{"product_id":"high-output-alternator-for-volkswagen-beetle-1998-2005-2-0l","title":"High Output Alternator for Volkswagen Beetle (1998-2005) 2.0L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHigh-Output 250-Amp Direct-Fit Alternator for 1998-2005 Volkswagen Beetle (A4 \/ Type 9C)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The high-output alternator replaces the factory charging unit on the 1998-2005 Beetle to supply up to 250 amps of stable electrical current, eliminating severe voltage sag caused by high-draw auxiliary components.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Volkswagen Beetle Charging Deficiencies\u003c\/h3\u003e\n\u003cp\u003eFactory charging systems on the \u003cstrong\u003eA4\u003c\/strong\u003e chassis \u003cstrong\u003eType 9C\u003c\/strong\u003e Beetle utilize a modest 90-amp or 120-amp unit engineered solely for stock baseline electronics. Under continuous thermal stress, standard OEM diode packs encounter thermal runaway, resulting in voltage drops down to 12.2V at idle. When powering high-current aftermarket amplifiers, air suspension compressors, or secondary cooling fans, the stock stator saturates, draining the battery, causing headlamp flicker, and disrupting sensor voltages monitored by the Motronic ECU.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered for high-demand electrical loads, this 250-amp unit features precision-wound, heavy-gauge copper stators and high-temperature avalanche diodes to maximize rectified DC current even in congested engine bays subject to severe heat soak. The casing retains exact factory mounting lugs, belt centerline dimensions, and factory-style plug orientation for seamless installation without custom bracketry. Replaces failure-prone OEM references including \u003cstrong\u003e021-903-025H\u003c\/strong\u003e, \u003cstrong\u003e0-124-315-002\u003c\/strong\u003e, and \u003cstrong\u003eAL0730X\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1x 250-Amp High Output Alternator\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n  \u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; min-width: 300px;\"\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;\"\u003e1998-2005 Volkswagen Beetle\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;\"\u003e2.0L 8V (AEG \/ AVH \/ AZG) \/ A4 (Type 1C\/9C)\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;\"\u003e115 hp \/ 122 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;\"\u003e13850, 13850N, 021-903-025H, 0-124-315-002, AL0730X\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1998-2005 Volkswagen Beetle GL 2.0L\u003c\/li\u003e\n  \u003cli\u003e1998-2005 Volkswagen Beetle GLS 2.0L\u003c\/li\u003e\n  \u003cli\u003e2001-2005 Volkswagen Beetle Sport 2.0L\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the A4 chassis Beetle?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 1998-2005 Volkswagen Beetle equipped with the \u003cstrong\u003e2.0L 8V\u003c\/strong\u003e engine.\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to upgrade my factory wiring harness?\u003c\/h4\u003e\n\u003cp\u003eA 0-gauge or 4-gauge \"Big 3\" charge and ground wire upgrade is recommended to handle full 250-amp flow without thermal bottlenecking in the stock wiring harness.\u003c\/p\u003e\n\n\u003ch3\u003eThe Volkswagen Precision Standard\u003c\/h3\u003e\n\u003cp\u003eEuropean onboard electronics rely on steady voltage rails to prevent false diagnostic trouble codes across CAN-bus modules; this alternator provides stable output to protect sensitive modules without triggering battery charge fault indicators.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67621535940856,"sku":"DS-E4I63A8JX","price":249.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/high-output-alternator-for-volkswagen-beetle-1998-2005-2-0l-1.jpg?v=1791664275","url":"https:\/\/performancechiptuning.com\/fr\/products\/high-output-alternator-for-volkswagen-beetle-1998-2005-2-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}