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Yimi (Guangzhou) Automotive Parts Co, Ltd

  • China,Guangzhou
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China OEM 8-97162800-1 Brake Booster with Steel Housing and Direct Bolt-On Fitment for
China OEM 8-97162800-1 Brake Booster with Steel Housing and Direct Bolt-On Fitment for

  1. China OEM 8-97162800-1 Brake Booster with Steel Housing and Direct Bolt-On Fitment for
  2. China OEM 8-97162800-1 Brake Booster with Steel Housing and Direct Bolt-On Fitment for
  3. China OEM 8-97162800-1 Brake Booster with Steel Housing and Direct Bolt-On Fitment for

OEM 8-97162800-1 Brake Booster with Steel Housing and Direct Bolt-On Fitment for

  1. MOQ: 10 pcs
  2. Price: Negotiable
  3. Get Latest Price
Payment Terms T/T
Vacuum Seal Test 100% vacuum pressure test
Design Vacuum-Assisted Hydraulic Booster
Delivery Time 5-8 Work Days
Durability Rating 500,000+ km
Installation Fitment 99% direct bolt-on
Certifiion ISO/TS16949
Housing Material Steel with Black-Finished Coating
Engine Compatibility 4HK1-TC, 4JJ1 3.0L, 4HE1 4.8L
Supply Ability 10000 pcs/month
Durability Cycle Test 500+ hour fatigue testing
OEM Part Number 8-97162800-1 / 8971628001
Packaging Details Neutral Package or as customers’ request
Model Number ISUZU NPR75 NKR 4HK1-TC
Place of Origin China
Brand Name YIMI

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T Vacuum Seal Test 100% vacuum pressure test
Design Vacuum-Assisted Hydraulic Booster Delivery Time 5-8 Work Days
Durability Rating 500,000+ km Installation Fitment 99% direct bolt-on
Certifiion ISO/TS16949 Housing Material Steel with Black-Finished Coating
Engine Compatibility 4HK1-TC, 4JJ1 3.0L, 4HE1 4.8L Supply Ability 10000 pcs/month
Durability Cycle Test 500+ hour fatigue testing OEM Part Number 8-97162800-1 / 8971628001
Packaging Details Neutral Package or as customers’ request Model Number ISUZU NPR75 NKR 4HK1-TC
Place of Origin China Brand Name YIMI
High Light OEM 8-97162800-1 Brake BoosterSteel Housing Brake BoosterDirect Bolt-On Brake Booster
Brake Booster 8-97162800-1 8971628001 for ISUZU NPR75 NKR 4HK1-TC — OEM Vacuum Power Brake Booster
Product Overview

The Brake Master Vacuum Assembly (Vacuum Power Brake Booster) with OEM numbers 8-97162800-1 and 8971628001 is a verified direct-fit replacement for ISUZU NPR, NPR75, NKR, NQR, and NRR series trucks. This critical component utilizes engine vacuum to multiply brake pedal force, significantly reducing braking effort while ensuring consistent, responsive pedal feel and improved stopping power for heavy-duty truck safety.

Real Shop Test Data
Precision-engineered vacuum booster delivers consistent brake assist — verified against ISUZU OEM specifiions for N-series trucks.
Proven Durability
Built with durable steel housing and precision-engineered mounting points — rated for 500,000+ km under normal operation based on OEM-grade manufacturing standards.
Installation Success Rate
99% direct bolt-on fitment — confirmed across thousands of repair orders for ISUZU NPR/NKR/NQR vehicles.
OEM Cross-Reference Verified
Replaces 8971628001, 8971779740, 8971628000.
ISUZU Brake Booster 8-97162800-1 OEM Vacuum Power Brake Booster
Failure Symptoms

If your brake booster is failing, you may experience one or more of the following symptoms:

  • Hard or Stiff Brake Pedal: Brake pedal feels unusually hard and requires excessive force to stop the vehicle
  • Increased Stopping Distance: Vehicle takes longer to stop than normal, even with firm pedal pressure
  • Hissing Noise: A hissing sound from the brake pedal area when pressed — indies vacuum leak
  • Engine Stalling or Rough Idle: Engine RPM drops or stalls when brake pedal is pressed
  • Brake Pedal Slow to Return: Pedal does not return to normal position quickly after release
A failing brake booster significantly reduces braking effectiveness and is a serious safety risk — prompt replacement is essential.
Technical Specifiions
Part Number 8-97162800-1 8971628001
Product Name Brake Booster
Car Model ISUZU NPR75 NKR
Engine Model ISUZU 4HK1-TC
Condition 100% Brand New
Material High-strength aluminum alloy & precision bearings
Cooling Type Engine coolant circulation
Installation Direct OEM replacement
Quality Standard OEM equivalent / ISO quality control
Vehicle Compatibility

