
Roadmax 4K551AP Serpentine Belt - Air Conditioning, Air Conditioning and Power Steering or Alternator and Air Conditioning
Reliable Automotive V-Ribbed Belt for Chrysler, Dodge, and Ford Vehicles
The Roadmax 4K551AP Automotive V-Ribbed Belt (Standard) is engineered to provide consistent performance for select Chrysler, Dodge, and Ford models. Designed with durable materials and precise dimensions, this serpentine belt ensures efficient accessory drive operation in vehicles like the Neon, PT Cruiser, and Transit series.
- Constructed from EPDM material for enhanced durability and heat resistance
- Features a 4-rib design with a K cross section for optimal grip and flexibility
- Effective length of 1400 mm (55.13 inches) and outside circumference of 1415 mm (55.75 inches)
- Polyester cord material for added tensile strength and longevity
- Top width options of 0.56 inches and 14 mm to fit specific pulley configurations
About the Roadmax Automotive V-Ribbed Belt (Standard) Line
The Automotive V-Ribbed Belt (Standard) line by Roadmax focuses on delivering serpentine belts that meet OEM specifications for standard accessory drive systems. This product line emphasizes reliable material composition and precise dimensional standards, making it suitable for a range of vehicles requiring consistent belt performance without specialized modifications.
Product Details and Specifications
The Roadmax 4K551AP serpentine belt is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and wear. Its 4-rib design with a K cross section ensures proper engagement with pulleys, reducing slippage and noise. The polyester cord embedded within the belt provides tensile strength, maintaining belt integrity under tension. With an effective length of 1400 mm (55.13 inches) and an outside circumference of 1415 mm (55.75 inches), this belt fits accessory drive systems on Chrysler Neon, Dodge PT Cruiser, and Ford Transit models including Transit-150, Transit-250, Transit-350, and Transit-350 HD.
Common Applications and Issues Addressed
- Replacement for worn or cracked serpentine belts in Chrysler Neon and Dodge PT Cruiser
- Restores proper accessory drive function in Ford Transit series vehicles
- Eliminates belt slippage and squealing noises caused by degraded belts
- Prevents accessory component failure due to belt breakage or stretching
- Maintains engine cooling and charging system efficiency by ensuring belt tension
Installation Notes and Tips
When installing the Roadmax 4K551AP belt, ensure the correct routing according to the vehicle’s service manual. Verify belt tension and alignment to prevent premature wear. It is recommended to inspect pulleys and tensioners for wear or damage during replacement. Proper installation will help maintain optimal accessory drive performance on Chrysler, Dodge, and Ford vehicles.
Quality Assurance and Warranty
Roadmax Automotive V-Ribbed Belts are manufactured to meet industry standards for durability and performance. The 4K551AP part number undergoes quality control to ensure dimensional accuracy and material integrity. While specific warranty details are not provided, Roadmax products typically adhere to manufacturer guidelines for replacement in case of defects.
| Brand | Roadmax |
| Part Number | 4K551AP |
| Position | Automotive V-Ribbed Belt (Standard), Air Conditioning and Power Steering, Alternator and Air Conditioning, and Air Conditioning |
| Material | Epdm |
| Top Width | .56 |
| Top Width | 14 |
| Cord Material | Polyester |
| Cross Section Designation | K |
| Effective Length | 1400 |
| Effective Length | 55.13 |
| Outside Circumference | 1415 |
| Outside Circumference | 55.75 |
| Type | Automotive v-ribbed belt (standard) |
| Rib Quantity | 4 |
This part fits 41 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2025 | Ford | Transit | 3.5L | V6 | GAS | Alternator and Air Conditioning | W/Dual Alts.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 2025 | Ford | Transit-150 | 3.5L | V6 | FLEX | Alternator and Air Conditioning | W/Dual Alts.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 2025 | Ford | Transit-250 | 3.5L | V6 | FLEX | Alternator and Air Conditioning | W/Dual Alts.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 2025 | Ford | Transit-350 | 3.5L | V6 | FLEX | Alternator and Air Conditioning | W/Dual Alts.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 2025 | Ford | Transit-350 HD | 3.5L | V6 | FLEX | Alternator and Air Conditioning | W/Dual Alts.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard) |
