579-10869
MLS Number	14235726
Category	Engine Harmonic Balancers
Last Updated	3/11/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

Used Mack MP7 Vibration Damper

$180 USD

Used MP7 Vibration Damper, Type: Serpentine, Diameter: 9 1/4''

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	MP7
Part Number	20888623
Stock Number	579-10903
MLS Number	14235544
Category	Engine Harmonic Balancers
Last Updated	3/11/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

2009 Used Mack MP7 Vibration Damper

$105 USD

Used MP7 Vibration Damper, Type: Serpentine, Diameter: 13 1/4"

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	MP7
Will Fit Year(s)	2009
Part Number	20722656
Stock Number	579-10906
MLS Number	14235543
Category	Engine Harmonic Balancers
Last Updated	3/11/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Mack ETEC Engine Harmonic Balancer

$75 USD

Good used, cleaned and inspected Mack ETEC Harmonic Balancer. Part Number: 404GB499A

Quantity	15
Condition	Used
Fits To Make(s)	MACK
Fits To Model(s)	ETEC
Part Number	404GB499A
Stock Number	Ryd 404GB499A
MLS Number	10204015
Category	Engine Harmonic Balancers
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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Mack MP7 Engine Harmonic Balancer

$75 USD

Good used, cleaned and inspected Mack MP7 Harmonic Balancer. Part Number: 20722656

Quantity	16
Condition	Used
Fits To Make(s)	MACK
Fits To Model(s)	MP7
Part Number	20722656
Stock Number	Ryd 20722656
MLS Number	10204002
Category	Engine Harmonic Balancers
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

(866) 828-___ SHOW
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2018 Mack 20792248 Engine Harmonic Balancer for a Mack GU713

$129.99 USD

Mack MP8 Engine Vibration Damper 20792248, From 2018 GU713 VIN 1M2AX16C8JM041795

Condition	Used
Fits To Make(s)	MACK
Fits To Model(s)	GU713
Stock Number	142412
MLS Number	12521485
Category	Engine Harmonic Balancers
Last Updated	9/5/2025
Location	Owensboro, KY, US
Sold By	West Side Truck Parts

(855) 750-___ SHOW
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2005 Mack AI Engine Harmonic Balancer for a Mack CV713 GRANITE

$200 USD

Condition	Used
Fits To Make(s)	MACK
Fits To Model(s)	CV713 GRANITE
Stock Number	14822
MLS Number	11514017
Category	Engine Harmonic Balancers
Last Updated	6/19/2025
Location	Enfield, CT, US
Sold By	Camerota Truck Parts

(844) 385-___ SHOW
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Mack ETEC Engine Harmonic Balancer

$75 USD

(GOOD USED) OEM Mack Diesel Engine Harmonic Balancer, for sale!!! Part #: 404GB499A; Stock #: D1004 For more information about this listing, shipping, technical questions email us at...

Condition	Used
Part Number	404GB499A
Stock Number	D1004
MLS Number	13245212
Category	Engine Harmonic Balancers
Last Updated	11/20/2024
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

(833) 432-___ SHOW
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1991 Mack E7 Engine Harmonic Balancer

$103 USD

404GB490

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	E7
Stock Number	R10358964
MLS Number	13093726
Category	Engine Harmonic Balancers
Last Updated	9/5/2024
Location	Spokane Valley, WA, US
Sold By	Spalding Truck Parts

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2003 Mack 404GB498B Engine Harmonic Balancer for a Mack CV713 GRANITE

$124.99 USD

Mack E7 Engine Vibration Damper Harmonic Balancer 404GB498B, From 2003 CV713 VIN 1M2AG11C33M002784

Condition	Used
Fits To Make(s)	MACK
Fits To Model(s)	CV713 GRANITE
Stock Number	143468
MLS Number	12739555
Category	Engine Harmonic Balancers
Last Updated	8/10/2024
Location	Owensboro, KY, US
Sold By	West Side Truck Parts

(833) 359-___ SHOW
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Mack MP7 Engine Harmonic Balancer

Contact for price

USED MACK MP7 VIBRATION DAMPER P/N: 21004214

Condition	Used
Stock Number	73670
MLS Number	12828143
Category	Engine Harmonic Balancers
Last Updated	5/1/2024
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

(833) 359-___ SHOW
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Mack MP8 Engine Harmonic Balancer

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USED MACK MP8 CAM BALANCER P/N: 21004214

Condition	Used
Stock Number	58068
MLS Number	12820551
Category	Engine Harmonic Balancers
Last Updated	5/1/2024
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

(844) 835-___ SHOW
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(GOOD USED) Mack RENAULT MIDR 6.2L Diesel Engine Harmonic Balancer / Dampner Pulley P# 5010258391

$199.99 USD

PART SPECIFICS, Price USD: $199.99, Make: MACK RENAULT MIDR 6.2LDIESEL ENGINE Model: CRANKDAMPER / HARMONIC BALANCER Part#: 5010258391 Stock#: 320299 Condition: ...

Warranty

Condition	Used
Part Number	5010258391
Stock Number	320299
MLS Number	12756126
Category	Engine Harmonic Balancers
Last Updated	4/5/2024
Location	Rockwood, TN, US
Sold By	Machinery and Truck Parts

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Mack 404GB3143A Engine Harmonic Balancer

$150 USD

Mack Houdaille Viscous Damper Harmonic Balancer 404GB3143A 708345

Condition	Used
Stock Number	132504
MLS Number	11359925
Category	Engine Harmonic Balancers
Last Updated	2/16/2024
Location	Owensboro, KY, US
Sold By	West Side Truck Parts

(844) 641-___ SHOW
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2013 Mack Granite GU813 Engine Harmonic Balancer for a Mack GU813

Contact for price

Condition	Used
Fits To Make(s)	MACK
Fits To Model(s)	GU813
Stock Number	3706
MLS Number	10571298
Category	Engine Harmonic Balancers
Last Updated	2/8/2025
Location	Morrisville, NY, US
Sold By	Dutcher's Inc.

(844) 641-___ SHOW
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2013 Mack Pinnacle CXU613 Engine Harmonic Balancer for a Mack CXU613

Contact for price

Condition	Used
Fits To Make(s)	MACK
Fits To Model(s)	CXU613
Stock Number	5405
MLS Number	10572627
Category	Engine Harmonic Balancers
Last Updated	4/25/2024
Location	Morrisville, NY, US
Sold By	Dutcher's Inc.