{"product_id":"hella-marine-vacuum-pump-7-24807-29-0-brake-booster","title":"Hella Marine Vacuum Pump 7.24807.29.0 for Power Brake Booster","description":"\u003cp class=\"nvn-hero\"\u003eThe Hella Marine 7.24807.29.0 is a mechanical, gear-driven vacuum pump that feeds a power brake booster, keeping the pedal firm and the brakes assisting the way they should. It's a vane-type pump with a single blade pin terminal, built as a direct replacement to bring a tired braking system back to spec.\u003c\/p\u003e\n\n\u003cdiv class=\"nvn-description\"\u003e\n\u003cp\u003eThe Hella Marine 7.24807.29.0 is a mechanical vacuum pump built to feed a power brake booster. On a lot of diesel engines, and plenty of turbocharged and direct-injection gas engines too, the intake manifold just doesn't pull enough vacuum on its own to run the brakes. That's where a dedicated pump like this one comes in. It generates the steady vacuum your booster needs so the pedal stays firm and the brakes assist the way the driver expects.\u003c\/p\u003e\n\u003cp\u003eThis is a vane-type pump. Inside the housing, a rotor spins with sliding vanes that sweep air out of the booster circuit and build vacuum on every revolution. It's a simple, proven layout that's been moving air in braking systems for decades, and there's not much to go wrong with it when it's built right. Hella Marine has a long track record with this kind of pump, and the fit-and-forget philosophy the brand is known for carries over here.\u003c\/p\u003e\n\u003cp\u003eIt's gear driven, so it takes its drive straight off the engine's gear train rather than a belt. That means it's turning whenever the engine is running, pulling vacuum from the moment you start up. No warm-up, no lag, no waiting for an electric pump to catch up. The one blade pin terminal handles the electrical connection for the pump's switch or sensor feedback, so the system knows what the pump is doing.\u003c\/p\u003e\n\u003cp\u003eWhy does any of this matter? Because the brake booster is what turns an ordinary pedal push into real stopping force. Lose vacuum and the pedal goes hard, travel gets long, and stopping distances climb. A tired vacuum pump is one of the most common reasons a brake pedal starts feeling wrong on a higher-mileage engine. If you're chasing a hard pedal, a whine that rises with engine speed, or oil weeping from the pump body, the vacuum pump is worth a hard look before you start throwing parts at the booster or master cylinder.\u003c\/p\u003e\n\u003cp\u003eReplacing the pump with a quality unit brings the braking system back to spec. This is genuine Hella Marine hardware, part number 7.24807.29.0, so the fitment, the drive, and the terminal all match what the engine was designed around. That's the difference between a repair that lasts and one that has you back under the hood in a season. When you're servicing a brake system, the vacuum side is not the place to cut corners.\u003c\/p\u003e\n\u003cp\u003eInstallation is a job most competent techs and hands-on owners can handle with common tools, but it pays to be methodical. Confirm the pump is the source of your vacuum problem first. Check the drive interface and gasket surfaces, prime and bleed the system per the engine's service procedure, and verify the electrical connection to the blade terminal is clean and tight. Corrosion at the terminal is a known nuisance on these pumps, so a little dielectric grease and a solid connection go a long way. Once it's in, test the pedal with the engine off and running to confirm the booster is holding vacuum the way it should.\u003c\/p\u003e\n\u003cp\u003eWho's this for? Anyone servicing a vehicle or piece of equipment that runs a mechanical, gear-driven vacuum pump for the brakes. It's a repair part, not an upgrade, so match it to your application by the Hella Marine part number and confirm your existing pump shares the vane, gear-drive, and single-blade-terminal layout. If your setup uses an electric vacuum pump or a different drive, this isn't the one. But if it's a direct replacement for what came off, you're getting the right pump for the job, backed by a brand that built its name on parts you install once and forget about.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"nvn-features\"\u003e\n  \u003cli\u003eMechanical vane pump design pulls steady vacuum on every revolution for consistent brake booster assist\u003c\/li\u003e\n  \u003cli\u003eGear-driven off the engine's gear train, so it's building vacuum the moment the engine starts, no belt and no lag\u003c\/li\u003e\n  \u003cli\u003eFeeds the power brake booster to keep pedal effort low and stopping distances short\u003c\/li\u003e\n  \u003cli\u003eOne blade pin terminal handles the pump's switch or sensor connection for straightforward wiring\u003c\/li\u003e\n  \u003cli\u003eGenuine Hella Marine part number 7.24807.29.0 for correct fitment, drive interface, and terminal match\u003c\/li\u003e\n  \u003cli\u003eVane-type layout is a simple, proven mechanism with few wear points when properly maintained\u003c\/li\u003e\n  \u003cli\u003eDirect replacement for a worn or leaking factory vacuum pump, restoring braking back to spec\u003c\/li\u003e\n  \u003cli\u003eBacked by Hella Marine fit-and-forget engineering and full manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"nvn-trust\"\u003e\n  \u003ch2\u003eWhy Buy from NVN Marine\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eAuthorized Hella Marine reseller, full manufacturer warranty\u003c\/li\u003e\n    \u003cli\u003eNMEA member and ABYC certified, advice from real boat techs\u003c\/li\u003e\n    \u003cli\u003eSame-day shipping before 3 PM ET on in-stock items\u003c\/li\u003e\n    \u003cli\u003eNY headquarters and Fort Lauderdale flagship retail store\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"nvn-faq\"\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat does this vacuum pump do?\u003c\/summary\u003e\n    \u003cp\u003eIt creates the vacuum your power brake booster needs. On many diesel and modern turbo or direct-injection engines the intake manifold can't supply enough vacuum on its own, so this pump feeds the booster so the brake pedal stays firm and assisted.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this a mechanical or electric pump?\u003c\/summary\u003e\n    \u003cp\u003eIt's a mechanical pump. It's driven off the engine's gear train rather than running on electric power, so it turns whenever the engine is running.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow is the pump driven?