GATES Serpentine Belt: V-Belt, K Belt Trade Size, V-Ribbed Belt, 37 7/8 in Effective Lg
The GATES Serpentine Belt is a K04 Series Micro-Ribbed V-Belt, trade size K Belt, with a V-ribbed design and an effective length of 37 7/8 inches. This K040378HD model features aramid reinforcing cord material, as…
SKU 3G-OTH-491446
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Product Description
The GATES Serpentine Belt is a K04 Series Micro-Ribbed V-Belt, trade size K Belt, with a V-ribbed design and an effective length of 37 7/8 inches. This K040378HD model features aramid reinforcing cord material, as specified by the manufacturer part number K040378HD.
Frequently Asked Questions
What is the GATES K040378HD serpentine belt used for?
The GATES K040378HD is a K04 Series Micro-Ribbed V-Belt designed for serpentine drive systems in industrial machinery and automotive engines. Its aramid reinforcing cord provides high strength and durability for transmitting power under heavy loads and high temperatures.
What are the specifications of the GATES K040378HD belt?
The GATES K040378HD is a V-ribbed belt with K Belt trade size, effective length 37 7/8 inches, and industry number K040378HD. It features aramid reinforcing cord material for enhanced tensile strength and resistance to shock loads.
Where to buy the GATES K040378HD serpentine belt worldwide?
3G Electric supplies the GATES K040378HD serpentine belt to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this K04 Series Micro-Ribbed V-Belt.
How to select the correct GATES serpentine belt for my application?
To select the correct GATES serpentine belt, measure the effective length and confirm the belt profile (e.g., K Belt trade size). Check the reinforcing cord material—aramid for high-load applications. Verify the industry number K040378HD matches your system requirements.
Used in
Common applications for GATESGATES Products
3G Electric supplies GATES k04 series micro-ribbed v-belts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

