{"product_id":"high-output-alternator-for-mazda-mx-5-miata-1994-1997-1-8l","title":"High Output Alternator for Mazda MX-5 Miata (1994-1997) 1.8L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHigh-Amp 150A Direct-Fit Alternator for 1994-1997 Mazda MX-5 Miata\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The 150 Amp High Output Alternator replaces the low-capacity factory charging unit on the 1994-1997 Mazda MX-5 Miata to supply consistent system voltage under severe auxiliary electrical loads and eliminate idle voltage drops.\u003c\/p\u003e\n\u003ch3\u003eThe Stock Mazda MX-5 Miata Electrical Limitations\u003c\/h3\u003e\n\u003cp\u003eThe factory charging system in the first-generation \u003cstrong\u003eNA\u003c\/strong\u003e chassis utilizes a modest 70-amp alternator engineered strictly for base electrical demands. When builders configure the \u003cstrong\u003eBP-ZE\u003c\/strong\u003e engine for track or street use, the addition of dual high-cfm electric cooling fans, standalone engine management, upgraded high-flow fuel pumps, or high-draw audio amplifiers rapidly overwhelms the OEM stator. This deficit causes critical voltage sag below 12.8V at idle, generating dim headlights, slow starter cranking, erratic sensor data, and battery degradation due to thermal saturation of the factory internal rectifier.\u003c\/p\u003e\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered as a bolt-on replacement for OEM casting \u003cstrong\u003eBPE9-18-300\u003c\/strong\u003e, this heavy-duty unit steps up total output from 70 amps to a bench-tested 150 amps. Built around heavy-gauge copper windings and high-temp solid-state rectifiers, it maintains optimal charging current across low-RPM idle and high-rev operation. The housing retains factory mounting lug geometry, stock belt alignment, and OE plug integration for the internal voltage regulator, requiring zero fabrication or chassis modifications.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 High Output 150 Amp Alternator\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n\u003ctable width=\"100% style=\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding: 10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003e1994-1997 Mazda MX-5 Miata\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eBP-ZE (1.8L) \/ NA (NA8C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding: 10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003e128-133 hp \/ 110-114 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eBPE9-18-300, BPE9-18-300A, BPE9-18-300R, A002T83491, A002T83491A, A2T83491, A2T83491A, 13559R, 13559N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1994-1997 Mazda MX-5 Miata Base Convertible 2-Door 1.8L\u003c\/li\u003e\n\u003cli\u003e1994-1997 Mazda MX-5 Miata M Edition Convertible 2-Door 1.8L\u003c\/li\u003e\n\u003cli\u003e1994-1997 Mazda MX-5 Miata R-Package Convertible 2-Door 1.8L\u003c\/li\u003e\n\u003cli\u003e1997 Mazda MX-5 Miata STO Edition Convertible 2-Door 1.8L\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the NA MX-5 Miata?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 1994-1997 Mazda MX-5 Miata equipped with the \u003cstrong\u003eBP-ZE\u003c\/strong\u003e 1.8L engine. \u003cstrong\u003eDoes not fit 1990-1993 1.6L (B6-ZE) engines without swapping mounting brackets and pulleys.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch4\u003eDo I need to upgrade my factory wiring harness?\u003c\/h4\u003e\n\u003cp\u003eTo safely pull the full 150-amp capacity, upgrading to a 4-gauge B+ alternator charge wire and chassis ground is strongly recommended.\u003c\/p\u003e\n\u003ch3\u003eThe Mazda Track Standard\u003c\/h3\u003e\n\u003cp\u003eBuilt to handle aggressive track cycles and demanding aftermarket loads, this alternator provides rock-solid electrical stability to keep your ignition strong and your electronics fully powered through every apex.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67621492949240,"sku":"DS-EMP5IVZ05","price":236.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/high-output-alternator-for-mazda-mx-5-miata-1994-1997-1-8l-1.jpg?v=1791662378","url":"https:\/\/performancechiptuning.com\/de\/products\/high-output-alternator-for-mazda-mx-5-miata-1994-1997-1-8l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}