Description
Overview:
This Genuine Husqvarna Carburettor Diaphragm Kit is designed to restore correct fuel metering and pump action in Husqvarna petrol chainsaws. Built from fuel‐resistant materials for long service life, it replaces hardened or distorted diaphragms that cause poor starting, erratic idle, or loss of power. The kit is a direct fit for models such as 346XP and 346XPT and matches OEM specifications for reliable performance. It is suitable for routine servicing or repairs where the carburettor's flexible membranes and matching gaskets need renewal. As a genuine part (MPN 537 38 03 01), it supports consistent fuel delivery and stable tuning, helping your saw run smoothly under load and at idle while maintaining efficiency and reducing downtime.
Key Features:
- Genuine Husqvarna part for assured fit and performance
- Restores proper fuel metering and pump diaphragm function
- Fuel‐resistant construction for durability and stable tuning over time
- Direct replacement with no modifications required on listed models
- Helps cure hard starting, bogging, and inconsistent idle
- Maintains cutting performance and throttle response under load
- Suitable for routine service intervals and preventative maintenance
- OEM dimensions for reliable sealing with the carburettor body
- Supports efficient fuel economy and reduced emissions when correctly tuned
- Clear like-for-like replacement reduces fitting time for technicians and DIY users
Typical Applications:
Used during carburettor servicing on Husqvarna chainsaws to address symptoms such as fuel starvation, surging, poor acceleration, or failure to hold tune. Ideal when a saw has stood unused for a period, or after exposure to stale fuel. Commonly fitted as part of a mid-life refresh to keep professional and domestic saws running reliably.
Also known as:
Carburettor gasket and diaphragm set, metering and pump diaphragm kit, chainsaw carb service kit, carb rebuild diaphragm kit, fuel pump diaphragm set, chainsaw carburettor repair kit.
Fits Models:
346XP, 346XPT, 350, 353
Alternate Part Numbers:
537380301