| 2024 | Ford | Transit | 3.5L | V6 | GAS | Alternator and Air Conditioning | W/Dual Alts.; Automotive V-Ribbed Belt (Standard) |
| 2024 | Ford | Transit-150 | 3.5L | V6 | FLEX | Alternator and Air Conditioning | W/Dual Alts.; Automotive V-Ribbed Belt (Standard) |
| 2024 | Ford | Transit-250 | 3.5L | V6 | FLEX | Alternator and Air Conditioning | W/Dual Alts.; Automotive V-Ribbed Belt (Standard) |
| 2024 | Ford | Transit-350 | 3.5L | V6 | FLEX | Alternator and Air Conditioning | W/Dual Alts.; Automotive V-Ribbed Belt (Standard) |
| 2024 | Ford | Transit-350 HD | 3.5L | V6 | FLEX | Alternator and Air Conditioning | W/Dual Alts.; Automotive V-Ribbed Belt (Standard) |
| 2023 | Ford | Transit | 3.5L | V6 | GAS | Alternator and Air Conditioning | W/Dual Alts.; Automotive V-Ribbed Belt (Standard) |
| 2023 | Ford | Transit-150 | 3.5L | V6 | FLEX | Alternator and Air Conditioning | W/Dual Alts.; Automotive V-Ribbed Belt (Standard) |
| 2023 | Ford | Transit-250 | 3.5L | V6 | FLEX | Alternator and Air Conditioning | W/Dual Alts.; Automotive V-Ribbed Belt (Standard) |
| 2023 | Ford | Transit-350 | 3.5L | V6 | FLEX | Alternator and Air Conditioning | W/Dual Alts.; Automotive V-Ribbed Belt (Standard) |
| 2023 | Ford | Transit-350 HD | 3.5L | V6 | FLEX | Alternator and Air Conditioning | W/Dual Alts.; Automotive V-Ribbed Belt (Standard) |
| 2022 | Ford | Transit | 3.5L | V6 | GAS | Air Conditioning | W/Dual Alts.; Automotive V-Ribbed Belt (Standard) |
| 2022 | Ford | Transit-150 | 3.5L | V6 | FLEX | Air Conditioning | W/Dual Alts.; Automotive V-Ribbed Belt (Standard) |
| 2022 | Ford | Transit-250 | 3.5L | V6 | FLEX | Air Conditioning | W/Dual Alts.; Automotive V-Ribbed Belt (Standard) |
| 2022 | Ford | Transit-350 | 3.5L | V6 | FLEX | Air Conditioning | W/Dual Alts.; Automotive V-Ribbed Belt (Standard) |
| 2022 | Ford | Transit-350 HD | 3.5L | V6 | FLEX | Air Conditioning | W/Dual Alts.; Automotive V-Ribbed Belt (Standard) |
| 2021 | Ford | Transit | 3.5L | V6 | GAS | Air Conditioning | W/Dual Alts.; Automotive V-Ribbed Belt (Standard) |
| 2021 | Ford | Transit-150 | 3.5L | V6 | FLEX | Air Conditioning | W/Dual Alts.; Automotive V-Ribbed Belt (Standard) |
| 2021 | Ford | Transit-250 | 3.5L | V6 | FLEX | Air Conditioning | W/Dual Alts.; Automotive V-Ribbed Belt (Standard) |
| 2021 | Ford | Transit-350 | 3.5L | V6 | FLEX | Air Conditioning | W/Dual Alts.; Automotive V-Ribbed Belt (Standard) |
| 2021 | Ford | Transit-350 HD | 3.5L | V6 | FLEX | Air Conditioning | W/Dual Alts.; Automotive V-Ribbed Belt (Standard) |
| 2020 | Ford | Transit | 3.5L | V6 | GAS | Alternator and Air Conditioning | W/Dual Alts.; Automotive V-Ribbed Belt (Standard) |
| 2020 | Ford | Transit-150 | 3.5L | V6 | FLEX | Alternator and Air Conditioning | W/Dual Alts.; Automotive V-Ribbed Belt (Standard) |
| 2020 | Ford | Transit-250 | 3.5L | V6 | FLEX | Alternator and Air Conditioning | W/Dual Alts.; Automotive V-Ribbed Belt (Standard) |
| 2020 | Ford | Transit-350 | 3.5L | V6 | FLEX | Alternator and Air Conditioning | W/Dual Alts.; Automotive V-Ribbed Belt (Standard) |
| 2020 | Ford | Transit-350 HD | 3.5L | V6 | FLEX | Alternator and Air Conditioning | W/Dual Alts.; Automotive V-Ribbed Belt (Standard) |
| 2010 | Chrysler | PT Cruiser | 2.4L | L4 | GAS | Air Conditioning and Power Steering | Automotive V-Ribbed Belt (Standard) |
| 2009 | Chrysler | PT Cruiser | 2.4L | L4 | GAS | Air Conditioning and Power Steering | Automotive V-Ribbed Belt (Standard) |
| 2008 | Chrysler | PT Cruiser | 2.4L | L4 | GAS | Air Conditioning and Power Steering | Automotive V-Ribbed Belt (Standard) |
| 2007 | Chrysler | PT Cruiser | 2.4L | L4 | GAS | Air Conditioning and Power Steering | Automotive V-Ribbed Belt (Standard) |
| 2006 | Chrysler | PT Cruiser | 2.4L | L4 | GAS | Air Conditioning and Power Steering | Automotive V-Ribbed Belt (Standard) |
| 2005 | Chrysler | PT Cruiser | 2.4L | L4 | GAS | Air Conditioning and Power Steering | Automotive V-Ribbed Belt (Standard) |
| 2005 | Dodge | Neon | 2.4L | L4 | GAS | N/A | Automotive V-Ribbed Belt (Standard) |
| 2004 | Chrysler | PT Cruiser | 2.4L | L4 | GAS | Air Conditioning and Power Steering | Automotive V-Ribbed Belt (Standard) |
| 2004 | Dodge | Neon | 2.4L | L4 | GAS | Air Conditioning and Power Steering | Automotive V-Ribbed Belt (Standard) |
| 2003 | Chrysler | PT Cruiser | 2.4L | L4 | GAS | Air Conditioning and Power Steering | Automotive V-Ribbed Belt (Standard) |
| 2003 | Dodge | Neon | 2.4L | L4 | GAS | Air Conditioning 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.