Husqvarna 530035505 Ignition Module – Genuine OEM Replacement Engine Ignition Module
Part Number: 530035505
Category: Chainsaw, Leaf Blower, String Trimmer & Small Engine Ignition Components
Type: Ignition Module / Ignition Coil – Genuine OEM Replacement Engine Ignition Module
The Husqvarna 530035505 Ignition Module is a genuine OEM replacement ignition component designed for select Husqvarna chainsaws, leaf blowers, string trimmers, pole pruners, and compatible small-engine outdoor power equipment. The component is identified as both an ignition module and ignition coil in parts documentation.
Product Specifications
- Part Number: 530035505
- Manufacturer: Husqvarna
- Product Type: Ignition Module / Ignition Coil
- OEM Description: Module / Module Ignition
- Alternate Description: Ignition Coil / Engine Ignition Module / Magneto Ignition Coil
- Component Type: Small Engine Electrical / Ignition Component
- Primary Application: Chainsaw / Leaf Blower / String Trimmer / Pole Pruner
- System: Engine Ignition System
- Function: Generates Voltage Required to Produce Spark at the Spark Plug
- Operating Interface: Engine Flywheel / Flywheel Magnets
- Compatible Brand: Husqvarna
- Installation Location: Adjacent to Engine Flywheel – Application Dependent
- Associated Components: Flywheel / Spark Plug / Spark Plug Wire / Stop Switch / Ignition Wiring
- Construction: Metal & Plastic Components
- Replacement Type: Direct OEM Replacement
- OEM Status: Genuine Husqvarna OEM Part
- Condition: New
- Quantity: 1 Ignition Module
- Part Number Reference: 530035505
- Alternate Number Format: 530 03 55-05
- UPC: 705788541348
Available product data identifies 530035505 as a genuine Husqvarna ignition module/coil and confirms its role in generating voltage for the spark plug.
Features & Benefits
- Genuine Husqvarna OEM replacement ignition component
- Functions as the engine ignition module / ignition coil
- Generates the voltage required by the spark plug
- Designed for compatible Husqvarna small-engine equipment
- Used on select chainsaws, blowers, trimmers, and pole pruners
- Mounts adjacent to the engine flywheel
- Works with the flywheel magnets to generate ignition energy
- Helps provide reliable engine spark
- Supports consistent starting and engine operation
- Application-specific OEM mounting configuration
- Direct replacement for equipment specifying 530035505
- Suitable for replacement of failed, cracked, corroded, or damaged ignition modules
- Sold individually
Ignition Module Function
The 530035505 Ignition Module is a critical part of the engine's spark-ignition system.
A simplified ignition process is:
Flywheel Rotation → Flywheel Magnets → Ignition Module → Spark Plug Wire → Spark Plug → Combustion
As the engine flywheel rotates, magnets in the flywheel pass the ignition module. The magnetic interaction allows the module to generate the electrical voltage required to create a spark across the spark plug electrodes.
That spark ignites the compressed air-fuel mixture inside the combustion chamber.
Published service information confirms that 530035505 generates the voltage for the spark plug.
Ignition Module vs. Ignition Coil
For 530035505, the terms ignition module and ignition coil are commonly used to describe the same component.
Available documentation identifies the part as:
- Module
- Ignition Module
- Ignition Coil
- Module Ignition
Therefore, a parts diagram or repair reference calling for an ignition coil may be referring to 530035505 when that specific part number is listed.
Documented Equipment Applications
Available application data identifies 530035505 for select:
- Husqvarna Chainsaws
- Husqvarna Leaf Blowers
- Husqvarna String Trimmers
- Husqvarna Pole Pruners
The same part number is also documented in certain compatible equipment produced under related outdoor-power-equipment brands.
Exact compatibility depends on the equipment model and production revision, so the model-specific parts diagram should always be checked before ordering.
Flywheel & Ignition Module Relationship
The ignition module is installed close to the engine flywheel.
As the flywheel rotates, its magnets pass the module and induce the electrical energy necessary for ignition.
Proper positioning between the flywheel and ignition module is important.
An incorrect air gap may contribute to:
- Weak spark
- No spark
- Hard starting
- Inconsistent engine operation
When installing an ignition module, use the model-specific air-gap specification rather than estimating the clearance.
Spark Plug Relationship
The ignition module supplies the voltage required for the spark plug to operate.
A spark plug requires sufficiently high voltage to produce an electrical arc across its electrode gap.
If the ignition module fails, the engine may crank normally but fail to start because the spark plug is not receiving adequate ignition voltage.
However, a no-spark condition does not automatically mean the ignition module has failed.
Common Reasons for Replacement
Replacement of the 530035505 Ignition Module may be appropriate if the original module has:
- Failed electrically
- Stopped producing spark
- Developed intermittent ignition output
- Cracked
- Developed corrosion
- Sustained heat damage
- Developed damaged wiring
- Developed a damaged spark plug lead
- Sustained impact damage
- Become physically deteriorated
- Failed after extended equipment use
Published product information specifically notes replacement when the module is cracked, corroded, or associated with an engine that fails to start.
