{"product_id":"oem-alternator-voltage-regulator-d907","title":"OEM Delco Voltage Regulator D907","description":"\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eMFR: DELCO\u003c\/li\u003e\n  \u003cli\u003eFEATURE 1: 100% New\u003c\/li\u003e\n  \u003cli\u003eFEATURE 2: Stator activated\u003c\/li\u003e\n  \u003cli\u003eFEATURE 3: Full short circuit protection\u003c\/li\u003e\n  \u003cli\u003eSPECS FOR: Delco 22SI Series Oval Plug IR\/EF Alternators\u003c\/li\u003e\n  \u003cli\u003eSPECS: 12 Volt, B-Circuit, S-F-L-P Terminals, 14.0 Vset\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eUsed On\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eChevrolet (1998-2009)\u003c\/li\u003e\n  \u003cli\u003eGMC (1998-2009)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eReplaces\u003c\/h2\u003e\n\n\u003cp\u003e\n  \u003cstrong\u003eDelco:\u003c\/strong\u003e 03A31A, 19020407, 407\n\u003c\/p\u003e\n\n\u003ch2\u003eLester Numbers\u003c\/h2\u003e\n\n\u003cp\u003e8363, 8364, 8369, 8570, 8572\u003c\/p\u003e\n\n\u003ch2\u003eUnit Numbers\u003c\/h2\u003e\n\n\u003cp\u003e\n  \u003cstrong\u003eDelco:\u003c\/strong\u003e 10459481, 10459482, 10459483, 10459596, 15095471, 15098392, 15100053, 15178637, 15183649, 15183650, 15183651, 15188853, 15188854, 19020378, 19020384, 19020385, 19020393, 19020394, 19020810, 19020811, 19020812, 19020813, 19020816, 19020817, 19020818, 8600112\u003cbr\u003e\n  \u003cstrong\u003eGM:\u003c\/strong\u003e 19116396\n\u003c\/p\u003e\n\n\u003ch2\u003eVehicle Application\u003c\/h2\u003e\n\n\u003cp\u003e\n  \u003cstrong\u003eChevrolet\u003c\/strong\u003e\u003cbr\u003e\n  C4500 Kodiak Caterpillar C7 2003–2005\u003cbr\u003e\n  C5500 Kodiak Caterpillar C7 2003–2005\u003cbr\u003e\n  C60 Caterpillar 3126 2003\u003cbr\u003e\n  C60 \"DD 8.2L (N ,T) Dsl.\" 2004\u003cbr\u003e\n  C60 DD 8.2L (N ,T) Dsl. 2004\u003cbr\u003e\n  C6500 Kodiak L6 7.2L 441cid 2003–2005\u003cbr\u003e\n  C6500 Kodiak L6 7.8L 475cid 2003–2005\u003cbr\u003e\n  C6500 Kodiak L6 7.8L 475cid Isuzu 6HK1-TC 2003–2008\u003cbr\u003e\n  C6500 Kodiak L6 7.8L 475cid Isuzu 6HK1-TC 2003–2009\u003cbr\u003e\n  C6D \"DD 8.2L (N ,T) Dsl.\" 2004\u003cbr\u003e\n  C6D DD 8.2L (N ,T) Dsl. 2004\u003cbr\u003e\n  C70 Caterpillar 3126 2003\u003cbr\u003e\n  C70 \"DD 8.2L (N ,T) Dsl.\" 2004\u003cbr\u003e\n  C70 DD 8.2L (N ,T) Dsl. 2004\u003cbr\u003e\n  C7500 Kodiak L6 7.2L 441cid 2003–2005\u003cbr\u003e\n  C7500 Kodiak L6 7.8L 475cid 2003–2005\u003cbr\u003e\n  C7500 Kodiak L6 7.8L 475cid Isuzu 6HK1-TC 2003–2008\u003cbr\u003e\n  C7500 Kodiak L6 7.8L 475cid Isuzu 6HK1-TC 2003–2009\u003cbr\u003e\n  C8500 L6 7.8L 475cid Isuzu 6HK1-TC 2003–2008\u003cbr\u003e\n  C8500 L6 7.8L 475cid Isuzu 6HK1-TC 2003–2009\u003cbr\u003e\n  Kodiak C8500 Caterpillar C-7 2003–2005\u003cbr\u003e\n  Kodiak C8500 GM 7.8L(476) Dsl 2003–2005\u003cbr\u003e\n  T6500 GM 7.8L(476) Dsl 1998\u003cbr\u003e\n  T6500 L6 7.8L 475cid 1999–2002\u003cbr\u003e\n  T6500 L6 7.8L 475cid Isuzu 6HK1-TC 1999–2002\u003cbr\u003e\n  T6500 6 Cyl. 7.8L 475cid 2003\u003cbr\u003e\n  T6500 L6 7.8L 475cid Isuzu 6HK1-TC 2004–2008\u003cbr\u003e\n  T6500 