{"product_id":"alternator-for-john-deere-3320-3520-3720-tractors-replaces-mia10222","title":"Alternator for John Deere 3320, 3520 \u0026 3720 Tractors - Replaces MIA10222","description":"\u003cdiv style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 1.6; color: #333333; max-width: 900px; margin: 0 auto;\"\u003e\n\u003cdiv style=\"background-color: #2c3e50; color: #ffffff; padding: 40px 20px; text-align: center; border-radius: 6px 6px 0 0;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 28px; color: #ffffff;\"\u003eAlternator for John Deere 3320, 3520 \u0026amp; 3720 Tractors - Replaces MIA10222\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0; font-size: 16px; color: #bdc3c7;\"\u003eFits John Deere 3320, 3520 \u0026amp; 3720 Utility Tractors, All Years\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 25px; border: 1px solid #e0e0e0; border-top: none; background-color: #ffffff;\"\u003e\n\u003cp style=\"margin-top: 0;\"\u003eThis 12-volt, 70-amp alternator is a direct aftermarket replacement for the John Deere 3320, 3520 and 3720 utility tractor range, built to OEM specifications as a like-for-like fit for the original MIA10222 unit. It uses an internally regulated (IR) charging system with an internal fan (IF) design.\u003c\/p\u003e\n\u003cp style=\"margin-top: 0;\"\u003eBuilt as a fit-and-function equivalent to the original equipment, no wiring or bracket modification is required. Note that the rectifier's P-terminal is visible on this unit - the original equipment may have had a small plastic cover fitted over it, which does not affect function.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; margin-top: 20px; gap: 20px;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px;\"\u003e\n\u003ch3 style=\"font-size: 20px; color: #2c3e50; margin-bottom: 10px;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"padding-left: 20px; margin: 0;\"\u003e\n\u003cli\u003e12-Volt, 70-Amp charging output\u003c\/li\u003e\n\u003cli\u003eInternally Regulated (IR), internal fan (IF) design\u003c\/li\u003e\n\u003cli\u003eDirect replacement for OEM MIA10222\u003c\/li\u003e\n\u003cli\u003e1-V pulley, 62.3mm OD\u003c\/li\u003e\n\u003cli\u003e12-month warranty as standard\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px;\"\u003e\n\u003ch3 style=\"font-size: 20px; color: #2c3e50; margin-bottom: 10px;\"\u003eTechnical Specs\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 10px; background-color: #ecf0f1; border: 1px solid #e0e0e0;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"text-align: left; padding: 10px; background-color: #ecf0f1; border: 1px solid #e0e0e0;\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eVoltage\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003e12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eAmperage\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003e70A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eRotation\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eClockwise (CW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eRegulator\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eIR (Internally Regulated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eFan Type\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eIF (Internal Fan)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003ePulley\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003e1-V, 62.3mm OD, Pulley Class V1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eClock Position\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 30px;\"\u003e\n\u003ch3 style=\"font-size: 20px; color: #2c3e50; margin-bottom: 10px;\"\u003eVehicle Fitment Guide\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 10px; background-color: #ecf0f1; border: 1px solid #e0e0e0;\"\u003eMake \u0026amp; Model\u003c\/th\u003e\n\u003cth style=\"text-align: left; padding: 10px; background-color: #ecf0f1; border: 1px solid #e0e0e0;\"\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eJohn Deere 3320 Utility Tractor\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eAll years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eJohn Deere 3520 Utility Tractor\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eAll years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eJohn Deere 3720 Utility Tractor\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eAll years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 30px;\"\u003e\n\u003ch3 style=\"font-size: 20px; color: #2c3e50; margin-bottom: 10px;\"\u003eOEM Part Number Cross Reference\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #7f8c8d; margin-top: 0;\"\u003eAftermarket replacement. OEM part numbers are listed for reference only.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 10px; background-color: #ecf0f1; border: 1px solid #e0e0e0;\"\u003ePart Number\u003c\/th\u003e\n\u003cth style=\"text-align: left; padding: 10px; background-color: #ecf0f1; border: 1px solid #e0e0e0;\"\u003eManufacturer \/ Brand\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eMIA10222\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eJohn Deere (OEM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eV600140, 600140\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eArrowhead \/ Valeo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003e208-5049\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eLester\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eAVA0127\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eJ\u0026amp;N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eA3375\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eValeo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 30px; background-color: #fcfcfc; border: 1px solid #e0e0e0; border-radius: 6px; padding: 20px;\"\u003e\n\u003ch3 style=\"font-size: 20px; color: #2c3e50; margin-bottom: 10px;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4 style=\"font-size: 16px; color: #2c3e50; margin: 15px 0 5px;\"\u003eWill this alternator fit without modification?\u003c\/h4\u003e\n\u003cp style=\"margin: 0;\"\u003eYes. This is a direct fit-and-function replacement for the OEM MIA10222 unit fitted to the John Deere 3320, 3520 and 3720 range, using the same mounting, pulley and electrical connections.\u003c\/p\u003e\n\u003ch4 style=\"font-size: 16px; color: #2c3e50; margin: 15px 0 5px;\"\u003eWhat's included?\u003c\/h4\u003e\n\u003cp style=\"margin: 0;\"\u003eThe alternator unit only. Pulley and bracket are as fitted; existing wiring and drive belt are reused from your original unit.\u003c\/p\u003e\n\u003ch4 style=\"font-size: 16px; color: #2c3e50; margin: 15px 0 5px;\"\u003eHow do I know my alternator has failed?\u003c\/h4\u003e\n\u003cp style=\"margin: 0;\"\u003eCommon signs include a charge\/battery warning light staying on, dimming lights, slow cranking, a flat battery despite normal use, or a whining\/grinding noise from the unit.\u003c\/p\u003e\n\u003ch4 style=\"font-size: 16px; color: #2c3e50; margin: 15px 0 5px;\"\u003eWhy is the rectifier's P-terminal visible on this unit?\u003c\/h4\u003e\n\u003cp style=\"margin: 0;\"\u003eThe original equipment may have fitted a small plastic cover over this terminal. Its absence does not affect the alternator's function or fitment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 30px; text-align: center; font-size: 14px; color: #7f8c8d; border-top: 1px solid #eee; padding-top: 20px;\"\u003eDispatched from the UK · 12-month warranty · Fitment support from our technical team\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Moto-Electrical","offers":[{"title":"Default Title","offer_id":59237152031065,"sku":"400-40050","price":263.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/9268\/8473\/files\/zoom_John_Deere_3320__3520__3720_Alternator_-_AVA0127_1-11644_ef7d6301-25f2-4173-ade8-ed38b26a7827.jpg?v=1788102759","url":"https:\/\/4drive.co.uk\/products\/alternator-for-john-deere-3320-3520-3720-tractors-replaces-mia10222","provider":"4Drive","version":"1.0","type":"link"}