{"product_id":"4-pcs-fuel-injector-ym723900-53100-fits-for-komatsu-engine-s4d106-1fh-excavator-pc95r-2-pw95r-2","title":"4 Pcs Fuel Injector YM723900-53100 YM723900 53100 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 (equivalent to the Yanmar 4TNE106 family) 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). These engines use individual fuel injectors for precise fuel delivery to each cylinder. When injectors fail, you'll experience rough running, misfires, excessive black smoke, hard starts, power loss, and increased fuel consumption. This 4-piece brand-new aftermarket injector set covers \u003cstrong\u003eall four cylinders\u003c\/strong\u003e in a single order, 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\u003eComplete 4-Cylinder Set:\u003c\/strong\u003e Full engine coverage in a single order — no need to source injectors individually\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\u003ePrevents Cascading Failures:\u003c\/strong\u003e Replacing all four eliminates future unplanned downtime from remaining worn injectors\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\u003e4 × Fuel Injectors (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 4 pieces (complete 4-cylinder set)\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\u003ePlease 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":47151215706268,"sku":"YM723900-53100A","price":464.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/7843\/8300\/files\/4-pcs-fuel-injector-ym723900-53100-fits-for-komatsu-engine-s4d106-1fh-excavator-pc95r-2-pw95r-2-3620187.png?v=1783064892","url":"https:\/\/fuelpartsdepot.com\/en-gb\/products\/4-pcs-fuel-injector-ym723900-53100-fits-for-komatsu-engine-s4d106-1fh-excavator-pc95r-2-pw95r-2","provider":"Fuel Parts Depot","version":"1.0","type":"link"}