Dayco Truck Parts For Sale

New Dayco HD Idler/Tensioner Pulley

$45 USD

New Dayco HD Idler/Tensioner Pulley, Type: Idler Pulley, Diameter: 74mm/2.91"

Condition	Used
Part Number	89109
Stock Number	521-11587
MLS Number	10073936
Category	Engine Pulleys
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

New Dayco HD Idler/Tensioner Pulley

$22 USD

New Dayco HD Idler/Tensioner Pulley, Type: Idler Pulley, Diameter: 78mm/3.07"

Condition	Used
Part Number	89104
Stock Number	521-11585
MLS Number	10073934
Category	Engine Pulleys
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

New Dayco HD Idler/Tensioner Pulley

$75 USD

New Dayco HD Idler/Tensioner Pulley, Type: Idler Pulley, Diameter: 74mm/2.91"

Condition	Used
Part Number	89102
Stock Number	521-11583
MLS Number	10073932
Category	Engine Pulleys
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

New Dayco HD Automatic Belt Tensioner

$94 USD

New Dayco HD Automatic Belt Tensioner, Type: Automatic, Diameter: 74mm/2.91"

Condition	Used
Part Number	89492
Stock Number	578-10150
MLS Number	12557396
Category	Belt Tensioners
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

New Dayco HD Automatic Belt Tensioner

$97 USD

New Dayco HD Automatic Belt Tensioner, Type: Automatic, Diameter: 74mm/2.91"

Condition	Used
Part Number	89484
Stock Number	578-10148
MLS Number	12557394
Category	Belt Tensioners
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

New Dayco HD Automatic Belt Tensioner

$102 USD

New Dayco HD Automatic Belt Tensioner, Type: Automatic, Diameter: 74mm/2.91"

Condition	Used
Part Number	89481
Stock Number	578-10147
MLS Number	12557393
Category	Belt Tensioners
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

New Dayco HD Automatic Belt Tensioner

$139 USD

New Dayco HD Automatic Belt Tensioner, Type: Automatic, Diameter: 74mm/2.91"

Condition	Used
Part Number	89480
Stock Number	578-10146
MLS Number	12557392
Category	Belt Tensioners
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

New Dayco HD Automatic Belt Tensioner

$105 USD

New Dayco HD Automatic Belt Tensioner, Type: Automatic, Diameter: 74mm/2.91"

Condition	Used
Part Number	89479
Stock Number	578-10145
MLS Number	12557391
Category	Belt Tensioners
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

New Dayco HD Automatic Belt Tensioner

$98 USD

New Dayco HD Automatic Belt Tensioner, Type: Automatic, Diameter: 74mm/2.91"

Condition	Used
Part Number	89478
Stock Number	578-10144
MLS Number	12557390
Category	Belt Tensioners
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

New Dayco HD Automatic Belt Tensioner

$75 USD

New Dayco HD Automatic Belt Tensioner, Type: Automatic, Diameter: 60mm/2.36"

Condition	Used
Part Number	89474
Stock Number	578-10142
MLS Number	12557389
Category	Belt Tensioners
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

New Dayco HD Automatic Belt Tensioner

$72 USD

New Dayco HD Automatic Belt Tensioner, Type: Automatic, Diameter: 74mm/2.91"

Condition	Used
Part Number	89473
Stock Number	578-10141
MLS Number	12557388
Category	Belt Tensioners
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

New Dayco HD Automatic Belt Tensioner

$109 USD

New Dayco HD Automatic Belt Tensioner, Type: Automatic, Diameter: 74mm/2.91"

Condition	Used
Part Number	89460
Stock Number	578-10139
MLS Number	12557387
Category	Belt Tensioners
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

New Dayco HD Automatic Belt Tensioner

$128 USD

New Dayco HD Automatic Belt Tensioner, Type: Automatic, Diameter: 74mm/2.91"

Condition	Used
Part Number	89458
Stock Number	578-10138
MLS Number	12557386
Category	Belt Tensioners
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

