{"product_id":"granatelli-12v-electric-brake-booster-vacuum-pump-system-black-enclosure-410101b","title":"12V Electric Brake Booster Vacuum Pump System – Black Enclosure – 410101B - Granatelli Motor Sports","description":"\u003cdiv class=\"gms-vacuum-pump\" style=\"background:#edf1f4; padding:18px; border-radius:14px;\"\u003e\n\n\u003c!-- HERO --\u003e\n\u003cdiv style=\"border:2px solid #5f7483; border-left:7px solid #3d6f8f; border-radius:12px; padding:27px 25px; margin-bottom:20px; background:#f8fafb; box-shadow:0 4px 14px rgba(0,0,0,0.08);\"\u003e\n\n\u003cp style=\"font-size:12px; font-weight:900; letter-spacing:1.6px; color:#3d6f8f; margin:0 0 7px;\"\u003eGRANATELLI 12V VACUUM SUPPORT SYSTEM\u003c\/p\u003e\n\n\u003ch2 style=\"font-size:28px; line-height:1.3; font-weight:900; color:#17232b; margin:0 0 11px;\"\u003eCAMMED. BOOSTED. ENGINE-SWAPPED. YOUR BRAKE BOOSTER STILL NEEDS VACUUM.\u003c\/h2\u003e\n\n\u003cp style=\"font-size:16px; line-height:1.75; color:#26343c; margin:0 0 10px;\"\u003eThe \u003cstrong\u003eGranatelli 410101B 12-Volt Electric Brake Vacuum Pump Kit\u003c\/strong\u003e provides supplemental vacuum for power brake boosters when engine vacuum is too low or inconsistent for dependable brake assist.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px; line-height:1.75; color:#26343c; margin:0;\"\u003eDesigned for \u003cstrong\u003ecammed vehicles, turbocharged and supercharged combinations, LS swaps, street rods and custom builds\u003c\/strong\u003e, the system automatically activates when vacuum drops and shuts itself off once the proper vacuum level is restored.\u003c\/p\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- QUICK SPECS --\u003e\n\u003cdiv style=\"border:2px solid #415865; border-radius:12px; overflow:hidden; margin-bottom:20px; background:#324650;\"\u003e\n\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\n\u003ctd style=\"width:25%; padding:18px 10px; text-align:center; border-right:1px solid #617681;\"\u003e\n\u003cdiv style=\"font-size:21px; font-weight:900; color:#ffffff;\"\u003e12 VOLT\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; letter-spacing:1px; color:#a9c9db; margin-top:4px;\"\u003eELECTRIC PUMP\u003c\/div\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width:25%; padding:18px 10px; text-align:center; border-right:1px solid #617681;\"\u003e\n\u003cdiv style=\"font-size:21px; font-weight:900; color:#ffffff;\"\u003e17–23\"\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; letter-spacing:1px; color:#a9c9db; margin-top:4px;\"\u003einHg VACUUM RANGE\u003c\/div\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width:25%; padding:18px 10px; text-align:center; border-right:1px solid #617681;\"\u003e\n\u003cdiv style=\"font-size:19px; font-weight:900; color:#ffffff;\"\u003eAUTOMATIC\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; letter-spacing:1px; color:#a9c9db; margin-top:4px;\"\u003eON \/ OFF CONTROL\u003c\/div\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width:25%; padding:18px 10px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:19px; font-weight:900; color:#ffffff;\"\u003eBLACK\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; letter-spacing:1px; color:#a9c9db; margin-top:4px;\"\u003ePROTECTIVE HOUSING\u003c\/div\u003e\n\u003c\/td\u003e\n\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- PROBLEM --\u003e\n\u003cdiv style=\"border:2px solid #8798a3; border-radius:12px; padding:22px; margin-bottom:20px; background:#f4f6f7;\"\u003e\n\n\u003cp style=\"font-size:12px; font-weight:900; letter-spacing:1.4px; color:#3d6f8f; margin:0 0 5px;\"\u003eTHE PROBLEM IT SOLVES\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:22px; font-weight:900; color:#17232b; margin:0 0 10px;\"\u003eLow Engine Vacuum Can Reduce Brake Booster Assist\u003c\/h3\u003e\n\n\u003cp style=\"font-size:15px; line-height:1.75; color:#26343c; margin:0;\"\u003eCammed engines, forced-induction systems and certain modified engine combinations can produce less or less-consistent manifold vacuum, particularly at idle. The 410101B supplies vacuum independently of the engine to help maintain the vacuum reserve needed by a properly functioning power brake booster.