
Roadmax 6K420AP Serpentine Belt
Reliable Automotive V-Ribbed Belt for Multiple Vehicle Makes
The Roadmax Automotive V-Ribbed Belt (Standard) 6K420AP is engineered to provide consistent performance and durability for a variety of vehicles. Designed with quality materials and precise specifications, this serpentine belt supports essential engine functions in models from Audi, BMW, Chrysler, Dodge, Ford, INFINITI, Mercury, Nissan, and Volkswagen.
- Constructed from durable EPDM material for enhanced heat and wear resistance
- 6-rib design with a top width of 20 mm (.807 inches) for optimal grip and flexibility
- Polyester cord reinforcement for improved tensile strength and longevity
- Effective length of 1067 mm (41.99 inches) and outside circumference of 1081 mm (42.57 inches)
- Cross section designation K, suitable for standard automotive accessory drive systems
- OE performance grade ensuring compatibility and reliable operation
About the Roadmax Automotive V-Ribbed Belt (Standard) Product Line
The Automotive V-Ribbed Belt (Standard) line by Roadmax focuses on delivering serpentine belts that meet original equipment performance standards. This product line emphasizes durability and fitment accuracy, making it suitable for a wide range of vehicles requiring a standard 6-rib belt configuration. The 6K420AP part is a representative model within this line, designed to maintain proper accessory drive function and engine efficiency.
Technical Description and Specifications
The Roadmax 6K420AP serpentine belt features EPDM (ethylene propylene diene monomer) rubber, known for its resistance to heat, ozone, and wear, which contributes to a longer service life compared to traditional rubber belts. The belt’s 6-rib design with a 20 mm top width ensures a secure fit on pulleys, reducing slippage and noise. Reinforced with polyester cords, the belt maintains structural integrity under tension and varying engine loads. With an effective length of 1067 mm (41.99 inches) and an outside circumference of 1081 mm (42.57 inches), this belt is engineered to fit specific automotive applications accurately.
Compatible Vehicles and Common Applications
- Compatible with Audi A3 and Q3 Quattro models
- Fits BMW M3 and Volkswagen Beetle, Golf, Jetta, Passat, Polo, and Lupo
- Suitable for Chrysler Concorde and Dodge Intrepid
- Works with Ford Escort, Tempo, and Mercury Lynx
- Also compatible with INFINITI QX4, Nissan Maxima, Pathfinder, and Volkswagen CrossFox and SportVan
Common Issues Addressed by the 6K420AP Serpentine Belt
- Prevents belt slippage and squealing noises in accessory drive systems
- Reduces risk of premature belt wear and cracking
- Maintains proper tension for alternator, power steering, and air conditioning operation
- Helps avoid engine overheating caused by accessory drive failure
- Ensures consistent performance in varying temperature and driving conditions
Installation Notes and Tips
When installing the Roadmax 6K420AP serpentine belt, ensure the belt routing matches the vehicle manufacturer’s specifications. Inspect pulleys and tensioners for wear or damage before installation to prevent premature belt failure. Use proper tensioning tools to achieve the recommended belt tension, avoiding over-tightening which can cause bearing damage. It is advisable to replace the belt as part of routine maintenance intervals or when signs of wear are evident.
Quality Assurance and Warranty Information
Roadmax Automotive V-Ribbed Belts are manufactured to meet OE performance standards, ensuring reliable fit and function. The 6K420AP part undergoes quality control testing to verify material integrity and dimensional accuracy. While specific warranty details are not provided, Roadmax products typically adhere to industry standards for durability and performance.
