Dayco 5120858 | Serpentine Belt

Name: Dayco 5120858 | Serpentine Belt
Brand: Dayco
SKU: DAY5120858
Price: 81.99 USD
Availability: InStock

Part Number

5120858

Serpentine Belt

Fits: 10-15 Kenworth T660, 10-17 Kenworth T800, 11-15 Kenworth T700, 11-18 Peterbilt 367, 11 Peterbilt 386, 11 Peterbilt 387, 11-13 Peterbilt 388, 11-13 Peterbilt 389, 11-17 Peterbilt 587, 13-18 Kenworth T680, 14 Peterbilt 386, 13-17 Peterbilt 579, 14-15 Peterbilt 567, 15-18 Kenworth T880, 18 Peterbilt 567

Special Price $69.69 Regular Price $81.99

In stock

Only 4 left

Estimated Ship Date: 1 Business Day or Less

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Details

The Dayco® Poly Rib® Belt is designed for power transmission on heavy duty multiple-accessory drives. This Poly Rib belt is the latest version of the revolutionary multi-ribbed belt first developed by Dayco® for the 1979 Ford® Mustang®. The Dayco® Poly Rib® Belt is manufactured from an extreme temperature EPDM rubber and features a construction that uses a highly fiber loaded compound to maximize belt life and load carrying requirements while minimizing pulley misalignment noise. This belt offers excellent resistance to high under hood temperatures and ozone contamination. In addition, specially formulated treated cord insures length and tension stability on heavy duty diesel engine drives for the life of the belt. The Dayco® Poly Rib® Belt meets or exceeds SAE J1459 and SAE J2432 specifications.

BRAND: Dayco

FEATURES:

POLY RIB BELT, DAYCO

SPECIFICS:

381	12
Color	Black
Cross Section	K-Section
Effective Length	2180.09
Effective Length	85.83
Material	EPDM, Aramid Reinforced
Maximum Operating Temperature	212
Maximum Operating Temperature	100
Minimum Operating Temperature	-42.7
Minimum Operating Temperature	-45
Outside Circumference	2194.31
Outside Circumference	86.39
Rib Depth	Standard
Rib Profile	Straight Rib
Standards	SAE J1459, SAE J2432
Top Width	1.66

DOWNLOADS:

INTERCHANGE:

ACDelco: 12K858
ACDelco: K120858HD
CARQUEST: K120858
NAPA: 25-120858HD
Gates: K120858
NAPA: 25-120858
Dynacraft: D84-1000-6122180
Gates: K120858HD
CARQUEST: K120858HD

APPLICATIONS:

2010-2015 Kenworth T660 - Position: Fan, Alternator and Water Pump

86 In. Belt

2011-2013 Peterbilt 388 - Position: Fan and Alternator

87 1/4 In. Belt

2013-2017 Peterbilt 579 - Position: Fan
2011-2013 Peterbilt 389 - Position: Fan and Alternator

86 In. Belt

2013-2018 Kenworth T680 - Position: Fan
2011-2011 Peterbilt 386 - Position: Fan and Alternator
2014-2014 Peterbilt 386 - Position: Fan and Alternator

86 In. Belt

2010-2010 Kenworth T800 - Position: Fan, Alternator and Water Pump

86 In. Belt

2011-2017 Kenworth T800 - Position: Fan and Alternator

86 In. Belt

2015-2018 Kenworth T880 - Position: Fan and Alternator
2011-2012 Peterbilt 587 - Position: Fan and Alternator

86 In. Belt

2011-2018 Peterbilt 367 - Position: Fan and Alternator

86 In. Belt

2011-2011 Peterbilt 387 - Position: Fan and Alternator
2014-2015 Peterbilt 567 - Position: Fan and Alternator
2018-2018 Peterbilt 567 - Position: Fan and Alternator
2011-2015 Kenworth T700 - Position: Fan
2013-2017 Peterbilt 587 - Position: Fan and Alternator

Product Questions (4)

Customer Questions

Can a serpentine belt cause smoke?

Yes, a serpentine belt can cause smoke. A serpentine belt is an essential component of a vehicle's engine system. It drives various accessories such as the alternator, power steering pump, water pump, and air conditioning compressor. If the serpentine belt becomes worn, damaged, or misaligned, it can cause friction and generate smoke.

Why is my serpentine belt squealing?

The serpentine belt can squeal due to various reasons, including tension issues, worn-out belt, or a problem with the belt's pulleys.

Is my serpentine belt too tight?

If your serpentine belt is causing issues like excessive noise or accelerated wear on the pulleys, it may indicate that the belt is too tight.

Why did my serpentine belt come off?

Serpentine belts can come off due to factors such as belt wear, improper tension, misaligned pulleys, or a faulty tensioner.