15% OFF
Western Plow Motor - Part # 21500-1

Western Plow Motor – Part # 21500-1

(14 customer reviews)

This Western Plow Motor is an OEM replacement motor for all Western Snow Plows with a 4 1/2″ motor. With that in mind, if you have a UniMount plow, you’ll also need the motor flange assembly. The flange allows you to mount it to the reservoir.

Original price was: $259.75.Current price is: $220.78.

2 in stock

-

If you have a UniMount Plow, also order...

56531-1.jpg

Part # 56531 - MOTOR FLANGE ASSEMBLY

Factory OEM Fisher / Western Motor Flange Assembly

This Western Part qualifies for Free Shipping under our plow parts Free Shipping Policy for orders over $199.00.

The Western 21500-1 Motor powers the hydraulic pump to raise and angle your snow plow blade efficiently. Furthermore, the “-1” indicates an updated or revised version of the legacy factory electric motor. Consequently, fleet owners receive enhanced internal components to prevent winter breakdowns. Because of this, mechanics rely on this 4-1/2 inch OEM replacement to restore immediate blade responsiveness.

Power Your Plow with the Western 21500-1 Motor

This robust 12-volt unit mounts directly to the hydraulic reservoir assembly. Additionally, a worn shaft bearing causes sluggish operations during freezing temperatures. Therefore, installing a new Western 21500-1 Motor eliminates erratic blade drops. As a result, you finish commercial clearing jobs much faster.

Our site stocks these genuine factory assemblies for immediate dispatch. Also, customers find comprehensive diagnostic testing procedures on westernplows.com. Replacing your faulty motor with this exact OEM unit protects your system warranty.

  • 4-1/2 inch casing accommodates heavy electrical current loads.

  • Double-post terminals secure battery power connections tightly.

  • Clockwise rotation generates optimal hydraulic fluid pressure.

  • Advanced internal armature resists burning out under heavy snow loads.

  • The required motor flange assembly is sold separately for UniMount setups.

Additional Info and Common Related Parts

Part Number Item Name Technical Role
49330 Gallon Hydraulic Fluid Maximizes hydraulic pressure and protects internal valves
56531 Motor Flange Assembly Connects the motor to the reservoir on older UniMount systems
64596-1 Sleeve Bearing & Seal Kit Prevents fluid leaks around the motor pump shaft
66623 Truck Side Power Cable Carries high electrical voltage from the vehicle battery to the plow

Always refer to your Western Plow’s documentation and vehicle-specific installation instructions to confirm compatibility and proper installation procedures.

If, however, you need a 3″ motor for a Western HTS, order Part # 48543-1.

Weight 16.2 lbs
Dimensions 8.5 × 8.5 × 8.5 in

14 reviews for Western Plow Motor – Part # 21500-1

4.9
Based on 14 reviews
5 star
92
92%
4 star
7
7%
3 star
0%
2 star
0%
1 star
0%

Customer Images

Image #1 from RANDAL
Image #1 from RANDAL

RANDAL

PERFECT FIT

(0) (0)
Image #1 from RANDAL
1-5 of 14 reviews
  1. Billie Bowmer
    Verified owner

    Exact fit ….. quickly installed …..

    (0) (0)
  2. Tod Kreider
    Verified owner

    Great service

    (0) (0)
  3. Michael F.
    Verified owner

    Very good looking part !

    (0) (0)
  4. SCOTT
    Verified owner

    fit perfect

    (0) (0)
  5. David B.
    Verified owner

    Thank you

    (0) (0)
Add a review
You must be logged in to post a review Log In