{"product_id":"liquid-wrench-penetrating-oil-spray-11-oz-4-pack-fast-acting-cerflon-formula-for-seized-bolts-and-rusted-hardware","title":"Liquid Wrench penetrating oil spray 11 oz – 4‑pack, fast‑acting Cerflon formula for seized bolts and rusted hardware","description":"\u003cstrong\u003eLiquid Wrench L112 penetrating oil spray is a fast-acting, Cerflon-enhanced formula that loosens rusted parts and frees stuck bolts, nuts, hinges and fittings.\u003c\/strong\u003e\n\nLiquid Wrench’s L112 comes as an 11‑ounce aerosol and is sold in a convenient case of four, designed for mechanics, tradespeople and DIYers who routinely tackle seized fasteners and corroded hardware. The formulation is engineered to wick into threads and seams, dissolve rust and cut through grime while remaining low‑odor, 0% VOC and safe on painted surfaces, plastics and PVC. Made in the USA by a family company with over 75 years of industry experience, this product balances aggressive penetration with user-friendly handling.\n\n\u003ch3\u003eHow quickly will L112 free a stuck bolt or hinge?\u003c\/h3\u003e\n\u003cp\u003eIn many situations the oil begins to seep into corrosion and weakened bonds within minutes, and loosening can often be achieved after a short dwell time with light tapping or turning. Heavily seized fasteners may require repeated applications and a longer soak to fully break down rust.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFast initial penetration to break surface rust;\u003c\/li\u003e\n  \u003cli\u003eUse short dwell times for light corrosion; reapply for stubborn joins;\u003c\/li\u003e\n  \u003cli\u003eTaps or gentle heat help accelerate release after soaking.\u003c\/li\u003e\n  \u003cli\u003eComes as an 11 oz aerosol for targeted spray application.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this product safe to use on painted metal, plastic, or PVC?\u003c\/h3\u003e\n\u003cp\u003eLiquid Wrench L112 is formulated to be safe on painted surfaces, plastics and PVC when used as directed, minimizing concern for visible damage during typical maintenance tasks. As with all aerosol lubricants, test a small hidden area if surface compatibility is critical.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLow‑odor, 0% VOC formula reduces fumes and complies with all 50 states;\u003c\/li\u003e\n  \u003cli\u003eSafe for many painted finishes, plastics and PVC under normal use;\u003c\/li\u003e\n  \u003cli\u003eWipe excess away to avoid surface residue buildup;\u003c\/li\u003e\n  \u003cli\u003eManufactured in the USA by Liquid Wrench.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the most common uses for this penetrating oil?\u003c\/h3\u003e\n\u003cp\u003eL112 is intended for a wide range of maintenance and repair tasks where corrosion or grime prevents movement. It works well on automotive, plumbing, workshop and household hardware to restore functionality without aggressive mechanical disassembly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFrees rusty nuts, bolts, hinges and clamps;\u003c\/li\u003e\n  \u003cli\u003eLoosens pipe fittings, nozzles and hose connections;\u003c\/li\u003e\n  \u003cli\u003eRestores locks, latches and frozen mechanisms;\u003c\/li\u003e\n  \u003cli\u003eUseful for shop, garage, jobsite and home maintenance tasks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I apply and store L112 penetrating oil safely?\u003c\/h3\u003e\n\u003cp\u003eShake the can, aim the spray at the target from a short distance and allow time for the formula to penetrate. Store aerosol cans in a cool, dry place away from heat sources and direct sunlight, and follow standard safety precautions on the label.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eShake can before use and spray directly onto rusted area;\u003c\/li\u003e\n  \u003cli\u003eAllow several minutes to soak; repeat for stubborn corrosion;\u003c\/li\u003e\n  \u003cli\u003eKeep away from open flame and store below recommended temperatures;\u003c\/li\u003e\n  \u003cli\u003eDispose of empty cans according to local hazardous waste rules.\u003c\/li\u003e\n\u003c\/ul\u003e\n\nWho is this for\n\nIf you maintain vehicles, manage building or plumbing repairs, run a fabrication or maintenance shop, or enjoy hands‑on weekend projects, this case of four 11 oz. Liquid Wrench L112 cans offers a dependable penetrating oil ready for routine use and emergency freeing tasks. It’s tailored to professionals and serious DIYers who need a fast, compliant product that reduces downtime and protects common surfaces during loosening operations.\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long should I let L112 soak on a corroded fastener?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Allow several minutes for light rust; reapply and wait longer for heavy corrosion. Gentle tapping or heat speeds penetration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is L112 safe for painted and plastic parts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—L112 is low‑odor and formulated to be safe on painted surfaces, plastic and PVC when used as directed. Test an inconspicuous area if unsure.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Liquid Wrench","offers":[{"title":"Default Title","offer_id":48086771400862,"sku":"B00J5LZ5KA","price":52.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/liquid-wrench-front-can-l112_5cba6fbc-dc25-4402-8fd1-8277df4b269c.jpg?v=1785904381","url":"https:\/\/northtrailauto.ca\/products\/liquid-wrench-penetrating-oil-spray-11-oz-4-pack-fast-acting-cerflon-formula-for-seized-bolts-and-rusted-hardware","provider":"North Trail Auto","version":"1.0","type":"link"}