L6 7.8L 475cid 2004–2009\u003cbr\u003e\n  T6500 L6 7.8L 475cid Isuzu 6HK1-TC 2004–2009\u003cbr\u003e\n  T7500 GM 7.8L(476) Dsl 1998\u003cbr\u003e\n  T7500 L6 7.8L 475cid 1999–2002\u003cbr\u003e\n  T7500 L6 7.8L 475cid Isuzu 6HK1-TC 1999–2002\u003cbr\u003e\n  T7500 6 Cyl. 7.8L 475cid 2003\u003cbr\u003e\n  T7500 L6 7.8L 475cid Isuzu 6HK1-TC 2004–2008\u003cbr\u003e\n  T7500 L6 7.8L 475cid 2004–2009\u003cbr\u003e\n  T7500 L6 7.8L 475cid Isuzu 6HK1-TC 2004–2009\u003cbr\u003e\n  T8500 Series 1998\u003cbr\u003e\n  T8500 Series GM 7.8L(476) Dsl 1999–2003\u003cbr\u003e\n  T8500 L6 7.8L 475cid Isuzu 6HK1-TC 2004–2008\u003cbr\u003e\n  T8500 L6 7.8L 475cid 2004–2009\u003cbr\u003e\n  T8500 L6 7.8L 475cid Isuzu 6HK1-TC 2004–2009\u003cbr\u003e\n  W5500 Tiltmaster L6 7.8L 475cid Isuzu 6HK1-TC 2000–2004\n\u003c\/p\u003e\n\n\u003cp\u003e\n  \u003cstrong\u003eGMC\u003c\/strong\u003e\u003cbr\u003e\n  C4500 Topkick Caterpillar C-7 2003–2005\u003cbr\u003e\n  C4500 Topkick Caterpillar C7 2003–2005\u003cbr\u003e\n  C5500 Topkick Caterpillar C-7 2003–2005\u003cbr\u003e\n  C5500 Topkick Caterpillar C7 2003–2005\u003cbr\u003e\n  C6000 Caterpillar 3126 2003\u003cbr\u003e\n  C6000 \"DD 8.2L (N ,T) Dsl.\" 2004\u003cbr\u003e\n  C6000 DD 8.2L (N ,T) Dsl. 2004\u003cbr\u003e\n  C6500 Topkick L6 7.2L 441cid 2003–2005\u003cbr\u003e\n  C6500 Topkick L6 7.8L 475cid 2003–2005\u003cbr\u003e\n  C6500 Topkick L6 7.8L 475cid Isuzu 6HK1-TC 2003–2009\u003cbr\u003e\n  C6D \"DD 8.2L (N ,T) Dsl.\" 2004\u003cbr\u003e\n  C6D DD 8.2L (N ,T) Dsl. 2004\u003cbr\u003e\n  C7000 Caterpillar 3126 2003\u003cbr\u003e\n  C7000 \"DD 8.2L (N ,T) Dsl.\" 2004\u003cbr\u003e\n  C7000 DD 8.2L (N ,T) Dsl. 2004\u003cbr\u003e\n  C7500 Topkick L6 7.2L 441cid 2003–2005\u003cbr\u003e\n  C7500 Topkick L6 7.8L 475cid 2003–2005\u003cbr\u003e\n  C7500 Topkick L6 7.8L 475cid Isuzu 6HK1-TC 2003–2009\u003cbr\u003e\n  C8500 Topkick L6 7.8L 475cid Isuzu 6HK1-TC 2003–2009\u003cbr\u003e\n  T6500 GM 7.8L(476) Dsl 1998\u003cbr\u003e\n  T6500 L6 7.8L 475cid 1999–2002\u003cbr\u003e\n  T6500 L6 7.8L 475cid Isuzu 6HK1-TC 2003–2009\u003cbr\u003e\n  T6500 6 Cyl. 7.8L 475cid 2003\u003cbr\u003e\n  T6500 L6 7.8L 475cid 2004–2009\u003cbr\u003e\n  T7500 GM 7.8L(476) Dsl 1998\u003cbr\u003e\n  T7500 L6 7.8L 475cid 1999–2002\u003cbr\u003e\n  T7500 L6 7.8L 475cid Isuzu 6HK1-TC 2003–2009\u003cbr\u003e\n  T7500 6 Cyl. 7.8L 475cid 2003\u003cbr\u003e\n  T7500 L6 7.8L 475cid 2004–2009\u003cbr\u003e\n  T8500 GM 7.8L(476) Dsl 1998–2009\u003cbr\u003e\n  Topkick C8500 Caterpillar C-7 2003–2005\u003cbr\u003e\n  Topkick C8500 Caterpillar C7 2003–2005\u003cbr\u003e\n  Topkick C8500 GM 7.8L(476) Dsl 2003–2005\u003cbr\u003e\n  W5500 Forward L6 7.8L 475cid Isuzu 6HK1-TC 2000–2004\n\u003c\/p\u003e\n\n\u003cp\u003e\n  \u003cstrong\u003eIsuzu\u003c\/strong\u003e\u003cbr\u003e\n  FTR L6 7.8L 475cid Isuzu 6HK1 2003–2008\u003cbr\u003e\n  FTR L6 7.8L 475cid Isuzu 6HK1 2003–2011\u003cbr\u003e\n  FVR L6 7.8L 475cid Isuzu 6HK1 2003–2008\u003cbr\u003e\n  FVR L6 7.8L 475cid Isuzu 6HK1 2003–2011\u003cbr\u003e\n  FXR L6 7.8L 475cid Isuzu 6HK1 2004–2008\u003cbr\u003e\n  