| Brand | Roadmax |
| Part Number | 6K420AP |
| Position | Automotive V-Ribbed Belt (Standard), Air Conditioning, Alternator and Power Steering, Fan and Alternator, Alternator and Air Conditioning, and Hub and Alternator |
| Material | Epdm |
| Top Width | .807 |
| Top Width | 20 |
| Cord Material | Polyester |
| Cross Section Designation | K |
| Effective Length | 1067 |
| Effective Length | 41.99 |
| Outside Circumference | 1081 |
| Outside Circumference | 42.57 |
| Type | Automotive v-ribbed belt (standard) |
| Grade Type | Oe performance |
| Rib Quantity | 6 |
This part fits 82 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2015 | Audi | Q3 Quattro | 2.0L | L4 | DIESEL | N/A | Automotive V-Ribbed Belt (Standard) |
| 2014 | Audi | Q3 Quattro | 2.0L | L4 | DIESEL | N/A | Automotive V-Ribbed Belt (Standard) |
| 2014 | Volkswagen | Beetle | 2.0L | L4 | DIESEL | N/A | Automotive V-Ribbed Belt (Standard) |
| 2014 | Volkswagen | Golf | 2.0L | L4 | DIESEL | Alternator and Air Conditioning | Automotive V-Ribbed Belt (Standard) |
| 2014 | Volkswagen | Jetta | 2.0L | L4 | DIESEL | N/A | Automotive V-Ribbed Belt (Standard) |
| 2014 | Volkswagen | Passat | 2.0L | L4 | DIESEL | N/A | Automotive V-Ribbed Belt (Standard) |
| 2013 | Audi | A3 | 2.0L | L4 | DIESEL | N/A | Automotive V-Ribbed Belt (Standard) |
| 2013 | Audi | Q3 Quattro | 2.0L | L4 | DIESEL | N/A | Automotive V-Ribbed Belt (Standard) |
| 2013 | Volkswagen | Beetle | 2.0L | L4 | DIESEL | N/A | Automotive V-Ribbed Belt (Standard) |
| 2013 | Volkswagen | Golf | 2.0L | L4 | DIESEL | Alternator and Air Conditioning | Automotive V-Ribbed Belt (Standard) |
| 2013 | Volkswagen | Jetta | 2.0L | L4 | DIESEL | N/A | Automotive V-Ribbed Belt (Standard) |
| 2013 | Volkswagen | Passat | 2.0L | L4 | DIESEL | N/A | Automotive V-Ribbed Belt (Standard) |
| 2012 | Audi | A3 | 2.0L | L4 | DIESEL | N/A | Automotive V-Ribbed Belt (Standard) |
| 2012 | Volkswagen | Golf | 2.0L | L4 | DIESEL | Alternator and Air Conditioning | Automotive V-Ribbed Belt (Standard) |
| 2012 | Volkswagen | Jetta | 2.0L | L4 | DIESEL | N/A | Automotive V-Ribbed Belt (Standard) |
| 2012 | Volkswagen | Passat | 2.0L | L4 | DIESEL | N/A | Automotive V-Ribbed Belt (Standard) |
| 2011 | Audi | A3 | 2.0L | L4 | DIESEL | N/A | Automotive V-Ribbed Belt (Standard) |
| 2011 | Volkswagen | Golf | 2.0L | L4 | DIESEL | N/A | Automotive V-Ribbed Belt (Standard) |
| 2011 | Volkswagen | Jetta | 2.0L | L4 | DIESEL | Alternator and Air Conditioning | Automotive V-Ribbed Belt (Standard) |
| 2010 | Audi | A3 | 2.0L | L4 | DIESEL | N/A | Automotive V-Ribbed Belt (Standard) |
| 2010 | Volkswagen | Golf | 2.0L | L4 | DIESEL | N/A | Automotive V-Ribbed Belt (Standard) |
| 2010 | Volkswagen | Jetta | 2.0L | L4 | DIESEL | Alternator and Air Conditioning | Automotive V-Ribbed Belt (Standard) |
| 2009 | Volkswagen | Jetta | 2.0L | L4 | DIESEL | Alternator and Air Conditioning | Automotive V-Ribbed Belt (Standard) |
| 2009 | Volkswagen | Lupo | 1.6L | L4 | GAS | N/A | W/O A.C.; Automotive V-Ribbed Belt (Standard) |
