/live/media/DY/DY_5120925_Fro.jpg)
Dayco 5120925 Serpentine Belt - Fan and Water Pump, Fan or Alternator and Water Pump
| Brand | Dayco 5120925 |
|---|---|
| Position | Fan and Water Pump and Fan, Alternator and Water Pump |
| Material | Epdm, aramid reinforced |
| Top Width | 1.66 |
| Color | Black |
| Effective Length | 2349.50 |
| Effective Length | 92.5 |
| Outside Circumference | 2366.27 |
| Outside Circumference | 93.16 |
| Rib Quantity | 12 |
| 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 in demanding accessory drive systems.
12-rib design. Provides broad belt contact for dependable power transfer.
SAE standards. Built to meet SAE J1459 and SAE J2432 requirements.
Cross-references ACDelco 12K924, ACDelco K120924HD and CARQUEST K120924 for the same application. See all 12.
Dayco 5120925 Serpentine Belt Overview
The Dayco 5120925 serpentine belt is a K-section accessory drive belt built for demanding engine accessory systems. It uses EPDM with aramid reinforcement for stable performance across a wide temperature range, making it a practical choice for heavy-duty belt drive service.
Compatible With Cummins applications and other vehicles using a 12-rib, 92.5-inch effective length belt, this Dayco serpentine belt is engineered for consistent grip and dependable power transfer. It is also a direct search match for Dayco 5120925 and related 12K924 cross-reference applications.
Key Features
- EPDM construction with aramid reinforcement for durability
- 12-rib K-section profile for accessory drive systems
- Effective length: 92.5 in. / 2349.50 mm
- Outside circumference: 93.16 in. / 2366.27 mm
- Top width: 1.66 in. with straight rib profile
- Black finish with standard rib depth
- Meets SAE J1459 and SAE J2432 standards
- Operating temperature range: -45°F to 212°F
Detailed Description
Dayco 5120925 is a serpentine belt designed for accessory drive belt system components that require a 12-rib K-section belt with a 92.5-inch effective length. The EPDM compound helps the belt maintain flexibility and wear resistance, while aramid reinforcement adds strength for sustained belt loading in engine accessory drives. This makes it a strong fit for Cummins belt drive applications and other heavy-duty setups that call for the same dimensions and rib count.
For buyers searching Dayco 5120925, 5120925 serpentine belt, or a 12-rib accessory drive belt for Cummins, this part provides the dimensional match and construction details needed for accurate replacement selection. It also cross-references Gates K120924 and ACDelco 12K924 for the same application.
What It Helps Address
- Squealing or slipping from a worn serpentine belt
- Cracking, glazing, or rib wear on the belt surface
- Loss of accessory drive consistency
- Noise from an aging belt in the accessory drive system
- Replacement needs for 12-rib K-section belt applications
Installation Notes and Tips
Verify rib count, belt length, and cross section before ordering. Confirm the routing path and pulley alignment on the vehicle before installation, especially on Cummins and other heavy-duty engine accessory drive systems. Inspect idlers, tensioners, and pulleys for wear before fitting the new belt, and compare the removed belt to Dayco 5120925 to confirm the correct application.
Quality Assurance
Dayco manufactures this belt to SAE J1459 and SAE J2432 standards, with EPDM and aramid-reinforced construction selected for accessory drive durability and temperature stability. For shoppers comparing Dayco 5120925 against OE-style replacements, the part number and dimensional specifications provide a reliable reference for selection.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| No rows match your filter. | ||||