Primary Appliions:

Brand Model Engine Years
ISUZU NPR, NPR75, NPR-HD 4HK1-TC, 4HE1, 4JJ1 1998-2020
ISUZU NKR 4HK1-T, 4JH1 Various
ISUZU NQR 4HK1-TC, 4HE1 2002-2014
ISUZU NRR 4JJ1 3.0L, 4HE1 4.8L 1998-2020
ISUZU ELF Series 3.0L / 5.2L Diesel 2012+

Cross-Brand Appliions:

Brand Model Years
Chevrolet W3500 / W5500 Tiltmaster 2002-2009
GMC W3500 / W5500 Forward 2002-2008
This brake booster is designed for ISUZU N-series trucks with vacuum-assisted hydraulic brake systems. Compatible with both diesel and gasoline engine variants. Please verify your vehicle's model, chassis code, and engine code before ordering. This is a complete vacuum booster assembly — master cylinder is sold separately.
Features & Benefits
Feature Benefit + Verifiion Signal
OEM Specifiion — ISUZU Genuine Guarantees factory-fit quality and performance — verified by ISUZU OEM part numbers
Heavy-Duty Steel Housing Construction Provides exceptional durability and longevity under demanding conditions
Precision-Engineered Vacuum Seal System Delivers consistent and reliable brake assist function — verified by OEM-spec performance testing
Direct Bolt-On Fitment No modifiions required — verified by 99% installation success rate
Complete Assembly Includes mounting hardware and bracket assembly for straightforward installation
Wide Vehicle Compatibility Fits multiple ISUZU models and cross-brand appliions
100% New — No Core Charge Guarantees zero wear, immediate response, and full service life
Quality Control & Verifiion
QC Item Verifiion Method
Dimensional Accuracy Precision inspection to verify all mounting points match OE blueprint specifiions
Vacuum Seal Integrity Test 100% vacuum pressure test to guarantee zero leakage
Housing Durability Test Structural integrity testing of steel housing under extreme conditions
Performance Simulation Test Dynamic testing to verify booster response matches OEM specifiions
Durability Cycle Test 500+ hour fatigue testing to verify 500,000+ km service life
Final Assembly Inspection 100% visual and functional inspection before packaging
Installation & Maintenance
Professional Installation Highly Recommended

Pre-Installation Checklist:

  • Inspect the brake master cylinder for leaks or damage — replace if necessary
  • Check the vacuum hose for cracks or deterioration
  • Ensure the brake pedal pushrod is correctly adjusted
  • This is a complete booster assembly — master cylinder is sold separately

Installation Guidelines:

  1. Disconnect the negative battery terminal
  2. Remove the brake master cylinder from the old booster
  3. Disconnect the vacuum hose from the booster
  4. Remove the mounting nuts securing the booster to the firewall
  5. Disconnect the brake pedal pushrod from the pedal
  6. Remove the old booster assembly
  7. Clean the firewall mounting surface thoroughly
  8. Install the new booster and torque mounting nuts to manufacturer's specifiions
  9. Connect the brake pedal pushrod and adjust as specified
  10. Reinstall the brake master cylinder onto the new booster
  11. Reconnect the vacuum hose securely
  12. CRITICAL: Bleed the entire brake system after installation
  13. Test brake pedal feel and check for vacuum leaks before road test

Maintenance Schedule:

  • Inspection: Every 50,000 km / 12 months. Check brake pedal feel, listen for hissing noises, and inspect vacuum hose
  • Replacement: Immediately if failure symptoms appear
  • Note: Early signs include hard brake pedal and increased stopping distance
Packaging & Supply
  • Packaging: Each brake booster is securely packed in protective carton with foam inserts
  • Shipping Ports: Chongqing, Shenzhen, Shanghai
  • Suitable for: Wholesale distributors, truck parts retailers, commercial vehicle repair shops, and fleet owners

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Exporter,Trading Company,Seller

  • Year Established:

    2005

  • Total Annual:

    8000000-10000000

  • Employee Number:

    100~150

  • Ecer Certification:

    Verified Supplier

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 ...

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Get in touch with us

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  • 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.
  • https://www.isuzucarsparts.com/

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