{"title":"KOMATSU INJECTION PUMPS","description":"\u003ch2\u003eKOMATSU INJECTION PUMPS\u003c\/h2\u003e\n\u003cp\u003ePumps are the heart of Komatsu hydraulic and engine-driven systems. Whether supplying hydraulic pressure for implements, steering flow, cooling circulation, or fuel delivery, pump performance directly impacts machine productivity and reliability.\u003c\/p\u003e\n\n\u003cp\u003eWQC Parts supplies heavy-duty \u003cstrong\u003eKomatsu replacement injection pumps\u003c\/strong\u003e engineered for construction and mining environments where high load cycles, pressure stability, and durability are critical.\u003c\/p\u003e\n\n\u003ch3\u003eRole of Pumps in Komatsu Equipment\u003c\/h3\u003e\n\u003cp\u003eKomatsu machines depend on precise fluid movement to power travel systems, swing assemblies, lift arms, steering systems, and engine support circuits. Proper pump operation ensures consistent pressure, flow rate stability, and efficient power transfer.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMaintains hydraulic system pressure and flow\u003c\/li\u003e\n\u003cli\u003eSupports smooth implement and travel operation\u003c\/li\u003e\n\u003cli\u003ePrevents overheating caused by inefficiency\u003c\/li\u003e\n\u003cli\u003eProtects downstream valves, motors, and cylinders\u003c\/li\u003e\n\u003cli\u003eEnsures dependable engine support functions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Causes of Pump Failure\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHydraulic fluid contamination\u003c\/li\u003e\n\u003cli\u003eCavitation from suction leaks\u003c\/li\u003e\n\u003cli\u003eOverheating due to restricted flow\u003c\/li\u003e\n\u003cli\u003eImproper installation or misalignment\u003c\/li\u003e\n\u003cli\u003eExtended operation under excessive load\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSigns of Pump Wear\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSlow or weak hydraulic response\u003c\/li\u003e\n\u003cli\u003eUnusual whining or grinding noise\u003c\/li\u003e\n\u003cli\u003eIncreased operating temperature\u003c\/li\u003e\n\u003cli\u003eLoss of steering or implement power\u003c\/li\u003e\n\u003cli\u003eHydraulic pressure fluctuation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBuilt for Severe-Duty Applications\u003c\/h3\u003e\n\u003cp\u003eKomatsu equipment frequently operates in abrasive, high-cycle, and high-pressure environments. Aftermarket pumps supplied by WQC Parts are selected to meet dimensional accuracy and material standards appropriate for demanding duty cycles.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose WQC Parts for Komatsu Pumps?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAftermarket components selected for heavy equipment performance\u003c\/li\u003e\n\u003cli\u003eFitment support to confirm compatibility\u003c\/li\u003e\n\u003cli\u003eCompetitive pricing for fleet maintenance and rebuild programs\u003c\/li\u003e\n\u003cli\u003eFast fulfillment to reduce downtime\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eBrowse our selection of komatsu injection pumps below or contact WQC Parts for assistance identifying the correct pump for your Komatsu machine.\u003c\/p\u003e\n\u003ch2\u003eRelated collections and help\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/komatsu-pumps\"\u003eKomatsu Pumps\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/komatsu-parts\"\u003eShop all Komatsu parts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/komatsu-pumps-guide\"\u003eKomatsu Pumps Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/contact\"\u003eGet help identifying a part\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","products":[{"product_id":"komatsu-6738-71-1110-injection-pump-assembly-km-6738-71-1110","title":"Komatsu 6738-71-1110 Injection Pump Assembly","description":"\u003ch2\u003eKomatsu 6738-71-1110 Injection Pump Assembly\u003c\/h2\u003e \u003cp\u003e\u003cstrong\u003eKomatsu 6738-71-1110 Injection Pump Assembly\u003c\/strong\u003e is a WQC Parts aftermarket replacement part for Komatsu heavy equipment. It is intended for hydraulic system and machine service applications where the part number, machine model, and serial range match the required application.