| 2008 | BMW | M3 | 4.0L | V8 | GAS | Air Conditioning | Automotive V-Ribbed Belt (Standard) |
| 2008 | Volkswagen | CrossFox | 1.6L | L4 | GAS | N/A | W/O A.C.; Automotive V-Ribbed Belt (Standard) |
| 2008 | Volkswagen | Lupo | 1.6L | L4 | GAS | N/A | W/O A.C.; Automotive V-Ribbed Belt (Standard) |
| 2008 | Volkswagen | SportVan | 1.6L | L4 | GAS | N/A | W/O A.C.; Automotive V-Ribbed Belt (Standard) |
| 2007 | Volkswagen | CrossFox | 1.6L | L4 | GAS | N/A | W/O A.C.; Automotive V-Ribbed Belt (Standard) |
| 2007 | Volkswagen | Lupo | 1.6L | L4 | GAS | N/A | W/O A.C.; Automotive V-Ribbed Belt (Standard) |
| 2007 | Volkswagen | Polo | 1.6L | L4 | GAS | N/A | Automotive V-Ribbed Belt (Standard) |
| 2007 | Volkswagen | SportVan | 1.6L | L4 | GAS | N/A | W/O A.C.; Automotive V-Ribbed Belt (Standard) |
| 2006 | Nissan | Maxima | 3.5L | V6 | GAS | Alternator and Air Conditioning | Automotive V-Ribbed Belt (Standard) |
| 2006 | Volkswagen | Lupo | 1.6L | L4 | GAS | N/A | W/O A.C.; Automotive V-Ribbed Belt (Standard) |
| 2006 | Volkswagen | Polo | 1.6L | L4 | GAS | N/A | Automotive V-Ribbed Belt (Standard) |
| 2005 | Nissan | Maxima | 3.5L | V6 | GAS | Alternator and Air Conditioning | Automotive V-Ribbed Belt (Standard) |
| 2005 | Volkswagen | Lupo | 1.6L | L4 | GAS | N/A | W/O A.C.; Automotive V-Ribbed Belt (Standard) |
| 2005 | Volkswagen | Polo | 1.6L | L4 | GAS | N/A | Automotive V-Ribbed Belt (Standard) |
| 2004 | Chrysler | Concorde | 2.7L | V6 | GAS | Air Conditioning | Automotive V-Ribbed Belt (Standard) |
| 2004 | Chrysler | Intrepid | 2.7L | V6 | GAS | Air Conditioning | Automotive V-Ribbed Belt (Standard) |
| 2004 | Dodge | Intrepid | 2.7L | V6 | GAS | Air Conditioning | Automotive V-Ribbed Belt (Standard) |
| 2004 | Nissan | Maxima | 3.5L | V6 | GAS | Alternator and Air Conditioning | Automotive V-Ribbed Belt (Standard) |
| 2004 | Volkswagen | Polo | 1.6L | L4 | GAS | N/A | Automotive V-Ribbed Belt (Standard) |
| 2003 | Chrysler | Concorde | 2.7L | V6 | GAS | Air Conditioning | Automotive V-Ribbed Belt (Standard) |
| 2003 | Chrysler | Intrepid | 2.7L | V6 | GAS | Air Conditioning | Automotive V-Ribbed Belt (Standard) |
| 2003 | Dodge | Intrepid | 2.7L | V6 | GAS | Air Conditioning | Automotive V-Ribbed Belt (Standard) |
| 2002 | Chrysler | Concorde | 2.7L | V6 | GAS | Air Conditioning | Automotive V-Ribbed Belt (Standard) |
| 2002 | Chrysler | Intrepid | 2.7L | V6 | GAS | Air Conditioning | Automotive V-Ribbed Belt (Standard) |
| 2002 | Dodge | Intrepid | 2.7L | V6 | GAS | Air Conditioning | Automotive V-Ribbed Belt (Standard) |
| 2001 | Chrysler | Concorde | 2.7L | V6 | GAS | Air Conditioning | Automotive V-Ribbed Belt (Standard) |
| 2001 | Chrysler | Intrepid | 2.7L | V6 | GAS | Air Conditioning | Automotive V-Ribbed Belt (Standard) |
| 2001 | Dodge | Intrepid | 2.7L | V6 | GAS | Air Conditioning | Automotive V-Ribbed Belt (Standard) |
| 2000 | Chrysler | Concorde | 2.7L | V6 | GAS | Air Conditioning | Automotive V-Ribbed Belt (Standard) |
| 2000 | Chrysler | Intrepid | 2.7L | V6 | GAS | Air Conditioning | Automotive V-Ribbed Belt (Standard) |
