AUTOOL SPT105Product OverviewThe AUTOOL SPT105 Spark Plug Tester Tool is a dual-hole spark plug tester for comparing two spark plugs under simulated engine working conditions. It supports adjustable simulated RPM from 0 to 6000 rpm, adjustable test hole height for longer spark plug ends, and a transparent safety cover for safer visual spark observation during 12V vehicle spark plug checks.Dual-Hole Test 0-6000 rpm Adjustable Height Safety Cover2 HolesSimultaneous Test110V / 220VInput Option0-45°CWorking Temp3 YearsWarranty Click to enlarge Click to enlargeProduct ComparisonProduct ComparisonCompare SPT101, SPT105, SPT301, and SPT360 before choosing the right tester for test hole quantity, simulated RPM range, adjustable hole height, LCD display, long spark plug support, and workshop testing volume.SPT101 FocusBasic dual-hole spark plug tester with 0-6000rpm simulation, adjustable simulated RPM, and a safety protection cover. It does not support adjustable hole position height, long spark plug testing, or LCD digital display.SPT105 FocusDual-hole spark plug tester with 0-6000rpm simulation, adjustable test hole height, long spark plug support, and a safety protection cover. Choose it if you need long spark plug compatibility but do not need an LCD screen.SPT301 FocusThree-hole spark plug tester with 200-9000rpm simulation, LCD digital backlit screen, adjustable hole position height, and long spark plug support.SPT360 FocusFive-hole spark plug tester with 200-9000rpm simulation, LCD digital backlit screen, adjustable hole position height, and long spark plug support for higher-volume comparison testing.Decision CheckChoose based on test hole quantity, RPM range, adjustable hole height, LCD display requirement, long spark plug support, and whether you need basic comparison testing or higher-volume workshop testing. Click to enlargeKey FeaturesKey FeaturesSPT105 is built for quick spark plug comparison, simulated RPM testing, long spark plug compatibility, and safer observation through a transparent protective cover.Dual-Hole ComparisonTest two spark plugs at the same time to compare spark status more quickly during basic 12V vehicle spark plug checks.Adjustable Test Hole HeightThe adjustable height design improves compatibility with longer spark plug ends used by BMW, Volkswagen, Audi, and other models.0-6000rpm SimulationAdjust the simulated engine working speed from 0 to 6000 rpm to observe spark plug performance under different test conditions.Visual Spark ObservationThe tester helps users visually check ignition strength, spark continuity, and comparative working status through the transparent cover.Protective Safety CoverClose the protective cover before testing to reduce direct exposure to sparks and improve operational safety.3-Year SupportAUTOOL provides 3-year warranty support for eligible non-human damage cases and product support for setup and compatibility questions.How To UseHow To UseSPT105 is simple to operate: place the spark plug, close the protective cover, connect power, adjust the working frequency, and observe the spark status through the cover.Place Spark PlugPlace the spark plug securely into the test hole. Use the adjustable test height when testing longer spark plug ends.Close Safety CoverClose the transparent protective cover before starting the test to reduce direct spark exposure.Connect Power And Adjust RPMConnect the correct 110V / 220V power supply option, then adjust the working frequency or simulated RPM with the control knob.Observe And Compare Spark StatusObserve the spark plug test status through the protective cover and compare performance if two plugs are tested together.Use NotesClose the protective cover before testing.Confirm the correct 110V / 220V input option before connecting power.Keep hands away from the test hole area during operation.Use the adjustable height function for longer spark plug ends.SpecificationsSpecificationsUse this compact summary to confirm SPT105 capability, model positioning, and key purchase checks before ordering.Product OverviewProductAUTOOL SPT105 Spark Plug Tester ToolWorking PrincipleDigital sensingTest Holes2 test holes for simultaneous spark plug comparisonSimulated RPM0-6000 rpm adjustable simulated engine speedInput Voltage110V / 220V, confirm the correct voltage option before ordering or useAmbient Temperature0-45°CWorking Condition SimulationSupportedFunction NotesAdjustable HeightSupports adjustable test hole height for longer spark plug endsLong Spark Plug SupportSuitable for longer spark plug ends used by BMW, Volkswagen, Audi, and other modelsSafety CoverTransparent safety protection cover supports safer spark observationAdjustable Simulated RPMSupportedLCD ScreenSPT105 does not include an LCD digital backlit screenHigher ModelsChoose SPT301 or SPT360 if 200-9000rpm simulation, LCD display, and more test holes are requiredSupportManualAUTOOL SPT105 EN user manual available for downloadWarranty3-year warranty for eligible non-human damage cases Product OverviewProductAUTOOL SPT105 Spark Plug Tester ToolWorking PrincipleDigital sensingTest Holes2 test holes for simultaneous spark plug comparisonSimulated RPM0-6000 rpm adjustable simulated engine speedInput Voltage110V / 220V, confirm the correct voltage option before ordering or useAmbient Temperature0-45°C Function NotesAdjustable HeightSupports adjustable test hole height for longer spark plug endsLong Spark Plug SupportSuitable for longer spark plug ends used by BMW, Volkswagen, Audi, and other modelsSafety CoverTransparent safety protection cover supports safer spark observationAdjustable RPMAdjustable simulated RPM supportedLCD ScreenSPT105 does not include an LCD digital backlit screenHigher ModelsChoose SPT301 or SPT360 if 200-9000rpm simulation, LCD display, and more test holes are required SupportManualAUTOOL SPT105 EN user manual available for downloadWarranty3-year warranty for eligible non-human damage cases Before You Order And UseBefore You Order And UseConfirm voltage option, display needs, long spark plug testing requirements, and operating safety