\u003c\/p\u003e  \u003ch3\u003ePart Information\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003eKomatsu part number:\u003c\/strong\u003e 6738-71-1110\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eWQC SKU:\u003c\/strong\u003e KM-6738-71-1110\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eProduct type:\u003c\/strong\u003e Injection Pump Assembly\u003c\/li\u003e  \u003cli\u003e \u003cstrong\u003eSearch reference:\u003c\/strong\u003e 6738-71-1110 \/ 6738711110\u003c\/li\u003e \u003c\/ul\u003e  \u003cp\u003e\u003cstrong\u003eCommon machine models include:\u003c\/strong\u003e PC200, PC200LC, PC200SC, PC210, PC210LC, PC228US, PC228USLC, SAA6D102E-2C, BZ210, SAA6D102E-2A, SAA6D102E-2F, BP500-7-M1, SAA6D102E-2FF.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eReported serial ranges include:\u003c\/strong\u003e 200001-UP (OVERSEAS VERSION), 200001-UP (SUPER LONG FRONT), 200001-UP, C50001-UP, A86001-UP, 20001-UP, 40001-UP, 20001-29999 (OVERSEAS VERSION).\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eReported category\/application areas:\u003c\/strong\u003e EXCAVATORS, Engines, Mobile Crushers and Recyclers.\u003c\/p\u003e  \u003ch3\u003eFitment Notes\u003c\/h3\u003e \u003cp\u003eAlways confirm final fitment before ordering. The same general part description can apply to different Komatsu models, serial ranges, component groups, or diagram positions. Verify the original part number, machine model, serial number, and installed arrangement before purchase.\u003c\/p\u003e  \u003ch3\u003eWhy Buy from WQC Parts?\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAftermarket Komatsu replacement parts organized by part number and product type.\u003c\/li\u003e \u003cli\u003eSupport for fitment review using machine model, serial number, and photos when needed.\u003c\/li\u003e \u003cli\u003eCompetitive pricing for repair shops, equipment owners, and fleet maintenance teams.\u003c\/li\u003e \u003cli\u003eReliable sourcing focused on reducing downtime and keeping machines working.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eIf you are unsure whether this part fits your machine, contact WQC Parts with your model, serial number, and existing part number before ordering.\u003c\/p\u003e\n\u003cdiv data-wqc-seo-links=\"1\"\u003e\n\u003ch3\u003eRelated Komatsu Parts Resources\u003c\/h3\u003e\n\u003cp\u003eFor additional fitment context around \u003cstrong\u003e6738-71-1110\u003c\/strong\u003e, compare the machine, serial-range, and application details above with related Komatsu Injection Pump Assembly listings before ordering.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/komatsu-parts\"\u003eShop all Komatsu parts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/komatsu-pumps\"\u003eBrowse Komatsu pumps\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"WQC","offers":[{"title":"Default Title","offer_id":42591460982880,"sku":"KM-6738-71-1110","price":4536.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/6738-71-1110_Komatsu-parts-online_f3a659ed-5767-49a5-b635-8a4e64e1c489.png?v=1771628366"},{"product_id":"komatsu-6251-71-1121-fuel-injection-pump-assembly-km-6251-71-1121","title":"Komatsu 6251-71-1121 Fuel Injection Pump Assembly","description":"\u003ch2\u003eKomatsu 6251-71-1121 Fuel Injection Pump Assembly\u003c\/h2\u003e \u003cp\u003e\u003cstrong\u003eKomatsu 6251-71-1121 Fuel Injection Pump Assembly\u003c\/strong\u003e is a WQC Parts aftermarket replacement part for Komatsu heavy equipment. It is intended for hydraulic system and machine service applications where the part number, machine model, and serial range match the required application.\u003c\/p\u003e  \u003ch3\u003ePart Information\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003eKomatsu part number:\u003c\/strong\u003e 6251-71-1121\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eWQC SKU:\u003c\/strong\u003e KM-6251-71-1121\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eProduct type:\u003c\/strong\u003e Fuel Injection Pump Assembly\u003c\/li\u003e  \u003cli\u003e \u003cstrong\u003eSearch reference:\u003c\/strong\u003e 6251-71-1121 \/ 6251711121\u003c\/li\u003e \u003c\/ul\u003e  \u003cp\u003e\u003cstrong\u003eCommon machine models include:\u003c\/strong\u003e HM250, HM300, GD755, D85EX, D85PX, WA470, WA480, PC400, PC400LC, PC400LCSE, PC450, PC450LC, PC500LC, PC550LC, SAA6D125E-5F, SAA6D125E-5CR, SAA6D125E-5-FR, SAA6D125E-5BA, SAA6D125E-5D, SAA6D125E-5B, and 6 additional Komatsu models.