{"product_id":"1-pc-fuel-injector-729004-53101-for-yanmar-3tnv84-3tnv88-komatsu-3d84e-5-s3d84e-5-3d88e-6-3d88e-3d88e-5-engine","title":"1 Pc Fuel Injector 729004-53101 72900453101 for Yanmar 3TNV84 3TNV88 Komatsu 3D84E-5 S3D84E-5 3D88E-6 3D88E 3D88E-5 Engine","description":"\u003cp\u003eThe Yanmar 3TNV84 and 3TNV88 are compact 3-cylinder diesel engines — and their Komatsu-rebadged equivalents (3D84E-5, S3D84E-5, 3D88E, 3D88E-5, 3D88E-6) — are widely used in mini excavators, compact wheel loaders, and utility equipment from multiple OEMs worldwide. 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 with OEM part number \u003cstrong\u003e729004-53101\u003c\/strong\u003e, covering six cross-reference formats across Yanmar and Komatsu part numbering systems.\u003c\/p\u003e\n\n\u003ch3\u003e✅ Direct-Fit Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eYanmar Engines:\u003c\/strong\u003e 3TNV84, 3TNV88 (3-cylinder compact diesel)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKomatsu Engines:\u003c\/strong\u003e 3D84E-5, S3D84E-5, 3D88E, 3D88E-5, 3D88E-6 (Yanmar-sourced, 3-cylinder)\u003c\/li\u003e\n  \u003cli\u003eSuitable for mini excavators, compact wheel loaders, and utility equipment fitted with these engines\u003c\/li\u003e\n  \u003cli\u003eBolt-on replacement — no modifications required\u003c\/li\u003e\n\u003c\/ul\u003e\n\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\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\u003eDual-Brand Coverage:\u003c\/strong\u003e One part number covers both Yanmar (3TNV84\/3TNV88) and Komatsu (3D84E\/3D88E) engine variants\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e6 Cross-Reference Formats:\u003c\/strong\u003e Covers 729004-53101 with Y and YM prefixes in both hyphenated and unhyphenated formats\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\n\u003ch3\u003e📦 What's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Fuel Injector (729004-53101)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e🔑 Key Specs\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Numbers:\u003c\/strong\u003e 729004-53101, 72900453101, YM729004-53101, YM72900453101, Y729004-53101, Y72900453101\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eYanmar Engines:\u003c\/strong\u003e 3TNV84, 3TNV88 (3-cylinder compact diesel)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKomatsu Engines:\u003c\/strong\u003e 3D84E-5, S3D84E-5, 3D88E, 3D88E-5, 3D88E-6\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\u003eApplication:\u003c\/strong\u003e Mini excavators, compact wheel loaders, utility equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNeed a complete 3-cylinder set? Contact us for 3-pack availability. Please verify your 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":47151326527644,"sku":"729004-53101","price":43.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/7843\/8300\/files\/1-pc-fuel-injector-729004-53101-for-yanmar-3tnv84-3tnv88-komatsu-3d84e-5-s3d84e-5-3d88e-6-3d88e-3d88e-5-engine-5570558.png?v=1783064892","url":"https:\/\/fuelpartsdepot.com\/products\/1-pc-fuel-injector-729004-53101-for-yanmar-3tnv84-3tnv88-komatsu-3d84e-5-s3d84e-5-3d88e-6-3d88e-3d88e-5-engine","provider":"Fuel Parts Depot","version":"1.0","type":"link"}