{"title":"Komatsu PC300 Parts","description":"\u003cp\u003eRubber parts that fit Komatsu PC300 excavators, listed by OEM part number. Engine mounts, pump couplings, radiator hoses and cab mountings for this model.\u003c\/p\u003e\u003cp\u003eSeveral OEM numbers apply to this model depending on engine variant; the engine code is shown on each part page.\u003c\/p\u003e\n\u003c!--sf-links--\u003e\n\u003cp\u003e\u003cstrong\u003eAlso in:\u003c\/strong\u003e \u003ca href=\"\/collections\/excavator-radiator-hoses\"\u003eExcavator Radiator Hoses\u003c\/a\u003e · \u003ca href=\"\/collections\/excavator-engine-mounts\"\u003eExcavator Engine Mounts\u003c\/a\u003e\u003c\/p\u003e","products":[{"product_id":"lower-pc300-3","title":"Lower PC300-3","description":"\u003cp\u003eLower radiator hose for Komatsu PC300-3. Moulded reinforced rubber hose for the engine cooling circuit.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Lower\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Komatsu PC300-3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e aftermarket replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy radiator hoses fail\u003c\/h3\u003e\u003cp\u003eHeat cycles harden the rubber. A hose that feels hard as a rock is finished even if it has not started leaking yet, and the next stage is a crack, a bulge, or a burst under pressure. Upper, lower and middle hoses are not interchangeable, and the same machine often uses a different hose for each engine variant.\u003c\/p\u003e\n\u003ch3\u003eConfirm the fit before you order\u003c\/h3\u003e\u003cp\u003eMatch on the OEM part number or the engine code, not just PC300-3. Send us the machine model with its serial range, or a photo of the number on the old hose, and we will check it against our records before shipping.\u003c\/p\u003e\n\u003cp\u003eBrowse all \u003ca href=\"\/collections\/excavator-radiator-hoses\"\u003eExcavator Radiator Hoses\u003c\/a\u003e. All rubber parts for this machine: \u003ca href=\"\/collections\/pc300-parts\"\u003eKomatsu PC300 Parts\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003csmall\u003eAftermarket replacement part. Komatsu and other brand names are used only to identify the machines this part fits; we are not affiliated with the manufacturer.\u003c\/small\u003e\u003c\/p\u003e","brand":"KOMATSU","offers":[{"title":"Lower","offer_id":44327663796307,"sku":"KOMATSU-PC300-3-Lower","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/0815\/3939\/files\/image44.jpeg?v=1774957290"},{"product_id":"lower-pc300-350-5","title":"Lower PC300\/350-5","description":"\u003cp\u003eLower radiator hose for Komatsu PC300\/350-5. Moulded reinforced rubber hose for the engine cooling circuit.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM part number:\u003c\/strong\u003e 207-03-51270\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Lower\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Komatsu PC300\/350-5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e aftermarket replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy radiator hoses fail\u003c\/h3\u003e\u003cp\u003eHeat cycles harden the rubber. A hose that feels hard as a rock is finished even if it has not started leaking yet, and the next stage is a crack, a bulge, or a burst under pressure. Upper, lower and middle hoses are not interchangeable, and the same machine often uses a different hose for each engine variant.\u003c\/p\u003e\n\u003ch3\u003eConfirm the fit before you order\u003c\/h3\u003e\u003cp\u003eMatch on the OEM part number or the engine code, not just PC300\/350-5. Send us the machine model with its serial range, or a photo of the number on the old hose, and we will check it against our records before shipping.\u003c\/p\u003e\n\u003cp\u003eBrowse all \u003ca href=\"\/collections\/excavator-radiator-hoses\"\u003eExcavator Radiator Hoses\u003c\/a\u003e. All rubber parts for this machine: \u003ca href=\"\/collections\/pc300-parts\"\u003eKomatsu PC300 Parts\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003csmall\u003eAftermarket replacement part. Komatsu and other brand names are used only to identify the machines this part fits; we are not affiliated with the manufacturer.