Keep your engine accessories spinning quietly with the Gates Automotive XL High Capacity V-Belt (P/N 7640), a durable, long-lasting replacement V-belt built for the most demanding engine drives. It installs as a direct-fit replacement across a wide range of classic applications, including the 1968 Chrysler 300 7.2L — see the "Vehicles it fits" section for the full list of applications.
- Variable notched construction: as it heats up under the engine's thermal forces, the belt tightens on the drive to help prevent slippage, improve belt performance and reduce noise.
- Fiber-loaded rubber stock: adds flexibility along the length of the belt and provides greater lateral stability in the pulley.
- Form-ground profile: precise top-width and sidewall dimensional control for a proper fit to the pulley.
- Thermally-active polyester tensile cords: deliver maintenance-free performance when the belt is properly installed and tensioned.
The EPDM rubber body resists oil, heat, ozone, weather and aging for improved belt life, and the belt conforms to SAE J636C specifications. This listing is for one belt; some listed applications call for two, so confirm the quantity your engine requires. Made in the United States.
Product information is for general reference and may contain errors. See our Disclaimer.
Frequently Asked Questions
What is the Gates 7640?
It's a durable XL High Capacity V-belt (HC41 cross section) designed as a replacement for worn accessory-drive V-belts on demanding engine drives.
What is the belt made of?
It has an EPDM rubber body with polyester tensile cords, and it resists oil, heat, ozone, weather and aging for improved belt life.
How many belts does my engine need?
This listing is for one belt. Some listed applications use two belts, so check the quantity your specific engine requires before ordering.
What are the belt's dimensions?
Top width is about 0.41 in (10 mm), effective length is 64 in (1626 mm) and outside circumference is 64.81 in (1646 mm), with a 36-degree angle.
What are the signs a V-belt may need replacing?
Common signs include squealing or chirping, visible cracking or glazing, fraying, or missing chunks of rubber. Inspect and diagnose the cause before replacing.
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