Part Location Diagram of 501668401 Husqvarna Repair Kit Diaphragm Set
See part B-14 in the diagram
( Grid squares measure 1x1 inch )

Repair Kit Diaphragm Set 501668401

Manufactured by:
Husqvarna
ERP Number:
ERP8984881
Part Number:
501668401
Original Equipment Manufacturer ?
In Stock
Delivers in 3-5 Business Days!

A Bit Difficult 

30 - 60 mins 

(2 rated repairs) ?

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Product Description

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The repair kit diaphragm is an essential replacement part designed to keep your outdoor power equipment operating at its best. Built to work seamlessly within the carburetor system, this component helps regulate fuel flow for consistent engine performance and reliable starting. Its precision construction ensures a secure fit and long-lasting durability, reducing the risk of engine issues caused by wear or damage. Replacing a worn diaphragm with this high-quality kit restores efficiency and helps extend the life of your equipment, so you can tackle lawn care and outdoor projects with confidence.

Frequently Purchased Together

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Troubleshooting

This part works with the following brands:
  • Husqvarna
  • Jonsered
This part works with the following products:
  • Chainsaw
Part# 501668401 replaces these:
501667101, 501668401,

Customer Part Reviews

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3.7
Average Rating (out of 5):
★★★★★
★★★★★
(3 Reviews)
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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.

A Bit Difficult 

30 - 60 mins 

(2 rated repairs) ?
  • 1
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Saw was hard to start.

GREGORY from HARTLAND, Wisconsin

3 of 3 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
15 - 30 mins
Tools:
Pliers, Screw drivers
Parts Used:
501668401
Cleaned carburetor. Rebuilt carburetor with parts supplied. Runs great again.
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Chainsaw wouldn\'t start.

Gregory from Minoa, New York

0 of 1 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
30 - 60 mins
Tools:
Pliers, Screw drivers, Socket set
Parts Used:
501668401
1. Removed bar, chain & top cover.
2. Removed carburetor.
3. Disassembled, cleaned & installed new part.
4. Set idle screws to factory positions.
5. Reassembled & started!
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  • 1

Model Cross Reference

This part works with the following models:
ERP Number: ERP8984881
Manufacturer Part Number: 501668401
Brand Model Number Description
Husqvarna 133 Chainsaw - Chainsaw
Husqvarna 154 Chainsaw - Chainsaw
Jonsered 2054 Chainsaw - Chain Saw
Jonsered 2054EPA Chainsaw - Chain Saw
Jonsered 2055 Chainsaw - Chain Saw
Husqvarna 234 Chainsaw - Chainsaw
Husqvarna 238 Chainsaw - Chainsaw
Husqvarna 242 Chainsaw - Chainsaw
Husqvarna 246 Chainsaw - Chainsaw
Husqvarna 250PS Pole Saw - Pruning Saw
Husqvarna 250RX Brush Cutter - Brushcutter
Husqvarna 254 Chainsaw - Chainsaw
Husqvarna 257 Chainsaw - Chainsaw
Husqvarna 261EPA Chainsaw - Chainsaw
Husqvarna 262 Chainsaw - Chainsaw
Husqvarna 262XP Chainsaw - Chainsaw
Husqvarna 340 Chainsaw - Chainsaw
Husqvarna 340EPA Chainsaw - Chainsaw
Husqvarna 345 Chainsaw - Chainsaw
Husqvarna 345EPA Chainsaw - Chainsaw
Husqvarna 346XP Chainsaw - Chainsaw
Husqvarna 350 Chainsaw - Chainsaw
Husqvarna 350EPA Chainsaw - Chainsaw
Husqvarna 351 Chainsaw - Chainsaw
Husqvarna 351EPA Chainsaw - Chainsaw
Husqvarna 42 Chainsaw - Chainsaw
Husqvarna 44 Chainsaw - Chainsaw