{"product_id":"carbman-voltage-regulator-rectifier-for-kohler-8-24-hp-engines-am106358-15-amp-3-terminal-direct-fit","title":"Carbman Voltage Regulator Rectifier for Kohler 8–24 HP Engines — AM106358, 15 AMP, 3-Terminal Direct Fit","description":"\u003cp\u003e\u003cstrong\u003eThe Carbman AM106358 is a direct-fit voltage regulator rectifier designed to replace Kohler 25-403-37-S and similar models, stabilizing alternator output for 8–24 HP engines with a 15 AMP charging system.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen an aging regulator causes dim lights, battery drain, or erratic charging on lawn tractors and small equipment, swapping in a reliable replacement restores steady electrical performance. The Carbman AM106358 matches the Kohler mounting pattern and three inline terminals to simplify installation on compatible engines. It’s intended for units using a 15 AMP alternator and fits a wide range of Kohler model families.\u003c\/p\u003e\n\n\u003ch3\u003eWill this regulator fit my Kohler engine?\u003c\/h3\u003e\n\u003cp\u003eYes, this unit is built to be compatible with many Kohler engines that use the same regulator footprint and wiring layout. Confirm fit by matching the part numbers, mounting holes, and the three inline terminal connectors on your original regulator.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect replacements: Kohler 25-403-03-S, 25-403-37-S, 41-403-10-S, and related references.\u003c\/li\u003e\n  \u003cli\u003eCompatible engine range: Kohler 8–24 HP models with 15 AMP alternators.\u003c\/li\u003e\n  \u003cli\u003eSupported families: M8–M20, MV16–MV20, CH5, CH6, CH11–CH15, CV11–CV15.\u003c\/li\u003e\n  \u003cli\u003eConnector style: three inline terminals in a single row for direct wiring alignment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this replacement improve electrical reliability?\u003c\/h3\u003e\n\u003cp\u003eBy restoring proper voltage regulation, the Carbman AM106358 prevents overcharging and undercharging that can damage batteries and electronics. A stable regulator keeps lights bright, prevents premature battery failure, and ensures consistent ignition performance under load.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMaintains correct alternator output for a 15 AMP charging circuit.\u003c\/li\u003e\n  \u003cli\u003eProtects battery life by preventing voltage spikes or drops.\u003c\/li\u003e\n  \u003cli\u003eReduces flicker and electrical noise affecting lights and gauges.\u003c\/li\u003e\n  \u003cli\u003eSimple connector layout reduces wiring errors during replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I know about installation and maintenance?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for experienced technicians but the product does not include step-by-step instructions, so professional installation is recommended if you’re not confident with small-engine electrics. Regularly inspect connectors and mounting hardware for corrosion or looseness to keep the charging system functioning reliably.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRecommended: professional installation; no instructions included in package.\u003c\/li\u003e\n  \u003cli\u003eCheck that the three inline terminals align with the engine harness before installing.\u003c\/li\u003e\n  \u003cli\u003eSecure mounting and clean electrical contacts help ensure long service life.\u003c\/li\u003e\n  \u003cli\u003eIf unsure, contact Carbman support — they respond within 24 hours.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich performance specs should I verify before buying?\u003c\/h3\u003e\n\u003cp\u003eConfirm that your engine uses a 15 AMP alternator and that the physical mounting pattern and connector arrangement match your original regulator. Cross-referencing original Kohler part numbers will reduce the chance of purchasing an incompatible unit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOutput rating: 15 AMP alternator compatibility only.\u003c\/li\u003e\n  \u003cli\u003ePhysical match: three-inline terminal layout and Kohler-style mounting holes.\u003c\/li\u003e\n  \u003cli\u003ePart numbers to compare: 25-403-03-S, 25-403-37-S, 41-403-10-S, 25-755-03-S, 4140309S.\u003c\/li\u003e\n  \u003cli\u003eEngine families: M, MV, CH, and CV series listed above.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The Carbman AM106358 is aimed at owners, mechanics, and fleet managers of small outdoor power equipment using Kohler 8–24 HP engines who need a dependable, OEM-style regulator replacement. If your machine shows charging problems, dim lighting, or a weak battery and it matches the listed part numbers and terminal layout, this unit offers a cost-effective path to restoring stable electrical performance. For buyers unfamiliar with electrical repairs, professional installation is advised to ensure correct wiring and secure mounting.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the AM106358 compatible with Kohler 25-403-03-S?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it is designed as a compatible replacement for Kohler 25-403-03-S and similar part numbers with three inline terminals.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I install this regulator myself?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Installation is possible for experienced technicians, but professional installation is recommended; the product does not include instructions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Carbman","offers":[{"title":"Default Title","offer_id":48082901401758,"sku":"B0B1ZK1KTZ","price":52.85,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/carbman-am106358-front-view.jpg?v=1785818944","url":"https:\/\/northtrailauto.ca\/products\/carbman-voltage-regulator-rectifier-for-kohler-8-24-hp-engines-am106358-15-amp-3-terminal-direct-fit","provider":"North Trail Auto","version":"1.0","type":"link"}