\u003c\/summary\u003e\n    \u003cp\u003eIt's gear driven, taking its drive directly from the engine's gear train. There's no belt involved, and it starts pulling vacuum as soon as the engine fires up.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat type of pump is it?\u003c\/summary\u003e\n    \u003cp\u003eA vane pump. A rotor with sliding vanes sweeps air out of the circuit to build vacuum. It's a simple, proven design with few moving parts.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is the one blade pin terminal for?\u003c\/summary\u003e\n    \u003cp\u003eThe single blade pin terminal is the electrical connection for the pump's switch or sensor, letting the system monitor the pump. Keep the terminal clean and tight, since corrosion there is a common nuisance.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I know if my vacuum pump is failing?\u003c\/summary\u003e\n    \u003cp\u003eCommon signs are a hard brake pedal, longer pedal travel, a whine that rises with engine speed, or oil weeping from the pump body. Confirm the pump is the cause before replacing the booster or master cylinder.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWill this fit my vehicle?\u003c\/summary\u003e\n    \u003cp\u003eMatch it by the Hella Marine part number 7.24807.29.0 and confirm your existing pump shares the vane, gear-drive, and single-blade-terminal layout. If your setup uses an electric pump or a different drive, this isn't the right part.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this a genuine Hella Marine part?\u003c\/summary\u003e\n    \u003cp\u003eYes. It's genuine Hella Marine hardware, part number 7.24807.29.0, so the fitment, drive interface, and terminal match what the engine was designed around.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs it an upgrade or a replacement?\u003c\/summary\u003e\n    \u003cp\u003eIt's a direct replacement part, not a performance upgrade. Installed correctly, it brings a worn or leaking braking system's vacuum supply back to spec.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"nvn-specs\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eTitle\u003c\/th\u003e\n\u003ctd\u003eHella Marine Vacuum Pump 7.24807.29.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eHella Marine\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003e7.24807.29.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eUPC\u003c\/th\u003e\n\u003ctd\u003e4028977507434\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eKeystone Part Number\u003c\/th\u003e\n\u003ctd\u003e724807290\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eVacuum Pump\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eSystem\u003c\/th\u003e\n\u003ctd\u003eBrake System\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eFor Use With Power Brake Booster\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eOperation\u003c\/th\u003e\n\u003ctd\u003eMechanical\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003ePump Type\u003c\/th\u003e\n\u003ctd\u003eVane Pump\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eDrive Type\u003c\/th\u003e\n\u003ctd\u003eGear Drive\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eTerminal\u003c\/th\u003e\n\u003ctd\u003eOne Blade Pin Terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What does this vacuum pump do?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It creates the vacuum your power brake booster needs. On many diesel and modern turbo or direct-injection engines the intake manifold can't supply enough vacuum on its own, so this pump feeds the booster so the brake pedal stays firm and assisted.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is this a mechanical or electric pump?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It's a mechanical pump. It's driven off the engine's gear train rather than running on electric power, so it turns whenever the engine is running.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How is the pump driven?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It's gear driven, taking its drive directly from the engine's gear train. There's no belt involved, and it starts pulling vacuum as soon as the engine fires up.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What type of pump is it?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"A vane pump. A rotor with sliding vanes sweeps air out of the circuit to build vacuum. It's a simple, proven design with few moving parts.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What is the one blade pin terminal for?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The single blade pin terminal is the electrical connection for the pump's switch or sensor, letting the system monitor the pump. Keep the terminal clean and tight, since corrosion there is a common nuisance.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How do I know if my vacuum pump is failing?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Common signs are a hard brake pedal, longer pedal travel, a whine that rises with engine speed, or oil weeping from the pump body. Confirm the pump is the cause before replacing the booster or master cylinder.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Will this fit my vehicle?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Match it by the Hella Marine part number 7.24807.29.0 and confirm your existing pump shares the vane, gear-drive, and single-blade-terminal layout. If your setup uses an electric pump or a different drive, this isn't the right part.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is this a genuine Hella Marine part?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. It's genuine Hella Marine hardware, part number 7.24807.29.0, so the fitment, drive interface, and terminal match what the engine was designed around.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is it an upgrade or a replacement?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It's a direct replacement part, not a performance upgrade. Installed correctly, it brings a worn or leaking braking system's vacuum supply back to spec.\"\n            }\n        }\n    ]\n}\n\u003c\/script\u003e\n","brand":"Hella Marine","offers":[{"title":"Default Title","offer_id":44998326648925,"sku":"2007647","price":386.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0299\/7266\/0317\/files\/ImageServerAPI_925ebfe8-7846-4754-9a9a-9272a189e379.png?v=1788672933","url":"https:\/\/nvnmarine.com\/products\/hella-marine-vacuum-pump-7-24807-29-0-brake-booster","provider":"NVN Marine","version":"1.0","type":"link"}