# Precor EFX 5.33/5.37/5.31 Elliptical Complete Drive Flywheel Pulley Assembly

## Product Introduction

The \*\*Precor EFX 5.33 / 5.37 / 5.31 Elliptical Complete Drive Flywheel Pulley Assembly\*\* is a preowned replacement drive component for select Precor EFX elliptical machines. This complete assembly supports the machine’s drive system by combining the flywheel and pulley in one part. If the original assembly is worn, damaged, or unavailable, this component can help restore the correct drive-system setup on a compatible elliptical.

This product is identified as \*\*MX313\*\* and is sold in preowned condition. It gives fitness equipment owners, service technicians, and repair shops a way to replace the complete drive flywheel pulley assembly without replacing the entire elliptical.

## Product Details and Benefits

The MX313 includes the \*\*complete drive flywheel pulley assembly\*\* for the specified Precor EFX models. Because the flywheel and pulley are supplied together, the part is intended for replacement work involving the complete assembly rather than a separate flywheel or individual pulley.

Each part undergoes inspection by skilled technicians before shipment. This inspection helps confirm that the supplied component is suitable for its intended equipment application and supports safe, reliable repair work. As a preowned fitness equipment part, the assembly may show signs of previous use. Cosmetic condition can vary between available units.

Choosing a used Precor replacement part can also help reduce repair costs compared with replacing larger machine assemblies or purchasing new equipment. Reusing serviceable fitness equipment components extends the useful life of existing machines and helps reduce unnecessary waste.

\*\*Product details:\*\*

\- \*\*Product name:\*\* Precor EFX 5.33 / 5.37 / 5.31 Complete Drive Flywheel Pulley Assembly  
\- \*\*Product type:\*\* Elliptical drive flywheel and pulley assembly  
\- \*\*Brand:\*\* Precor  
\- \*\*Part or local product number:\*\* MX313  
\- \*\*SKU:\*\* MX313  
\- \*\*Condition:\*\* Preowned  
\- \*\*Quantity:\*\* One complete assembly, as listed  
\- \*\*Inspection:\*\* Inspected by skilled technicians

## Compatibility and Applications

This Precor drive flywheel pulley assembly is listed for use with the following elliptical models:

\- \*\*Precor EFX 5.33\*\*  
\- \*\*Precor EFX 5.37\*\*  
\- \*\*Precor EFX 5.31\*\*

The assembly is intended for repair or service applications involving the drive system of these Precor EFX elliptical machines. It may suit equipment owners, independent fitness equipment technicians, commercial gym maintenance teams, and repair businesses servicing compatible Precor machines.

## Why Choose This Product

The MX313 provides the complete flywheel and pulley assembly in one replacement part. Its model-specific listing makes it easier to identify a potential match for a Precor EFX 5.33, 5.37, or 5.31 elliptical. The preowned condition offers a practical option for restoring existing equipment while avoiding the cost and waste associated with replacing the full machine.

## Before You Buy

Verify your elliptical’s exact model before ordering. This assembly is listed specifically for the \*\*Precor EFX 5.33, EFX 5.37, and EFX 5.31\*\*. Compare the existing drive flywheel pulley assembly and confirm the part number \*\*MX313\*\* when possible.

Product images are provided for reference. Since multiple units may be in stock, the appearance of the part may vary slightly from the pictured item. The supplied component will be the listed model and part type. Contact the seller if you need additional information before purchase.

## Details

- **Price:** 399.99 USD
- **Vendor:** Precor
- **Type:** Miscellaneous
- **Tags:** All

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 399.99 USD | In stock |

## Images

- MX313
- MX313
- MX313
- MX313
- MX313
- MX313
- MX313
- MX313
- MX313

## Additional Information

- **Condition:** PREOWNED

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> Source: [Cardio Equipment Parts](https://www.cardioequipmentparts.com/products/precor-efx-5-33-5-37-5-31-elliptical-complete-drive-flywheel-pulley-assembly)
> Updated: 2026-08-29