Frontier Truck Parts Cummins X12 Engine Parts For Sale

Frontier Truck Parts
4363 Walnut Dale Dr.
Dorr, MI 49323
United States
(855) 300-2939

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Frontier Truck Parts

Industry
Truck Parts

Category
Engine Parts

Manufacturer
Cummins

Model
X12

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1 - 13 of 13 listings

Used Cummins X12 Vibration Damper

2019 Used Cummins X12 Vibration Damper

Newly Listed

$200 USD

Used X12 Vibration Damper, Type: Viscous, Diameter: 11 3/4"

Condition	Used
Fits To Make(s)	Cummins
Fits To Model(s)	X12
Will Fit Year(s)	2019
Part Number	3698300
Stock Number	579-10932
MLS Number	14235518
Category	Engine Harmonic Balancers
Last Updated	3/11/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Used Cummins X12 Cam Gear

2019 Used Cummins X12 Cam Gear

Newly Listed

$75 USD

Used X12 Cam Gear, Type: Camshaft Gear

Condition	Used
Fits To Make(s)	Cummins
Fits To Model(s)	X12
Will Fit Year(s)	2019
Part Number	3692546
Stock Number	513-27341
MLS Number	14235517
Category	Engine Gears
Last Updated	3/11/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Used Cummins X12 Idler Gear

2019 Used Cummins X12 Idler Gear

Newly Listed

$35 USD

Used X12 Idler Gear, Type: Idler Gear

Condition	Used
Fits To Make(s)	Cummins
Fits To Model(s)	X12
Will Fit Year(s)	2019
Part Number	3692549
Stock Number	513-27342
MLS Number	14235516
Category	Engine Gears
Last Updated	3/11/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Frontier Truck Parts

Used Cummins X12 Exhaust Rocker Arm

Used Cummins X12 Exhaust Rocker Arm

Newly Listed

$75 USD

Used X12 Exhaust Rocker Arm, Type: Exhaust Rocker Arm

Condition	Used
Will Fit Year(s)	2019 & Up
Part Number	3697534
Stock Number	525-17330
MLS Number	14235515
Category	Engine Valve Trains
Last Updated	3/11/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Used Cummins X12 Valve Cover

2019 Used Cummins X12 Valve Cover

Newly Listed

$450 USD

Used X12 Valve Cover, Side: N/A, Material: Composite

Condition	Used
Fits To Make(s)	Cummins
Fits To Model(s)	X12
Will Fit Year(s)	2019
Side	N/A
Part Number	5537230
Stock Number	556-11872
MLS Number	14227968
Category	Valve Covers
Last Updated	3/7/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Frontier Truck Parts

Used Cummins X12 Fan Support Bracket

2019 Used Cummins X12 Fan Support Bracket

Newly Listed

$80 USD

Used X12 Fan Support Bracket, Type: Fan Drive Bracket, Material: Aluminum

Condition	Used
Fits To Make(s)	Cummins
Fits To Model(s)	X12
Will Fit Year(s)	2019
Part Number	3693637
Stock Number	502-18665
MLS Number	14227967
Category	Engine Brackets
Last Updated	3/7/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Frontier Truck Parts

Used Cummins X12 Support Bracket

2019 Used Cummins X12 Support Bracket

Newly Listed

$250 USD

Used X12 Support Bracket, Type: Engine Bracket, Material: Steel

Condition	Used
Fits To Make(s)	Cummins
Fits To Model(s)	X12
Will Fit Year(s)	2019
Part Number	3694677
Stock Number	502-18667
MLS Number	14227965
Category	Engine Brackets
Last Updated	3/7/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Frontier Truck Parts

Used Cummins X12 EGR Valve Support

2019 Used Cummins X12 EGR Valve Support

Newly Listed

$650 USD

Used X12 EGR Valve Support, Type: EGR Valve Bracket, Material: Aluminum

Condition	Used
Fits To Make(s)	Cummins
Fits To Model(s)	X12
Will Fit Year(s)	2019
Part Number	3691966
Stock Number	502-18668
MLS Number	14227964
Category	Engine Brackets
Last Updated	3/7/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Frontier Truck Parts

Used Cummins X12 Crank Pulley

2019 Used Cummins X12 Crank Pulley

Newly Listed

$150 USD

Used X12 Crank Pulley, Type: Crank Pulley, Diameter: 7 3/4" 10 1/8"

Condition	Used
Fits To Make(s)	Cummins
Fits To Model(s)	X12
Will Fit Year(s)	2019
Part Number	3693213
Stock Number	521-12528
MLS Number	14227963
Category	Engine Pulleys
Last Updated	3/7/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Used Cummins X12 A/C Compressor Bracket

2019 Used Cummins X12 A/C Compressor Bracket

$40 USD

Used X12 A/C Compressor Bracket, Type: A/C Compressor Bracket, Material: Cast Iron

Condition	Used
Fits To Make(s)	Cummins
Fits To Model(s)	X12
Will Fit Year(s)	2019
Part Number	3694205
Stock Number	502-18666
MLS Number	14221830
Category	Engine Brackets
Last Updated	3/4/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Frontier Truck Parts

Used Cummins X12 Alternator Bracket

2019 Used Cummins X12 Alternator Bracket

$50 USD

Used X12 Alternator Bracket, Type: Alternator Bracket, Material: Aluminum

Condition	Used
Fits To Make(s)	Cummins
Fits To Model(s)	X12
Will Fit Year(s)	2019
Part Number	3693476
Stock Number	502-18669
MLS Number	14221829
Category	Engine Brackets
Last Updated	3/4/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Frontier Truck Parts

Used Cummins X12 Block Stiffener

2019 Used Cummins X12 Block Stiffener

$160 USD

Used X12 Block Stiffener, Type: Block Stiffener, Material: Steel

Condition	Used
Fits To Make(s)	Cummins
Fits To Model(s)	X12
Will Fit Year(s)	2019
Part Number	5486623
Stock Number	538-10376
MLS Number	14168098
Category	Engine Parts
Last Updated	2/28/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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NUMBERCall Seller

Frontier Truck Parts

Used Cummins X12 Idler Gear

2019 Used Cummins X12 Idler Gear

$150 USD

Used X12 Idler Gear, Type: Idler Gear

Condition	Used
Fits To Make(s)	Cummins
Fits To Model(s)	X12
Will Fit Year(s)	2019
Part Number	3694722
Stock Number	513-27340
MLS Number	14168097
Category	Engine Gears
Last Updated	2/28/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

(855) 300-___ SHOW
NUMBERCall Seller

Frontier Truck Parts

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