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ISUZU OEM Standard Brake Vacuum Booster with High-strength Steel Housing and 100,000+ Brake Cycle Durability for FTR113 FV515
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ISUZU OEM Standard Brake Vacuum Booster with High-strength Steel Housing and 100,000+ Brake Cycle Durability for FTR113 FV515
  • name
  • name
  • name

ISUZU OEM Standard Brake Vacuum Booster with High-strength Steel Housing and 100,000+ Brake Cycle Durability for FTR113 FV515

MOQ: 20 PCS
Price: Negotiable
Standard Packaging: Neutral Package or as customers’ request
Delivery Period: 5-8 Work Days
Payment Method: T/T,Western Union
Supply Capacity: 10000 pcs/month
Detail Information
Product Description
Detail Information
Place of Origin
CHINA
Brand Name
YIMI
Certification
ISO/TS16949
Model Number
6BG1 6BD1 4BD1 FSR NPR
Part Type:
Vacuum Booster / Air Master Booster
Material:
High-strength Steel Housing + Aluminum Alloy Components
OEM Part Number:
1-47800404-2 / 1478004042
Associated Number:
1-47800404-0 / 1478004040
Right-Hand Version:
1-47800404-AG / 147800404AG
Durability Validation:
100,000 Brake Cycles
Vacuum Seal Testing:
100% Vacuum Seal Testing
Compatible Models:
ISUZU FTR113, FV515 Heavy-Duty Trucks
Highlight:

OEM Standard Brake Vacuum Booster

,

High-strength steel housing Brake Vacuum Booster

,

100

,

000+ Brake Cycle Durability Brake Vacuum Booster

Product Description
ISUZU Brake Vacuum Booster 1-47800404-2 1478004042 for FTR113 FV515 — OEM Standard for Heavy-Duty Trucks
Product Overview

The ISUZU Brake Vacuum Booster with OEM numbers 1-47800404-2 / 1478004042 is a precision-engineered replacement designed for ISUZU FTR113 and FV515 series heavy-duty trucks. This component is a core power amplification element of the vehicle's hydraulic brake/air-over-hydraulic brake system, responsible for amplifying the driver's braking force using engine intake manifold vacuum (or compressed air), making braking operations easier, more responsive, and reducing stopping distance.

Numbering Note: This product number 1-47800404-2 / 1478004042 belongs to the same product series as 1-47800404-0 / 1478004040. There is also a right-hand version 1-47800404-AG / 147800404AG. Please verify the specific number based on actual vehicle configuration.
Working Principle

The brake vacuum booster amplifies braking force using vacuum generated by the engine intake manifold during operation. The booster interior is divided by a diaphragm (or piston) into two chambers: one side connected to the engine intake manifold via a vacuum line (vacuum chamber), and the other side open to the atmosphere (atmospheric chamber). When the driver depresses the brake pedal, the push rod actuates the control valve, allowing atmospheric air to enter the atmospheric chamber. The resulting pressure differential pushes the diaphragm to generate an assist force, which combines with the driver's pedal force and transmits to the brake master cylinder, producing greater hydraulic pressure with less pedal effort.

Failure Symptoms

Inspect immediately if any of these symptoms occur:

