{"product_id":"high-output-alternator-for-honda-civic-2001-2005-1-7l","title":"High Output Alternator for Honda Civic (2001-2005) 1.7L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHigh-Output 140A Alternator for 2001-2005 Honda Civic (EM2\/ES1)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The High-Output 140A Alternator replaces the low-output factory charging unit on the 2001-2005 Civic to provide stable, elevated amperage across the RPM band and eliminate voltage drop under heavy electrical loads.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Honda Civic Electrical Deficit\u003c\/h3\u003e\n\u003cp\u003eFactory 7th-generation \u003cstrong\u003eEM2\u003c\/strong\u003e and \u003cstrong\u003eES1\u003c\/strong\u003e platforms rely on an undersized 70-amp charging unit that struggles under modern electrical demands. When aftermarket audio equipment, high-draw cooling fans, or auxiliary electronics run simultaneously, the OEM charging system drops below the threshold needed to maintain 14.4 volts. This leads to severe diode pack thermal fatigue, premature battery degradation, voltage drops at idle, and ECU brownouts caused by fluctuating field coil current.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered to handle elevated continuous draw, this direct-fit 140-amp alternator features heavy-gauge copper stator windings, precision-balanced rotors, and heavy-duty avalanche diodes that withstand severe thermal cycling. Assembled in the USA, it delivers substantial current at low engine speeds while maintaining OEM harness compatibility. It drops directly onto the \u003cstrong\u003eD17A1\u003c\/strong\u003e and \u003cstrong\u003eD17A2\u003c\/strong\u003e mounting brackets, directly replacing OEM units like \u003cstrong\u003e31100PLMA01\u003c\/strong\u003e and \u003cstrong\u003eAHGA50\u003c\/strong\u003e with zero wiring harness modification required.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 140-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;\"\u003e2001-2005 Honda Civic\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;\"\u003eD17 1.7L \/ EM2, ES1\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;\"\u003e115-127 hp \/ 110-114 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;\"\u003eAHGA50, A5TA7091, 13893n, AL1295X, 13893, 210-4148, 31100PLMA01, 31100PLMA02, 13893-140A\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\u003e2001-2005 Honda Civic DX 1.7L (D17A1)\u003c\/li\u003e\n  \u003cli\u003e2001-2005 Honda Civic LX 1.7L (D17A1)\u003c\/li\u003e\n  \u003cli\u003e2001-2005 Honda Civic EX 1.7L (D17A2)\u003c\/li\u003e\n  \u003cli\u003e2001-2005 Honda Civic HX 1.7L (D17A6)\u003c\/li\u003e\n  \u003cli\u003e2004-2005 Honda Civic Value Package 1.7L (D17A1)\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 EM2\/ES1 Civic?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2001-2005 Honda Civic equipped with the \u003cstrong\u003eD17\u003c\/strong\u003e 1.7L engine. \u003cstrong\u003eDoes not fit 2.0L Si (EP3) or 1.3L Hybrid (ES9) models.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to upgrade my main charging wire with this unit?\u003c\/h4\u003e\n\u003cp\u003eWhile direct bolt-on installation works with the factory harness, upgrading to 4-gauge or 0-gauge power and ground cabling (Big 3 upgrade) is strongly recommended to safely carry the full 140-amp capacity without voltage loss.\u003c\/p\u003e\n\n\u003ch3\u003eThe Honda Tuning Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered for high-revving JDM platforms, this alternator guarantees reliable system voltage and crisp spark delivery across the entire tachometer sweep.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67565771686136,"sku":"DS-EWLM71AFT","price":236.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/high-output-alternator-for-honda-civic-2001-2005-1-7l-1.jpg?v=1791074503","url":"https:\/\/performancechiptuning.com\/products\/high-output-alternator-for-honda-civic-2001-2005-1-7l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}