317-825-5800
Serpentine Belt K Profile 2139 mm EPDM Polyester - 1120842
Part#: AAA301120842
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 2139 mm ensures precise fitment and correct belt tension at installation
- OE performance grade with 84.70 in. 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 | 2139 mm |
| Grade Type | OE Performance |
| Outside Circumference | 84.70 in. |
| 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 |
|---|
| 12K842 |
| 12K843 |
| 12PK2130 |
| 12PK2135 |
| 12PK2139 |
| 12PK2140 |
| 12PK2145 |
| 21189554 |
| 23961883 |
| 25120842 |
| 3100402 |
| 3682891 |
| 4120842 |
| 5120843 |
| 842K12MK |
| K120842 |
| K120842HD |
| OTR12K842 |
| PP12K842 |
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.
Easy Returns
Hassle-free process
24/7 Online
Shop anytime
Secure Checkout
SSL safe payment
Wide Range
Hundreds of parts
Fast Shipping
Same-day dispatch