{"product_id":"modulator-at540-1977-055502","title":"Modulator Allison AT540 \/  542 \/  543 \/  545 \/  1545 77-80 \/  90-94","description":"\u003ch2\u003eModulator for Allison AT540, AT542, AT543, AT545, and AT1545 Transmissions (1977-1980, 1990-1994)\u003c\/h2\u003e\u003cp\u003eRestore proper shift timing and line pressure control with this direct-fit modulator designed for Allison AT540 series automatic transmissions. Manufactured by Alto Products, this modulator is engineered to meet or exceed OEM specifications for reliable performance in medium-duty and heavy-duty applications. It is a practical replacement for worn or failed modulators that cause harsh or delayed shifts.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDirect-fit replacement for Allison AT540, AT542, AT543, AT545, and AT1545 transmissions\u003c\/li\u003e\n\u003cli\u003eManufactured by Alto Products, a trusted name in transmission components\u003c\/li\u003e\n\u003cli\u003eHelps maintain correct line pressure for smooth, consistent shifting\u003c\/li\u003e\n\u003cli\u003eDurable construction designed for long service life in demanding conditions\u003c\/li\u003e\n\u003cli\u003eIdeal for rebuilds, repairs, and preventive maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThis modulator is compatible with Allison AT540, AT542, AT543, AT545, and AT1545 transmissions for model years 1977-1980 and 1990-1994. It fits a variety of vehicle brands that use these Allison transmissions. Please verify your transmission model and year before ordering.\u003c\/p\u003e\u003ch3\u003eWhy Choose This Part?\u003c\/h3\u003e\u003cp\u003eWhen you need a dependable modulator for your Allison transmission, this Alto Products unit offers the quality and fit you expect. Don't let a faulty modulator compromise your vehicle's performance. Order now and get fast shipping from Florida.\u003c\/p\u003e","brand":"ALTO PRODUCTS","offers":[{"title":"Default Title","offer_id":49484811010307,"sku":"055502","price":44.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0833\/0333\/4147\/files\/055502_01.png?v=1792190337","url":"https:\/\/shop.atkits.com\/products\/modulator-at540-1977-055502","provider":"ATK and parts, LLC","version":"1.0","type":"link"}