New Dayco HD Automatic Belt Tensioner

$98 USD

New Dayco HD Automatic Belt Tensioner, Type: Automatic, Diameter: 74mm/2.91"

Condition	Used
Part Number	89457
Stock Number	578-10137
MLS Number	12557385
Category	Belt Tensioners
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

New Dayco HD Automatic Belt Tensioner

$155 USD

New Dayco HD Automatic Belt Tensioner, Type: Automatic, Diameter: 80mm/3.15"

Condition	Used
Part Number	89456
Stock Number	578-10136
MLS Number	12557384
Category	Belt Tensioners
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

New Dayco HD Automatic Belt Tensioner

$93 USD

New Dayco HD Automatic Belt Tensioner, Type: Automatic, Diameter: 74mm/2.91"

Condition	Used
Part Number	89450
Stock Number	578-10135
MLS Number	12557383
Category	Belt Tensioners
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

New Dayco HD Automatic Belt Tensioner

$145 USD

New Dayco HD Automatic Belt Tensioner, Type: Automatic, Diameter: 74mm/2.91"

Condition	Used
Part Number	89448
Stock Number	578-10133
MLS Number	12557382
Category	Belt Tensioners
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

New Dayco HD Automatic Belt Tensioner

$126 USD

New Dayco HD Automatic Belt Tensioner, Type: Automatic, Diameter: 74mm/2.91"

Condition	Used
Part Number	89447
Stock Number	578-10132
MLS Number	12557381
Category	Belt Tensioners
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

New Dayco HD Automatic Belt Tensioner

$71 USD

New Dayco HD Automatic Belt Tensioner, Type: Automatic, Diameter: 78mm/3.07"

Condition	Used
Part Number	89438
Stock Number	578-10127
MLS Number	12557379
Category	Belt Tensioners
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

New Dayco HD Automatic Belt Tensioner

$117 USD

New Dayco HD Automatic Belt Tensioner, Type: Automatic, Diameter: 74mm/2.91"

Condition	Used
Part Number	89436
Stock Number	578-10126
MLS Number	12557378
Category	Belt Tensioners
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

New Dayco HD Automatic Belt Tensioner

$107 USD

New Dayco HD Automatic Belt Tensioner, Type: Automatic, Diameter: 74mm/2.91"

Condition	Used
Part Number	89419
Stock Number	578-10125
MLS Number	12557377
Category	Belt Tensioners
Last Updated	1/24/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

(844) 385-___ SHOW
NUMBERCall Seller

Dayco 50-0046 Belt Tensioner

$45 USD

(GOOD USED) Dayco OEM Belt Tensioner off Caterpillar Engine, for sale!!!! Part #: 50-0046; Stock #: P1056 For more information about this listing, shipping, technical questions email us at...

Condition	Used
Part Number	50-0046
Stock Number	P1056
MLS Number	13648545
Category	Belt Tensioners
Last Updated	6/16/2025
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

(844) 385-___ SHOW
NUMBERCall Seller

Dayco 87GB46A Belt Tensioner for Mack

$40 USD

(GOOD USED) OEM DAYCO Belt Tensioner for Mack Diesel Engine, for sale!!! Part #: 87GB46A; Stock #: P1051 For more information about this listing, shipping, technical questions email us at...

Condition	Used
Fits To Make(s)	Mack
Part Number	87GB46A
Stock Number	P1051
MLS Number	13469053
Category	Belt Tensioners
Last Updated	3/25/2025
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

(305) 688-___ SHOW
NUMBERCall Seller

Dayco Belt Tensioner Part # 1875130

$50 USD

(GOOD USED) Dayco Automatic Belt Tensioner CH For Sale, Part # 1875130, Other Part # 1200, 270, 1202, 6A, CH, Stock # 5816 | Tested Inspected! All our PARTS are TESTED and Ship PRIORITY...

Condition	Used
Part Number	1875130
Stock Number	5816
MLS Number	12332243
Category	Belt Tensioners
Last Updated	9/22/2023
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.