Frontier Truck Parts Used Mack Engine Parts For Sale

1 - 25 of 169 listings

Used Mack E7 Balancer

Newly Listed

$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

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Used Mack E7 Vibration Damper

Newly Listed

$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

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Used Mack MP7 Vibration Damper

Newly Listed

$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

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2005 Used Mack AC427 Balancer

Newly Listed

$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

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2004 Used Mack AI400 Vibration Damper

Newly Listed

$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

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Used Mack MP7 Vibration Damper

Newly Listed

$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

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2009 Used Mack MP7 Vibration Damper

Newly Listed

$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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2020 Used Mack MP8 Timing Cover

$125 USD

Used MP8 Timing Cover, Type: Timing Cover

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	MP8
Will Fit Year(s)	2020
Part Number	22992290
Stock Number	507-19578
MLS Number	14139309
Category	Engine Covers
Last Updated	2/27/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2015 Used Mack MP Series ECM

$844.99 USD

Used MP Series ECM, Engine Model: MP8

Condition	Used
Engine Model	MP8
Fits To Make(s)	Mack
Fits To Model(s)	MP8
Will Fit Year(s)	2015
Part Number	21900553
Stock Number	509-17163
MLS Number	14139307
Category	Engine Control Modules (ECM)
Last Updated	2/27/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2015 Used Mack MP8 Valve Cover

$250 USD

Used MP8 Valve Cover, Side: N/A, Material: Composite

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	MP8
Will Fit Year(s)	2015
Side	N/A
Part Number	21868353
Stock Number	556-11855
MLS Number	14130284
Category	Valve Covers
Last Updated	2/27/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2020 Used Mack MP8 Front Lifting Eye

$25 USD

Used MP8 Front Lifting Eye, Type: Front Lifting Bracket, Material: Cast Iron

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	MP8
Will Fit Year(s)	2020
Part Number	21698108
Stock Number	502-18651
MLS Number	14119360
Category	Engine Brackets
Last Updated	2/27/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2020 Used Mack MP8 Alternator Bracket

$50 USD

Used MP8 Alternator Bracket, Type: Alternator Bracket, Material: Cast Iron

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	MP8
Will Fit Year(s)	2020
Part Number	22682921
Stock Number	502-18652
MLS Number	14119359
Category	Engine Brackets
Last Updated	2/27/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2020 Used Mack MP8 FWH Cover

$30 USD

Used MP8 FWH Cover, Type: Hand Hole Cover

Quantity	2
Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	MP8
Will Fit Year(s)	2020
Part Number	22468495
Stock Number	507-19574
MLS Number	14117536
Category	Engine Covers
Last Updated	2/27/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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1999 Used Mack E7 Oil Pan

$400 USD

Used E7 Oil Pan, Material: Aluminum

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	E7
Will Fit Year(s)	1999
Part Number	240GB5240M
Stock Number	520-16726
MLS Number	14107551
Category	Engine Oil Pans
Last Updated	2/27/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Used Mack ECM

$1,475 USD

Used Mack ECM, Engine Model: -

Condition	Used
Engine Model	-
Part Number	12MS51M7
Stock Number	509-17189
MLS Number	14070373
Category	Engine Control Modules (ECM)
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2020 Used Mack MP8 Crank Pulley

$65 USD

Used MP8 Crank Pulley, Type: Crank Pulley, Diameter: 9 1/4"

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	MP8
Will Fit Year(s)	2020
Part Number	22078824
Stock Number	521-12520
MLS Number	14107539
Category	Engine Pulleys
Last Updated	2/27/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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New Aftermarket Mack MP8 Oil Pan

$830 USD

New Aftermarket MP8 Oil Pan, Material: Steel

Quantity	2
Condition	Used
Part Number	21585801
Stock Number	520-16682
MLS Number	14017320
Category	Engine Oil Pans
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2020 Used Mack MP8 Engine Wire Harness

$500 USD

Used MP8 Engine Wire Harness, Type: Engine Wiring Harness

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	MP8
Will Fit Year(s)	2020
Part Number	23079753
Stock Number	514-12977
MLS Number	14107538
Category	Engine Wiring Harnesses
Last Updated	2/27/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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1999 Used Mack E7 Valve Cover

$81 USD

Used E7 Valve Cover, Side: N/A, Material: Aluminum

Quantity	2
Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	E7
Will Fit Year(s)	1999
Side	N/A
Part Number	337GB537
Stock Number	556-11842
MLS Number	14076513
Category	Valve Covers
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Used Mack MP7 Thrust Washer

$10 USD

Used MP7 Thrust Washer, Type: Idler Gear Retainer

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	MP7
Part Number	8131850
Stock Number	513-27307
MLS Number	13907808
Category	Engine Gears
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2014 Used Mack MP8 Oil Pan

$325 USD

Used MP8 Oil Pan, Material: Steel

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	MP8
Will Fit Year(s)	2014
Part Number	2645517
Stock Number	520-16564
MLS Number	13750248
Category	Engine Oil Pans
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2019 Used Mack MP7 Adapter Bracket

$15 USD

Used MP7 Adapter Bracket, Type: Adapter Bracket, Material: Steel

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	MP7
Will Fit Year(s)	2019
Part Number	20862692
Stock Number	502-18600
MLS Number	13775883
Category	Engine Brackets
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2019 Used Mack MP7 Bull Gear

$230 USD

Used MP7 Bull Gear, Type: Timing Gear

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	MP7
Will Fit Year(s)	2019
Part Number	20480556
Stock Number	513-27279
MLS Number	13782751
Category	Engine Gears
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2019 Used Mack MP7 EGR Bracket

$70 USD

Used MP7 EGR Bracket, Type: EGR Bracket, Material: Cast Iron

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	MP7
Will Fit Year(s)	2019
Part Number	21461620
Stock Number	502-18598
MLS Number	13770743
Category	Engine Brackets
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2019 Used Mack MP7 EGR Bracket

$70 USD

Used MP7 EGR Bracket, Type: EGR Bracket, Material: Cast Iron

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	MP7
Will Fit Year(s)	2019
Part Number	21461618
Stock Number	502-18596
MLS Number	13770739
Category	Engine Brackets
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Frontier Truck Parts Used Mack Engine Parts For Sale

Showing 1 - 25 of 169 Engine Part Listings