Symptom Probable Cause
Brake pedal feels stiff and hard to press; requires excessive effort Damaged booster diaphragm or blocked/leaking vacuum line; insufficient vacuum
Brake pedal feels spongy with increased travel; noticeably reduced braking force Aged internal seals; reduced boosting effectiveness
Engine idles rough or stalls when brake pedal is pressed Internal vacuum leak affecting engine intake manifold vacuum
Hissing sound during braking Booster housing or diaphragm damaged; vacuum leak
Brake pedal fails to return or returns slowly Stuck internal valve spool or failed return spring
Increased stopping distance Booster unable to provide adequate assist
Product Specifications
Part Number: 1-47800404-2 1478004042
Product Name: Brake Vacuum Booster
Car Model: FTR113 FV515
Engine Model: ISUZU
Condition: 100% Brand New
Material: High-strength aluminum alloy & precision bearings
Origin: China Mainland
Quality Verification
  • Product Certification: Manufactured under ISO/TS16949 automotive quality management system certification
  • Manufacturer Background: Supplied by IZUMI brand with 18 years of experience
  • Durability Validation: Tested for over 100,000 brake cycles to ensure long-term reliability
  • Seal Integrity Testing: 100% vacuum seal testing on every unit
  • Condition: Brand New — 100% quality inspected
  • Warranty: 12-month quality guarantee
Vehicle Compatibility
Brand Model Series Chassis Notes
ISUZU FTR FTR113 Heavy-duty truck
ISUZU FV FV515 Heavy-duty truck
ISUZU FSR — Medium-duty truck (verify configuration)
ISUZU FVR — Medium-duty truck (verify configuration)
Important Fitment Warnings
  • Number Confirmation: This product number is 1-47800404-2 / 1478004042, belonging to the same series as 1-47800404-0 / 1478004040. A right-hand version 1-47800404-AG / 147800404AG also exists.
  • Left vs. Right Side: Some sources indicate this product has Left-Hand (LH) and Right-Hand (RH) variations. Confirm installation position before ordering.
  • Pair Replacement Recommended: When replacing the brake vacuum booster, it is recommended to inspect the brake master cylinder simultaneously.
  • Vacuum Line Inspection: Inspect vacuum line and check valve for aging, cracks, or blockage when replacing the booster.
  • Post-Installation Testing: Brake system function test is mandatory after installation.
  • Professional Installation: The brake vacuum booster is a critical braking system safety component — professional installation is strongly recommended.
Features & Benefits
ISO/TS16949 Quality Management Certification
Internationally recognized automotive industry quality standard ensuring full-process quality control
18 Years Industry Experience (IZUMI Brand)
Mature production systems providing reliable, high-quality automotive parts solutions
High-Strength Steel Housing + Aluminum Alloy Components
Excellent structural strength and lightweight design for heavy-duty truck applications
100% Vacuum Seal Testing
Every unit undergoes strict vacuum seal integrity testing for zero leakage
100,000+ Brake Cycle Durability Validation
Tested for long-term reliability and extended service life
12-Month Warranty
Reliable after-sales protection with quality guarantee
Tags: 

isuzu tfr parts,  

isuzu replacement parts,  

ISUZU Starter Motor

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Products
PRODUCTS DETAILS
Products

Isuzu Cars Parts

Isuzu Engine Parts

Isuzu Chassis Parts

ISUZU Truck Parts

VW Car Parts

AUDI Car Parts

QINGLING ISUZU Parts

NISSAN Spare Parts

MITSUBISHI Auto Parts

FUSO Truck Parts

TOYOTA Auto Parts

HINO Truck Parts

HONDA Auto Parts

MAZDA Spare Parts

JAC Spare Parts

JMC Spare Parts

FORD Auto Parts

HYUNDAI Auto Parts

KIA Auto Parts

Other Auto Parts
ISUZU OEM Standard Brake Vacuum Booster with High-strength Steel Housing and 100,000+ Brake Cycle Durability for FTR113 FV515
  • name
  • name
  • name
ISUZU OEM Standard Brake Vacuum Booster with High-strength Steel Housing and 100,000+ Brake Cycle Durability for FTR113 FV515
MOQ: 20 PCS
Price: Negotiable
Standard Packaging: Neutral Package or as customers’ request
Delivery Period: 5-8 Work Days
Payment Method: T/T,Western Union
Supply Capacity: 10000 pcs/month
Detail Information
Product Description
Detail Information
Place of Origin
CHINA
Brand Name
YIMI
Certification
ISO/TS16949
Model Number
6BG1 6BD1 4BD1 FSR NPR
Part Type:
Vacuum Booster / Air Master Booster
Material:
High-strength Steel Housing + Aluminum Alloy Components
OEM Part Number:
1-47800404-2 / 1478004042
Associated Number:
1-47800404-0 / 1478004040
Right-Hand Version:
1-47800404-AG / 147800404AG
Durability Validation:
100,000 Brake Cycles
Vacuum Seal Testing:
100% Vacuum Seal Testing
Compatible Models:
ISUZU FTR113, FV515 Heavy-Duty Trucks
Minimum Order Quantity:
20 PCS
Price:
Negotiable
Packaging Details:
Neutral Package or as customers’ request
Delivery Time:
5-8 Work Days
Payment Terms:
T/T,Western Union
Supply Ability:
10000 pcs/month
Highlight

OEM Standard Brake Vacuum Booster

,

High-strength steel housing Brake Vacuum Booster

,

100

,

000+ Brake Cycle Durability Brake Vacuum Booster

Product Description
ISUZU Brake Vacuum Booster 1-47800404-2 1478004042 for FTR113 FV515 — OEM Standard for Heavy-Duty Trucks
Product Overview

The ISUZU Brake Vacuum Booster with OEM numbers 1-47800404-2 / 1478004042 is a precision-engineered replacement designed for ISUZU FTR113 and FV515 series heavy-duty trucks. This component is a core power amplification element of the vehicle's hydraulic brake/air-over-hydraulic brake system, responsible for amplifying the driver's braking force using engine intake manifold vacuum (or compressed air), making braking operations easier, more responsive, and reducing stopping distance.

