{"product_id":"brake-fluid-tester","title":"KINGBOLEN Brake Fluid Liquid Tester Pen","description":"\u003cdiv class=\"amazon-product-description\"\u003e\n\u003cp\u003eKINGBOLEN Brake Fluid Tester — pen-style brake fluid moisture tester with 5 LED indicators, calibrated for DOT3 and DOT4 brake fluid.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eQuickly test brake fluid quality and moisture content to know when fluid replacement is needed.\u003c\/li\u003e\n\u003cli\u003e5 LED indicators show water percentage with green \/ yellow \/ red status lights.\u003c\/li\u003e\n\u003cli\u003eCalibrated for DOT3 and DOT4 brake fluids (DOT4 is used in most cars produced since 2006).\u003c\/li\u003e\n\u003cli\u003eResults in seconds — simple one-button operation.\u003c\/li\u003e\n\u003cli\u003eProtective cap included; CE and RoHS approved.\u003c\/li\u003e\n\u003cli\u003ePowered by 1 × AAA \/ 1.5V battery (not included); auto power-off after about 12 seconds of inactivity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHow to use:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePress the top button to turn on — a green light should light up (if not, replace the battery). Unscrew the vehicle brake fluid reservoir lid and remove the tester cap. Dip the probes into the fluid; LEDs show moisture percentage. After testing, reseal the reservoir tightly.\u003c\/p\u003e\n\u003cp style=\"margin: 12px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0815\/7727\/9725\/files\/02_60eff000-5e9a-4ec5-abe1-e4847b3dc6b2.jpg?v=1785808790\" alt=\"KINGBOLEN Brake Fluid Tester\" style=\"max-width: 100%; height: auto; display: block;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLED reading guide\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eGreen: no water. Green\/Yellow: less than 1% water. Green\/Yellow\/Yellow: about 2% water. Green\/Yellow\/Yellow\/Red: about 3% (replace recommended). Green\/Yellow\/Yellow\/Red\/Red: about 4% (replace urgently).\u003c\/p\u003e\n\u003cp style=\"margin: 12px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0815\/7727\/9725\/files\/03_9c982b08-194b-4665-9855-c6aedfecd42b.jpg?v=1785808790\" alt=\"KINGBOLEN Brake Fluid Tester\" style=\"max-width: 100%; height: auto; display: block;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy test brake fluid?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e \u003c\/strong\u003eBrake fluid absorbs moisture from the air over time. Higher water content lowers boiling point and can reduce braking performance. Regular checks help prevent brake-related safety issues.\u003c\/p\u003e\n\u003cp style=\"margin: 12px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0815\/7727\/9725\/files\/04_19e012a6-397f-4c00-8199-24f05ed25fed.jpg?v=1785808790\" alt=\"KINGBOLEN Brake Fluid Tester\" style=\"max-width: 100%; height: auto; display: block;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCare tips\u003c\/strong\u003e: Wash the probe with tap water after every use. Avoid prolonged exposure of brake fluid to air. If fluid contacts skin or clothing, wash thoroughly with water.\u003c\/p\u003e\n\u003cp style=\"margin: 12px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0815\/7727\/9725\/files\/06_1951e70d-8d9f-4920-b8d0-2950d39c46aa.jpg?v=1785808790\" alt=\"KINGBOLEN Brake Fluid Tester\" style=\"max-width: 100%; height: auto; display: block;\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Kingbolen","offers":[{"title":"Default Title","offer_id":50383368913133,"sku":"SP203-G","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0815\/7727\/9725\/files\/01_3e954b70-d5d2-4657-97fa-e26c9466c42d.jpg?v=1785808790","url":"https:\/\/ediagtool.com\/ja\/products\/brake-fluid-tester","provider":"EDIAG","version":"1.0","type":"link"}