{"product_id":"high-output-alternator-for-oldsmobile-bravada-2002-2004-4-2l","title":"High Output Alternator for Oldsmobile Bravada (2002-2004) 4.2L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHigh-Amperage 250A Direct-Fit Alternator for 2002-2004 Oldsmobile Bravada (GMT360)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The 250 Amp High Output Alternator upgrades the factory charging system on the 2002-2004 Oldsmobile Bravada to eliminate voltage drop and deliver consistent current under heavy electrical loads.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Oldsmobile Bravada Charging Bottleneck\u003c\/h3\u003e\n\u003cp\u003eThe factory charging system on the \u003cstrong\u003eGMT360\u003c\/strong\u003e platform relies on a standard Delphi AD244 or CS130D series unit rated around 100 to 150 amps. When running auxiliary lighting, aftermarket audio amplifiers, or towing accessories, the stock stator windings overheat and experience severe thermal degradation. At idle, the factory unit fails to maintain system voltage above battery resting threshold, leading to dimming headlamps, ECM voltage fluctuation, and premature battery degradation under sustained amp draw.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eAssembled in the USA, this 250-amp heavy-duty charging unit features high-temperature copper windings and a heavy-duty rectifier assembly equipped with high-amp press-fit diodes for maximum heat dissipation. The unit delivers over 150 amps at engine idle speeds, maintaining a stable 14.4-volt charging profile across the entire RPM range of the \u003cstrong\u003eAtlas LL8\u003c\/strong\u003e engine. High-grade bearings resist radial load fatigue from the serpentine drive belt, resolving voltage sag without requiring chassis modifications.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 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;\"\u003e2002-2004 Oldsmobile Bravada\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;\"\u003e4.2L Atlas LL8 (Vortec 4200) \/ GMT360\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;\"\u003e270-275 hp \/ 275 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;\"\u003e321-1828, 334-2527, 8290, 8290n, 8104644680, 10464468, 15062413, 8290-250A\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\u003e2002 Oldsmobile Bravada Base 4.2L L6\u003c\/li\u003e\n  \u003cli\u003e2003 Oldsmobile Bravada Base 4.2L L6\u003c\/li\u003e\n  \u003cli\u003e2004 Oldsmobile Bravada Base 4.2L L6\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 GMT360 Bravada?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct bolt-on fit for the 2002-2004 Oldsmobile Bravada equipped with the \u003cstrong\u003eAtlas LL8\u003c\/strong\u003e 4.2L inline-6 engine.\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to upgrade my main power wiring?\u003c\/h4\u003e\n\u003cp\u003eA \"Big 3\" wiring upgrade with 1\/0 AWG charging cable and auxiliary ground is strongly recommended to handle 250 amps safely and prevent line resistance drops.\u003c\/p\u003e\n\n\u003ch3\u003eThe Oldsmobile Truck Durability Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered for the demands of full-frame sport utility towing and continuous accessory draw, this unit supplies stable reserve capacity to preserve critical onboard electronics and harness integrity under sustained load.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67565810581752,"sku":"DS-E732ZSZZF","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-oldsmobile-bravada-2002-2004-4-2l-1.jpg?v=1791075412","url":"https:\/\/performancechiptuning.com\/de\/products\/high-output-alternator-for-oldsmobile-bravada-2002-2004-4-2l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}