21547188 Aramid Belt for Ariens, Husqvarna, Poulan, AYP & Jonsered Mower Applications

Overview

This 21547188 aramid belt is a replacement belt for select Ariens, Husqvarna, Poulan, AYP, Electrolux, Jonsered, Dixon, Murray, and Weed Eater mower applications using the listed belt replacement path.

This belt also replaces 21547027, 21547026, 21547082, 532144959, 144959, 531300766, 532130801, 532138255, 532160855, 577203116, and 583271401 on supported applications. Depending on the mower model, this belt may be used as a deck belt, secondary deck belt, or ground drive belt.

Important: This is a broad AYP-family belt path. Do not order by brand, deck size, or mower appearance alone. Match your original belt number first, then confirm belt length, belt width, mower model, deck size, drive location, and belt routing before ordering.

Key Features

• Replacement aramid belt for select mower deck and ground drive applications
• Primary Part Number: 21547188
• Also Replaces: 21547027, 21547026, 21547082, 532144959
• Quantity Included: 1 replacement belt
• Overall Length: 95.5 inches
• Common Application Types: 42-inch mower deck belt, secondary deck belt, and ground drive belt paths depending on model
• Aramid belt construction for mower belt drive applications
• Ships as one belt only

Compatible Brands & Model Series

This belt is intended for select mower applications using the 21547188, 21547027, 532144959, 144959, or related replacement belt path.

Common supplier application paths include:

• Ariens: select 42-inch mower deck applications including 936007, 936046, 936047, 936051, 936052, 936060, 936061, 936064, 936065, and 936070 paths
• Husqvarna: select 42-inch mower deck and ground drive applications including 2042 LS, GT190, GT200, GTH200, GTH220, YTH 2242T, CT126, LT120, LT1238, LT2113, LT2114, LT2213, and LT16542 paths
• Poulan: select 38-inch, 42-inch, 46-inch, and 50-inch mower applications including PP 20H46, PP 20H50, PP 22H50, 22KA42, PB 155G42, 17542LT, 19542LT, PO 14542LT, PR 1742STF XT, PXT 12538 XT, PP 12542J, PP 14542K, PP 1644J, and related paths
• AYP / Electrolux: select mower deck and ground drive applications using the 144959 / 532144959 / 532138255 belt path
• Jonsered: select LT12, LT13, LT14, LT15, LT16, LT18, LT125, LT126, LT130, LT2112, LT2113, LT2114, LT2115, LT2213, and LT2218 paths
• Dixon: select D22KH42 42-inch mower applications
• Murray: select MB 12538 LT and MB 1842 LT ground drive belt applications
• Weed Eater: select HD 12538, HD 13538, 259722, and 259723 applications

Fitment note: Model names and deck sizes are provided as fitment clues only. Always confirm your original belt number, belt length, belt width, belt position, and routing before ordering.

Replaces Common Belt Numbers

• Ariens: 21547188, 21547027, 21547026, 21547082, 532144959
• Husqvarna: 531300766, 532144959, 532130801, 532138255, 532160855, 577203116, 583271401
• AYP: 144959, 144959D, 532144959, 130801, 138255, 160855, 532138255

Belt Specifications

• Part Type: aramid mower belt
• Primary Replacement Number: 21547188
• Common Cross-Reference Numbers: 21547027, 21547026, 21547082, 532144959, 144959, 531300766, 532138255
• Overall Length: 95.5 inches / 2425.7 mm
• Quantity Included: 1 replacement belt

Before Ordering

Before ordering this belt, confirm:

• Your original belt number matches 21547188, 21547027, 532144959, or one of the listed replacement numbers
• Your mower uses this belt in the correct location: deck belt, secondary deck belt, or ground drive belt path
• Your mower deck or drive system uses the correct belt routing
• Your mower model and deck size match the listed application path
• Your idler pulleys, spindle pulleys, drive pulleys, belt guides, and tension spring are in good condition
• Your original belt length matches the listed 95.5-inch overall length

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

Common Symptoms of a Worn Belt

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

Installation Notes

• Park the mower on a level surface and disconnect the spark plug before working on the deck or drive system
• Take a photo of the belt routing before removing the old belt
• Inspect idler pulleys, spindle pulleys, drive 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 mower deck and drive belt 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, original belt number, belt location, and photos of your belt routing diagram, mower ID tag, and old belt before ordering.

FAQ

What does this belt replace?

This belt replaces the 21547188 belt path and related numbers including 21547027, 21547026, 21547082, 532144959, 144959, 531300766, and 532138255.

What size is this belt?

This belt is listed at 95.5 inches overall length. Always compare the belt length and routing to your original belt before ordering.

Is this a deck belt or a drive belt?

Depending on the mower model, this belt may be listed as a deck belt, secondary deck belt, or ground drive belt. Match the original belt number and routing location before ordering.

Does this belt fit Ariens 42-inch mower decks?

This belt is commonly listed for select Ariens 42-inch mower deck applications using the 21547188 / 21547027 / 532144959 belt path. Confirm your exact model number and routing before ordering.

Does this belt fit Husqvarna or Poulan models?

This belt is commonly listed for select Husqvarna, Poulan, AYP, Electrolux, and Jonsered mower applications using the 532144959 / 144959 belt path. Confirm your original belt number before ordering.

Can I order this belt by deck size only?

No. Deck size is only a starting point. This belt appears across multiple brands and both deck-drive and ground-drive applications, so match the original belt number, belt length, mower model, belt location, and belt routing before ordering.

Why does my belt keep coming off?

A belt may come off because of worn idler pulleys, bad bearings, weak tension springs, bent belt guides, incorrect routing, or the wrong belt size. Inspect the full belt 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.