Mitsuboshi A87K 4LK890 V-Belt

Designed for tough outdoor equipment, the A87K / 4LK890 Aramid Kevlar V-Belt delivers unmatched strength, durability, and consistent performance. Reinforced with high-tensile Kevlar cords, it resists stretch under shock loads and stays flexible in demanding applications like mowers, snow blowers, and other commercial-grade machines.

Key Features & Specifications

Kevlar Cord Construction: High tensile strength resists stretch, absorbs shock, reduces slippage, and extends belt life. Heat and oil resistant for reliable performance in high temperature, high stress environments.

Dry-Wrapped Outer Covering: Designed for smooth engagement in clutch-driven systems common to lawn and garden equipment.

Dimensions:

Width: ½ inch

Outer Circumference: 89 inches 

Material Properties:

Heat & oil resistance prolongs service intervals.

Kevlar fibers maintain belt integrity under reverse bending and twisting.

Ideal Applications

Commercial and residential lawn mowers (e.g., Cub Cadet, MTD, Ariens)

Snow blowers and snow throwers

Riding lawn tractors and zero-turn mowers

Cross Reference Part Numbers
Compatible with a wide range of OEM and aftermarket part numbers. If your equipment lists any of the following, the A87K / 4LK890 belt is a direct replacement:

Allis-Chalmers: 1664789, 71664789

Ariens / Gravely: 72103, 7210300, 07210300, 72144

Bostwick-Braun: 500526

Carlisle: 48X890

Dayco: L489

Durk.-Atw: XDV 48-890

Engineering Products: 810089

Family Farm & Home: 162123

Ford: 36751

Gates: 6889

Goodyear: 84890

Jason: MXV4-890, MXV4890

John Deere: M110367

Lawn Chief: 135194

Magam: XHD4890

Murray: 7769209, 37X106, 37X81

Napa Automotive: 4L890W

Noma / AMF / Dynamark: 73119, L489, 57556

Oregon: 75-489

Pirelli: 48X890

Poulan: 532124525

Power King Tool: 810089

Prime Time: 7-4H890, 101137, 102607, 104776, 107769, 124525X, 125520X, 126520X, 135194, 1664789, 248-089, 265-051, 36751, 37X106, 37X81, 7-07951, 7-07979, 71664789, 72080, 72144, 73119, 754-0248, 754-0294, 954-0248, 954-0294, L489, PP12001

Roper / AYP / Sears: 126520X, 602420, PP12001

Silver Streak: 75-489

Simplicity Manufacturing: 1664789, 1664789SM, 1728008SM, 71664789

Ace Harare: 26427

Murray Ohio Manufacturing: 37X106, 37X81

Others

03229500