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Roadmax 8K645AP Serpentine Belt - Fan or Fan and Alternator
| Brand | Roadmax 8K645AP |
|---|---|
| Position | Fan and Fan and Alternator |
| Material | Epdm |
| Top Width | 1.087 |
| Top Width | 28 |
| Cord Material | Polyester |
| Cross Section Designation | K |
| Effective Length | 1643 |
| Effective Length | 64.67 |
| Outside Circumference | 1658 |
| Outside Circumference | 65.29 |
| Type | Automotive v-ribbed belt (standard) |
| Grade Type | Oe performance |
| Rib Quantity | 8 |
| Product line | Automotive V-Ribbed Belt (Standard) |
| Fits | Dodge · 20 vehicles |
OE performance grade. A dependable serpentine belt for everyday service.
EPDM construction. Resists heat and wear for consistent belt performance.
8-rib design. Helps maintain secure grip and smooth power transfer.
Cross-references Bando 8PK1640, Dayco 5080645 and Drive Rite 5080645DR for the same application. See all 57.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Roadmax 8K645AP Serpentine Belt Overview
The Roadmax 8K645AP is an automotive V-ribbed belt built for drivers who want dependable OE performance without stepping up to a premium belt line. Made with EPDM and polyester cord reinforcement, it is sized for accessory drive service on select Dodge diesel applications.
Roadmax positions this standard belt line for budget-conscious buyers who still want a quality replacement for routine maintenance. The 8-rib, K-section design helps match the original belt profile used on the listed Dodge D250, D350, W250, and W350 applications.
Key Features
- Part number: 8K645AP
- Automotive V-ribbed belt, standard grade
- EPDM construction for accessory drive service
- Polyester cord material for belt stability
- 8-rib design with K cross section
- Effective length: 1643 mm (64.67 in.)
- Outside circumference: 1658 mm (65.29 in.)
- Top width: 28 mm (1.087 in.)
- OE Performance grade
Product Details
This serpentine belt is designed for accessory drive systems on 1989-1993 Dodge D250, Dodge D350, Dodge W250, and Dodge W350 models with the listed engine and equipment restrictions. It is specified for vehicles without air conditioning, and certain 1989 applications are for May 23, 1989 and newer builds. If you are searching for a Dodge D250 serpentine belt, Dodge W350 accessory drive belt, or a Roadmax 8K645AP replacement belt, this part matches the documented fitment and dimensions.
This part cross-references Gates K080645 and Dayco 5080645 for the same application.
Common Problems This Belt Can Address
- Squealing from a worn or glazed accessory drive belt
- Cracking, fraying, or rib wear on the existing belt
- Loss of proper belt tension due to age-related stretch
- Accessory drive noise caused by an incorrect belt profile
- Charging, cooling, or belt-driven accessory performance issues tied to belt wear
Installation Notes and Tips
Verify engine configuration, air conditioning equipment, and build date before ordering. Confirm the belt routing against the vehicle’s accessory drive diagram and inspect pulleys, tensioner condition, and alignment before installation. For best results, replace the belt only after checking for contamination, pulley damage, or seized accessories that could shorten service life.
Compatible With 1989-1993 Dodge D250, Dodge D350, Dodge W250, and Dodge W350 applications listed above. For fitment-focused searches, this Roadmax 8K645AP serpentine belt is a direct-match option for the specified Dodge diesel configurations.
Quality Assurance
Roadmax markets this standard belt line as an OE-performance replacement option for buyers who want dependable construction and correct fitment at a practical value level. The EPDM belt material and polyester cord reinforcement support consistent accessory drive operation in the listed applications.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1993 | Dodge | D250 | 5.9L | L6 | DIESEL | N/A | W/O A.C.; W/O Intercooler; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1993 | Dodge | D350 | 5.9L | L6 | DIESEL | N/A | W/O A.C.; W/O Intercooler; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1993 | Dodge | W250 | 5.9L | L6 | DIESEL | N/A | W/O A.C.; W/O Intercooler; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1993 | Dodge | W350 | 5.9L | L6 | DIESEL | N/A | W/O A.C.; W/O Intercooler; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1992 | Dodge | D250 | 5.9L | L6 | DIESEL | N/A | W/O A.C.; W/O Intercooler; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1992 | Dodge | D350 | 5.9L | L6 | DIESEL | N/A | W/O A.C.; W/O Intercooler; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1992 | Dodge | W250 | 5.9L | L6 | DIESEL | N/A | W/O A.C.; W/O Intercooler; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1992 | Dodge | W350 | 5.9L | L6 | DIESEL | N/A | W/O A.C.; W/O Intercooler; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1991 | Dodge | D250 | 5.9L | L6 | DIESEL | N/A | W/O A.C.; W/O Intercooler; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1991 | Dodge | D350 | 5.9L | L6 | DIESEL | N/A | W/O A.C.; W/O Intercooler; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1991 | Dodge | W250 | 5.9L | L6 | DIESEL | N/A | W/O A.C.; W/O Intercooler; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1991 | Dodge | W350 | 5.9L | L6 | DIESEL | N/A | W/O A.C.; W/O Intercooler; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1990 | Dodge | D250 | 5.9L | L6 | DIESEL | N/A | W/O A.C.; W/O Intercooler; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1990 | Dodge | D350 | 5.9L | L6 | DIESEL | N/A | W/O A.C.; W/O Intercooler; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1990 | Dodge | W250 | 5.9L | L6 | DIESEL | N/A | W/O A.C.; W/O Intercooler; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1990 | Dodge | W350 | 5.9L | L6 | DIESEL | N/A | W/O A.C.; W/O Intercooler; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1989 | Dodge | D250 | 5.9L | L6 | DIESEL | N/A | W/O A.C.; May 23, 1989 & Newer; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1989 | Dodge | D350 | 5.9L | L6 | DIESEL | N/A | W/O A.C.; May 23, 1989 & Newer; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1989 | Dodge | W250 | 5.9L | L6 | DIESEL | N/A | W/O A.C.; May 23, 1989 & Newer; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1989 | Dodge | W350 | 5.9L | L6 | DIESEL | N/A | W/O A.C.; May 23, 1989 & Newer; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
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