Lawn Mower V Belt Cross Reference Chart(For All Brands + Models)

Getting the correct replacement V-belt can be tricky, especially with the vast variety of brands and models. That’s where a V-belt cross-reference chart comes in handy.

In this post, we’ll provide how to find the correct replacement, and a detailed cross-reference chart for major brands like John Deere, Husqvarna, Craftsman, MTD, Cub Cadet, Toro, and more.

Lawn Mower V Belt Cross Reference Chart

Note: Verify belt specifications (width, length, type) and model compatibility before purchasing. Consult OEM manuals.

Related Mower Blade Angle Chart(For All Mower Brands)

How to Identify the Right V-Belt

To match the correct replacement, you’ll need:

• Original belt part number (found in the owner’s manual or stamped on the old belt)
• Belt dimensions (length, width, and type)
• Mower brand and model

Tips for Replacing Lawn Mower V-Belts

1. Disconnect the spark plug before starting to avoid accidental blade rotation.
2. Check belt routing diagrams from the user manual or under the mower deck.
3. Use proper tools like a socket wrench set and belt removal tool.
4. Inspect pulleys and idlers for wear, and replace them if necessary to avoid premature belt failure.
5. After installation, run the mower briefly, and inspect tension and alignment.

Related Lawn Mower Belt Size Chart(For All Brands + Models)

OEM vs Aftermarket V-Belts: What’s Better?

• OEM belts are designed specifically for your machine and offer a perfect fit, but can be more expensive.
• Aftermarket belts (like from Stens, Rotary, Pix, or Oregon) offer compatible and often more affordable alternatives, but the quality may vary by brand.

What is a Lawn Mower V-Belt?

A V-belt (also known as a wedge belt) is a rubber belt with a trapezoidal cross-section that helps transfer power from the engine to various mower components like blades or wheels. Most riding mowers and some walk-behinds use V-belts for:

• Blade engagement
• Transmission drive
• Deck drive

Related Mower Blade Cross Reference Chart(For All Mower Brands)

FAQs

How do you know what size V-belt to get?

To find the right size V-belt, you need to know:

• Length: Measured around the outside of the belt or using a flexible tape along the pulleys.
• Width and thickness: Usually matched to pulley groove dimensions.
• Belt type/profile: Such as A, B, 3L, 4L, etc., which defines the cross-sectional shape.

Best method: Check the old belt for a part number or size stamped/printed on it.

Related Murray Mower Belt Chart(For All Models)

How do I know what mower belt I need?

To know what belt your mower needs:

• Look for the OEM part number (on the old belt or mower’s manual).
• Search for the belt based on the mower brand, model number, and deck size.
• Use a belt cross-reference chart to find compatible aftermarket options.

If you’ve lost the manual or label:

• Measure the belt length and width.
• Note the belt configuration (deck, drive, transmission, etc.).

How do I choose a V-belt?

Choose a V-belt based on:

• Application type (deck, drive, transmission)
• Correct profile (A, B, 4L, etc.)
• Length and width
• Power/load requirement (Kevlar belts are stronger for mower decks)
• Environment (e.g., oil/heat resistance for harsh conditions)

If unsure, always refer to a cross-reference chart or consult your mower’s manufacturer.

Related Lawn Mower Pulley Swap Chart(For All Brands + Models)

Are all V-belts the same?

No, not all V-belts are the same. Differences include:

• Profile type (A, B, 3L, 4L, etc.)
• Material (rubber, Kevlar, wrapped, cogged)
• Length and width
• Usage type (automotive vs. lawn mower vs. industrial)

Using the wrong type or size can lead to slippage, premature wear, or damage to your mower.

How do you match a V-belt to a pulley?

To match a V-belt to a pulley:

• Check that the belt profile (angle and width) matches the pulley groove.
• Ensure the belt sits flush in the pulley groove without touching the bottom.
• The belt should ride in the V, not too deep or high.
• Use calipers or pulley gauges if necessary for accurate measurement.