FXR L6 7.8L 475cid Isuzu 6HK1 2004–2011\u003cbr\u003e\n  HTR L6 7.8L 475cid Isuzu 6HK1 2005–2008\u003cbr\u003e\n  HVR L6 7.8L 475cid Isuzu 6HK1 2005–2008\u003cbr\u003e\n  HXR L6 7.8L 475cid Isuzu 6HK1 2006\n\u003c\/p\u003e\n\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eGenuine OEM replacement part\u003c\/li\u003e\n  \u003cli\u003eManufactured to original factory specifications\u003c\/li\u003e\n  \u003cli\u003eRegulates alternator output voltage\u003c\/li\u003e\n  \u003cli\u003eHelps maintain proper battery charging\u003c\/li\u003e\n  \u003cli\u003eSupports stable charging system performance\u003c\/li\u003e\n  \u003cli\u003eOriginal fit, function, and electrical characteristics\u003c\/li\u003e\n  \u003cli\u003eIdeal for alternator rebuilding and repair\u003c\/li\u003e\n  \u003cli\u003eEngineered for long-term reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat Does a Voltage Regulator Do?\u003c\/h2\u003e\n\n\u003cp\u003eThe voltage regulator controls the alternator's output by regulating current supplied to the rotor field winding. As electrical demand changes, the regulator continuously adjusts field current to maintain the proper charging voltage for the battery and the vehicle's electrical system.\u003c\/p\u003e\n\n\u003cp\u003eA properly functioning voltage regulator helps prevent battery overcharging and undercharging while protecting sensitive electrical components from excessive voltage. Because charging system performance depends on the interaction between the regulator, rotor, stator, rectifier, and battery, replacing a faulty regulator is an important step in restoring alternator performance.\u003c\/p\u003e\n\n\u003ch2\u003eCommon Signs Replacement Is Needed\u003c\/h2\u003e\n\n\u003cp\u003eReplace the voltage regulator if you notice:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eBattery overcharging\u003c\/li\u003e\n  \u003cli\u003eBattery not charging\u003c\/li\u003e\n  \u003cli\u003eLow charging voltage\u003c\/li\u003e\n  \u003cli\u003eHigh charging voltage\u003c\/li\u003e\n  \u003cli\u003eBattery warning light illuminated\u003c\/li\u003e\n  \u003cli\u003eIntermittent charging problems\u003c\/li\u003e\n  \u003cli\u003eHeadlights that brighten or dim with engine speed\u003c\/li\u003e\n  \u003cli\u003eCharging system failure during testing\u003c\/li\u003e\n  \u003cli\u003eVoltage regulator failure discovered during alternator rebuilding\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Recommendations\u003c\/h2\u003e\n\n\u003cp\u003eInstallation should be performed by a qualified technician or experienced alternator rebuilder. Before installing the new regulator, inspect the brushes, brush holder, slip rings, rotor, stator, rectifier, wiring, and electrical connections for signs of wear or damage.\u003c\/p\u003e\n\n\u003cp\u003eAlways verify connector configuration and mounting style before installation. After assembly, bench-test the alternator to confirm proper charging voltage and overall charging system performance.