{"product_id":"high-output-alternator-for-chevrolet-corvette-1987-1991-5-7l","title":"High Output Alternator for Chevrolet Corvette (1987-1991) 5.7L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHigh-Amp 200A Output Alternator for 1987-1991 Chevrolet Corvette (C4)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The 200 Amp High Output Alternator supplies stable electrical current to the 1987-1991 Corvette to eliminate voltage drop caused by modern electronics, electric cooling fans, and high-draw accessories.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Chevrolet Corvette Charging Limitations\u003c\/h3\u003e\n\u003cp\u003eFactory \u003cstrong\u003eC4\u003c\/strong\u003e Corvettes equipped with the \u003cstrong\u003eL98\u003c\/strong\u003e were originally built with Delco CS130-series units rated for roughly 100 to 105 amps. In the tight, heat-intensive engine bay of the 1987-1991 Corvette, these OEM units suffer severe thermal breakdown. Elevated ambient temperatures degrade the internal diode trio, fry the stator windings, and cause catastrophic bearing seizure. When running modern upgrades like upgraded auxiliary electric fans, aftermarket digital dashes, or high-draw sound systems, the factory alternator fails to deliver sufficient charging voltage at idle, plunging system pressure below 12.4V and causing ignition misfires and erratic ECM sensor readings.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered and assembled in the USA, this heavy-duty 200-amp unit addresses thermal failure with heavy-gauge pure copper windings, a reinforced low-loss stator, and a high-efficiency internal avalanche diode rectifier capable of handling high continuous thermal loads. The housing provides superior convective cooling to protect sensitive internal regulators against premature heat soak. It provides immediate electrical headroom, producing reliable charging voltage both at idle and under high RPM, directly matching the factory serpentine bracket architecture for seamless mounting.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x 200 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;\"\u003e1987-1991 Chevrolet Corvette\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;\"\u003e\n\u003cstrong\u003eL98 5.7L TPI\u003c\/strong\u003e \/ \u003cstrong\u003eC4\u003c\/strong\u003e\n\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;\"\u003e240-250 hp \/ 345 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;\"\u003e\n\u003cstrong\u003e1101601\u003c\/strong\u003e, \u003cstrong\u003e1101843\u003c\/strong\u003e, \u003cstrong\u003e321-388\u003c\/strong\u003e, \u003cstrong\u003e321-465\u003c\/strong\u003e, \u003cstrong\u003e321-236\u003c\/strong\u003e, \u003cstrong\u003e7888-11\u003c\/strong\u003e, \u003cstrong\u003eAL675X\u003c\/strong\u003e, \u003cstrong\u003e10463097\u003c\/strong\u003e, \u003cstrong\u003e10463173\u003c\/strong\u003e, \u003cstrong\u003e110126\u003c\/strong\u003e, \u003cstrong\u003e7888-11N-200A\u003c\/strong\u003e\n\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\u003e1987 Chevrolet Corvette Base 5.7L V8\u003c\/li\u003e\n  \u003cli\u003e1988 Chevrolet Corvette Base \/ 35th Anniversary Edition 5.7L V8\u003c\/li\u003e\n  \u003cli\u003e1989 Chevrolet Corvette Base 5.7L V8\u003c\/li\u003e\n  \u003cli\u003e1990 Chevrolet Corvette Base 5.7L V8\u003c\/li\u003e\n  \u003cli\u003e1991 Chevrolet Corvette Base 5.7L V8\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 C4 Corvette?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct bolt-on fit for the 1987-1991 Chevrolet Corvette equipped with the \u003cstrong\u003eL98\u003c\/strong\u003e 5.7L small block engine; it does not fit overhead-cam LT5 (ZR-1) models.\u003c\/p\u003e\n\n\u003ch4\u003eShould I upgrade the main charging wire with a 200A alternator?\u003c\/h4\u003e\n\u003cp\u003eYes, running an upgraded 4-gauge or 2-gauge fused power cable from the alternator positive post directly to the battery is strongly recommended to safely carry the increased amperage.\u003c\/p\u003e\n\n\u003ch3\u003eThe Chevrolet Muscle Caliber\u003c\/h3\u003e\n\u003cp\u003eSustain peak ignition performance, reliable fuel delivery, and uncompromised spark energy throughout the entire rev band on your classic American small block.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67566399717624,"sku":"DS-EZL4XVCYT","price":256.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/high-output-alternator-for-chevrolet-corvette-1987-1991-5-7l-1.jpg?v=1791088438","url":"https:\/\/performancechiptuning.com\/fr\/products\/high-output-alternator-for-chevrolet-corvette-1987-1991-5-7l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}