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{"title":"OEM Quality Brake Vacuum Booster 9.7kg Standard Weight ISO\/TS16949 Certified for","imgUrl":"https:\/\/img.chinax.com\/nimg\/60\/de\/3ea67cc9b55c71e67f14de1058b1-200x200-1\/oem_quality_brake_vacuum_booster_9_7kg_standard_weight_iso_2fts16949_certified_for.jpg","attrs":{"Model Number":"FSR Truck","Material":"Metal","Minimum Order Quantity":"20 PCS","Delivery Time":"5-8 Work Days"}}
{"title":"ISUZU C240 VALVE ROCKER ARM 9126113490","imgUrl":"https:\/\/img.chinax.com\/nimg\/fc\/e5\/2d0d41fb7f3d502843fd768e1e28-200x200-1\/isuzu_c240_valve_rocker_arm_9126113490.jpg","attrs":{"Model Number":"C240","Place of Origin":"Made in China","Minimum Order Quantity":"5 PCS","Supply Ability":"10000pcs\/month"}}
{"title":"ISUZU TFR68 69 ENGINE MOUNTING R 8970391890","imgUrl":"https:\/\/img.chinax.com\/nimg\/7b\/f1\/8998370f517b467e4c20c8df2ac9-200x200-1\/isuzu_tfr68_69_engine_mounting_r_8970391890.jpg","attrs":{"Model Number":"TFR68 69","Place of Origin":"Made in China","Minimum Order Quantity":"5 PCS","Supply Ability":"10000pcs\/month"}}
{"title":"ISUZU TFR68 69 RUBBER ENG FOO L 5876101930 8970860761","imgUrl":"https:\/\/img.chinax.com\/nimg\/68\/26\/7c7f4c50909a3695c90b2db58900-200x200-1\/isuzu_tfr68_69_rubber_eng_foo_l_5876101930_8970860761.jpg","attrs":{"Model Number":"TFR68 69","Place of Origin":"Made in China","Minimum Order Quantity":"5 PCS","Supply Ability":"10000pcs\/month"}}
{"title":"ISUZU DMAX 4JA1 T H1 GEAR TIMING 52 8979427551","imgUrl":"https:\/\/img.chinax.com\/nimg\/dc\/8f\/faca408a6e5c150d63ac2adb933f-200x200-1\/isuzu_dmax_4ja1_t_h1_gear_timing_52_8979427551.jpg","attrs":{"Model Number":"DMAX 4JA1 T H1","Place of Origin":"Made in China","Minimum Order Quantity":"5 PCS","Supply Ability":"10000pcs\/month"}}
{"title":"ISUZU NHR 4JA1 DMAX CRANKSHAFT 8944552401","imgUrl":"https:\/\/img.chinax.com\/nimg\/e2\/3f\/ae38ad12211136e0e8ec331c8536-200x200-1\/isuzu_nhr_4ja1_dmax_crankshaft_8944552401.jpg","attrs":{"Brand Name":"YIMI","Supply Ability":"10000pcs\/month","Delivery Time":"15-20 days after deposit","Packaging Details":"1, neutral box , 2, color box, 3, customer brand package"}}
{"title":"ISUZU NKR KY 4JB1 CRANKSHAFT 8944436620 1005011BBA1","imgUrl":"https:\/\/img.chinax.com\/nimg\/ef\/20\/c9299ee3da59c593a2e0493b8470-200x200-1\/isuzu_nkr_ky_4jb1_crankshaft_8944436620_1005011bba1.jpg","attrs":{"Brand Name":"YIMI","Supply Ability":"10000pcs\/month","Delivery Time":"15-20 days after deposit","Packaging Details":"1, neutral box , 2, color box, 3, customer brand package"}}
Product Overview: The Brake Vacuum Booster (Hydro Master Assembly) with OEM numbers 1-47800443-0 / 1478004430 is a verified direct-fit replacement for ISUZU FSR series trucks. This vacuum booster is a critical power-assist component of the hydraulic brake system, responsible for utilizing engine intake manifold vacuum to amplify the driver's brake pedal force, making braking light and responsive.
Part Number
1-47800443-0 1478004430
Product Name
Brake Vacuum Booster
Car Model
FSR
Condition
100% Brand New
Weight
9.7kg
Material
High-strength aluminum alloy & precision bearings
Main Markets
Middle East, Asia, Africa, South America, North America & Europe
How It Works
The vacuum booster is installed between the brake pedal and brake master cylinder. When the engine runs, intake manifold vacuum creates pressure difference across the diaphragm, which amplifies brake pedal force through a push rod that actuates the master cylinder piston. The integrated hydraulic master cylinder pressurizes brake fluid for wheel brake operation.
Failure Symptoms
⚠️ Hard Brake Pedal — Brake pedal feels abnormally heavy; power assist is lost
Yimi (Guangzhou) Automotive Parts Co., Ltd.
Located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality ... Yimi (Guangzhou) Automotive Parts Co., Ltd.
Located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality ...
