HomeBelts and Cooling > Accessory Drive Belt System ComponentsRoadmax 8K1223AP Serpentine Belt - Water Pump, Fan or Alternator and Air Conditioning
Part #: 8K1223AP

Roadmax 8K1223AP Serpentine Belt - Water Pump, Fan or Alternator and Air Conditioning

Automotive V-Ribbed Belt (Standard), Water Pump, Fan, Alternator and Air Conditioning
⚙️ 14 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$37.65Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Automotive V-Ribbed Belt (Standard), Water Pump, Fan, Alternator and Air Conditioning
🚗Fitment: Ford, Excursion, F-250 Super Duty, and F-350 Super Duty
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Serpentine Belt for Ford Super Duty and Excursion

The Roadmax 8K1223AP Automotive V-Ribbed Belt (Standard) is engineered to provide consistent performance for Ford Excursion, F-250 Super Duty, and F-350 Super Duty models. Designed with durable materials and precise dimensions, this serpentine belt ensures efficient accessory drive operation under demanding conditions.

  • Constructed from EPDM material for enhanced durability and heat resistance
  • Features 8 ribs for optimal grip and power transmission
  • Top width of 1.087 inches (28 mm) for precise fitment
  • Effective length of 122.17 inches (3103 mm) to match OEM specifications
  • Polyester cord material for strength and flexibility
  • Cross section designation K for compatibility with standard accessory drive pulleys

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 standard OEM requirements for accessory drive systems. This line emphasizes material quality and dimensional accuracy to maintain proper tension and reduce slippage in automotive applications. The 8K1223AP part is a representative example, designed specifically for select Ford truck models requiring an 8-rib belt with K cross section.

Technical Details and Construction

This serpentine belt is made from EPDM (ethylene propylene diene monomer) rubber, known for its resistance to heat, ozone, and wear, which extends belt life in high-temperature engine environments. The belt’s 8 ribs provide a broad contact surface to drive multiple accessories such as the alternator, power steering pump, and air conditioning compressor efficiently. The polyester cord embedded within the belt adds tensile strength and flexibility, ensuring consistent performance and reduced elongation over time. With an outside circumference of approximately 122.735 inches (3117 mm), the 8K1223AP matches the exact length specifications required for proper fitment on compatible Ford vehicles.

Compatible Vehicles and Common Applications

  • Ford Excursion models requiring an 8-rib serpentine belt
  • Ford F-250 Super Duty trucks with standard accessory drive belt systems
  • Ford F-350 Super Duty vehicles needing a reliable replacement belt
  • Replacement for worn or damaged serpentine belts causing accessory slippage
  • Addressing belt noise, cracking, or fraying issues in accessory drive systems

Installation Notes and Tips

Ensure the engine is off and cool before beginning installation. Verify the belt routing matches the vehicle’s belt diagram to avoid misalignment. Inspect pulleys and tensioners for wear or damage prior to installing the new belt. Proper tension adjustment is critical to prevent premature belt wear or accessory malfunction. Use appropriate tools to relieve tension on the belt tensioner during removal and installation.

Quality Assurance and Warranty

The Roadmax 8K1223AP Automotive V-Ribbed Belt (Standard) is manufactured to meet industry standards for durability and performance. While specific warranty details are not provided, Roadmax products typically undergo quality control testing to ensure reliability in automotive accessory drive applications. For warranty information, refer to the product packaging or contact the manufacturer directly.

BrandRoadmax
Part Number8K1223AP
PositionAutomotive V-Ribbed Belt (Standard), Water Pump, Fan, Alternator and Air Conditioning
MaterialEpdm
Top Width1.087
Top Width28
Cord MaterialPolyester
Cross Section DesignationK
Effective Length122.17
Effective Length3103
Outside Circumference122.735
Outside Circumference3117
TypeAutomotive v-ribbed belt (standard)
Rib Quantity8

This part fits 14 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2003FordExcursion7.3LV8DIESELN/AW/122.2" Belt O.C.; Automotive V-Ribbed Belt (Standard)
2003FordF-250 Super Duty7.3LV8DIESELN/AW/Single Alt.; W/O Cold Weather Pkg.; Automotive V-Ribbed Belt (Standard)
2003FordF-350 Super Duty7.3LV8DIESELN/AW/Single Alt.; W/O Cold Weather Pkg.; Automotive V-Ribbed Belt (Standard)
2002FordExcursion7.3LV8DIESELN/AW/122.2" Belt O.C.; Automotive V-Ribbed Belt (Standard)
2002FordF-250 Super Duty7.3LV8DIESELN/AW/Single Alt.; W/O Cold Weather Pkg.; Automotive V-Ribbed Belt (Standard)
2002FordF-350 Super Duty7.3LV8DIESELN/AW/Single Alt.; W/O Cold Weather Pkg.; Automotive V-Ribbed Belt (Standard)
2001FordExcursion7.3LV8DIESELN/AAutomotive V-Ribbed Belt (Standard)
2001FordF-250 Super Duty7.3LV8DIESELN/AW/Single Alt.; W/O Cold Weather Pkg.; Automotive V-Ribbed Belt (Standard)
2001FordF-350 Super Duty7.3LV8DIESELN/AW/Single Alt.; W/O Cold Weather Pkg.; Automotive V-Ribbed Belt (Standard)
2000FordExcursion7.3LV8DIESELN/AAutomotive V-Ribbed Belt (Standard)
2000FordF-250 Super Duty7.3LV8DIESELN/AW/Single Alt.; W/O Cold Weather Pkg.; Automotive V-Ribbed Belt (Standard)
2000FordF-350 Super Duty7.3LV8DIESELN/AW/Single Alt.; W/O Cold Weather Pkg.; Automotive V-Ribbed Belt (Standard)
1999FordF-250 Super Duty7.3LV8DIESELN/AW/Single Alt.; W/O Cold Weather Pkg.; Automotive V-Ribbed Belt (Standard)
1999FordF-350 Super Duty7.3LV8DIESELN/AW/Single Alt.; W/O Cold Weather Pkg.; 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:

10812231223K81223K8FMK1223K8MK1821843C11C2E 8620 JA1C2E 8620 LA1C2Z 8620 LA20484220754620780520831025-08122325-081223HD2C2Z 8620 GA408122040812234081223F50812235081223DR8K12238PK30998PK31038PK31058PK3106A-1223K8F8TE 8620 FCF8TZ 8620 FAF8TZ 8620 FBGT4081223JK8-1227JK8-1230JK81225K081223K081223HDK12238PK081223YC3E 8620 AAYC3Z 8620 AAYC3Z 8620 EA

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.