Numbering Note: This product number 1-47800404-2 / 1478004042 belongs to the same product series as 1-47800404-0 / 1478004040. There is also a right-hand version 1-47800404-AG / 147800404AG. Please verify the specific number based on actual vehicle configuration.
Working Principle

The brake vacuum booster amplifies braking force using vacuum generated by the engine intake manifold during operation. The booster interior is divided by a diaphragm (or piston) into two chambers: one side connected to the engine intake manifold via a vacuum line (vacuum chamber), and the other side open to the atmosphere (atmospheric chamber). When the driver depresses the brake pedal, the push rod actuates the control valve, allowing atmospheric air to enter the atmospheric chamber. The resulting pressure differential pushes the diaphragm to generate an assist force, which combines with the driver's pedal force and transmits to the brake master cylinder, producing greater hydraulic pressure with less pedal effort.

Failure Symptoms

Inspect immediately if any of these symptoms occur:

Symptom Probable Cause
Brake pedal feels stiff and hard to press; requires excessive effort Damaged booster diaphragm or blocked/leaking vacuum line; insufficient vacuum
Brake pedal feels spongy with increased travel; noticeably reduced braking force Aged internal seals; reduced boosting effectiveness
Engine idles rough or stalls when brake pedal is pressed Internal vacuum leak affecting engine intake manifold vacuum
Hissing sound during braking Booster housing or diaphragm damaged; vacuum leak
Brake pedal fails to return or returns slowly Stuck internal valve spool or failed return spring
Increased stopping distance Booster unable to provide adequate assist
Product Specifications
Part Number: 1-47800404-2 1478004042
Product Name: Brake Vacuum Booster
Car Model: FTR113 FV515
Engine Model: ISUZU
Condition: 100% Brand New
Material: High-strength aluminum alloy & precision bearings
Origin: China Mainland
Quality Verification
  • Product Certification: Manufactured under ISO/TS16949 automotive quality management system certification
  • Manufacturer Background: Supplied by IZUMI brand with 18 years of experience
  • Durability Validation: Tested for over 100,000 brake cycles to ensure long-term reliability
  • Seal Integrity Testing: 100% vacuum seal testing on every unit
  • Condition: Brand New — 100% quality inspected
  • Warranty: 12-month quality guarantee
Vehicle Compatibility
Brand Model Series Chassis Notes
ISUZU FTR FTR113 Heavy-duty truck
ISUZU FV FV515 Heavy-duty truck
ISUZU FSR — Medium-duty truck (verify configuration)
ISUZU FVR — Medium-duty truck (verify configuration)
Important Fitment Warnings
  • Number Confirmation: This product number is 1-47800404-2 / 1478004042, belonging to the same series as 1-47800404-0 / 1478004040. A right-hand version 1-47800404-AG / 147800404AG also exists.
  • Left vs. Right Side: Some sources indicate this product has Left-Hand (LH) and Right-Hand (RH) variations. Confirm installation position before ordering.
  • Pair Replacement Recommended: When replacing the brake vacuum booster, it is recommended to inspect the brake master cylinder simultaneously.
  • Vacuum Line Inspection: Inspect vacuum line and check valve for aging, cracks, or blockage when replacing the booster.
  • Post-Installation Testing: Brake system function test is mandatory after installation.
  • Professional Installation: The brake vacuum booster is a critical braking system safety component — professional installation is strongly recommended.
Features & Benefits
ISO/TS16949 Quality Management Certification
Internationally recognized automotive industry quality standard ensuring full-process quality control
18 Years Industry Experience (IZUMI Brand)
Mature production systems providing reliable, high-quality automotive parts solutions
High-Strength Steel Housing + Aluminum Alloy Components
Excellent structural strength and lightweight design for heavy-duty truck applications
100% Vacuum Seal Testing
Every unit undergoes strict vacuum seal integrity testing for zero leakage
100,000+ Brake Cycle Durability Validation
Tested for long-term reliability and extended service life
12-Month Warranty
Reliable after-sales protection with quality guarantee
Tags: 

isuzu tfr parts,

isuzu replacement parts,

ISUZU Starter Motor

Yimi (Guangzhou) Automotive Parts Co, Ltd
Unit 1313, Building 5, Changsheng DDP Fashion Center, No. 17 Dachi Road, Tancun, Shijing Subdistrict, Baiyun District, Guangzhou City.
Tel: +86-17820569171
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