\u003c\/small\u003e\u003c\/p\u003e","brand":"KOMATSU","offers":[{"title":"Lower","offer_id":44327664418899,"sku":"KOMATSU-PC300-350-5-Lower","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/0815\/3939\/files\/image46.jpeg?v=1774957340"},{"product_id":"lower-pc300-350-6","title":"Lower PC300\/350-6","description":"\u003cp\u003eLower radiator hose for Komatsu PC300\/350-6. Moulded reinforced rubber hose for the engine cooling circuit.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM part number:\u003c\/strong\u003e 207-03-51270\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Lower\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Komatsu PC300\/350-6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e aftermarket replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy radiator hoses fail\u003c\/h3\u003e\u003cp\u003eHeat cycles harden the rubber. A hose that feels hard as a rock is finished even if it has not started leaking yet, and the next stage is a crack, a bulge, or a burst under pressure. Upper, lower and middle hoses are not interchangeable, and the same machine often uses a different hose for each engine variant.\u003c\/p\u003e\n\u003ch3\u003eConfirm the fit before you order\u003c\/h3\u003e\u003cp\u003eMatch on the OEM part number or the engine code, not just PC300\/350-6. Send us the machine model with its serial range, or a photo of the number on the old hose, and we will check it against our records before shipping.\u003c\/p\u003e\n\u003cp\u003eBrowse all \u003ca href=\"\/collections\/excavator-radiator-hoses\"\u003eExcavator Radiator Hoses\u003c\/a\u003e. All rubber parts for this machine: \u003ca href=\"\/collections\/pc300-parts\"\u003eKomatsu PC300 Parts\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003csmall\u003eAftermarket replacement part. Komatsu and other brand names are used only to identify the machines this part fits; we are not affiliated with the manufacturer.\u003c\/small\u003e\u003c\/p\u003e","brand":"KOMATSU","offers":[{"title":"Lower","offer_id":44327664582739,"sku":"KOMATSU-PC300-350-6-Lower","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/0815\/3939\/files\/image48.jpeg?v=1774957366"},{"product_id":"lower-pc300-350-360-7","title":"Lower PC300\/350\/360-7","description":"\u003cp\u003eLower radiator hose for Komatsu PC300\/350\/360-7. Moulded reinforced rubber hose for the engine cooling circuit.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM part number:\u003c\/strong\u003e 207-03-71232\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Lower\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Komatsu PC300\/350\/360-7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e aftermarket replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy radiator hoses fail\u003c\/h3\u003e\u003cp\u003eHeat cycles harden the rubber. A hose that feels hard as a rock is finished even if it has not started leaking yet, and the next stage is a crack, a bulge, or a burst under pressure. Upper, lower and middle hoses are not interchangeable, and the same machine often uses a different hose for each engine variant.\u003c\/p\u003e\n\u003ch3\u003eConfirm the fit before you order\u003c\/h3\u003e\u003cp\u003eMatch on the OEM part number or the engine code, not just PC300\/350\/360-7. Send us the machine model with its serial range, or a photo of the number on the old hose, and we will check it against our records before shipping.\u003c\/p\u003e\n\u003cp\u003eBrowse all \u003ca href=\"\/collections\/excavator-radiator-hoses\"\u003eExcavator Radiator Hoses\u003c\/a\u003e. All rubber parts for this machine: \u003ca href=\"\/collections\/pc300-parts\"\u003eKomatsu PC300 Parts\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003csmall\u003eAftermarket replacement part. Komatsu and other brand names are used only to identify the machines this part fits; we are not affiliated with the manufacturer.