# Spirit Fitness CU800 Upright Bike Left Crank Arm (DP143)

\## Spirit Fitness CU800 Upright Bike Left Crank Arm (DP143)

The Spirit Fitness CU800 Upright Bike Left Crank Arm is a preowned replacement part for the left side of a Spirit Fitness CU800 exercise bike. It connects the left pedal area to the bike’s crank system, helping transfer the rider’s movement through the drive mechanism. If the original left crank arm is bent, damaged, worn, or missing, this replacement component can help restore the bike’s pedal assembly and support continued use.

## Product Details and Benefits

This product is identified as the \*\*Spirit Fitness CU800 Upright Bike Left Crank Arm\*\*, with the part number and SKU \*\*DP143\*\*. It is supplied as a used fitness equipment component and has been carefully inspected by skilled technicians for performance and safety before sale.

Replacing a damaged crank arm can help you avoid replacing an entire exercise bike. It may also provide a practical way to repair a CU800 bike that has stopped operating correctly because of a problem on the left side of the pedal and crank assembly. A properly matched replacement part helps maintain the bike’s original component layout and allows the existing equipment to remain in service.

The part is sold as a single left crank arm. The available product information does not specify its dimensions, color, material, or included hardware. Please review your existing component and confirm what additional parts may be needed for installation before ordering.

## Compatibility and Applications

The \*\*DP143 left crank arm is designed for the Spirit Fitness CU800 upright exercise bike\*\*. It is intended to replace the original left crank arm on that specific model.

This part is suitable for repair and maintenance applications involving a Spirit Fitness CU800 upright bike. It is not identified as a universal crank arm, so buyers should not assume compatibility with other Spirit Fitness models, recumbent bikes, indoor cycles, or exercise bikes from other brands.

Use the part number \*\*DP143\*\* and the model name \*\*Spirit Fitness CU800\*\* when comparing this component with your bike and the part being replaced. If your equipment has a different model number, verify compatibility before purchase.

\## Why Choose This Replacement Part?

A preowned replacement crank arm can offer a cost-conscious option for repairing an existing exercise bike. Reusing inspected fitness equipment parts can also help extend the service life of the machine and reduce unnecessary waste. This option may suit repair technicians, fitness equipment owners, gyms, and home users who need a matching left-side crank component for a CU800 upright bike.

Each part has been inspected before shipment, but it is still a used component and may show normal signs of previous use.

## Before You Buy

\- \*\*Brand:\*\* Spirit Fitness  
\- \*\*Product:\*\* CU800 upright bike left crank arm  
\- \*\*Part number/SKU:\*\* DP143  
\- \*\*Condition:\*\* Preowned  
\- \*\*Compatible equipment:\*\* Spirit Fitness CU800 upright exercise bike  
\- \*\*Quantity:\*\* One left crank arm  
\- \*\*Serial number listed:\*\* 8003402103000861

Product photos are provided for reference. Because multiple units may be available, the part you receive may look slightly different from the pictured item. The seller states that the shipped component will be the exact model and part described. Confirm the model, side, part number, and condition before ordering.

## Details

- **Price:** 49.99 USD
- **Vendor:** Spirit Fitness
- **Type:** Exercise Bike Pedals
- **Tags:** All

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 49.99 USD | In stock |

## Images

- DP143
- DP143
- DP143
- DP143
- DP143

## Additional Information

- **Condition:** PREOWNED

---

> Source: [Cardio Equipment Parts](https://www.cardioequipmentparts.com/products/spirit-fitness-cu800-upright-bike-left-crank-arm-dp143)
> Updated: 2026-08-29