\u003c\/p\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- HOW IT WORKS --\u003e\n\u003cdiv style=\"border:2px solid #8798a3; border-radius:12px; padding:22px; margin-bottom:20px; background:#e7edf1;\"\u003e\n\n\u003ch3 style=\"font-size:22px; font-weight:900; color:#17232b; margin:0 0 14px;\"\u003eAutomatic Vacuum — Only When the System Needs It\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%; border-collapse:separate; border-spacing:8px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\n\u003ctd style=\"width:33.33%; padding:17px 14px; border:1px solid #9baab2; border-radius:8px; background:#ffffff; vertical-align:top;\"\u003e\n\u003cdiv style=\"font-size:12px; font-weight:900; color:#3d6f8f; margin-bottom:5px;\"\u003e01\u003c\/div\u003e\n\u003cstrong\u003eVacuum Drops\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"font-size:14px; line-height:1.55;\"\u003eThe system monitors available vacuum in the circuit.\u003c\/span\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width:33.33%; padding:17px 14px; border:1px solid #9baab2; border-radius:8px; background:#ffffff; vertical-align:top;\"\u003e\n\u003cdiv style=\"font-size:12px; font-weight:900; color:#3d6f8f; margin-bottom:5px;\"\u003e02\u003c\/div\u003e\n\u003cstrong\u003ePump Activates\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"font-size:14px; line-height:1.55;\"\u003eThe 12V electric pump automatically begins restoring vacuum.\u003c\/span\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width:33.33%; padding:17px 14px; border:1px solid #9baab2; border-radius:8px; background:#ffffff; vertical-align:top;\"\u003e\n\u003cdiv style=\"font-size:12px; font-weight:900; color:#3d6f8f; margin-bottom:5px;\"\u003e03\u003c\/div\u003e\n\u003cstrong\u003eVacuum Restored\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"font-size:14px; line-height:1.55;\"\u003eOnce the target level is restored, the pump automatically shuts off.\u003c\/span\u003e\n\u003c\/td\u003e\n\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- APPLICATIONS --\u003e\n\u003cdiv style=\"border:2px solid #566e7b; border-radius:12px; padding:22px; margin-bottom:20px; background:#405661; color:#ffffff;\"\u003e\n\n\u003cp style=\"font-size:12px; font-weight:900; letter-spacing:1.4px; color:#a9c9db; margin:0 0 5px;\"\u003eIDEAL APPLICATIONS\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:22px; font-weight:900; color:#ffffff; margin:0 0 12px;\"\u003eBuilt for Vehicles That Don’t Produce Consistent Vacuum\u003c\/h3\u003e\n\n\u003cp style=\"font-size:15px; line-height:2; color:#f4f6f7; margin:0;\"\u003e\n\u003cspan style=\"color:#a9c9db;\"\u003e●\u003c\/span\u003e Cammed Vehicles   \n\u003cspan style=\"color:#a9c9db;\"\u003e●\u003c\/span\u003e LS Swaps   \n\u003cspan style=\"color:#a9c9db;\"\u003e●\u003c\/span\u003e Turbocharged Engines   \n\u003cspan style=\"color:#a9c9db;\"\u003e●\u003c\/span\u003e Supercharged Engines   \n\u003cspan style=\"color:#a9c9db;\"\u003e●\u003c\/span\u003e Street Rods   \n\u003cspan style=\"color:#a9c9db;\"\u003e●\u003c\/span\u003e Custom Builds   \n\u003cspan style=\"color:#a9c9db;\"\u003e●\u003c\/span\u003e Street \/ Race Applications\n\u003c\/p\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- FEATURES --\u003e\n\u003cdiv style=\"border:2px solid #8798a3; border-radius:12px; padding:22px; margin-bottom:20px; background:#f4f6f7;\"\u003e\n\n\u003ch3 style=\"font-size:22px; font-weight:900; color:#17232b; margin:0 0 14px;\"\u003eWhy the Granatelli 410101B?\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%; border-collapse:separate; border-spacing:8px;\"\u003e\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"width:50%; padding:15px; border:1px solid #a5b2b8; border-radius:8px; background:#ffffff;\"\u003e\n\u003cstrong\u003e✓ 17–23 inHg Operating Range\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"font-size:14px;\"\u003eDesigned to build and maintain supplemental vacuum within its intended operating range.\u003c\/span\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width:50%; padding:15px; border:1px solid #a5b2b8; border-radius:8px; background:#ffffff;\"\u003e\n\u003cstrong\u003e✓ Automatic Self-Regulation\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"font-size:14px;\"\u003eCycles on and off according to system vacuum rather than running continuously.\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:15px; border:1px solid #a5b2b8; border-radius:8px; background:#ffffff;\"\u003e\n\u003cstrong\u003e✓ Quiet Isolated Motor\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"font-size:14px;\"\u003eFully isolated motor assembly is designed to reduce operational noise and vibration.\u003c\/span\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"padding:15px; border:1px solid #a5b2b8; border-radius:8px; background:#ffffff;\"\u003e\n\u003cstrong\u003e✓ Reinforced 3\/8\" Vacuum Hose\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"font-size:14px;\"\u003eIncludes heavy-duty synthetic reinforced tubing with a 0.170\" wall thickness.