{"product_id":"ztuoauma-12v-20a-permanent-magnet-alternator-for-john-deere-mowers-am877557-fit-er-regulated","title":"ZTUOAUMA 12V 20A Permanent Magnet Alternator for John Deere Mowers – AM877557 Fit, ER Regulated","description":"\u003cp\u003e\u003cstrong\u003eThe ZTUOAUMA 12V 20A permanent magnet alternator is a direct-fit replacement designed to restore charging performance on select John Deere mowers, Kawasaki 18HP engines, and Yanmar 3TNE68-powered mini excavators.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis heavy-duty PM alternator is engineered to match the electrical output and mounting pattern of several OEM part numbers so you can swap it in with minimal modification. It delivers a regulated 12V, 20A output using an internal ER regulator and is intended for application on multiple John Deere tractor and lawn-mower platforms as well as compatible small engines. The unit comes with a warranty policy that supports returns within six months and free exchanges within one year.\u003c\/p\u003e\n\n\u003ch3\u003eWill this alternator fit my John Deere mower or tractor?\u003c\/h3\u003e\n\u003cp\u003eCompatibility covers a range of John Deere walk-behind mowers and tractor models noted for using similar alternator arrangements. Confirm fit by checking your current part number or the mounting and connector type against the alternator’s specifications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eListed John Deere models: F912, F915, 2243, 790, 990, 322, 330, 332, X595, X740, X744\u003c\/li\u003e\n  \u003cli\u003eReplaces common OEM numbers such as AM877557, MIA10338, AM879144, CH15587\u003c\/li\u003e\n  \u003cli\u003eMatches mounting pattern and 12V electrical system for plug-and-play swaps in many cases\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the ZTUOAUMA alternator perform with Kawasaki and Yanmar engines?\u003c\/h3\u003e\n\u003cp\u003eThis alternator is compatible with all Kawasaki 18HP gasoline engines and select Yanmar 3TNE68 engines used in compact equipment. It supplies stable charging while the engine runs, suitable for battery maintenance and powering electrical systems used in mowers and mini excavators.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorks with Kawasaki 18HP engine families commonly found on commercial-grade mowers\u003c\/li\u003e\n  \u003cli\u003eCompatible with Yanmar 3TNE68 engines in small excavators (B14, B15, B15-3)\u003c\/li\u003e\n  \u003cli\u003ePermanent magnet design provides consistent output without external excitation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the technical specifications and replaceable part numbers?\u003c\/h3\u003e\n\u003cp\u003eThe unit is a permanent magnet (PM) alternator rated at 12 volts and 20 amps with an ER regulator. It is intended to substitute numerous OEM part numbers and offers a practical option for refurbishment or repair.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eType: Permanent Magnet (PM) alternator\u003c\/li\u003e\n  \u003cli\u003eVoltage\/Current: 12V \/ 20A with ER regulator\u003c\/li\u003e\n  \u003cli\u003eReplaceable part numbers: 02D12915, APM0010, 1400-0533, 400-58005, AM877557, AM879144, MIA10338, SE501822 and others\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect for warranty and returns?\u003c\/h3\u003e\n\u003cp\u003eZTUOAUMA supports product reliability with a clear return and exchange policy to reduce risk when replacing core electrical components. Review the terms before installation to ensure coverage aligns with your needs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReturnable within 6 months for defects or compatibility issues\u003c\/li\u003e\n  \u003cli\u003eFree exchange available for 1 year under specified conditions\u003c\/li\u003e\n  \u003cli\u003eKeep purchase proof and photos for faster claims processing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This alternator is aimed at DIY mechanics, small fleet owners, landscapers, and equipment repair shops who need a dependable replacement for worn or failed alternators on select John Deere mowers, Kawasaki 18HP engine platforms, and Yanmar 3TNE68 mini excavators. It suits anyone seeking a cost-effective, direct-replacement alternator that matches multiple OEM part numbers and delivers a regulated 12V\/20A output for routine charging and accessory power needs.\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: Does this alternator replace AM877557?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the ZTUOAUMA unit lists AM877557 among compatible replaceable part numbers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What voltage and current does it provide?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It outputs 12 volts at up to 20 amps with an internal ER regulator.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ZTUOAUMA","offers":[{"title":"Default Title","offer_id":48083966754974,"sku":"B07S8NBNCP","price":102.5,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ztuo-auma-front-view-alternator.jpg?v=1785841488","url":"https:\/\/northtrailauto.ca\/products\/ztuoauma-12v-20a-permanent-magnet-alternator-for-john-deere-mowers-am877557-fit-er-regulated","provider":"North Trail Auto","version":"1.0","type":"link"}