{"product_id":"1-pc-fuel-injector-ym723900-53100-fit-for-komatsu-engine-s4d106-1fh-excavator-pc95r-2-pw95r-2","title":"1 Pc Fuel Injector YM723900-53100 YM72390053100 Fit for Komatsu Engine S4D106-1FH Excavator PC95R-2 PW95R-2","description":"\u003cp\u003eThe Komatsu S4D106-1FH is a 4-cylinder diesel engine — a Yanmar-sourced powerplant used in Komatsu compact excavators (PC95R-2, PW95R-2) and compact wheel loaders and backhoe loaders (WA90-3, WA115-3, WB140-2, WB150AWS-2N, WB91R-2). When a fuel injector fails, you'll experience rough running, misfires, excessive black smoke, hard starts, power loss, and increased fuel consumption. This brand-new aftermarket fuel injector is a direct replacement for the Komatsu S4D106-1FH engine with Komatsu OEM part number \u003cstrong\u003eYM723900-53100\u003c\/strong\u003e in three cross-reference formats.\u003c\/p\u003e\n\u003ch3\u003e✅ Direct-Fit Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKomatsu Engine:\u003c\/strong\u003e S4D106-1FH (4-cylinder diesel)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKomatsu Excavators:\u003c\/strong\u003e PC95R-2, PW95R-2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKomatsu Wheel Loaders:\u003c\/strong\u003e WA90-3, WA115-3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKomatsu Backhoe Loaders:\u003c\/strong\u003e WB91R-2, WB140-2, WB140-2N, WB140PS-2, WB140PS-2N, WB150AWS-2N\u003c\/li\u003e\n\u003cli\u003eBolt-on replacement — no modifications required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e🔧 Product Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Brand New Aftermarket:\u003c\/strong\u003e Not rebuilt or refurbished — starts with a full service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-Spec Fuel Delivery:\u003c\/strong\u003e Correct injection pressure and spray pattern for smooth power delivery, clean combustion, and optimal fuel economy in the Komatsu S4D106-1FH engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTargeted Single-Unit Replacement:\u003c\/strong\u003e Ideal when diagnostics confirm one failed injector on a specific cylinder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad Komatsu Equipment Coverage:\u003c\/strong\u003e Fits compact excavators, wheel loaders, and backhoe loaders sharing the S4D106-1FH engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 Cross-Reference Formats:\u003c\/strong\u003e Covers YM723900-53100, YM-723900-53100, and YM72390053100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Dealer Markup:\u003c\/strong\u003e OEM-equivalent quality at aftermarket pricing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e📦 What's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Fuel Injector (YM723900-53100)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e🔑 Key Specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKomatsu Part Numbers:\u003c\/strong\u003e YM723900-53100, YM-723900-53100, YM72390053100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e Komatsu S4D106-1FH (4-cylinder diesel, Yanmar-sourced)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e 100% New Aftermarket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 piece (single cylinder replacement)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Komatsu PC95R-2 \/ PW95R-2 excavators; WA90-3 \/ WA115-3 wheel loaders; WB91R-2 \/ WB140-2 \/ WB150AWS-2N backhoe loaders\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eReplacing all four injectors? Our \u003ca href=\"https:\/\/fuelpartsdepot.com\/products\/4-pcs-fuel-injector-ym723900-53100-fits-for-komatsu-engine-s4d106-1fh-excavator-pc95r-2-pw95r-2?_pos=2\u0026amp;_psq=YM723900-53100\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003e\u003cstrong\u003e4-pack (SKU: YM723900-53100)\u003c\/strong\u003e\u003c\/a\u003e offers complete engine coverage at a lower cost-per-injector. Please verify your equipment model, engine serial number, and existing injector part number before ordering. Contact us for fitment confirmation if needed.\u003c\/em\u003e\u003c\/p\u003e","brand":"Fuel Parts Depot","offers":[{"title":"Default Title","offer_id":47151212986524,"sku":"YM723900-53100","price":260.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/7843\/8300\/files\/1-pc-fuel-injector-ym723900-53100-fit-for-komatsu-engine-s4d106-1fh-excavator-pc95r-2-pw95r-2-4896450.png?v=1783064892","url":"https:\/\/fuelpartsdepot.com\/en-ca\/products\/1-pc-fuel-injector-ym723900-53100-fit-for-komatsu-engine-s4d106-1fh-excavator-pc95r-2-pw95r-2","provider":"Fuel Parts Depot","version":"1.0","type":"link"}