Part Location Diagram of 521996502 Husqvarna Nut 3/8-16 Flange Nyloc
See part A-14 in the diagram
( Grid squares measure 1x1 inch )

Nut 3/8-16 Flange Nyloc 521996502

Manufactured by:
Husqvarna
ERP Number:
ERP16350857
Part Number:
521996502
Original Equipment Manufacturer ?
  Works with your model  PZ6029PFX!
In Stock
Delivers in 3-5 Business Days!

Easy 

15 - 30 mins 

(4 rated repairs) ?
  Works with your model   PZ6029PFX!

Product Description

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This is an authentic replacement part manufactured for use with riding lawnmowers. The hex flange nut is commonly used to secure the deck pulley to the idler guard and arm. This flange nut is sold individually, please see model diagram for associative parts.

Frequently Purchased Together

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Troubleshooting

This part works with the following brands:
  • Husqvarna
  • RedMax
  • Jonsered
  • Craftsman
  • Poulan
This part works with the following products:
  • Lawn Mower
  • Lawn Tractor
  • Lawn Tractor Accessories
  • Engine
Part# 521996502 replaces these:
5219965-01, 521996501, 521996502,

Customer Part Reviews

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5.0
Average Rating (out of 5):
★★★★★
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(1 Review)
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Questions & Answers

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Customer Repair Instructions

All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.

Easy 

15 - 30 mins 

(4 rated repairs) ?
  • 1
Sort by:  
Sorry, we couldn't find any existing installation instruction that matched.

Replace old bolt with new

Richard from Wellsville, Missouri

4 of 4 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Socket set, Wrench set
Parts Used:
596434404, 521996502
The old bolt through the deck wheel was broken so the repair was simply replacing the missing bolt.
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pulley seized and pulley came off and damaged belt

Howard from Amelia Court House, VA

2 of 2 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
30 - 60 mins
Tools:
Pliers, Screw drivers, Socket set, Wrench set
Parts Used:
521996502, 574845602, 532177968
dropped mower deck
removed belt and bad pulley and loosened tensioner
checked other pulleys and greased the mower deck blade fittings
put new pulley on and routed new belt
setup mower deck and checked belt routing and then set tensioner and started up and checked mower deck for operation.
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Nut came off wheel and wheel fell off deck.

Robert from Custer, Wisconsin

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Socket set
Parts Used:
521996502
Replaced the wheel and \"Nutted\" it.
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Bolt brook

Charles from Oberlin, Ohio

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Socket set
Parts Used:
596434404, 521996502
Inserted bolt in roller, tighten nut on bolt
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  • 1

Model Cross Reference

This part works with the following models:
ERP Number: ERP16350857
Manufacturer Part Number: 521996502
Brand Model Number Description
Husqvarna 125R Brush Cutter - 125 R (20064000001-Current)
Husqvarna 142R Brush Cutter - 142 R (20001900001-Current)
Husqvarna 143RII Brush Cutter - 143 Rii (20150400001-20180500000)
Husqvarna 150BT Leaf Blower / Vacuum - 150 Bt (20071800001-20084000000)
Husqvarna 257 Chainsaw - 257 (19942300001-19960100000)
Husqvarna 272XP Chainsaw - 272 Xp (20163200001-20173200000)
Husqvarna 28982 Lawn Tractor - Zero-Turn Riding Lawn Mower
Husqvarna 289820 Lawn Mower - Husqvarna Lawn Mower Model 289820 Parts
Husqvarna 289823 Lawn Mower - Husqvarna Lawn Mower Model 289823 Parts
Poulan 301ZX Lawn Mower - Zero Turn Mower
Husqvarna 30IN Lawn Tractor Accessories - Grass Collectors - 30 In (2009-11)
Husqvarna 327HDA65 Hedge Trimmer - 327 Hda65 X-Series
Poulan 380ZX Lawn Mower - Ride-On Mower
Husqvarna 38IN Lawn Tractor Accessories - Grass Collectors - 38 In (2010-04)
Husqvarna 4222F Lawn Mower - Zero Turn Consumer
Husqvarna 43EL Lawn Mower - Royal 43el
Husqvarna 460ZX Lawn Mower - Ride-On Mower
Poulan 461ZX Lawn Mower - Zero Turn Mower
Husqvarna 500HD Lawn Mower - 500hd, 599888101, 2020-08
Poulan 541ZX-966681901 Lawn Mower - Zero Turn Lawn Mower
Husqvarna 54IN Lawn Tractor Accessories - Grass Collectors - 54 In (2019-05)
Husqvarna 582559701 Garage and Workshop - Collection System, 48-inch
Husqvarna 587960201 Lawn Mower - Collection System, 48 Inch
Husqvarna 591111401 Garage and Workshop - Collection System, 54 In
Husqvarna 592620801 Garage and Workshop - Collection System, 54 In
Husqvarna 598702901 Hand Truck & Dolly - Tow Behind, 598702901, 2020-08
Husqvarna 598703001 Lawn Mower - Deck Mount, 598703001, 2020-08
Husqvarna 599888101 Lawn Tractor Accessories - Grass Collectors - 599888101 (2020-08)
Husqvarna 599888201 Lawn Tractor Accessories - Grass Collectors - 599888201 (2020-08)
Craftsman 917204130 Lawn Tractor - Lawn Tractor