Drive belt for alternator and auxiliary equipment Ford JK6-1022EB 6PK1022

Genuine Motorcraft Serpentine Drive Belt JK6-1022-EB 6PK1022

High Reliability and Drive Efficiency

The Genuine Motorcraft JK6-1022-EB poly-V belt (Ford part number 4R3Z-8620-EB) is engineered to transmit torque from the crankshaft to the engine's auxiliary components: the alternator, water pump, power steering pump, and air conditioning compressor. Featuring a six-rib profile (6PK) and a precision-measured length of 1022 mm, this belt ensures maximum grip on the pulleys, eliminating slippage even during rapid engine RPM changes or under high electrical loads. Utilizing Genuine Ford/Motorcraft parts guarantees the absence of extraneous noise, squealing, and vibrations during operation.

Advanced EPDM Manufacturing Technology

This drive belt is manufactured from high-tech Ethylene Propylene Diene Monomer (EPDM) rubber, as confirmed by the corresponding marking on the product itself. This material provides exceptional resistance to heat aging, ozone exposure, and automotive fluids. Unlike standard rubber belts, the EPDM compound maintains flexibility across a wide temperature range and offers increased flex life. The internal polyester cord ensures linear dimension stability: the belt virtually does not stretch during operation, eliminating the need for frequent tension adjustments or premature replacement due to tensioner pulley wear.

Replacement Criteria and Maintenance Recommendations

The JK6-1022-EB belt is designed for heavy-duty performance and possesses enhanced wear resistance. Nevertheless, the manufacturer recommends regular inspection of the rib condition for micro-cracks or fraying. The original Motorcraft belt features a "quiet" profile that effectively sheds water and debris from the pulley contact patch, preventing premature wear of the auxiliary equipment. Installing this part helps maintain factory alternator charging characteristics and the efficiency of the engine's cooling system.

Detailed Vehicle Compatibility

This belt is used in Ford Motor Company vehicles equipped with 4.6L V8 engines and other powerplants with matching accessory drive configurations:

• Ford Mustang: 2005, 2006, 2007, 2008, 2009, 2010 (4.6L V8 SOHC/DOHC engines)

• Ford F-150: 2004, 2005, 2006, 2007, 2008 (4.6L V8 engine modifications)

• Ford Crown Victoria: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011

• Lincoln Town Car: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011

• Mercury Grand Marquis: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011

Technical Specifications

• Brand: Motorcraft

• Brand Registration Country: USA

• Condition: New

• Product Group: Drive Belts

• Purpose: Alternator and auxiliary equipment drive

• Material: Ethylene Propylene Diene Monomer (EPDM)

• Size: Length 1022 mm, Number of ribs 6 (6PK1022)

• Color: Black

• Weight: 230 grams

• Motorcraft Part Number: JK6-1022-EB

• Ford Engineering Number: 4R3Z-8620-EB

• Additional Cross Numbers: 4R3Z-8620-EC, JK6-1022-EB1X

• Catalog Number: 5341415

• Part Type: Genuine OEM

• Compatibility: Ford Mustang, F-150, Crown Victoria, Lincoln Town Car, Mercury Grand Marquis with 4.6L V8 engines

• Package Includes: Serpentine belt — 1 pc

• Features: High temperature resistance, ozone resistance, zero-stretch technology

• Operating Temperature: -40°C to +130°C

• Profile Type: Serpentine (Poly-V)

• Country of Manufacture: USA