Possible Signs of Ignition Module Failure
A faulty ignition module may contribute to:
- Engine cranks but will not start
- No spark at the spark plug
- Weak or inconsistent spark
- Intermittent starting problems
- Engine suddenly shutting off
- Engine failing to restart
- Ignition problems after the engine becomes warm
- Inconsistent engine operation
- Visible module cracking
- Corrosion around the module
- Damaged ignition wiring
Similar symptoms can also result from a faulty spark plug, stop switch, wiring problem, fuel-system issue, or other engine fault.
No-Spark Diagnosis
Before replacing 530035505 solely because the engine has no spark, inspect the complete ignition system.
Check:
- Spark plug condition
- Spark plug gap
- Spark plug wire
- Ignition module connections
- Stop/kill switch
- Short-circuit wiring
- Flywheel condition
- Flywheel magnets
- Ignition module air gap
Ignition troubleshooting information notes that if the ignition coil and spark plug produce spark when disconnected from the equipment wiring system, the underlying problem may be within the wiring rather than the ignition module itself.
Spark Plug Inspection
Inspect the spark plug before replacing the ignition module.
Check for:
- Worn electrodes
- Carbon deposits
- Oil fouling
- Cracked insulator
- Incorrect electrode gap
- Physical damage
- Excessive corrosion
A defective or heavily fouled spark plug can produce symptoms similar to a failed ignition module.
If the spark plug is questionable, testing with a known-good correctly specified plug can help isolate the ignition problem.
Stop Switch Inspection
The engine stop switch typically shuts the engine down by grounding or short-circuiting the ignition system.
A defective stop switch or damaged wire can create a no-spark condition even when the ignition module itself is functional.
Inspect the stop-switch circuit for:
- Damaged wiring
- Pinched wires
- Broken insulation
- Loose connections
- Corrosion
- Grounding where it should not occur
- Defective switch operation
This diagnostic step can help prevent unnecessary ignition-module replacement.
Flywheel Inspection
Inspect the engine flywheel when servicing the ignition system.
Check for:
- Physical damage
- Loose mounting
- Damaged magnets
- Excessive debris
- Corrosion
- Abnormal contact with the ignition module
The flywheel should rotate without contacting the ignition module.
Ignition Module Air Gap
Correct clearance between the flywheel magnets and ignition module is important for reliable ignition operation.
Husqvarna service documentation for ignition-module installation on applicable equipment illustrates positioning the module near the flywheel magnets and setting the specified air gap before tightening the mounting screws.
Because specifications can vary between engine designs, always use the service specification for the exact equipment model being repaired.
Installation Considerations
Before replacing 530035505:
- Shut off the equipment completely.
- Allow the engine and muffler to cool.
- Disconnect the spark plug.
- Remove the applicable engine or starter covers.
- Locate the ignition module adjacent to the flywheel.
- Note the original wiring arrangement.
- Disconnect the applicable ignition/stop-switch wiring.
- Remove the module mounting screws.
- Remove the original ignition module.
- Inspect the flywheel and magnets.
- Position the replacement 530035505 Ignition Module.
- Set the correct flywheel-to-module air gap according to the applicable service specification.
- Tighten the mounting screws appropriately.
- Reconnect the ignition wiring.
- Route the spark plug lead correctly.
- Rotate the flywheel manually and verify that it does not contact the module.
- Reinstall all covers.
- Reconnect the spark plug.
- Test the engine for proper starting and ignition operation.
Installation Tips
During installation:
- Allow the engine to cool before beginning service
- Photograph the original wiring arrangement if necessary
- Keep the flywheel and module mounting surfaces clean
- Use the model-specific ignition air-gap specification
- Do not allow the module to contact the rotating flywheel
- Make sure mounting screws are properly secured
- Route ignition wiring away from hot engine surfaces
- Keep wiring away from rotating components
- Inspect the spark plug while the ignition system is accessible
- Check the stop-switch wiring
- Confirm proper spark before extensive reassembly where appropriate
Important Notes
- Verify compatibility with your exact equipment model, product number, serial number, and production revision before ordering.
- Match part number 530035505 directly with the applicable OEM parts documentation.
- 530035505 is identified as an ignition module / ignition coil for compatible small-engine equipment.
- The ignition module generates voltage for the spark plug.
- Documented applications include select chainsaws, leaf blowers, string trimmers, and pole pruners.
- The module mounts near the engine flywheel on applicable equipment.
- This is an engine ignition component, not an ignition switch.
- Do not assume a no-start condition automatically indicates ignition-module failure.
- Inspect the spark plug before replacing the module.
- Check the stop/kill-switch circuit for unintended grounding.
- Inspect ignition wiring for damage.
- Inspect the flywheel and magnets.
- Maintain the correct ignition-module-to-flywheel air gap.
- Do not allow the flywheel to contact the ignition module.
- Do not drill, grind, modify, or otherwise alter the replacement module.
- Use 530035505 as the primary fitment reference.
- Do not select an ignition module solely by visual similarity.
- Mounting-hole spacing, ignition characteristics, wiring, spark-plug lead configuration, and engine compatibility must match.
- Shut off the engine and allow it to cool before servicing ignition components.
- Keep ignition wiring clear of hot muffler and engine surfaces.
- This listing is for one Husqvarna 530035505 Ignition Module only unless otherwise specified. Spark plug, flywheel, stop switch, wiring, mounting hardware, and other ignition-system components are sold separately unless explicitly included.
- Match Husqvarna 530035505 with your equipment's OEM parts documentation before ordering to ensure proper fitment.
