Products Description
Shindaiwa B45 Brush Cutter Ignition Coil – OEM & Aftermarket Options
Reliable Ignition Module for Shindaiwa B45 & Compatible Brushcutters
The ignition coil is a critical component of the Shindaiwa B45 brushcutter's electronic ignition system, responsible for generating the high-voltage spark required to ignite the fuel-air mixture in the engine. A failing coil can manifest as hard starting, weak spark, intermittent cutting out, or a complete no-start condition . Replacement coils are available in both genuine OEM and high-quality aftermarket options, with several part numbers compatible with the B45 platform.
Technical Profiles & Materials
OEM-Spec Replacement Fitment – The primary ignition coil for the Shindaiwa B45 is OEM part number A411001020, a genuine Shindaiwa component that delivers consistent spark for optimal engine ignition . Alternative OEM references include A411000780 (which replaces 70200-71610) and A411000610 . The Raisman 7042945 coil is an aftermarket alternative that directly replaces Shindaiwa 2001171611 .
Wide Model Compatibility – The A411000780 coil is compatible with Shindaiwa B45, B45LA, B450, C35, C350, and T350 models . The A411001020 coil is verified for B45, B230, and T242 models . The A411000610 coil is designed for select Shindaiwa models requiring this specific ignition module.
Durable Construction – Manufactured from high-quality metal with rubber insulated cord, designed to resist heat and vibration for long-lasting durability . The coil provides the essential electrical charge to the spark plug for ignition and is resistant to the demanding outdoor conditions typical of brushcutter operation.
Precise Air Gap Setting – The coil gap must be set correctly for optimal spark generation. A gap of approximately one business card thickness (0.010–0.012 inches) is recommended between the coil and the flywheel magnets . Correct gap adjustment is essential for reliable ignition and engine performance.
Easy Installation – Simple replacement requiring basic hand tools (typically an Allen wrench or hex key) . Installation involves removing the old coil, installing the new unit, and setting the correct air gap. The coil is sold individually; spark plug boots may be sold separately .
Technical Specifications
| # | Parameter | Specification |
|---|---|---|
| 1 | OEM Part No. (Primary) | A411001020 |
| 2 | Alternative OEM Part No. | A411000780, A411000610 |
| 3 | Aftermarket Part No. | Raisman 7042945 (replaces 2001171611) |
| 4 | Compatible Models | Shindaiwa B45, B45LA, B450, C35, C350, T350 |
| 5 | Additional Compatibility | B230, T242 |
| 6 | Material | Metal with rubber insulated cord |
| 7 | Air Gap Setting | Approx. 0.010–0.012 inches |
| 8 | Tools Required | Allen wrench / hex key |
| 9 | Recommended Spark Plug | Champion CJ8 (gapped to 0.024 inch / 0.6 mm) |
| 10 | Unit of Sale | 1 piece |
Products Application
Shindaiwa B45 Brushcutter Performance Restoration
Direct replacement when the engine exhibits hard starting, weak spark, misfiring, or intermittent cutting out. If the spark plug is clean and correctly gapped but the engine still has no spark, the ignition coil is the next component to test or replace . This coil restores reliable spark and consistent engine performance for professional landscaping and grounds maintenance applications..
Diagnosing No-Spark Conditions
The B45 service manual lists "faulty ignition unit" as a primary cause of no spark . If the spark plug wire terminal shows no spark during testing, and other components (spark plug, wiring) are in good condition, the ignition coil should be replaced . The manual also notes that a "shorted ignition system" can cause starting difficulties, which may be resolved by replacing the ignition unit .
Workshop & Preventative Maintenance
For repair centres and professional landscapers servicing Shindaiwa B45 and compatible brushcutters, ignition coils are standard replacement components. Genuine OEM parts guarantee fitment and durability, while aftermarket options provide a cost-effective alternative . When replacing the coil, ensure the air gap between the coil and flywheel magnets is set correctly using a feeler gauge or a piece of cardboard as a guide.
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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FAQ
Q: How do I confirm which ignition coil fits my Shindaiwa B45?
A:Check your machine model number on the identification plate. For the standard B45 and B45LA, the primary OEM part number is A411001020 . The A411000780 coil is also compatible with B45, B45LA, and B450 models . For aftermarket options, the Raisman 7042945 replaces Shindaiwa 2001171611 .
Q: What are the symptoms that indicate the ignition coil needs replacing?
A: Common symptoms include hard starting, weak or intermittent spark, the engine cutting out when hot, misfiring under load, or the engine failing to start despite having good fuel and compression . The B45 service manual identifies a "faulty ignition unit" as a potential cause of no spark .
Q: What is the correct air gap for the ignition coil?
A: Set the gap between the ignition coil and the flywheel magnets to approximately one business card thickness (0.010–0.012 inches) . Use a feeler gauge or a piece of cardboard to set the gap correctly. The recommended spark plug is Champion CJ8, gapped to 0.024 inch (0.6 mm) .
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