M169500 Deck Belt for John Deere X330, X350, X380, X390, X570 & 48A Mower Decks

Overview

This M169500 deck belt replacement is built for select John Deere mower deck applications using the M169500 / UC39235 belt path.

This belt is commonly associated with select John Deere X330, X350, X354, X370, X380, X384, X390, X394, X570, X580, X584, and X590 lawn and garden tractor applications using 48A mower decks. Supplier data also lists older John Deere 120, 140, 300, 312, 314, 316, 317, 318, 322, 330, 332, 425, 445, and 455 paths with 48-inch, 54-inch, and 60-inch mower deck references.

Important: Do not order by deck size or mower family alone. Match your original belt number first, then confirm belt width, belt length, mower model, deck type, deck size, serial range, and belt routing before ordering.

Key Features

• Replacement deck belt for select John Deere 48A mower deck applications
• Primary Part Number: M169500
• Also Replaces: UC39235
• Additional Supplier References: Exmark 1-413094, 413094
• Quantity Included: 1 replacement deck belt
• Overall Length: 103.8 inches
• Width: 0.6 inch
• Thickness: 0.56 inch
• Designed for mower deck drive systems using the listed OEM belt path
• Ships as one belt only

Compatible Brands & Model Series

This belt is intended for select mower deck applications using the M169500, UC39235, 1-413094, or 413094 replacement belt path.

Common supplier application paths include:

• John Deere X300 Series 48A decks: select X330, X350, X354, X370, X380, X384, X390, and X394 lawn and garden tractor applications
• John Deere X500 Series 48A decks: select X570, X580, X584, and X590 lawn and garden tractor applications
• Older John Deere garden tractor paths: select 120, 140, 300, 312, 314, 316, 317, 318, 322, 330, 332, 425, 445, and 455 applications with listed 48-inch, 54-inch, or 60-inch mower deck paths
• Exmark Metro HP: select 32-inch, 36-inch, 48-inch, and 52-inch walk-behind mower applications using the 1-413094 / 413094 belt path

Fitment note: Model names, deck sizes, and serial ranges are provided as fitment clues only. Always confirm your original belt number is M169500, UC39235, 1-413094, or 413094, then verify belt size, mower model, deck size, serial range, and routing before ordering.

Cross-reference note: The supplier data lists John Deere M169500 / UC39235 and Exmark 1-413094 / 413094 in the same belt-size path. This page is written primarily for the John Deere M169500 search path. Confirm the original belt number before using it for Exmark applications.

Available Options

• Deck Belt Only: Includes 1 deck belt replacing M169500 and UC39235.
• Deck + Drive Belt Kit: Includes 1 deck belt replacing M169500 / UC39235 and 1 drive belt replacing M169485 / UC39236, if offered as a separate product option.

Replaces Common Deck Belt Numbers

• John Deere: M169500, UC39235
• Exmark supplier references: 1-413094, 413094

No-Dash Search Aliases

• M169500
• UC39235
• 1413094
• 413094

Belt Specifications

• Part Type: mower deck belt
• Primary Replacement Number: M169500
• Common Cross-Reference Number: UC39235
• Additional Supplier References: 1-413094, 413094
• Overall Length: 103.8 inches / 2635.25 mm
• Width: 0.6 inch / 15.9 mm
• Thickness: 0.56 inch / 14.4 mm
• Quantity Included: 1 replacement deck belt

Before Ordering

Before ordering this deck belt, confirm:

• Your original belt number matches M169500, UC39235, 1-413094, or 413094
• Your mower uses this belt in the correct deck belt location
• Your mower deck uses the correct belt routing
• Your mower model, deck type, deck size, and serial range match the listed application path
• Your idler pulleys, spindle pulleys, belt guides, and tension spring are in good condition
• Your original belt length and width match the listed specifications
• You are selecting the correct option if this product is offered as Deck Belt Only or Deck + Drive Belt Kit

Do not install the belt until fitment is confirmed. Installed belts may not be eligible for return.

Common Symptoms of a Worn Deck Belt

• Deck belt slips under load
• Belt squeals when the blades are engaged
• Mower leaves uneven or uncut grass
• Belt jumps off the pulley system
• Visible cracking, glazing, or fraying
• Deck vibration or poor blade speed
• Burning rubber smell near the mower deck

Installation Notes

• Park the mower on a level surface and disconnect the spark plug before working on the deck
• Take a photo of the belt routing before removing the old belt
• Confirm this is the deck belt path before installing
• Inspect idler pulleys, spindle pulleys, belt keepers, and the tension spring before installing the new belt
• Make sure the belt is seated fully in each pulley groove
• After installation, test the mower at low speed and listen for belt tracking issues, squealing, or vibration

Why Buy From PTO Direct USA?

• Fast USA shipping
• Fitment-first product descriptions
• Clear part-number routing for John Deere mower deck repairs
• Deck parts organized by belts, blades, spindles, pulleys, and rebuild kits
• Support for homeowners, repair shops, and mower owners

Need Help Confirming Fitment?

If you are unsure whether this belt fits your mower, send us your mower model number, deck size, deck type, original belt number, serial number, and photos of your belt routing diagram, mower ID tag, and old belt before ordering.

FAQ

What does this deck belt replace?

This belt replaces M169500 and UC39235 on select John Deere mower deck applications. Supplier data also lists 1-413094 and 413094 for supported Exmark applications using the same belt-size path.

What size is this belt?

This belt is listed at 103.8 inches overall length, 0.6 inch wide, and 0.56 inch thick. Always compare the belt size and routing to your original belt before ordering.

Does this belt fit John Deere 48A mower decks?

This belt is commonly listed for select John Deere X330, X350, X354, X370, X380, X384, X390, X394, X570, X580, X584, and X590 48A mower deck applications using the M169500 / UC39235 belt path. Confirm your exact model and routing before ordering.

Does this belt fit older John Deere garden tractors?

Supplier data lists select John Deere 120, 140, 300, 312, 314, 316, 317, 318, 322, 330, 332, 425, 445, and 455 applications with 48-inch, 54-inch, and 60-inch deck references. Confirm your original belt number and deck setup before ordering.

Does this belt replace Exmark 1-413094?

The supplier data lists 1-413094 and 413094 as Exmark references in the same belt-size path. This listing is written primarily for the John Deere M169500 path, so confirm your original Exmark belt number before ordering.

Is the drive belt included?

The standard deck belt option includes 1 deck belt only. If this product is configured with a Deck + Drive Belt Kit option, that kit should include the deck belt replacing M169500 / UC39235 and the drive belt replacing M169485 / UC39236.

Can I order this belt by deck size only?

No. Deck size is only a starting point. Match the original belt number, belt size, mower model, deck type, serial range, and belt routing before ordering.

Why does my deck belt keep coming off?

A deck belt may come off because of worn idler pulleys, bad spindle bearings, weak tension springs, bent belt guides, incorrect routing, or the wrong belt size. Inspect the full deck drive system before installing a new belt.

Need other deck parts for this setup? Browse mower blades, spindle assemblies, deck pulleys and idlers, and deck rebuild kits.

Need a different belt? Browse the full mower deck belts collection.