\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:15px; border:1px solid #a5b2b8; border-radius:8px; background:#ffffff;\"\u003e\n\u003cstrong\u003e✓ EMI \/ RFI Protected Harness\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"font-size:14px;\"\u003eFused wiring harness is designed for clean installation with reduced electrical interference.\u003c\/span\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"padding:15px; border:1px solid #a5b2b8; border-radius:8px; background:#ffffff;\"\u003e\n\u003cstrong\u003e✓ Vibration-Isolated Mounting\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"font-size:14px;\"\u003eMounting bracket helps isolate pump vibration from the vehicle.\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- VACUUM RANGE NOTE --\u003e\n\u003cdiv style=\"border:2px solid #668192; border-left:6px solid #3d6f8f; border-radius:12px; padding:22px; margin-bottom:20px; background:#e5edf2;\"\u003e\n\n\u003cp style=\"font-size:12px; font-weight:900; letter-spacing:1.4px; color:#3d6f8f; margin:0 0 5px;\"\u003eUNDERSTANDING THE 17–23 inHg RANGE\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:22px; font-weight:900; color:#17232b; margin:0 0 9px;\"\u003eIf It Cannot Reach or Hold Vacuum, Check the Entire System\u003c\/h3\u003e\n\n\u003cp style=\"font-size:15px; line-height:1.75; color:#26343c; margin:0 0 10px;\"\u003eThe 410101B is designed to operate within approximately \u003cstrong\u003e17–23 inHg of vacuum\u003c\/strong\u003e. The pump should cycle as necessary to build and maintain vacuum within this range when connected to a properly sealed and functioning system.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px; line-height:1.75; color:#26343c; margin:0;\"\u003e\u003cstrong\u003eIf the system cannot reach or maintain the expected vacuum range, that does not automatically indicate a defective pump.\u003c\/strong\u003e Vacuum leaks, a leaking brake booster, faulty check valve, incorrect hose routing, loose fittings or other vehicle modifications can prevent the system from building or holding vacuum. Inspect the complete vacuum system before diagnosing the pump itself.\u003c\/p\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- MAVP --\u003e\n\u003cdiv style=\"border:2px solid #668192; border-left:6px solid #3d6f8f; border-radius:12px; padding:22px; margin-bottom:20px; background:#e5edf2;\"\u003e\n\n\u003cp style=\"font-size:12px; font-weight:900; letter-spacing:1.4px; color:#3d6f8f; margin:0 0 5px;\"\u003eSMART VACUUM CONTROL\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:22px; font-weight:900; color:#17232b; margin:0 0 9px;\"\u003eMAVP Sensor Control\u003c\/h3\u003e\n\n\u003cp style=\"font-size:15px; line-height:1.75; color:#26343c; margin:0;\"\u003eGranatelli’s \u003cstrong\u003eMAVP — Manifold Absolute Vacuum\/Pressure — sensor\u003c\/strong\u003e monitors vacuum and controls pump operation without relying on a traditional vacuum-switch-and-relay arrangement, providing automatic control with a cleaner installation.\u003c\/p\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- KIT --\u003e\n\u003cdiv style=\"border:2px solid #8798a3; border-radius:12px; padding:22px; margin-bottom:20px; background:#edf1f4;\"\u003e\n\n\u003cp style=\"font-size:12px; font-weight:900; letter-spacing:1.4px; color:#3d6f8f; margin:0 0 5px;\"\u003eVACUUM SUPPORT PACKAGE\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:22px; font-weight:900; color:#17232b; margin:0 0 14px;\"\u003eSystem Features\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%; border-collapse:separate; border-spacing:8px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\n\u003ctd style=\"width:25%; padding:14px; border:1px solid #a5b2b8; border-radius:8px; background:#ffffff; text-align:center;\"\u003e\u003cstrong\u003e12V Vacuum Pump\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"width:25%; padding:14px; border:1px solid #a5b2b8; border-radius:8px; background:#ffffff; text-align:center;\"\u003e\u003cstrong\u003e3\/8\" Reinforced Hose\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"width:25%; padding:14px; border:1px solid #a5b2b8; border-radius:8px; background:#ffffff; text-align:center;\"\u003e\u003cstrong\u003eFused Wiring Harness\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"width:25%; padding:14px; border:1px solid #a5b2b8; border-radius:8px; background:#ffffff; text-align:center;\"\u003e\u003cstrong\u003eIsolation Bracket\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- SPECS --\u003e\n\u003cdiv style=\"border:2px solid #778b96; border-radius:12px; padding:22px; margin-bottom:20px; background:#e7ecef;\"\u003e\n\n\u003ch3 