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eReported serial ranges include:\u003c\/strong\u003e 2001-UP, 2785-UP, A11001 AND UP, 7001-UP, 10001-UP, 11609-UP (ECOT3), 11609-UP (ECOT3, FOR EU), 20003-UP.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eReported category\/application areas:\u003c\/strong\u003e DUMP TRUCKS, GRADERS, BULLDOZERS, WHEEL LOADERS, EXCAVATORS, Engines, Mobile Crushers and Recyclers.\u003c\/p\u003e  \u003ch3\u003eFitment Notes\u003c\/h3\u003e \u003cp\u003eAlways confirm final fitment before ordering. The same general part description can apply to different Komatsu models, serial ranges, component groups, or diagram positions. Verify the original part number, machine model, serial number, and installed arrangement before purchase.\u003c\/p\u003e  \u003ch3\u003eWhy Buy from WQC Parts?\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAftermarket Komatsu replacement parts organized by part number and product type.\u003c\/li\u003e \u003cli\u003eSupport for fitment review using machine model, serial number, and photos when needed.\u003c\/li\u003e \u003cli\u003eCompetitive pricing for repair shops, equipment owners, and fleet maintenance teams.\u003c\/li\u003e \u003cli\u003eReliable sourcing focused on reducing downtime and keeping machines working.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eIf you are unsure whether this part fits your machine, contact WQC Parts with your model, serial number, and existing part number before ordering.\u003c\/p\u003e\n\u003cdiv data-wqc-seo-links=\"1\"\u003e\n\u003ch3\u003eRelated Komatsu Parts Resources\u003c\/h3\u003e\n\u003cp\u003eFor additional fitment context around \u003cstrong\u003e6251-71-1121\u003c\/strong\u003e, compare the machine, serial-range, and application details above with related Komatsu Fuel Injection Pump Assembly listings before ordering.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/komatsu-parts\"\u003eShop all Komatsu parts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/komatsu-pumps\"\u003eBrowse Komatsu pumps\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"WQC","offers":[{"title":"Default Title","offer_id":42591493390432,"sku":"KM-6251-71-1121","price":5459.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/komatsu-parts-worldwide.png?v=1769344708"},{"product_id":"komatsu-6138-72-1311-injection-pump-assembly-km-6138-72-1311","title":"Komatsu 6138-72-1311 Injection Pump Assembly","description":"\u003ch2\u003eKomatsu 6138-72-1311 Injection Pump Assembly\u003c\/h2\u003e \u003cp\u003e\u003cstrong\u003eKomatsu 6138-72-1311 Injection Pump Assembly\u003c\/strong\u003e is a WQC Parts aftermarket replacement part for Komatsu heavy equipment. It is intended for hydraulic system and machine service applications where the part number, machine model, and serial range match the required application.\u003c\/p\u003e  \u003ch3\u003ePart Information\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003eKomatsu part number:\u003c\/strong\u003e 6138-72-1311\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eWQC SKU:\u003c\/strong\u003e KM-6138-72-1311\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eProduct type:\u003c\/strong\u003e Injection Pump Assembly\u003c\/li\u003e  \u003cli\u003e \u003cstrong\u003eSearch reference:\u003c\/strong\u003e 6138-72-1311 \/ 6138721311\u003c\/li\u003e \u003c\/ul\u003e  \u003cp\u003e\u003cstrong\u003eCommon machine models include:\u003c\/strong\u003e WA420, SA6D110-1W.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eReported serial ranges include:\u003c\/strong\u003e 10001-UP.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eReported category\/application areas:\u003c\/strong\u003e WHEEL LOADERS, Engines.\u003c\/p\u003e  \u003ch3\u003eFitment Notes\u003c\/h3\u003e \u003cp\u003eAlways confirm final fitment before ordering. The same general part description can apply to different Komatsu models, serial ranges, component groups, or diagram positions. Verify the original part number, machine model, serial number, and installed arrangement before purchase.\u003c\/p\u003e  \u003ch3\u003eWhy Buy from WQC Parts?\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAftermarket Komatsu replacement parts organized by part number and product type.