Dayco 28390 Accessory Drive Belt - Air Conditioning, Fan or Fan and Generator

Brand Dayco 28390
Position Fan and Generator
Angle 38
Belt Construction Double Cog
Color Black
Effective Length 39
Effective Length 990.60
Material Synthetic Rubber Compound
Maximum Operating Temperature 79.4
Maximum Operating Temperature 175
Minimum Operating Temperature -37.2
Minimum Operating Temperature -35
Outside Circumference 39.64
Outside Circumference 1006.86
Standards SAE J636, SAE J637
Top Width .88
Fits Pontiac

Synthetic rubber compound. Delivers durable, flexible performance in accessory drive applications.

Double-cog construction. Helps the belt run smoothly and maintain reliable grip.

SAE J636, J637. Built to meet recognized belt performance standards.

Cross-references ACDelco T28390, AMC 3224366 and CARQUEST TR28390 for the same application. See all 33.

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Dayco 28390 Accessory Drive Belt

The Dayco 28390 accessory drive belt is built for accessory drive belt system applications that demand stable operation and consistent belt tracking. It uses a synthetic rubber compound with a double cog construction to support flexible routing and reliable performance in the belt drive system.

Key Features

  • Synthetic rubber compound construction for accessory drive use
  • Double cog belt design for improved flexibility around pulleys
  • Black finish with a 0.88 in top width
  • Effective length: 39 in; outside circumference: 39.64 in
  • 38-degree angle profile
  • Meets SAE J636 and SAE J637 standards
  • Operating temperature range: -35 to 175 degrees

Detailed Description

Dayco 28390 is an accessory drive belt engineered for vehicles that use a compact, cogged belt profile in the accessory drive belt system. The synthetic rubber compound helps the belt maintain form under heat and cold, while the double cog construction supports smoother flexing around accessory pulleys. For buyers searching for a Dayco 28390 belt, this part is a direct-fit style replacement for applications that call for the listed dimensions and profile. Cross-reference part numbers include Gates 19A1000 and NAPA 25-28390 for the same application.

What It Helps Address

  • Squealing or slipping accessory drive belt noise
  • Cracking, glazing, or visible wear on the belt surface
  • Loss of accessory drive performance from belt stretch or poor tracking
  • Incorrect belt length or profile during replacement service
  • Heat- and cold-related belt performance issues

Installation Notes and Tips

Verify belt length, top width, angle, and pulley routing before installation. Confirm the accessory drive belt system matches the 39 in effective length and 0.88 in top width specifications for Dayco 28390. Inspect pulleys, tensioners, and idlers for wear before installing the new belt, and replace any damaged components that could affect belt alignment. For fitment-based searches, this belt is commonly referenced for vehicle service where the correct accessory drive belt profile is required, including make/model lookup by application.

Quality Assurance

This belt is manufactured to SAE J636 and SAE J637 standards, with a temperature range from -35 to 175 degrees for broad operating conditions. Dayco 28390 is specified for accessory drive belt applications where dimensional accuracy and belt construction matter. Fits 2006-2011 Honda Civic, front right is not listed in the provided fitment data, so vehicle-specific confirmation should be based on the application catalog for the exact make/model match.

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 33 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACDelco — T28390AMC — 3224366CARQUEST — TR28390Cummins — 171583Cummins — 178651Cummins — 178665Cummins — 3040381Cummins — 3040467Dynacraft — D1102-5611Dynacraft — D1102-5625Euclid — 107788Euclid — 9033789FiatAllis — 75000020Freightliner — GT28391Freightliner — GT28394Freightliner — GTFL493Gates — 19A1000Gates — 493Gates — 600Gates — TR28390Goodyear — 28393Mitsuboshi — MF9380Mopar — B28391AMopar — B28397ANAPA — 25-09900NAPA — 25-28390Pirelli — 28-394White — 20804-5002White — 22386White — 22386BWhite — 8002826White — 8066318White — V1091043