
Roadmax 6K858AP Serpentine Belt
Reliable Automotive V-Ribbed Belt for Multiple Vehicle Models
The Roadmax Automotive V-Ribbed Belt (Standard) 6K858AP is engineered to provide consistent performance for a range of vehicles including Buick, Ford, Mazda, Mercedes-Benz, Mercury, and Pontiac models. Designed with durable EPDM material and polyester cords, this serpentine belt ensures efficient power transmission and long service life.
- Constructed from high-quality EPDM for heat and wear resistance
- 6-rib design with a top width of 20 mm (.807 inches) for optimal grip
- Polyester cord material enhances tensile strength and flexibility
- Effective length of 2179 mm (85.78 inches) and outside circumference of 2195 mm (86.43 inches)
- Cross section designation K for compatibility with standard accessory drive systems
- OE performance grade for reliable fit and function
About the Roadmax Automotive V-Ribbed Belt (Standard) Line
The Automotive V-Ribbed Belt (Standard) product line by Roadmax focuses on delivering serpentine belts that meet original equipment specifications. This line emphasizes durability and consistent performance across various automotive applications. The 6K858AP belt is part of this line, designed to maintain proper accessory drive system operation in compatible vehicles.
Detailed Product Description
This serpentine belt features a 6-rib design with a top width of 20 mm, providing a secure grip on pulleys to drive multiple engine accessories efficiently. The EPDM material offers resistance to heat, ozone, and wear, which helps extend belt life under demanding conditions. Polyester cords embedded within the belt improve tensile strength and flexibility, reducing the risk of stretching or cracking. With an effective length of 2179 mm and an outside circumference of 2195 mm, this belt fits a variety of models such as the Ford Ranger, Mazda B3000, Mercedes-Benz C280, and Pontiac Bonneville.
Common Applications and Issues Addressed
- Replacement for worn or cracked serpentine belts in Buick Park Avenue and Mercury Mountaineer
- Restores proper accessory drive function in Ford F-100 Ranger and Focus models
- Prevents slipping and squealing noises caused by belt wear
- Maintains optimal performance of alternator, power steering, and air conditioning systems
- Compatible with Mercedes-Benz C36 AMG and Pontiac Mystique accessory drive setups
Installation Notes and Tips
Ensure the belt routing matches the vehicle’s accessory drive diagram before installation. Inspect pulleys and tensioners for wear or damage to avoid premature belt failure. Use proper tensioning tools to achieve manufacturer-recommended belt tension. The Roadmax 6K858AP belt is designed for direct replacement and should align with original equipment specifications for a straightforward installation.
Quality Assurance and Warranty
Roadmax Automotive V-Ribbed Belts are manufactured to meet OE performance standards, ensuring reliable operation and durability. The 6K858AP part number undergoes rigorous quality control to maintain consistent dimensions and material integrity. While specific warranty details are not provided, Roadmax products typically adhere to industry standards for quality and reliability.
| Brand | Roadmax |
| Part Number | 6K858AP |
| Position | Automotive V-Ribbed Belt (Standard), Supercharger, Fan and Air Conditioning, Alternator, and Air Conditioning |
| Material | Epdm |
| Top Width | .807 |
| Top Width | 20 |
| Cord Material | Polyester |
| Cross Section Designation | K |
| Effective Length | 2179 |
| Effective Length | 85.78 |
| Outside Circumference | 2195 |
| Outside Circumference | 86.43 |
| Type | Automotive v-ribbed belt (standard) |
| Grade Type | Oe performance |
| Rib Quantity | 6 |
This part fits 32 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2007 | Ford | Focus | 2.3L | L4 | GAS | N/A | W/O A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 2006 | Ford | Focus | 2.3L | L4 | GAS | N/A | W/O A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 2006 | Ford | Ranger | 3.0L | V6 | GAS | N/A | W/O A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 2006 | Mazda | B3000 | 3.0L | V6 | GAS | N/A | W/O A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 2005 | Ford | Focus | 2.3L | L4 | GAS | N/A | W/O A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 2005 | Ford | Ranger | 3.0L | V6 | GAS | N/A | W/O A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 2005 | Mazda | B3000 | 3.0L | V6 | GAS | N/A | W/O A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 2004 | Ford | Focus | 2.3L | L4 | GAS | N/A | W/O A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 2003 | Ford | Focus | 2.3L | L4 | GAS | N/A | W/O A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 2002 | Mercury | Mountaineer | 4.0L | V6 | FLEX | N/A | Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 2001 | Ford | F-100 Ranger | 3.0L | V6 | GAS | N/A | W/O A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 2001 | Ford | Ranger | 3.0L | V6 | FLEX | N/A | W/O A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 2001 | Mazda | B3000 | 3.0L | V6 | FLEX | N/A | W/O A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 2000 | Ford | F-100 Ranger | 3.0L | V6 | GAS | N/A | W/O A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 2000 | Ford | Ranger | 3.0L | V6 | FLEX | N/A | W/O A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 2000 | Mazda | B3000 | 3.0L | V6 | FLEX | N/A | W/O A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1999 | Ford | F-100 Ranger | 3.0L | V6 | GAS | N/A | W/O A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1999 | Ford | Ranger | 3.0L | V6 | FLEX | N/A | W/O A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1999 | Mazda | B3000 | 3.0L | V6 | FLEX | N/A | W/O A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1998 | Ford | Contour | 2.0L | L4 | BI-FUEL | N/A | W/A.C.; Jan. 31, 1998 & Older; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1998 | Ford | F-100 Ranger | 3.0L | V6 | GAS | N/A | W/O A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1998 | Ford | Ranger | 3.0L | V6 | GAS | N/A | W/O A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1998 | Mazda | B3000 | 3.0L | V6 | GAS | N/A | W/O A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1998 | Mercury | Mystique | 2.0L | L4 | GAS | N/A | W/A.C.; Jan. 1998 & Older; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1997 | Ford | F-100 Ranger | 3.0L | V6 | GAS | N/A | W/O A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1997 | Ford | Ranger | 3.0L | V6 | GAS | N/A | W/O A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1995 | Mercedes-Benz | C280 | 2.8L | L6 | GAS | N/A | Eng. No. 034966 & Before; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1995 | Mercedes-Benz | C36 AMG | 3.6L | L6 | GAS | N/A | Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1994 | Mercedes-Benz | C280 | 2.8L | L6 | GAS | N/A | Eng. No. 034966 & Before; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1992 | Buick | Park Avenue | 3.8L | V6 | GAS | Supercharger | Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1992 | Pontiac | Bonneville | 3.8L | V6 | GAS | Supercharger | Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 1991 | Buick | Park Avenue | 3.8L | V6 | GAS | Supercharger | Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.