before ordering or using the SPT105.Confirm Input VoltageConfirm the correct 110V / 220V input option before ordering or connecting power.No LCD DisplaySPT105 does not include an LCD digital backlit screen. Choose SPT301 or SPT360 if a digital display is required.RPM Range CheckSPT105 supports 0-6000rpm simulation. Choose SPT301 or SPT360 if 200-9000rpm simulation is required.Long Spark Plug SupportSPT105 supports adjustable test hole height for longer spark plug ends. SPT101 does not support this function.Close Cover Before TestingAlways close the transparent protective cover before testing to reduce direct spark exposure.Spark Plug Test ScopeSPT105 is intended for spark plug testing and comparison. It is not a full ignition system diagnostic tool.Safety ReminderKeep hands away from the test hole area during operation.Do not touch the spark plug or test hole area while the tester is working.Use the tester under the stated 0-45°C ambient temperature range.Manual And DownloadsManual And DownloadsDownload the AUTOOL SPT105 user manual for setup, spark plug placement, protective cover use, working frequency adjustment, and safe testing instructions. Click to enlargeAUTOOL SPT105 EN User ManualOpen the PDF manual for SPT105 setup, operation, protective cover use, and spark plug testing guidance. Download ManualNeed Setup Confirmation?Contact AUTOOL Store if you need to confirm input voltage, spark plug compatibility, long spark plug testing, model selection, manual instructions, or warranty support before ordering.Email[email protected] WhatsApp 86 189 2647 7404Related ProductsRelated ProductsCompare related AUTOOL spark plug tester models before choosing the right hole count, RPM range, adjustable height support, display type, and testing capacity.Select options This product has multiple variants. The options may be chosen on the product page Add to wishlist Add to compare Quick view iconQuick view Spark Plug TesterAUTOOL SPT101 Spark Plug Tester Spark Plug CheckerRated 0 out of 5(0) From US$40.00 Select options This product has multiple variants. The options may be chosen on the product page Select options This product has multiple variants. The options may be chosen on the product page Add to wishlist Add to compare Quick view iconQuick view Spark Plug TesterAUTOOL SPT105 Spark Plug Tester Tool Adjustable Spark TesterRated 0 out of 5(0) From US$33.00 Select options This product has multiple variants. The options may be chosen on the product page Select options This product has multiple variants. The options may be chosen on the product page Add to wishlist Add to compare Quick view iconQuick view Spark Plug TesterAUTOOL SPT301 Car Spark Tester Automotive DiagnosticRated 0 out of 5(0) From US$59.00 Select options This product has multiple variants. The options may be chosen on the product page Select options This product has multiple variants. The options may be chosen on the product page Add to wishlist Add to compare Quick view iconQuick view Spark Plug TesterAUTOOL SPT360 Spark Plug Tester Automotive DiagnosticRated 0 out of 5(0) From US$59.00 Select options This product has multiple variants. The options may be chosen on the product page Questions And AnswersThese answers cover SPT105 operation, dual spark plug testing, simulated RPM range, long spark plug support, voltage selection, LCD display differences, SPT101 / SPT301 / SPT360 comparison, and safety cover use. How Do I Use AUTOOL SPT105? Place the spark plug in the test hole, close the protective cover, connect the correct power supply, adjust the working frequency, and observe the spark plug status through the transparent cover. Can SPT105 Test Two Spark Plugs At The Same Time? Yes. SPT105 has a dual-hole design and can test two spark plugs simultaneously, which helps users compare spark plug performance more quickly. What Is The Simulated RPM Range Of SPT105? SPT105 supports 0-6000rpm adjustable simulated RPM testing. Does SPT105 Support Long Spark Plugs? Yes. SPT105 supports adjustable test hole height and is suitable for longer spark plug ends used by BMW, Volkswagen, Audi, and other models. Which Voltage Option Should I Choose? SPT105 has 110V / 220V input options. Confirm the correct voltage option for your local power supply before ordering or connecting power. Does SPT105 Have A Digital Display? No. SPT105 does not include an LCD digital backlit screen. Choose SPT301 or SPT360 if a digital display is required. What Is The Difference Between SPT105 And SPT101? Both are dual-hole testers with 0-6000rpm simulation, adjustable simulated RPM, and safety protection covers. SPT105 adds adjustable hole position height and long spark plug testing support, while SPT101 does not support those two functions. What Is The Difference Between SPT105 And SPT301 / SPT360? SPT105 has two test holes, 0-6000rpm simulation, adjustable hole height, and no LCD display. SPT301 has three test holes, 200-9000rpm simulation, and an LCD digital backlit screen. SPT360 has five test holes, 200-9000rpm simulation, and an LCD digital backlit screen. Should I Close The Protective Cover Before Testing? Yes. Close the protective cover before testing to reduce direct exposure to sparks and improve operational safety. Keep hands away from the test hole area while the tester is working.Warranty And ContactWarranty And ContactContact AUTOOL Store if you need help with SPT105 setup, voltage confirmation, spark plug compatibility, long spark plug testing, model comparison, manual download, or warranty support.Pre-Sales And Product SupportUse support if you need to confirm SPT105 input voltage, long spark plug compatibility, dual-hole testing workflow, SPT101 / SPT105 / SPT301 / SPT360 model selection, or manual instructions before purchase.3-year warranty for eligible non-human damage casesManual download and setup supportVoltage option confirmationLong spark plug and adjustable test hole height supportSPT101 / SPT105 / SPT301 / SPT360 model comparison supportSafety cover use and spark observation guidanceEmail Support[email protected] WhatsApp Support 86 189 2647 7404