how to fix engine oil leak

{"cid":"91199069","title":"All-in-One Oil Seal Kit for Komatsu PC200-8 PC200-8MO HPV95 Hydraulic Pump | Complete Seal Set 708-2L-00490 | 708-2L-00400 | Fix Leaks","imgUrl":"https:\/\/img.chinax.com\/nimg\/31\/77\/2422628e013cef6fc221c7f38be4-200x200-1.jpg","attrs":{"Price":"Negotiations","Brand Name":"MIDAO","Model Number":"Komatsu PC200-8 PC200-8MO HPV95 708-2L-00490 & 708-2L-00400","Minimum Order Quantity":"Accept trial order","Delivery Time":"3-8 Days After Payment Received","Place of Origin":"Guangdong,CHINA","Certifiion":"ISO9001","Payment Terms":"L\/C,T\/T,Western Union,MoneyGram,Alipay","Supply Ability":"500 Sets per week","Packaging Details":"carton box outside","Application":"Excavator \/ Loader","Color":"As pictures shown","Available":"Have Stock","Feature":"Oil Resistance, Wear resistance, Corrosion resistance, Great Wearable","Temperature":"According To The material","Material":"Metal & PTFE","TYPE OF SHIPPING:":"Shipping By Sea, By Train, Air Express, DHL, EMS, FADEX","High Light":"All-in-One Oil Seal Kit for Komatsu PC200-8 PC200-8MO HPV95 Hydraulic Pump | Complete Seal Set 708-2L-00490 & 708-2L-00400 | Fix Leaks"}}

{"cid":"91220625","title":"ZPY Engine Seal Repair Kit 04E198012 for VW Audi Porsche","imgUrl":"https:\/\/img.chinax.com\/nimg\/69\/27\/5198a2e784fc1d5f7b7e5ad16bf1-200x200-1.jpg","attrs":{"Price":"42.98~53.98USD","Brand Name":"ZPY","Model Number":"04E 198 012","Minimum Order Quantity":"1 Piece","Delivery Time":"3day","Place of Origin":"GUANGZHOU","Payment Terms":"L\/C, T\/T, Western Union","Supply Ability":"200","Packaging Details":"Color box; Polyethylene bag; Carton.","OE NO.":"04E 198 012","Car Fitment":"VW,Audi","Type":"Engine Seal Repair Kit","Car Make":"for Audi VW Porsche","Product Name":"Auto parts","Car maker":"Automotive Spare Parts","Application":"Germany Cars","Payment Methods":"for Audi VW Porsche"}}

{"cid":"91221674","title":"K114 CVT Transmission Rear Cover For 2019 Toyota C-HR 2.0L CVT \u2013 OEM Quality Replacement Housing","imgUrl":"https:\/\/img.chinax.com\/nimg\/af\/28\/00b912163ed6e6667e4c16b28465-200x200-1.jpg","attrs":{"Price":"0-1000","Brand Name":"Toyota","Model Number":"K114","Minimum Order Quantity":"1","Delivery Time":"5-8 work day","Payment Terms":"T\/T","Packaging Details":"Wooden box or cardboard box","Year\uff1a":"2018-2022","MODEL\uff1a":"K114","SIZE:":"38X30X20CM","Brand\uff1a":"TOYOTA","Item Weight:":"9kg","\uff2f\uff25\uff2e\uff2f":"K114100301K;K114HG5K","Applicable Brand:":"C-HR 2.0L"}}