{"product_id":"alternator-voltage-regulator-bosch-1986ae0081","title":"Bosch Alternator Voltage Regulator 12V - 1 986 AE0 081","description":"\u003cdiv class=\"product-description\"\u003e\n  \u003ch2\u003eProduct Details \u0026amp; Application\u003c\/h2\u003e\n\n  \u003cp\u003eThis Bosch alternator voltage regulator (1 986 AE0 081) is a 12 V replacement regulator used across a wide range of BMW and Mercedes-Benz alternator applications. It regulates alternator output voltage to protect the battery and vehicle electrical system during charging. Identification for this part is primarily by OEM reference cross-reference - match at least one supplied OE number to the regulator or alternator being replaced before ordering.\u003c\/p\u003e\n\n  \u003ch3\u003eKey Details\u003c\/h3\u003e\n  \u003cdl style=\"display:grid; grid-template-columns: 140px 1fr; gap: 6px 12px; margin:0;\"\u003e\n    \u003cdt style=\"font-weight:600; margin:0;\"\u003eSKU\u003c\/dt\u003e\n    \u003cdd style=\"margin:0;\"\u003e1986AE0081\u003c\/dd\u003e\n    \u003cdt style=\"font-weight:600; margin:0;\"\u003eComponent\u003c\/dt\u003e\n    \u003cdd style=\"margin:0;\"\u003eAlternator Voltage Regulator\u003c\/dd\u003e\n    \u003cdt style=\"font-weight:600; margin:0;\"\u003eBrand\u003c\/dt\u003e\n    \u003cdd style=\"margin:0;\"\u003eBosch\u003c\/dd\u003e\n    \u003cdt style=\"font-weight:600; margin:0;\"\u003ePart MPN\u003c\/dt\u003e\n    \u003cdd style=\"margin:0;\"\u003e1 986 AE0 081\u003c\/dd\u003e\n  \u003c\/dl\u003e\n\n  \u003ch3\u003eKey Benefits\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eGenuine Bosch replacement regulator.\u003c\/li\u003e\n    \u003cli\u003eExtensive BMW and Bosch OEM cross-references supplied for pre-order verification.\u003c\/li\u003e\n    \u003cli\u003eCompact 12 V unit, 90 x 43.5 x 120 mm.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eOEM Reference Numbers\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBosch:\u003c\/strong\u003e 1 986 AE0 081\u003c\/li\u003e\n    \u003cli\u003eF 00M A45 221\u003c\/li\u003e\n    \u003cli\u003eF 00M 145 880\u003c\/li\u003e\n    \u003cli\u003eF 00M 145 262\u003c\/li\u003e\n    \u003cli\u003eF 00M 145 285\u003c\/li\u003e\n    \u003cli\u003eF 00M 145 312\u003c\/li\u003e\n    \u003cli\u003eF 00M 145 655\u003c\/li\u003e\n    \u003cli\u003e0 124 515 051\u003c\/li\u003e\n    \u003cli\u003e0 124 515 098\u003c\/li\u003e\n    \u003cli\u003e0 124 525 042\u003c\/li\u003e\n    \u003cli\u003e0 124 525 045\u003c\/li\u003e\n    \u003cli\u003e0 124 525 048\u003c\/li\u003e\n    \u003cli\u003e0 124 525 059\u003c\/li\u003e\n    \u003cli\u003e0 124 525 561\u003c\/li\u003e\n    \u003cli\u003e0 399 604 014\u003c\/li\u003e\n    \u003cli\u003e0 399 604 028\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBMW:\u003c\/strong\u003e 12 31 7 523 059\u003c\/li\u003e\n    \u003cli\u003e12 31 7 540 656\u003c\/li\u003e\n    \u003cli\u003e12 31 7 505 922\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n  \u003cdiv style=\"overflow-x:auto; margin:0 0 24px 0;\"\u003e\n    \u003ctable style=\"width:100%; border-collapse:collapse; font-size:14px; line-height:1.45;\"\u003e\n      \u003cthead\u003e\u003ctr style=\"background-color:#1a1a2e; color:#ffffff;\"\u003e\n\u003cth scope=\"col\" style=\"padding:5px 8px; text-align:left; border:1px solid #ddd; vertical-align:top;\"\u003eSpecification\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"padding:5px 8px; text-align:left; border:1px solid #ddd; vertical-align:top;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003cth scope=\"row\" style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; text-align:left; font-weight:normal;\"\u003eVoltage\u003c\/th\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top;\"\u003e12 V\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background-color:#ffffff;\"\u003e\n\u003cth scope=\"row\" style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; text-align:left; font-weight:normal;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top;\"\u003e90 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003cth scope=\"row\" style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; text-align:left; font-weight:normal;\"\u003eWidth\u003c\/th\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top;\"\u003e43.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background-color:#ffffff;\"\u003e\n\u003cth scope=\"row\" style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; text-align:left; font-weight:normal;\"\u003eHeight\u003c\/th\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top;\"\u003e120 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eApplication \u0026amp; Compatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eFits a range of BMW and Mercedes-Benz alternator applications that use Bosch alternators cross-referencing the listed OE numbers.\u003c\/li\u003e\n    \u003cli\u003eIdentification for this part is by OEM cross-reference - match the regulator or host alternator's OE number against the list above before ordering.\u003c\/li\u003e\n    \u003cli\u003eConfirm 12 V system voltage, physical dimensions, and terminal\/connector orientation on the removed unit before fitting.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation \/ Use \/ Maintenance Tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eDisconnect the battery before removing or installing the regulator.\u003c\/li\u003e\n    \u003cli\u003eInspect the slip rings and brush contact surfaces on the alternator before fitting the new regulator - worn slip rings will prematurely wear a new regulator.\u003c\/li\u003e\n    \u003cli\u003eEnsure the regulator and main B+ terminal connections are clean and secure.\u003c\/li\u003e\n    \u003cli\u003eAfter installation, verify charging voltage at idle and under load, and confirm no battery or charging warnings remain.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCommon Questions\u003c\/h3\u003e\n  \u003cp\u003e\u003cstrong\u003eHow do I confirm this is the right alternator voltage regulator?\u003c\/strong\u003e\u003cbr\u003e\n  Match one of the listed OEM reference numbers (Bosch or BMW) on the removed regulator or on the alternator itself to one of the cross-references above. Confirm the physical size and terminal layout before ordering.\u003c\/p\u003e\n\n  \u003cp\u003e\u003cstrong\u003eWhat OEM part numbers does this cross-reference?\u003c\/strong\u003e\u003cbr\u003e\n  Cross-reference numbers are listed in the OEM Reference Numbers section above. Match at least one to your original part before ordering.\u003c\/p\u003e\n\n  \u003cp\u003e\u003cstrong\u003eWhat brand is this part?\u003c\/strong\u003e\u003cbr\u003e\n  This listing is for Bosch alternator voltage regulator.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":51516095463739,"sku":"1986AE0081","price":1260.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/3480\/8379\/files\/alternator-voltage-regulator-bosch-1986ae0081-1.jpg?v=1785394067","url":"https:\/\/gunmansa.co.za\/products\/alternator-voltage-regulator-bosch-1986ae0081","provider":"GUNMANSA","version":"1.0","type":"link"}