317-825-5800
Serpentine Belt K Profile 78.40 in. EPDM Polyester - 815.4120786
Part#: AAA3014120786
Features and Benefits
- Serpentine belt type for multi-accessory drive applications on commercial engines
- EPDM belt material with polyester cord for superior heat resistance and tensile strength
- SAE J1459 compliant with 40-degree rib angle and cross section K for verified performance
- Twelve-rib configuration delivering efficient power transfer across multiple driven accessories
- Effective length of 78.40 in. ensures precise fitment and correct belt tension at installation
- OE performance grade with 2003 mm outside circumference for direct original-equipment fitment
Warranty
Up to 3 years warranty
Please contact customer service to know more details
| Belt Material | EPDM |
|---|---|
| Color | Black |
| Cord Material | Polyester |
| Cross Section Designation | K |
| Effective Length | 78.40 in. |
| Grade Type | OE Performance |
| Outside Circumference | 2003 mm |
| Rib Angle | 40 |
| Rib Quantity | 12 |
| SAE Standard | J1459 |
| Thickness | 0.17 in. |
| Top Cogged | No |
| Top Width | 42.20 in. |
| Belt Type | Serpentine Belt |
| Interchange |
|---|
| 12K784 |
| 12PK1990 |
| 12PK1991 |
| 12PK1995 |
| 20886342 |
| 25120784 |
| 4120786 |
| 5120783 |
| K120784 |
| K120784HD |
The Belt serpentine design features 12-rib EPDM construction with a polyester cord, engineered to OE performance standards for reliable power transmission on commercial vehicles. Meeting SAE J1459 specifications, the unit delivers consistent drive output and dependable operation across a wide range of engine configurations.
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