{"product_id":"ym12390042100-12390042100-ym123900-42100-water-pump-123900-42100-fits-komatsu-loader-wb140ps-2-wb140ps-2","title":"Water Pump 123900-42100 YM123900-42100 for Yanmar 4D106 Engine Komatsu WB140PS-2 Backhoe Loader","description":"\u003ch3\u003e✅ Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMake:\u003c\/strong\u003e Komatsu \/ Yanmar\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Numbers:\u003c\/strong\u003e 123900-42100, YM123900-42100, 123900-42101\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Yanmar Engines:\u003c\/strong\u003e 4D106D — 4D106-1FB — 4D106-2SFA — 4D106-2SFB — 4D106E — S4D106-2SFA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits Komatsu Equipment:\u003c\/strong\u003e WB140PS-2 Backhoe Loader\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e🔑 Key Specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Numbers:\u003c\/strong\u003e 123900-42100, YM123900-42100, 123900-42101\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Engine coolant water pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngines:\u003c\/strong\u003e Yanmar 4D106D \/ 4D106-1FB \/ 4D106-2SFA \/ 4D106-2SFB \/ 4D106E \/ S4D106-2SFA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment:\u003c\/strong\u003e Komatsu WB140PS-2 backhoe loader\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New Aftermarket — \u003cstrong\u003eSKU:\u003c\/strong\u003e 123900-42100\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e📦 What's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1× Water Pump (Yanmar 123900-42100 \/ YM123900-42100)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e🔧 Product Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCovers all Yanmar 4D106 engine variants (4D106D, 4D106E, S4D106-2SFA, and sub-variants) in the Komatsu WB140PS-2 backhoe loader — available in both \u003cstrong\u003eYM-prefix and standard formats\u003c\/strong\u003e for broadest parts lookup compatibility.\u003c\/li\u003e\n\u003cli\u003eWater pump failure causes \u003cstrong\u003eengine overheating and coolant loss\u003c\/strong\u003e on high-hours Komatsu backhoe loaders — replacement restores full cooling system performance and protects the Yanmar 4D106 engine from heat damage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e⚠️ Verify Komatsu model, engine S\/N, and existing water pump part number before purchasing. Contact us if unsure — we are happy to confirm fitment.\u003c\/em\u003e\u003c\/p\u003e","brand":"Fuel Parts Depot","offers":[{"title":"Default Title","offer_id":47551089639580,"sku":"123900-42100","price":172.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/7843\/8300\/files\/water-pump-123900-42100-ym123900-42100-for-yanmar-4d106-engine-komatsu-wb140ps-2-backhoe-loader-9775896.png?v=1788887543","url":"https:\/\/fuelpartsdepot.com\/en-gb\/products\/ym12390042100-12390042100-ym123900-42100-water-pump-123900-42100-fits-komatsu-loader-wb140ps-2-wb140ps-2","provider":"Fuel Parts Depot","version":"1.0","type":"link"}