A-Premium Serpentine Belt 6-Rib 66.38 in — EPDM K-Section, Direct-Fit for 3.6L V6 Dodge/Jeep

The A-Premium Serpentine Belt 6-Rib 66.38 In is a direct-fit EPDM replacement drive belt engineered for 3.6L V6 Dodge Durango and Jeep Grand Cherokee applications, offering durable, low-noise power transmission for accessories.

This replacement serpentine belt from A-Premium is built with EPDM compound and polyester cords to match factory geometry while improving resistance to heat, oils, and environmental contaminants. With a 66.38-inch effective length, six ribs and K cross-section, this belt fits specified 3.6L V6 models and is designed to deliver consistent tension, quiet operation and long service life when installed with a healthy tensioner.

Which vehicles does this 66.38-inch 6-rib belt fit?

Compatibility is targeted to recent Dodge and Jeep models that use the 3.6L V6 powerplant. Fitment varies by model year and vehicle package (Flex vs Gas), so confirm your OEM part reference numbers or inspect the current belt before ordering.

• Dodge Durango 2016–2017 (Flex only) and 2018–2024 (Gas only)
• Jeep Grand Cherokee WK2 2016–2022 V6 3.6L
• Jeep Grand Cherokee L 2021–2022 WL Series V6 3.6L
• OEM references: K060664A, 5281374AA — match these for exact replacement

How does the A-Premium belt improve durability and performance?

This belt uses an EPDM rubber compound paired with polyester cords to resist cracking, oil exposure and premature wear common in engine bays. The engineered K-type cross section preserves rib profile and ensures stable contact with pulleys, reducing slip and noise under load.

• EPDM construction resists heat, ozone and automotive fluids
• Polyester cords maintain tensile strength and stretch control
• Precision dimensioning reduces vibration and improves alignment
• Designed for steady accessory drive under high-temperature conditions

What should I check before installing this serpentine belt?

Proper installation depends on the condition of the tensioner and pulleys; a worn tensioner or damaged pulley will shorten belt life and cause noise or slippage. Inspect accessory pulley surfaces, bearings and the automatic tensioner for smooth operation and correct travel before fitting the new belt.

• Verify tensioner spring action and travel range
• Check pulleys for wobble, scoring or rough bearing feel
• Confirm belt routing matches vehicle diagram to avoid misalignment
• Replace any contaminated or glazed pulleys that could reduce grip

What are the key specifications and warranty details?

The belt measures a 66.38-inch effective length with an outside circumference near 66.88 inches, a top width of 0.807 inch and a six-rib K cross section. A-Premium backs this serpentine belt with a one-year unlimited-mileage guarantee against defects, giving installers confidence in fit and finish.

• Effective length: 66.38 in; outside circumference approx. 66.88 in
• Rib count: 6; top width: 0.807 in; cord: polyester
• Material: durable EPDM rubber compound
• Warranty: one-year unlimited-mileage from A-Premium

Who is this for: This A-Premium serpentine belt is aimed at DIY mechanics, independent repair shops and fleet technicians who need a dependable, factory-form replacement for Dodge Durango and Jeep Grand Cherokee 3.6L V6 engines. Choose this belt if you want an EPDM construction, precise OEM-style dimensions, and a short-term warranty—especially when the vehicle’s tensioner and pulleys are in good condition.