Exmark 103-1236 Caster Wheel | Metro Viking Walk-Behind Mowers

Exmark 103-1236 Caster Wheel

The Exmark 103-1236 Caster Wheel is an OEM replacement caster wheel used on select Exmark walk-behind mower applications, including many Metro and Viking model references. This part is used in the front caster wheel area where OEM part number 103-1236 is listed in the parts diagram.

This part is commonly searched as Exmark 103-1236, Exmark caster wheel, 103-1236 caster wheel, Exmark Metro caster wheel, Exmark Viking caster wheel, or Exmark walk-behind mower caster wheel.

Always verify your exact Exmark model number, serial number, caster wheel size, caster fork, axle bolt, bearing setup, hub width, and parts diagram before ordering. Do not order by mower series, deck size, or appearance alone because caster wheel fitment can vary by model and serial range.

Product Details

Key Features

• OEM Exmark replacement caster wheel
• Part number 103-1236
• Used on select Exmark Metro and Viking walk-behind mower applications
• Factory-style replacement when listed in your Exmark parts diagram
• Helps restore proper caster wheel operation when the original wheel is worn or damaged
• Important to verify model, serial range, wheel size, bearing setup, and caster fork before ordering

Fits Select Exmark Metro Models

The supplied fitment list includes many Metro model references. Always confirm your full model and serial number before ordering.

Fits Select Exmark Viking Models

The supplied fitment list also includes many Viking model references. Always verify your exact serial range and parts diagram.

Serial Number Notes

The supplied fitment data includes multiple serial ranges depending on the exact model, including ranges such as 320000 - 599999, 600000 - 999999, and later ranges such as 312000000 - 408644346 or higher depending on the model reference. Always match your mower model and serial number to the correct Exmark parts manual before ordering.

Important Fitment Notes

• This listing is for Exmark OEM part number 103-1236
• Product description: Caster Wheel
• Verify your exact mower model and serial number before ordering
• Confirm your parts diagram lists 103-1236 for the caster wheel location
• Check caster wheel diameter, tire width, hub width, bearing inside diameter, axle bolt size, spacers, and caster fork clearance
• Do not order by mower series, deck size, or appearance alone
• Caster fork, axle bolt, bearings, spacers, washers, grease fittings, hardware, or related parts are not included unless shown or stated

When to Replace a Caster Wheel

• Wheel is cracked, flat-spotted, worn, or damaged
• Caster wheel wobbles or has excessive side play
• Bearings are noisy, seized, loose, or worn
• Mower does not track smoothly
• Cut quality is affected by uneven caster wheel movement
• Your Exmark parts diagram lists part number 103-1236

Installation and Service Notes

Before servicing the caster wheel area, park the mower on a flat surface, disengage the blades, shut the engine off, remove the key, and wait for all moving parts to stop.

• Support the mower safely before removing caster wheel components
• Inspect the caster fork, axle bolt, bearings, bushings, spacers, washers, and hardware during service
• Compare the replacement caster wheel to the original before installation
• Replace worn or damaged related parts as needed
• Confirm the wheel spins freely and tracks properly before returning the mower to service
• Follow the Exmark service manual for your exact model and serial number

Part Number / Search Terms

• Exmark 103-1236
• Exmark 1031236
• 103-1236 caster wheel
• Exmark caster wheel
• Exmark Metro caster wheel
• Exmark Viking caster wheel
• Exmark walk-behind caster wheel
• Metro mower caster wheel
• Viking mower caster wheel
• Exmark front caster wheel
• OEM Exmark caster wheel
• OEM Exmark walk-behind parts

Frequently Asked Questions

P&P Small Engines stocks Exmark Metro parts, Viking parts, caster wheels, tires, bearings, belts, blades, pulleys, filters, spindles, hardware, and commercial mower replacement parts.