{"title":"Mufflers","description":"\u003cp\u003eThe muffler (and resonator) reduces exhaust noise; a rusted-through or blown muffler gets loud and can fail noise regulations. Van Horn Truck Parts carries mufflers and resonators cross-referenced to Nelson, Donaldson, and Automann part numbers.\u003c\/p\u003e\u003cp\u003eMatch by inlet and outlet diameters and orientation, body diameter and length, and mounting.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMechanic \u0026amp; Fitment Specs:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMatch by: Inlet\/outlet diameter \u0026amp; orientation, body size, mounting\u003c\/li\u003e\n\u003cli\u003eCross-references: Nelson, Donaldson, Automann\u003c\/li\u003e\n\u003cli\u003eBuying tip: Match inlet\/outlet orientation, not just diameters\u003c\/li\u003e\n\u003c\/ul\u003e","products":[{"product_id":"ih-offset-oval-muffler-m-512","title":"3.5\" Inlet 4\" Outlet Offset Oval 11 X 8 Muffler 562.U6354825115","description":"\u003cp\u003eIH Offset Oval Muffler\u003cbr\u003e3-1\/2\" ID Inlet, 4\" ID Outlet, 12 Inlet Position, 6 Outlet Position, 8-1\/4 X 11-1\/2 Diameter. 30\" Shell, 36\" Overall Length. Same As Automann 562.U6354825115, Walker 22551, Dayton W22551, Stemco 190-9532, Stemco 190-9553, Navistar 2018471C1, Nelson 86536M, Nelson 86631M, Donaldson M090210, Donaldson M090520, Donaldson M090680, Grandrock M-512, Truckex 3716, International \u003cspan\u003e1647998C1, International 2018471C1, Mack 89Q350106\u003c\/span\u003e.\u003c\/p\u003e","brand":"AUTOMANN","offers":[{"title":"Default Title","offer_id":45968909238582,"sku":"562.U6354825115","price":331.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/4605\/1126\/files\/m-512.png?v=1741983088"},{"product_id":"4-id-inlet-outlet-muffler-9-m-131","title":"4\" ID Inlet Outlet Muffler 9\" X 44.50\" 562.U6409P","description":"\u003cp\u003e4\" ID Inlet Outlet Muffler 9\"\u003cbr\u003e9\" Diameter X 44.5\" Long Shell. 51\" Overall. 4\" ID Inlet, 4\" ID Outlet Centered. Same As Automann 562.U6409P, Walker 22936, Donaldson M090544, Nelson 86131M, Paccar M10108, Paccar M10713, Paccar M8611, Paccar M86630, Bulldog 583986131M, Dynaflex 87Q400131, ECS D132003, Riker M4090, Riker S90916, Nelson 86131M, Volvo 3946779, Auto Jet TC400400, School Bus TAC400BB, Volvo 3946779, Volvo NFM86131M, Power Products M4490, Eagle E102, HD MFG 31020, Truckex 3666, Truckex 3891, Stemco 190-1358, Nelson 86713M, Grand Rock M-131, Grand Rock M131, 3946779, 87Q400131.\u003c\/p\u003e","brand":"AUTOMANN","offers":[{"title":"Default Title","offer_id":45971885392182,"sku":"562.U6409P","price":208.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/4605\/1126\/files\/562.u6409.png?v=1741885572"},{"product_id":"4-id-inlet-outlet-muffler-10-m-444","title":"4\" ID Inlet Outlet Muffler 10\" X 44\" 562.U6410","description":"\u003cp\u003e4\" ID Inlet Outlet Muffler 10\"\u003cbr\u003eInlet Outlet Centered. 10\" Diameter X 44.5\" Shell. 51\" Overall. Same As Automann 562.U6410, Dayton W22916, Walker 22916, Donaldson M100466, Nelson 86544M, ECS D134510, Riker M4010, Power Products M4410, Eagle E111, HD MFG 31164, HD MFG 31166, Truckex 3714, Riker 10023W, Riker 15010, Stemco 190-1187, Grand Rock M-444, Grand Rock M444.\u003c\/p\u003e","brand":"AUTOMANN","offers":[{"title":"Default Title","offer_id":45972091797814,"sku":"562.U6410","price":308.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/4605\/1126\/files\/m-444.png?v=1741982192"},{"product_id":"5-id-inlet-outlet-muffler-10-w22920","title":"5\" ID Inlet Outlet Muffler 10\" X 44\" 562.U6510 M5510","description":"\u003cp\u003e5\" ID Inlet Outlet Muffler 10\"\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e10\" Diameter X 44\" Shell. 