Aftermarket
A27/4L290 V-Belt
A27/4L290 V-Belt
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The A27 also known as 4L290 V Belt is a compact classic V belt built for tight drive systems in small power equipment. Designed for smooth and efficient operation this belt delivers reliable performance and long service life in residential and light commercial applications.
Belt Specifications
Type: A Section Classic V Belt
Top Width: 0.5 inches
Depth: 0.3125 inches
Outside Length: 29.0 inches
Cross Reference Part Numbers
A27
4L290
Dayco L429
Gates 2904
Carlisle A27
Pix A27
D&D A27
MBL A27
Bestorq A27
Murray 37X29
Applications
Commonly used in compact walk behind mowers snow blowers tillers and other belt driven small machinery
Key Features
Performs well in high speed compact pulley systems
Resists oil heat and cracking in demanding environments
Offers quiet and stable operation for consistent performance
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Replaces These Part Numbers
This part is compatible with or replaces the following OEM and aftermarket part numbers:
Belt Size
Installation & Technical Notes
To ensure optimal performance and longevity, install the v belt with proper tension as specified by the equipment manufacturer. Avoid overtightening, which can cause premature bearing wear and belt stretching.
Before installation, inspect pulleys for wear, misalignment, or debris buildup.
Do not use belt dressings, sprays, or lubricants as these can degrade the fabric wrap and shorten belt life. For best results, replace belts in matched pairs when applicable and re-tension after the first few hours of operation