Description
Overview:
This Genuine Husqvarna Gasket Kit is a complete sealing set for selected petrol chainsaws, engineered to restore airtight and fuel‐tight joints across key engine and exhaust interfaces. Made from durable, fuel‐ and heat‐resistant composite gasket materials, it helps maintain compression, prevent air leaks, and support reliable 2‐stroke operation. Designed for an exact OEM fit on popular models such as the Husqvarna 435 and 440E, it is suitable for routine servicing or a top‐end refresh. Parts are cut to precise tolerances to match the original specifications, helping to minimise downtime and simplify reassembly. Supplied as an official replacement under part number 504 79 40 01, this kit is a practical choice for keeping your saw performing as it should in demanding site, workshop, and garden use.
Key Features:
- Genuine Husqvarna part for assured fit, material quality, and performance
- Maintains compression and sealing to support smooth starting and stable running
- Helps prevent air leaks that can lead to lean running and premature wear
- Fuel‐, oil‐ and heat‐resistant materials suited to modern pump fuels
- Cut to OEM tolerances for consistent alignment with housings and ports
- Suitable for routine maintenance or during cylinder, piston, or muffler work
- Straightforward to fit with standard hand tools; no modifications required
- Supports efficiency by reducing unnecessary fuel consumption and emissions
- Compatible with a wide range of mid‐size Husqvarna homeowner and pro saws
- Supplied as a comprehensive kit to replace tired or damaged gaskets in one go
Typical Applications:
Used during engine rebuilds, decoke jobs, piston and ring replacement, crankcase resealing, or when diagnosing air leaks and poor idling. Also suitable when refitting the carburettor or muffler after maintenance, or following impact, overheating, or prolonged storage where gaskets have hardened.
Also known as:
Chainsaw gasket set, full engine gasket kit, overhaul gasket pack, crankcase gasket set, cylinder base gasket set, intake and exhaust gasket kit, sealing kit for 2‐stroke chainsaws.
Fits Models:
135, 135E, 140E, 435, 435E, 435EII, 435II, 440E, 440EII, 440II
Alternate Part Numbers:
504794001, 504 79 40 01
Product Specifications
| L&S Part No. | 504 79 40 01 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 504794001 |
| Unit of Sale | 1 |
| Applications | 135, 135E, 140E, 435, 435E, 435EII, 435II, 440E, 440EII, 440II |
| Machine Type | Chainsaws |
| Fits Brands | Husqvarna |
| Fits Models | 135 | 135E | 140E | 435 | 435E | 435EII | 435II | 440E | 440EII | 440II |
Reviews
Ask a Question
Compatibility
Customers also bought
-
![]()
18" (45cm) Blade for Yamaha YLM446 Lawn Mower£23.88 £19.90 -
![]()
Oil Pump for Stihl MS201 - 1145 640 3200£43.12 £35.93