51\" Overall. Centered Inlet Outlet. Try In Place Of Grandrock M-130, Paccar M101280. Same As Automann 562.U6510, Power Products M5510, Walker 22920, Dayton W22920, Grand Rock M-465, Paccar M10682, Bulldog 583986682M, Donaldson M100465, Dynaflex 87Q500130, ECS D135010, Flexatube FLX5510, Riker M5010, Nelson 86682M, Volvo 1111110, Volvo 3946780, Bluebird 1522291, Auto Jet B500500, School Bus XB5M, Stemco 1901346, International 3511320C1, Volvo NFM86682M, Power Products M5510, Eagle E112, HD MFG 31165, Truckex 3699, Walker 22836, Walker 22920, Walker 22924, Stemco 190-1107, Donaldson M10682, PDC M5510.\u003c\/p\u003e","brand":"PARTS DISTRIBUTING COMPANY LTD","offers":[{"title":"Default Title","offer_id":45973076672822,"sku":"562.U6510","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/4605\/1126\/products\/22920.png?v=1690352574"},{"product_id":"muffler-m-130-4","title":"4\" Inlet 5\" Outlet Muffler 10\" X 44\" 562.U64510","description":"\u003cp\u003e4\" Inlet 5\" Outlet Muffler 10\" X 44\" 562.U64510. Type 1. 4\" Inlet. 5\" Outlet. 10\" Diameter. 44.5\" Body Length. Same As Automann 562.U64510, International 1518317C1, Mack 87Q4050205, Grand Rock M-130-4, Donaldson M100695.\u003c\/p\u003e","brand":"AUTOMANN","offers":[{"title":"Default Title","offer_id":45973475000630,"sku":"562.U64510","price":184.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/4605\/1126\/files\/562.u64510.png?v=1741883927"},{"product_id":"562-u65091-resonator","title":"5\" Inlet Outlet Resonator 9\" X 10\" 562.U65091","description":"\u003cp\u003e5\" Inlet Outlet Resonator 9\" X 10\" 562.U65091. Same As Automann 562.U65091, Mack \u003cspan\u003e87Q500145, Grand Rock M-145, Grand Rock M145.\u003c\/span\u003e\u003c\/p\u003e","brand":"AUTOMANN","offers":[{"title":"Default Title","offer_id":46128799220022,"sku":"562.U65091","price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/4605\/1126\/files\/562.u65091.png?v=1711397822"},{"product_id":"muffler-5-inlet-outlet-9-x-20-562-u65092","title":"5\" Inlet Outlet Muffler 9\" X 20\" 562.U65092P","description":"\u003cp\u003e5\" Inlet Outlet Muffler 9\" X 20\" 562.U65092. 9\" Diameter. Same As Automann 562.U65092P, Mack 87Q500674, 87Q-500-674, Grand Rock M-595, Grand Rock M595.\u003c\/p\u003e\n\u003c!----\u003e","brand":"AUTOMANN","offers":[{"title":"Default Title","offer_id":49398783934774,"sku":"562.U65092P","price":157.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/4605\/1126\/files\/562.u65092.png?v=1741883605"},{"product_id":"5-id-inlet-outlet-muffler-9-x-44-562-u6509","title":"5\" ID Inlet Outlet Muffler 9\" X 44\" 562.U6509","description":"\u003cp\u003e5\" ID Inlet Outlet Muffler 9\" X 44\" 562.U6509. Same As Automann 562.U6509, Grand Rock M-130, Grandrock M-132, Mack 87Q500132.\u003c\/p\u003e","brand":"AUTOMANN","offers":[{"title":"Default Title","offer_id":51675585708342,"sku":"562.U6509","price":190.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/4605\/1126\/files\/562.u6509.png?v=1741715618"},{"product_id":"5-id-inlet-outlet-muffler-11-x-55-562-u65110","title":"5\" ID Inlet Outlet Muffler 11\" X 55\" 562.U65110","description":"\u003cp\u003e5\" ID Inlet Outlet Muffler 11\" X 55\" 562.U65110. Same As Automann 562.U65110, Grand Rock M-062, Grand Rock M062, Dynaflex \u003cspan\u003e098407300, Peterbilt M111062, Dynaflex 09-8-407-300.\u003c\/span\u003e\u003c\/p\u003e","brand":"AUTOMANN","offers":[{"title":"Default Title","offer_id":51683124609334,"sku":"562.U65110","price":330.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/4605\/1126\/files\/562.u65110.png?v=1741885319"},{"product_id":"4-inlet-5-outlet-muffler-9-x-44-562-u64509","title":"4\" Inlet 5\" Outlet Muffler 9\" X 44\" 562.U64509","description":"\u003cp\u003e4\" Inlet 5\" Outlet Muffler 9\" X 44\" 562.U64509. Same As Automann 562.U64509, Grand Rock M-514, Grandrock M514, \u003cspan\u003e1000MUF45944, 2ME3102, 87Q4050514.