Product Description

The Eureka upright armature motor (part 21336-1) is a 3.5 amp replacement motor designed for Eureka upright and canister vacuum systems. This OEM armature delivers reliable motor performance for extended cleaning sessions and handles both standard carpet and hard floor applications commonly found in Utah homes and commercial settings.

Built with genuine Eureka engineering, this armature features standard winding and commutator construction rated for household-duty use. The 3.5 amp motor specification ensures adequate suction power for effective dirt and debris pickup across multiple floor types. Direct bolt-fit installation on compatible Eureka platforms.

Compatible Models: Eureka Airspeed series, Boss upright models, Mighty Mite canister vacuums, and select Hoover units sharing Eureka motor architecture. Cross-compatibility with Hoover makes this armature useful for mixed-brand households. Verify your specific model before ordering by checking your vacuum's motor plate or model number.

Swiss Boy Vacuum is an authorized Eureka dealer serving the Wasatch Front since 1963. We stock genuine OEM parts, provide expert installation guidance, and offer complete motor service and repair. Call us at 801-298-3656 for compatibility confirmation or technical questions about this armature or any Eureka vacuum system.

Why Choose This Product?

• 3.5 amp motor rated for continuous household and light commercial use
• Genuine OEM Eureka part with proper electrical and mechanical specifications
• Direct replacement for Airspeed, Boss, and Mighty Mite platforms
• Cross-compatible with select Hoover upright and canister models
• Standard commutator and winding design for proven performance
• In-stock at Swiss Boy with fast Bountiful, Utah shipping

Specifications

• Brand: Eureka
• Part Number: 21336-1
• Motor Type: Upright armature
• Amp Rating: 3.5 amp
• Application: Household upright and canister vacuums

Compatibility

• Eureka Models: Airspeed series, Boss upright, Mighty Mite canister
• Hoover Models: Select upright and canister models with compatible motor mounts

Use Case

This armature is ideal for homeowners and maintenance professionals who need a direct OEM replacement motor for failing Eureka or compatible Hoover upright and canister vacuums. If your vacuum's motor has lost suction power, runs weakly, or makes unusual grinding sounds, a worn-out armature is often the cause. Replacing the armature restores full motor performance at a fraction of the cost of a complete new vacuum, making this part essential for anyone with Eureka equipment across the Wasatch Front.