Dayco 5040636 Serpentine Belt - Water Pump To Air Conditioning

Brand Dayco 5040636
Position Water Pump To Air Conditioning
Color Black
Cross Section K-Section
Effective Length 63.60
Effective Length 1615.44
Material EPDM, Aramid Reinforced
Maximum Operating Temperature 100
Maximum Operating Temperature 212
Minimum Operating Temperature -45
Minimum Operating Temperature -42.7
Outside Circumference 64.26
Outside Circumference 1632.21
Rib Depth Standard
Rib Profile Straight Rib
Rib Quantity 4
Standards SAE J1459, SAE J2432
Top Width .54
Fits Honda · 3 vehicles

EPDM, aramid reinforced. Built for durable, dependable power transfer.

Straight rib profile. Helps maintain consistent belt contact and smooth operation.

SAE standards. Meets recognized industry specifications for accessory drive belts.

Cross-references ACDelco 4K635, Bando 4PK1615 and CARQUEST K040635 for the same application. See all 11.

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Dayco 5040636 Serpentine Belt Overview

The Dayco 5040636 serpentine belt is built for accessory drive applications that demand consistent grip and stable operation. It is a direct-fit belt for select 2003-2005 Honda Civic models in the water pump to air conditioning position.

Made with EPDM and aramid reinforcement, this Dayco serpentine belt is engineered for durability across a wide temperature range. If you need a replacement serpentine belt for a Honda Civic, Dayco 5040636 provides the correct K-section, 4-rib configuration for the specified application.

Key Features

  • Brand: Dayco
  • Part number: 5040636
  • Serpentine belt for accessory drive systems
  • EPDM construction with aramid reinforcement
  • 4-rib, K-section profile with straight ribs
  • Top width: 0.54 in.
  • Effective length: 63.60 in. (1615.44 mm)
  • Outside circumference: 64.26 in. (1632.21 mm)
  • Operating temperature range: -45°F to 212°F
  • Meets SAE J1459 and SAE J2432 standards

Detailed Description

Dayco 5040636 is a black serpentine belt designed for the accessory drive belt system on select Honda Civic applications. Its EPDM rubber construction helps maintain belt performance under heat and cold, while aramid reinforcement adds strength for demanding accessory drive operation. The 4-rib, straight-rib design supports reliable contact across the pulley path in the water pump to air conditioning position.

Fits 2003-2005 Honda Civic, water pump to air conditioning. This part cross-references ACDelco 4K635 and Gates K040635 for the same application. Dayco 5040636 is also listed with OE-style interchange references for Honda Civic belt replacement searches.

Common Problems This Belt Can Help Address

  • Squealing or chirping from a worn accessory drive belt
  • Cracking, glazing, or visible wear on the belt surface
  • Loss of proper drive to the water pump or air conditioning path
  • Belt slippage caused by age, heat, or contamination
  • Incorrect belt length or rib count on a replacement installation

Installation Notes and Tips

Verify the belt routing and pulley alignment before installation. Confirm the application by matching the vehicle year, make, model, and position: Fits 2003-2005 Honda Civic, water pump to air conditioning. Inspect tensioners, idlers, and pulley surfaces at the same time, since worn components can shorten belt life. Compare the old belt’s dimensions and rib count to Dayco 5040636 before final fitment.

Quality Assurance

This Dayco serpentine belt is manufactured to SAE J1459 and SAE J2432 standards for accessory drive belt applications. Its EPDM and aramid-reinforced construction supports consistent performance in the specified operating temperature range.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2005HondaCivic1.3LL4Water Pump To Air Conditioning
2004HondaCivic1.3LL4Water Pump To Air Conditioning
2003HondaCivic1.3LL4Water Pump To Air Conditioning
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACDelco — 4K635Bando — 4PK1615CARQUEST — K040635Driveworks — 636K4Duralast — 636K4Gates — K040635Goodyear — 4040635Honda — 38920-PZA-004Mitsubishi — 41036004NAPA — 25-040635Toyota — 00602-17620-730