\u003c\/small\u003e\u003c\/p\u003e","brand":"KOMATSU","offers":[{"title":"Lower","offer_id":44327664648275,"sku":"KOMATSU-PC300-350-360-7-Lower","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/0815\/3939\/files\/image50.jpeg?v=1774957378"},{"product_id":"lower-pc300-350-8","title":"Lower PC300\/350-8","description":"\u003cp\u003eLower radiator hose for Komatsu PC300\/350-8. Moulded reinforced rubber hose for the engine cooling circuit.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM part number:\u003c\/strong\u003e 207-03-71231\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Lower\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Komatsu PC300\/350-8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e aftermarket replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy radiator hoses fail\u003c\/h3\u003e\u003cp\u003eHeat cycles harden the rubber. A hose that feels hard as a rock is finished even if it has not started leaking yet, and the next stage is a crack, a bulge, or a burst under pressure. Upper, lower and middle hoses are not interchangeable, and the same machine often uses a different hose for each engine variant.\u003c\/p\u003e\n\u003ch3\u003eConfirm the fit before you order\u003c\/h3\u003e\u003cp\u003eMatch on the OEM part number or the engine code, not just PC300\/350-8. Send us the machine model with its serial range, or a photo of the number on the old hose, and we will check it against our records before shipping.\u003c\/p\u003e\n\u003cp\u003eBrowse all \u003ca href=\"\/collections\/excavator-radiator-hoses\"\u003eExcavator Radiator Hoses\u003c\/a\u003e. All rubber parts for this machine: \u003ca href=\"\/collections\/pc300-parts\"\u003eKomatsu PC300 Parts\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003csmall\u003eAftermarket replacement part. Komatsu and other brand names are used only to identify the machines this part fits; we are not affiliated with the manufacturer.\u003c\/small\u003e\u003c\/p\u003e","brand":"KOMATSU","offers":[{"title":"Lower","offer_id":44327664746579,"sku":"KOMATSU-PC300-350-8-Lower","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/0815\/3939\/files\/image52.jpeg?v=1774957391"},{"product_id":"pc300-7-360-7-front-rear-engine-cushion","title":"PC300-7\/360-7 Front \u0026 Rear Engine Cushion","description":"\u003cp\u003eEngine mount for Komatsu PC300-7\/360-7. Bonded rubber-to-steel mounting that carries the engine and isolates its vibration from the machine frame. Supplied as a front and rear mounting.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Komatsu PC300-7\/360-7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e aftermarket replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow these fail\u003c\/h3\u003e\u003cp\u003eThe rubber cracks or separates from the steel housing. You usually feel it before you see it: vibration at idle, a shake through the cab, or the engine sitting visibly low on its mountings. Once the rubber has let go the mount stops absorbing anything, and the vibration starts working on the frame and on the mountings around it.\u003c\/p\u003e\n\u003ch3\u003eConfirm the fit before you order\u003c\/h3\u003e\u003cp\u003eThe mounting changes between engine variants of the same machine, so the model number alone is not always enough. Send us the machine model with its serial number range, or a photo of the number on the old mount, and we will confirm this is the right one before it ships.\u003c\/p\u003e\n\u003cp\u003eBrowse all \u003ca href=\"\/collections\/excavator-engine-mounts\"\u003eExcavator Engine Mounts\u003c\/a\u003e. All rubber parts for this machine: \u003ca href=\"\/collections\/pc300-parts\"\u003eKomatsu PC300 Parts\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003csmall\u003eAftermarket replacement part. Komatsu and other brand names are used only to identify the machines this part fits; we are not affiliated with the manufacturer.\u003c\/small\u003e\u003c\/p\u003e","brand":"ShengFeng","offers":[{"title":"Default Title","offer_id":44409918816339,"sku":null,"price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/0815\/3939\/files\/image16_62c8ebe1-2d4c-4216-ac5e-30ec6471fcb4.jpeg?v=1775452580"}],"url":"https:\/\/sfma.cn\/collections\/pc300-parts.oembed","provider":"ShengFeng","version":"1.0","type":"link"}