| 2000 | Dodge | Intrepid | 2.7L | V6 | GAS | Air Conditioning | Automotive V-Ribbed Belt (Standard) |
| 2000 | INFINITI | QX4 | 3.3L | V6 | GAS | Fan and Alternator | Automotive V-Ribbed Belt (Standard) |
| 2000 | Nissan | Pathfinder | 3.3L | V6 | GAS | Fan and Alternator | Automotive V-Ribbed Belt (Standard) |
| 1999 | Chrysler | Concorde | 2.7L | V6 | GAS | Air Conditioning | Automotive V-Ribbed Belt (Standard) |
| 1999 | Chrysler | Intrepid | 2.7L | V6 | GAS | Air Conditioning | Automotive V-Ribbed Belt (Standard) |
| 1999 | Dodge | Intrepid | 2.7L | V6 | GAS | Air Conditioning | Automotive V-Ribbed Belt (Standard) |
| 1999 | INFINITI | QX4 | 3.3L | V6 | GAS | Fan and Alternator | Automotive V-Ribbed Belt (Standard) |
| 1999 | Nissan | Pathfinder | 3.3L | V6 | GAS | Fan and Alternator | Automotive V-Ribbed Belt (Standard) |
| 1998 | Chrysler | Concorde | 2.7L | V6 | GAS | Air Conditioning | Automotive V-Ribbed Belt (Standard) |
| 1998 | Chrysler | Intrepid | 2.7L | V6 | GAS | Air Conditioning | Automotive V-Ribbed Belt (Standard) |
| 1998 | Dodge | Intrepid | 2.7L | V6 | GAS | Air Conditioning | Automotive V-Ribbed Belt (Standard) |
| 1998 | INFINITI | QX4 | 3.3L | V6 | GAS | Fan and Alternator | Automotive V-Ribbed Belt (Standard) |
| 1998 | Nissan | Pathfinder | 3.3L | V6 | GAS | Fan and Alternator | Automotive V-Ribbed Belt (Standard) |
| 1997 | INFINITI | QX4 | 3.3L | V6 | GAS | Fan and Alternator | Automotive V-Ribbed Belt (Standard) |
| 1997 | Nissan | Pathfinder | 3.3L | V6 | GAS | Fan and Alternator | Automotive V-Ribbed Belt (Standard) |
| 1996 | Nissan | Pathfinder | 3.3L | V6 | GAS | Fan and Alternator | Automotive V-Ribbed Belt (Standard) |
| 1986 | Ford | Escort | 2.0L | L4 | DIESEL | Alternator and Power Steering | Automotive V-Ribbed Belt (Standard) |
| 1986 | Ford | Tempo | 2.0L | L4 | DIESEL | Alternator and Power Steering | Automotive V-Ribbed Belt (Standard) |
| 1986 | Mercury | Lynx | 2.0L | L4 | DIESEL | Alternator and Power Steering | Automotive V-Ribbed Belt (Standard) |
| 1986 | Mercury | Topaz | 2.0L | L4 | DIESEL | Alternator and Power Steering | Automotive V-Ribbed Belt (Standard) |
| 1985 | Ford | Escort | 2.0L | L4 | DIESEL | Alternator and Power Steering | Automotive V-Ribbed Belt (Standard) |
| 1985 | Ford | Tempo | 2.0L | L4 | DIESEL | Alternator and Power Steering | Automotive V-Ribbed Belt (Standard) |
| 1985 | Mercury | Lynx | 2.0L | L4 | DIESEL | Alternator and Power Steering | Automotive V-Ribbed Belt (Standard) |
| 1985 | Mercury | Topaz | 2.0L | L4 | DIESEL | Alternator and Power Steering | Automotive V-Ribbed Belt (Standard) |
| 1984 | Ford | Escort | 2.0L | L4 | DIESEL | Alternator and Power Steering | Automotive V-Ribbed Belt (Standard) |
| 1984 | Ford | Tempo | 2.0L | L4 | DIESEL | Alternator and Power Steering | Automotive V-Ribbed Belt (Standard) |
| 1984 | Mercury | Lynx | 2.0L | L4 | DIESEL | Alternator and Power Steering | Automotive V-Ribbed Belt (Standard) |
| 1984 | Mercury | Topaz | 2.0L | L4 | DIESEL | Alternator and Power Steering | 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.