STIHL Ignition Module for BG 56, BG 86, SH 56 & SH 86 - 4241 400 1320 The STIHL Ignition Module for BG 56, BG 86, SH 56 and SH 86 machines is a genuine replacement spark-generation unit designed to restore reliable ignition performance on compatible STIHL handheld blowers and vacuum shredders. This OEM ignition module produces the high voltage needed to create a clean, consistent spark at the spark plug, helping the engine start quickly, idle smoothly and run reliably under load. Built to STIHL original equipment standards, this sealed and potted ignition module features a durable polymer housing and laminated core designed to withstand vibration, heat and damp outdoor working conditions. It is ideal for professional landscapers, grounds maintenance teams and domestic garden users repairing machines that are hard to start, misfiring, losing power when warm or showing weak spark symptoms. Key Features Genuine STIHL ignition module for correct fit, timing and durability Manufacturer Part Number: 4241 400 1320 Direct replacement for earlier STIHL numbers 4241 400 1307 and 4241 400 1317 Produces high voltage for a clean, reliable spark at the spark plug Helps restore easy starting, stable idle and clean acceleration Sealed potted electronics help resist moisture and vibration Durable polymer housing with laminated core for outdoor working conditions Precise mounting points and lead routing for straightforward installation Designed for selected STIHL handheld blowers and vacuum shredders Helps resolve weak spark, intermittent misfire, hot-start issues and no-start faults Typical Applications This STIHL ignition module is used during servicing or repair of compatible handheld blowers and vacuum shredders. It is suitable for restoring dependable ignition performance in landscaping, grounds maintenance and domestic garden care, particularly where the engine is difficult to start, misfires, stalls when hot, loses power or shows poor throttle response. Technical Specification Brand STIHL Product Type Ignition Module / Ignition Coil Manufacturer Part Number 4241 400 1320 Replaces Part Numbers 4241 400 1307, 4241 400 1317 Alternate Part Numbers 4241-400-1307, 4241-400-1320, 42414001317, 42414001320, 42414001307 Construction Sealed potted assembly with polymer housing and laminated core Function Generates spark voltage for ignition and engine running Suitable For Selected STIHL handheld blowers and vacuum shredders Part Type Genuine OEM Replacement Part Fits Models STIHL BG56 STIHL BG86 STIHL BG86C STIHL SH56 STIHL SH56C STIHL SH86 STIHL SH86C Also Known As STIHL ignition coil STIHL ignition unit STIHL magneto coil STIHL coil module STIHL armature assembly STIHL HT ignition module STIHL blower ignition module STIHL SH56 ignition coil STIHL BG86 ignition module Why Choose Genuine STIHL Parts? Genuine STIHL parts are manufactured to match the original specification for fit, timing, electrical performance and durability. Choosing an original STIHL ignition module helps ensure correct spark generation, reliable engine starting and stable running, reducing the risk of poor fitment, weak spark or intermittent ignition faults from non-genuine components. Explore More STIHL Spare Parts STIHL Parts Finder Leaf Blower Accessories Brushcutter & Strimmer Accessories Sharpening & Maintenance Tools FAQs Is this a genuine STIHL ignition module? Yes, this is a genuine STIHL ignition module manufactured to original equipment standards. What is the part number for this STIHL ignition module? The manufacturer part number is 4241 400 1320. It also replaces earlier STIHL numbers 4241 400 1307 and 4241 400 1317. Which STIHL machines does this ignition module fit? This ignition module fits selected STIHL handheld blowers and vacuum shredders, including BG56, BG86, BG86C, SH56, SH56C, SH86 and SH86C models. What does the ignition module do? The ignition module generates the high voltage required to create spark at the spark plug, helping the engine start, idle and run correctly. When should this ignition module be replaced? Replace the ignition module if diagnosis confirms symptoms such as weak spark, no spark, hard starting, intermittent misfire, hot-start failure or power loss are linked to the ignition system.