{"product_id":"kacola-fuel-pump-relay-kit-40a-waterproof-heavy-duty-12v-relay-with-long-tinned-copper-leads-sealed-inline-fuse","title":"KACOLA Fuel Pump Relay Kit 40A Waterproof — Heavy‑Duty 12V Relay with Long Tinned Copper Leads \u0026 Sealed Inline Fuse","description":"\u003cp\u003e\u003cstrong\u003eThe KACOLA Electric Fuel Pump Relay Kit is a heavy-duty 40‑amp waterproof relay set with long, tinned copper wires and a 30A inline waterproof fuse box designed to deliver stable 12V power to fuel pumps and other 12V devices up to 40A.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen an aftermarket or worn electrical circuit struggles to supply consistent voltage to a fuel pump, a dedicated relay kit restores reliable current flow while protecting the vehicle’s wiring. This KACOLA kit bundles a weatherproof 40A relay, rugged long leads made from tinned copper, a sealed inline fuse housing, and color-coded connectors and diagrams to simplify wiring. The components are built for resistance to corrosion and harsh environments so they remain dependable in typical automotive conditions.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this relay kit improve fuel pump performance?\u003c\/h3\u003e\n\u003cp\u003eBy routing pump power through a dedicated heavy‑duty relay, the kit minimizes voltage drop at the pump and reduces strain on factory switches and harnesses. The result is steadier pump output and less heat build‑up in original wiring.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e40A relay provides sufficient current for most 12V pumps\u003c\/li\u003e\n  \u003cli\u003eLong tinned copper leads reduce resistance and oxidation\u003c\/li\u003e\n  \u003cli\u003eInline fuse protects against overloads and short circuits\u003c\/li\u003e\n  \u003cli\u003eSealed components keep connections reliable in wet conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes installation straightforward for DIYers?\u003c\/h3\u003e\n\u003cp\u003eThe kit includes a clear wiring diagram plus color-coded wires and connectors so installers can match circuits quickly without guesswork. Basic hand tools and common automotive wiring knowledge are typically all that's needed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eColor-coded wiring to follow the diagram easily\u003c\/li\u003e\n  \u003cli\u003eStandard relay socket and common terminal types for compatibility\u003c\/li\u003e\n  \u003cli\u003eMounting options for relay and fuse box included\u003c\/li\u003e\n  \u003cli\u003ePre-terminated connectors speed up crimping and hookup\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this kit durable enough for harsh driving conditions?\u003c\/h3\u003e\n\u003cp\u003eComponents are selected for longevity: tinned copper wiring resists corrosion better than bare copper, and the relay and fuse box are designed to shed moisture and prevent contact degradation. That makes the kit suitable for engine bays and other exposed locations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTinned copper wiring limits oxidation and extends service life\u003c\/li\u003e\n  \u003cli\u003eWaterproof fuse box reduces risk of moisture-related failures\u003c\/li\u003e\n  \u003cli\u003e40A heavy‑duty relay withstands higher current demands\u003c\/li\u003e\n  \u003cli\u003eRobust insulation and connectors for vibration resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles and devices work with this KACOLA kit?\u003c\/h3\u003e\n\u003cp\u003eThe relay assembly handles any 12V‑activated device drawing up to 40 amps, so it’s versatile across many fuel pumps and electrical accessories. It’s an easy upgrade for older wiring or when installing high‑performance pumps.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with most 12V automotive fuel pumps and accessories\u003c\/li\u003e\n  \u003cli\u003eWorks with factory or aftermarket wiring harnesses\u003c\/li\u003e\n  \u003cli\u003eIdeal for vehicles needing upgraded current capacity\u003c\/li\u003e\n  \u003cli\u003eAlso suitable for auxiliary 12V devices within 40A limit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Drivers, mechanics, and DIY enthusiasts who need a reliable way to deliver steady 12V power to a fuel pump or similar accessory will benefit from the KACOLA Electric Fuel Pump Relay Kit. It's particularly useful for anyone replacing a failing relay or harness, installing a higher‑flow pump, restoring older vehicles with corroded wiring, or adding aftermarket electrical components that require a dedicated, protected power feed.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can this relay kit handle high‑flow fuel pumps?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the 40A relay supports most 12V fuel pumps drawing up to 40 amps; check your pump's current draw first.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit include a waterproof fuse holder?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It comes with a sealed inline fuse housing to protect the circuit from moisture and short circuits.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"KACOLA","offers":[{"title":"Default Title","offer_id":48085575860382,"sku":"B0CNVRTNPY","price":37.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/kacola-relay-kit-front-packaging.jpg?v=1785873735","url":"https:\/\/northtrailauto.ca\/products\/kacola-fuel-pump-relay-kit-40a-waterproof-heavy-duty-12v-relay-with-long-tinned-copper-leads-sealed-inline-fuse","provider":"North Trail Auto","version":"1.0","type":"link"}