\u003c\/li\u003e \u003cli\u003eSupport for fitment review using machine model, serial number, and photos when needed.\u003c\/li\u003e \u003cli\u003eCompetitive pricing for repair shops, equipment owners, and fleet maintenance teams.\u003c\/li\u003e \u003cli\u003eReliable sourcing focused on reducing downtime and keeping machines working.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eIf you are unsure whether this part fits your machine, contact WQC Parts with your model, serial number, and existing part number before ordering.\u003c\/p\u003e\n\u003cdiv data-wqc-seo-links=\"1\"\u003e\n\u003ch3\u003eRelated Komatsu Parts Resources\u003c\/h3\u003e\n\u003cp\u003eFor additional fitment context around \u003cstrong\u003e6138-72-1311\u003c\/strong\u003e, compare the machine, serial-range, and application details above with related Komatsu Injection Pump Assembly listings before ordering.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/komatsu-parts\"\u003eShop all Komatsu parts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/komatsu-pumps\"\u003eBrowse Komatsu pumps\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"WQC","offers":[{"title":"Default Title","offer_id":42591548604512,"sku":"KM-6138-72-1311","price":6409.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/komatsu-parts-worldwide.png?v=1769344708"},{"product_id":"komatsu-6115-71-1100-injection-pump-km-6115-71-1100","title":"Komatsu 6115-71-1100 Injection Pump","description":"\u003ch2\u003eKomatsu 6115-71-1100 Injection Pump\u003c\/h2\u003e \u003cp\u003e\u003cstrong\u003eKomatsu 6115-71-1100 Injection Pump\u003c\/strong\u003e is a WQC Parts aftermarket replacement part for Komatsu heavy equipment. It is intended for hydraulic system and machine service applications where the part number, machine model, and serial range match the required application.\u003c\/p\u003e  \u003ch3\u003ePart Information\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003eKomatsu part number:\u003c\/strong\u003e 6115-71-1100\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eWQC SKU:\u003c\/strong\u003e KM-6115-71-1100\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eProduct type:\u003c\/strong\u003e Injection Pump\u003c\/li\u003e  \u003cli\u003e \u003cstrong\u003eSearch reference:\u003c\/strong\u003e 6115-71-1100 \/ 6115711100\u003c\/li\u003e \u003c\/ul\u003e   \u003ch3\u003eFitment Notes\u003c\/h3\u003e \u003cp\u003eAlways confirm final fitment before ordering. The same general part description can apply to different Komatsu models, serial ranges, component groups, or diagram positions. Verify the original part number, machine model, serial number, and installed arrangement before purchase.\u003c\/p\u003e  \u003ch3\u003eWhy Buy from WQC Parts?\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAftermarket Komatsu replacement parts organized by part number and product type.\u003c\/li\u003e \u003cli\u003eSupport for fitment review using machine model, serial number, and photos when needed.\u003c\/li\u003e \u003cli\u003eCompetitive pricing for repair shops, equipment owners, and fleet maintenance teams.\u003c\/li\u003e \u003cli\u003eReliable sourcing focused on reducing downtime and keeping machines working.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eIf you are unsure whether this part fits your machine, contact WQC Parts with your model, serial number, and existing part number before ordering.\u003c\/p\u003e\n\u003cdiv data-wqc-seo-links=\"1\"\u003e\n\u003ch3\u003eRelated Komatsu Parts Resources\u003c\/h3\u003e\n\u003cp\u003eFor additional fitment context around \u003cstrong\u003e6115-71-1100\u003c\/strong\u003e, compare the machine, serial-range, and application details above with related Komatsu Injection Pump listings before ordering.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/komatsu-parts\"\u003eShop all Komatsu parts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/komatsu-pumps\"\u003eBrowse Komatsu pumps\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"WQC","offers":[{"title":"Default Title","offer_id":42593017004128,"sku":"KM-6115-71-1100","price":2866.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/komatsu-parts-worldwide.png?v=1769344708"}],"url":"https:\/\/wqcparts.com\/collections\/komatsu-injection-pumps.oembed","provider":"WQC PARTS","version":"1.0","type":"link"}