{"product_id":"high-output-alternator-for-cadillac-cts-2004-2007-2-8l-3-6l","title":"High Output Alternator for Cadillac CTS (2004-2007) 2.8L 3.6L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHigh-Amp Charging Direct-Fit 200A Alternator for 2004-2007 Cadillac CTS (Sigma GMX320)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The 200-amp high output alternator upgrades the electrical charging capacity on the 2004-2007 Cadillac CTS to eliminate idle voltage drop and sustain aftermarket accessories without modifying factory mounting points.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Cadillac CTS Charging Bottleneck\u003c\/h3\u003e\n\u003cp\u003eThe factory 140-amp alternator on the first-generation \u003cstrong\u003eSigma\u003c\/strong\u003e platform struggles to maintain stable system voltage under increased electrical loads. In high-demand scenarios—such as running aftermarket audio amplifiers, auxiliary lighting, or high-draw cooling fans—the OEM unit suffers from severe thermal saturation and excessive voltage ripple. At idle, current delivery drops significantly below 13.5 volts, triggering battery warning lights, flickering instrument clusters, and accelerated battery degradation across both the \u003cstrong\u003eLP1\u003c\/strong\u003e and \u003cstrong\u003eLY7\u003c\/strong\u003e powertrains.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered as a bolt-in replacement, this 200-amp unit features precision heavy-gauge copper stator windings and a dynamically balanced rotor to maximize current density while minimizing internal resistance. Premium sealed bearings withstand prolonged high-RPM operating conditions, while a heavy-duty internal voltage regulator delivers consistent 13.5V to 14.5V output straight across the powerband. Built to match factory bracket geometry, rotor rotation, and OEM plug configurations, it replaces OE numbers \u003cstrong\u003e25756439\u003c\/strong\u003e and \u003cstrong\u003e11044\u003c\/strong\u003e without wiring splices or pulley modifications.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x 200-Amp High Output Alternator with Internal Regulator\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: solid font-size: min-width:\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;\"\u003e2004-2007 Cadillac CTS\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;\"\u003e2.8L LP1, 3.6L LY7 \/ Sigma (GMX320)\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;\"\u003e210-255 hp \/ 194-252 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;\"\u003e11044, 11044N, 25756439, 15445\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\u003e2005-2007 Cadillac CTS 2.8L V6 (LP1)\u003c\/li\u003e\n  \u003cli\u003e2004-2007 Cadillac CTS 3.6L V6 (LY7)\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 Sigma CTS?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2004-2007 Cadillac CTS equipped with the \u003cstrong\u003e2.8L LP1\u003c\/strong\u003e and \u003cstrong\u003e3.6L LY7\u003c\/strong\u003e V6 engines; it does not fit CTS-V V8 models (LS6\/LS2).\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to upgrade my wiring for this 200A unit?\u003c\/h4\u003e\n\u003cp\u003eWhile it plugs directly into the factory harness, upgrading the primary B+ charging lead and ground cables (Big 3 upgrade) is recommended to utilize full 200-amp capacity without resistance.\u003c\/p\u003e\n\n\u003ch3\u003eThe Cadillac Caliber Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered for high-stress luxury-sport applications, this unit provides clean, ripple-free current delivery to maintain sensitive onboard CAN-bus modules and high-demand accessories without warning indicators or voltage sags.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67898678739192,"sku":"DS-E0DEGCLJC","price":337.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/high-output-alternator-for-cadillac-cts-2004-2007-2-8l-3-6l-1.jpg?v=1793325123","url":"https:\/\/performancechiptuning.com\/fr\/products\/high-output-alternator-for-cadillac-cts-2004-2007-2-8l-3-6l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}