Products Description
Intake Manifold Gasket fits HUS435 HUS440 Chainsaw | Carburetor-to-Cylinder Seal
Precision Die-Cut Induction Isolation Gasket featuring Dual-Port Aperture and Multi-Point Bolt Alignment for 2-Stroke Air-Leak Prevention.
HUS435/HUS440 Inlet manifold gasket
The HUS435/HUS440 intake manifold gasket seals the critical junction between the carburetor assembly and the cylinder intake port on 40cc-class professional chainsaws. Die-cut from a high-density fuel-resistant fiber composite, it provides an absolute pneumatic barrier that prevents the induction air-leaks responsible for lean-running conditions, erratic idle, and catastrophic piston seizure in 2-stroke engines. The dual-port aperture geometry and precision-positioned bolt-hole array ensure exact alignment with the manifold and cylinder casting.
Precision die-cut contour perfectly matches intake flange, eliminates gaps for reliable sealing.Stable compression performance, prevents air leakage at the carburetor connection position.Standard hole layout for direct installation without trimming or modification.Essential spare part to fix lean mixture, unstable idle speed and insufficient engine power faults
Technical Profiles & Materials
Fuel-Resistant Fiber Composite Matrix: Fabricated from a non-asbestos fiber-elastomer composite, maintaining dimensional stability under exposure to gasoline, ethanol blends, and 2-stroke oil without swelling or delamination.
Dual-Port CNC Die-Cut Geometry: Features two precision-cut circular induction ports and a lower balance slot, plus three bolt holes positioned within ±0.15mm tolerance for seamless bolt-through alignment.
Vacuum-Pulse Sealing Integrity: Engineered to maintain an absolute seal under the alternating vacuum and pressure pulses of 2-stroke crankcase induction, preventing the unmetered air ingestion that leans the air-fuel mixture toward engine-destroying territory.
Technical Specifications
| ITEM | DETAILS |
| Type | Intake Manifold / Induction Isolation Gasket |
| Application | HUS435 / HUS440 Chainsaw (40cc-Class 2-Stroke Engine) |
| Code | 0113079 |
| Material | High-Density Non-Asbestos Fuel-Resistant Fiber Composite |
| Details explanation | ±0.15mm (CNC Die-Cut) |
| Brand Name | SeaSummer |
| Operating Temp | -20°C to +120°C |
| Delivery Time | 30 Days |
| Packaging | Cardboard packaging |
Products Application
Induction Air-Leak Diagnosis & Repair
The definitive seal for resolving the classic lean-running symptoms caused by a failed manifold gasket-unstable idle, hesitation on throttle opening, and inability to hold carburetor tune-by restoring absolute pneumatic integrity at the carburetor-to-cylinder interface.
Mandatory Replacement During Carburetor Service
An essential consumable for every HUS435/HUS440 carburetor removal or intake-system inspection. Reusing a previously compressed gasket guarantees incomplete sealing and progressive air-ingress.
Professional Fleet Induction Standardization
A single-part-number intake seal covering two widely deployed HUS mid-range saw platforms, simplifying spare-parts logistics for dealership service departments and professional arborist crews maintaining mixed-saw fleets.
Quality and Craftsmanship Details
Products Package
About Us
As a premier garden machinery parts supplier, Jiaxing Norsun Trading Co., Ltd. bridges global distributors with over 100 vetted China manufacturers. We streamline your B2B supply chain through strict quality control, flexible production, and factory-direct wholesale pricing. Partner with us for reliable, high-volume sourcing of precision-engineered outdoor power equipment components.
Trusted Partnership Power
YOUR PROFESSIONAL ONE-STOP SOURCE
FOR 10000+ OUALITY PARTS
Verified Factory Excellence
BACKED BY 200+ TRUSTED FACTORY PARTNERS
Production process
Quality control
Expo experience
Customer Reviews
FAQ
Q: Are you an impartial industrial components dealer or a direct China water pump factors factory?
A:We are a direct, ISO9001-certified engineering water pump components manufacturing facility and precision fluid-control factor manufacture exporter primarily based in China. We function our personal cleanroom injection molding bays, computerized ultrasonic welding arrays, computerized hydraulic stress check stations, and clean-room packaging lines, passing direct-factory wholesale price financial savings straight to your element procurement margins.
Q: Can your manufacturing unit furnish full certification forms for food-contact or consuming water compliance?
A: Yes, absolutely. For food, beverage, or scientific applications, our manufacturing unit makes use of one hundred percent virgin, un-recycled polypropylene resins accompanied by means of fabric traceability certificates. We mechanically furnish B2B purchasers with complete FDA compliance documentation, NSF-grade compound declarations, and RoHS/REACH chemical protection screening sheets to make certain clean clearance thru worldwide customs.
Q: Do you provide customization picks for distinctly corrosive fluids like sturdy acids or ozone?
A: Yes, we are a thoroughly succesful OEM/ODM supplier. For aggressive chemical or ozone environments, we can improve the 12x26.5mm valve configuration in our factory: substituting the general PP housing with top class PVDF (Fluoropolymer) and changing any steel springs with Hastelloy or whole springless gravity-ball architecture, making sure final chemical resistance.
Q: How do we impervious a pattern batch to execute computerized lifecycle and burst-pressure testing?
A: We relatively inspire complete laboratory contrast earlier than logging mass grant agreements. We can ship a pattern lot of 5-10 gadgets of our inventory 12x26.5mm take a look at valves for assessment (setup costs and DHL/FedEx air freight apply). Once the factors pass by your inner lifecycle verification and a formal wholesale quantity manufacturing contract or container run is locked in, the sampling charges are a hundred percent credited returned to your industrial balance.
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