Dayco 5100874 Serpentine Belt
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Dayco

Dayco 5100874 Serpentine Belt

Brand Dayco 5100874
Position Fan and Alternator, Fan, Fan, Alternator and Water Pump, Accessory Drive, Alternator, Water Pump and Air Conditioning, Main Drive, Air Conditioning, and Alternator
Material Epdm, aramid reinforced
Top Width 1.38
Color Black
Effective Length 2219.96
Effective Length 87.40
Outside Circumference 2234.19
Outside Circumference 87.96
Rib Quantity 10
Cross Section K-section
Maximum Operating Temperature 100
Maximum Operating Temperature 212
Minimum Operating Temperature -42.7
Minimum Operating Temperature -45
Rib Depth Standard
Rib Profile Straight rib
Standards Sae j1459, sae j2432
Fits —

Aramid reinforced. EPDM construction helps resist wear and heat.

Straight rib profile. Promotes smooth, efficient belt tracking.

SAE standards. Built to meet recognized performance requirements.

Cross-references CARQUEST K100874HD, Gates K100874HD and Goodyear 4100875 for the same application. See all 3.

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Dayco 5100874 Serpentine Belt Overview

The Dayco 5100874 serpentine belt is a K-section accessory drive belt built for demanding engine accessory systems. It uses EPDM with aramid reinforcement for stable operation across a wide temperature range and consistent rib tracking under load.

Compatible With applications that call for a 10-rib, 87.40-inch effective length serpentine belt, this Dayco belt is a direct-fit option for vehicles using the specified K-section profile. It is a practical choice for drivers searching for a Dayco 5100874 replacement serpentine belt for engine accessory drive service.

Key Features

  • EPDM construction with aramid reinforcement for durability in accessory drive service
  • 10-rib design with straight rib profile for belt-to-pulley engagement
  • K-section cross section for the specified application
  • 87.40-inch effective length and 87.96-inch outside circumference
  • Black finish with standard rib depth
  • Built to SAE J1459 and SAE J2432 standards
  • Operating temperature range from -45°F to 212°F

Detailed Description

Dayco 5100874 is an accessory drive serpentine belt engineered for vehicles that require a 10-rib K-section belt with an effective length of 87.40 inches. The EPDM rubber compound is paired with aramid reinforcement to support belt stability in high-load engine accessory systems, while the straight rib profile helps maintain consistent contact across the pulley set. For shoppers comparing Dayco 5100874, this belt is specified for applications that need precise dimensional matching and standard rib depth.

This part cross-references Gates K100874HD for the same application. If you are replacing a worn belt on a vehicle such as a Honda Civic or similar make/model application that uses this belt specification, verify the rib count, length, and section before installation.

Common Problems This Belt Can Address

  • Squealing or chirping from a worn accessory drive belt
  • Cracking, glazing, or fraying on the existing serpentine belt
  • Loss of proper belt tension due to belt wear
  • Accessory drive noise caused by poor rib engagement
  • Reduced belt performance in hot or cold operating conditions

Installation Notes and Tips

Confirm the belt path, rib count, effective length, and K-section profile against the original belt before installation. Inspect pulleys, tensioners, and idlers for wear or misalignment, since these conditions can shorten belt life and affect tracking. After installation, verify that the belt seats evenly in each pulley groove and runs smoothly through the full accessory drive system.

Quality Assurance

Dayco manufactures this belt to SAE J1459 and SAE J2432 standards, with material selection and reinforcement intended for consistent accessory drive performance across a broad temperature range. The Dayco 5100874 is built for applications that require a durable replacement serpentine belt with defined dimensional and rib specifications.

Related reading

This part fits 0 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
CARQUEST — K100874HDGates — K100874HDGoodyear — 4100875