{"product_id":"maxpeedingrods-12v-electric-vacuum-pump-kit-for-brake-booster-inline-switch-relay-intermittent-duty","title":"maXpeedingrods 12V Electric Vacuum Pump Kit for Brake Booster — Inline Switch, Relay \u0026 Intermittent Duty","description":"\u003cp\u003e\u003cstrong\u003emaXpeedingrods 28146 is a 12V electric vacuum pump kit designed to supply consistent vacuum to a vehicle's brake booster when engine vacuum is insufficient.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact kit includes an efficient electric pump, an inline vacuum switch, relay and distributor, wiring with pre-crimped terminals, and mounting hardware to simplify installation. It’s engineered to run intermittently—only when vacuum falls below the preset threshold—reducing continuous motor wear and audible operation. The system is suitable for cars or trucks that lack adequate vacuum at idle or under certain loads and where a reliable supplementary vacuum source is required.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the pump detect when to run?\u003c\/h3\u003e\n\u003cp\u003eThe kit features a self-adjusting inline vacuum switch that monitors booster vacuum and cycles the pump automatically. When vacuum drops under the set lower limit the pump engages, and it shuts off once vacuum rises above the higher set point—preventing unnecessary operation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFactory switch typically engages when vacuum falls near 18 inHg and disengages around 22 inHg.\u003c\/li\u003e\n  \u003cli\u003eSwitch response helps maintain stable booster assist under variable engine conditions.\u003c\/li\u003e\n  \u003cli\u003eRelay and distributor coordinate pump power for safe cycling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this noisy and how is noise minimized?\u003c\/h3\u003e\n\u003cp\u003eThe maXpeedingrods pump is designed for intermittent operation rather than continuous running, which reduces overall noise. The control switch cycles the motor only as needed, so you’ll usually hear it briefly during low-vacuum events rather than a constant hum.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIntermittent duty lowers audible runtime compared with always-on units.\u003c\/li\u003e\n  \u003cli\u003eCompact motor housing and mounting hardware limit vibration transfer.\u003c\/li\u003e\n  \u003cli\u003eInstall location recommendations in the manual help reduce cabin noise exposure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat’s included and how difficult is installation?\u003c\/h3\u003e\n\u003cp\u003eThe kit ships with the pump assembly, vacuum switch, relay, distributor, pre-cut wiring with terminals, and brackets\/fasteners. It’s built to bolt close to the booster and requires standard hand tools; basic mechanical skill is sufficient for most installs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAll necessary mounting hardware and pre-terminated wires are supplied.\u003c\/li\u003e\n  \u003cli\u003eConnects directly to the booster vacuum line using included fittings.\u003c\/li\u003e\n  \u003cli\u003eTypical install involves mounting the pump, wiring to 12V and ground through the relay, and plumbing to the booster.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this work with my vehicle and what should I check?\u003c\/h3\u003e\n\u003cp\u003eThe pump is intended for vehicles that produce low manifold vacuum at idle or under load and can be fitted to most systems that accept an auxiliary vacuum source. Verify space for mounting and compare existing vacuum line fittings before purchasing to ensure compatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSuitable for cars with 15 inHg or less vacuum at idle where extra assist is needed.\u003c\/li\u003e\n  \u003cli\u003eConfirm available 12V power and a nearby ground point for relay wiring.\u003c\/li\u003e\n  \u003cli\u003eMeasure accessible vacuum hose ID and routing to plan plumbing and mounting location.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The maXpeedingrods 28146 12V Electric Vacuum Pump Kit is made for DIY mechanics, performance tuners, and vehicle owners facing low brake-booster vacuum due to engine modifications, forced-induction setups, aging manifolds, or heavy-duty use. It’s also useful for older vehicles with diminished idle vacuum. If you need a supplemental, automatically controlled vacuum source that installs with common tools and includes the necessary electrical and mounting components, this kit offers a compact, ready-to-fit solution. For specific vehicle fitment questions or installation guidance, maXpeedingrods customer support can assist.\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: Will this pump work with my car's brake booster?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit fits most systems needing extra vacuum—confirm booster hose size, mounting space, and 12V availability before buying.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How loud is the electric vacuum pump?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Noise is minimal because the pump cycles only when vacuum is low, resulting in brief, occasional operation rather than constant sound.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"maXpeedingrods","offers":[{"title":"Default Title","offer_id":48081498177694,"sku":"B07WHS6R8V","price":289.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/maxpeedingrods-pump-front-assembly.jpg?v=1785806787","url":"https:\/\/northtrailauto.ca\/products\/maxpeedingrods-12v-electric-vacuum-pump-kit-for-brake-booster-inline-switch-relay-intermittent-duty","provider":"North Trail Auto","version":"1.0","type":"link"}