\u003c\/p\u003e\n\n\u003ch2\u003eWhile You're Rebuilding\u003c\/h2\u003e\n\n\u003cp\u003eInspect other common wear components to help maximize charging system reliability:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/rcautoelectric.com\/collections\/alternator-parts?filter.p.product_type=Bearing\u0026amp;sort_by=best-selling\"\u003eBearings\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/rcautoelectric.com\/collections\/alternator-parts?filter.p.product_type=Brushes\u0026amp;sort_by=best-selling\"\u003eBrushes\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/rcautoelectric.com\/collections\/alternator-parts?filter.p.product_type=Brush+Holder\u0026amp;sort_by=best-selling\"\u003eBrush Holder\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/rcautoelectric.com\/collections\/alternator-parts?filter.p.product_type=Slip+Ring\u0026amp;sort_by=best-selling\"\u003eSlip Rings\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/rcautoelectric.com\/collections\/alternator-parts?filter.p.product_type=Rectifier\u0026amp;sort_by=best-selling\"\u003eRectifier\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/rcautoelectric.com\/collections\/alternator-parts?filter.p.product_type=Diode\u0026amp;sort_by=best-selling\"\u003eDiodes\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/rcautoelectric.com\/collections\/alternator-parts?filter.p.product_type=Rotor\u0026amp;sort_by=best-selling\"\u003eRotor\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/rcautoelectric.com\/collections\/alternator-parts?filter.p.product_type=Clutch+Pulley\u0026amp;sort_by=best-selling\"\u003eClutch Pulley\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/rcautoelectric.com\/collections\/alternator-parts?filter.p.product_type=Insulator\u0026amp;sort_by=best-selling\"\u003eInsulators\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Buy From RC Auto Electric?\u003c\/h2\u003e\n\n\u003cp\u003eRC Auto Electric specializes in genuine OEM and premium aftermarket alternator and starter rebuilding components for professional rebuilders, repair shops, automotive technicians, and DIY enthusiasts. Our extensive catalog includes thousands of electrical components backed by accurate cross-reference information to help simplify part identification and reduce ordering mistakes.\u003c\/p\u003e\n\n\u003ch2\u003eDisclaimer\u003c\/h2\u003e\n\n\u003cp\u003eCompatibility information is provided as a reference only. Manufacturing revisions, production changes, and previous rebuilding modifications may affect internal alternator components. Always compare the original OEM part number, connector configuration, mounting style, voltage specifications, cross-reference numbers, and product photographs before installation. If you are unsure about compatibility, contact RC Auto Electric before ordering.\u003c\/p\u003e","brand":"Delco","offers":[{"title":"Default Title","offer_id":47228494512382,"sku":"D907OEM","price":140.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/4432\/3582\/files\/d907.jpg?v=1715751971","url":"https:\/\/rcautoelectric.com\/products\/oem-alternator-voltage-regulator-d907","provider":"RC Auto Electric Parts","version":"1.0","type":"link"}