\u003c\/span\u003e\u003c\/p\u003e","brand":"AUTOMANN","offers":[{"title":"Default Title","offer_id":51683147645238,"sku":"562.U64509","price":208.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/4605\/1126\/files\/562.u64509.png?v=1741885796"},{"product_id":"4-inlet-outlet-muffler-8-5-x-33-562-u6485","title":"4\" Inlet Outlet Muffler 8.5\" X 33\" 562.U6485","description":"\u003cp\u003e4\" Inlet Outlet Muffler 8.5\" X 33\" 562.U6485. Same As Automann 562.U6485, Grand Rock M-127, Grand Rock M127, M085171, M4485.\u003c\/p\u003e","brand":"AUTOMANN","offers":[{"title":"Default Title","offer_id":51687078297910,"sku":"562.U6485","price":191.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/4605\/1126\/files\/562.u6485.png?v=1741981213"},{"product_id":"4-inlet-5-outlet-muffler-9-x-44-562-u645091","title":"4\" Inlet 5\" Outlet Muffler 9\" X 44\" 562.U645091","description":"\u003cp\u003e4\" Inlet 5\" Outlet Muffler 9\" X 44\" 562.U645091. Same As Automann 562.U645091, Grand Rock M-771, Grand Rock M771, Mack \u003cspan\u003e2ME3118, Mack 2ME3118A.\u003c\/span\u003e\u003c\/p\u003e","brand":"AUTOMANN","offers":[{"title":"Default Title","offer_id":51687087407414,"sku":"562.U645091","price":306.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/4605\/1126\/files\/562.u645091.png?v=1741981541"},{"product_id":"5-inlet-outlet-muffler-10-x-44-562-u65101","title":"5\" Inlet Outlet Muffler 10\" X 44\" 562.U65101","description":"\u003cp\u003e5\" Inlet Outlet Muffler 10\" X 44\" 562.U65101. Same As Automann 562.U65101, \u003cspan\u003eM100213, M35510, Grand Rock M526, Grand Rock M-526.\u003c\/span\u003e\u003c\/p\u003e","brand":"AUTOMANN","offers":[{"title":"Default Title","offer_id":51687091437878,"sku":"562.U65101","price":372.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/4605\/1126\/files\/562.u65101.png?v=1741981746"},{"product_id":"4-inlet-outlet-resonator-9-x-10-562-u64091","title":"4\" Inlet Outlet Resonator 9\" X 10\" 562.U64091","description":"\u003cp\u003e4\" Inlet Outlet Resonator 9\" X 10\" 562.U64091. Same As Automann 562.U64091, \u003cspan\u003eM090362, Grand Rock M144, MR40, Grand Rock M-144.\u003c\/span\u003e\u003c\/p\u003e","brand":"AUTOMANN","offers":[{"title":"Default Title","offer_id":51687100809526,"sku":"562.U64091","price":132.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/4605\/1126\/files\/562.u64091.png?v=1741981966"},{"product_id":"4-inlet-outlet-muffler-9-x-20-562-u64092","title":"4\" Inlet Outlet Muffler 9\" X 20\" 562.U64092","description":"\u003cp\u003e4\" Inlet Outlet Muffler 9\" X 20\" 562.U64092. Same As Automann 562.U64092, Mack 87Q400189.\u003c\/p\u003e","brand":"AUTOMANN","offers":[{"title":"Default Title","offer_id":51687123910966,"sku":"562.U64092","price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/4605\/1126\/files\/562.u64092.png?v=1741982629"},{"product_id":"4-inlet-5-outlet-10-x-15-oval-muffler-562-u6451015","title":"4\" Inlet 5\" Outlet 10\" X 15\" Oval Muffler 562.U6451015","description":"\u003cp\u003e4\" Inlet 5\" Outlet 10\" X 15\" Oval Muffler 562.U6451015. Same As Automann 562.U6451015, Mack 2ME3106A, Grand Rock M-542, Grand Rock M542.\u003c\/p\u003e","brand":"AUTOMANN","offers":[{"title":"Default Title","offer_id":51687241613622,"sku":"562.U6451015","price":529.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/4605\/1126\/files\/562.u6451015.png?v=1741984601"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/4605\/1126\/collections\/562.u64509.png?v=1790464527","url":"https:\/\/vanhorntruckparts.com\/collections\/mufflers.oembed","provider":"Van Horn Truck Parts","version":"1.0","type":"link"}