style=\"font-size:22px; font-weight:900; color:#17232b; margin:0 0 12px;\"\u003eProduct Specifications\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%; border-collapse:collapse; background:#ffffff;\"\u003e\n\u003ctbody\u003e\n\n\u003ctr style=\"background:#d9e2e7;\"\u003e\n\u003ctd style=\"width:42%; padding:11px; border:1px solid #9aa9b1;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #9aa9b1;\"\u003e\u003cstrong\u003e410101B\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:11px; border:1px solid #9aa9b1;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #9aa9b1;\"\u003eElectric Brake Vacuum Pump System\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr style=\"background:#d9e2e7;\"\u003e\n\u003ctd style=\"padding:11px; border:1px solid #9aa9b1;\"\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #9aa9b1;\"\u003e12 Volt\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:11px; border:1px solid #9aa9b1;\"\u003e\u003cstrong\u003eVacuum Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #9aa9b1;\"\u003e\u003cstrong\u003eApproximately 17–23 inHg\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr style=\"background:#d9e2e7;\"\u003e\n\u003ctd style=\"padding:11px; border:1px solid #9aa9b1;\"\u003e\u003cstrong\u003ePump Design\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #9aa9b1;\"\u003eRotary-Vane-Style Electric Pump\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:11px; border:1px solid #9aa9b1;\"\u003e\u003cstrong\u003eControl Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #9aa9b1;\"\u003eAutomatic \/ Self-Regulating\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr style=\"background:#d9e2e7;\"\u003e\n\u003ctd style=\"padding:11px; border:1px solid #9aa9b1;\"\u003e\u003cstrong\u003eSensor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #9aa9b1;\"\u003eMAVP Manifold Absolute Vacuum \/ Pressure Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:11px; border:1px solid #9aa9b1;\"\u003e\u003cstrong\u003eVacuum Hose\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #9aa9b1;\"\u003e3\/8\" Synthetic Reinforced Hose\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr style=\"background:#d9e2e7;\"\u003e\n\u003ctd style=\"padding:11px; border:1px solid #9aa9b1;\"\u003e\u003cstrong\u003eHose Wall Thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #9aa9b1;\"\u003e0.170\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:11px; border:1px solid #9aa9b1;\"\u003e\u003cstrong\u003eWiring Harness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #9aa9b1;\"\u003eFused \/ EMI-RFI Protected\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr style=\"background:#d9e2e7;\"\u003e\n\u003ctd style=\"padding:11px; border:1px solid #9aa9b1;\"\u003e\u003cstrong\u003eHousing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #9aa9b1;\"\u003eElectroplated Black ABS Protective Housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:11px; border:1px solid #9aa9b1;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #9aa9b1;\"\u003eUniversal Low-Vacuum \/ Brake Booster Support\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr style=\"background:#d9e2e7;\"\u003e\n\u003ctd style=\"padding:11px; border:1px solid #9aa9b1;\"\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #9aa9b1;\"\u003e\u003cstrong\u003e802735043112\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- FINAL NOTE --\u003e\n\u003cdiv style=\"border:2px solid #c08a38; border-radius:12px; background:#f6ead6; padding:19px 21px;\"\u003e\n\n\u003cp style=\"font-size:12px; font-weight:900; letter-spacing:1.4px; color:#99651d; margin:0 0 5px;\"\u003eIMPORTANT VACUUM SYSTEM NOTE\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px; line-height:1.7; margin:0;\"\u003e\u003cstrong\u003eThe 410101B is designed to supplement a properly functioning vacuum system and operate within approximately 17–23 inHg.\u003c\/strong\u003e If the system cannot reach or hold the expected vacuum level, inspect the brake booster, check valve, vacuum hoses, fittings, routing and vehicle modifications for leaks or excessive vacuum demand before assuming the pump has failed.\u003c\/p\u003e\n\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Granatelli Motor Sports","offers":[{"title":"Default Title","offer_id":56797052272780,"sku":"410101B","price":417.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/8208\/3980\/files\/410101B.png?v=1788812987","url":"https:\/\/fiperformance.com\/products\/granatelli-12v-electric-brake-booster-vacuum-pump-system-black-enclosure-410101b","provider":"FI Performance","version":"1.0","type":"link"}