Products Description
HUS128 Brush Cutter Throttle Cable | OEM Throttle Control Cable with Kill Switch Wiring Harness for Husqvarna 128 Straight-Shaft Trimmers
Flexible Corrugated-Conduit Assembly with Inner Stainless Steel Cable Core, Barrel-End Carburetor Termination, Pre-Wired Kill Switch Connectors & Spring-Clip Shaft Retention
HUS128 Brush cutter Throttle cable
This throttle cable assembly is the complete engine control link for the Husqvarna 128 series - Husqvarna's 28 cc 2-stroke straight-shaft trimmer platform widely used in domestic lawn maintenance and light commercial landscaping. The assembly integrates two critical control functions into a single protected harness: (1) a mechanical throttle cable that transmits the operator's trigger pull from the handle to the carburetor throttle butterfly, controlling engine speed from idle to wide-open throttle; and (2) a two-wire electrical harness terminating in pin-style connectors that complete the engine kill switch circuit, grounding the ignition coil to stop the engine when the operator presses the stop button.The entire assembly is enclosed in a flexible black corrugated conduit - split-loom style protective tubing - that routes along the brush cutter shaft from the handle controls to the engine. This conduit shields the inner cable and electrical wires from the physical abuse of brush and branch contact, UV exposure, and the vibration that would chafe exposed wires against the aluminum shaft tube.
Technical Profiles & Materials
Inner Stainless Steel Cable Core：
The mechanical throttle element consists of a multi-strand stainless steel inner cable wire that slides within a smooth nylon or PTFE inner liner inside the black outer sheath. Stainless steel is chosen over galvanized carbon steel for its corrosion resistance - brush cutter cables are exposed to moisture from wet grass, rain, and humidity, and a rusted cable core binds inside the sheath, causing sticky throttle return and engine runaway at idle.
Pre-Wired Kill Switch Harness：
Two blue insulated copper-core wires run parallel to the throttle cable inside the corrugated conduit. At the handle end, they terminate in black rectangular pin-style connectors that plug into the stop switch. At the engine end, the connectors mate with the ignition coil primary circuit. When the operator presses the stop button, the switch closes the circuit between these two wires, grounding the ignition coil's primary winding and collapsing the spark - the engine stops instantly.
Technical Specifications
| ITEM | DETAILS |
| Type | Throttle Cable Assembly - Integrated Kill Switch Wiring Harness |
| Application | Husqvarna 128, 128LD, 128R & compatible 28 cc 2-stroke straight-shaft brush cutters & grass trimmers |
| Code | / |
| Material | Multi-strand stainless steel inner cable with nylon liner, blue copper-core electrical wires, black corrugated PP split-loom conduit, zinc-plated spring steel retention clip |
| Details explanation | Complete harness: throttle cable + 2-wire kill switch circuit. Barrel-end carburetor fitting. Pin-style kill switch connectors at handle end. Corrugated conduit for shaft routing. Spring-clip shaft retention. Direct replacement for Husqvarna 128 series |
| Brand Name | SeaSummer |
| Operating Temp | −20 ~ +80 °C (ambient / cable & conduit) |
| Delivery Time | 30 Days |
| Packaging | Cardboard packaging |
Products Application
Brush Cutter Service & Fleet Maintenance
For mower repair shops, landscaping contractors, and equipment rental businesses maintaining fleets that include Husqvarna 128-series trimmers, stocking the throttle cable assembly as a spare part ensures same-day repair turnaround when a cable fails. The integrated design - throttle + kill switch in one harness - means the mechanic replaces one part instead of diagnosing and replacing separate throttle and electrical components. The spring-clip shaft retention allows installation without special tools: unclip the old assembly, route the new one along the shaft, clip into place, and connect the fittings at both ends.
Handle-to-Engine Control Restoration
When the throttle trigger feels loose, the engine won't reach full RPM, or the stop button no longer kills the engine, the cable harness has reached end of service life. Rather than attempting to splice kill switch wires (which creates failure-prone solder joints exposed to engine vibration and moisture) or crimping a new cable end (which will never match the precision of the barrel fitting), replacing the complete assembly is the correct repair. The pre-routed corrugated conduit eliminates the routing guesswork: the cable follows the factory path along the shaft without chafing against the shaft tube or engine cooling fins.
Husqvarna 128/128LD/128R Straight-Shaft Trimmers
The primary fitment. The Husqvarna 128 series (28 cc 2-stroke) is one of the most widely sold consumer-grade straight-shaft trimmers globally. The throttle cable is a wear component: the inner cable stretches from repeated trigger pulls, increasing free play and reducing maximum RPM; the outer sheath wears at the handle and carburetor entry points, exposing the inner cable to moisture and dirt; the kill switch wires fatigue at the handle-end connector terminals from the constant flexing of the handle assembly. Replacing the complete cable harness restores crisp throttle response and reliable engine shut-off .
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.
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YOUR PROFESSIONAL ONE-STOP SOURCE
FOR 10000+ OUALITY PARTS
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BACKED BY 200+ TRUSTED FACTORY PARTNERS
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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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