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Verified OEM direct-fit replacement for FV515 FV517 8DC9 6WF1 Diesel Truck air brake systems.
Product Overview
The Mitsubishi Fuso Brake Expander Cylinder with OEM number MC889050 (cross-reference 1-47601-087-0 / 1476010870) is a verified direct-fit replacement for Mitsubishi Fuso FV515 and FV517 heavy trucks, as well as select Isuzu and Hino models. This wedge-type brake expander cylinder is a critical actuator in the air brake system, converting pneumatic pressure into mechanical force that pushes the brake shoes against the brake drum for vehicle deceleration and stopping.
Working Principle
Inside the expander cylinder, a piston expands outward under air pressure, pushing the brake shoes apart through rollers. The integrated automatic slack adjuster compensates for lining wear, maintaining consistent braking response over the service life of the component.
Replace promptly if any of these symptoms are observed:
Brake pull or uneven braking — Seized piston or insufficient expansion stroke on one side causes imbalanced braking force
Increased stopping distance — Worn or dented roller contact surface reduces shoe expansion travel, lowering braking force
Brake drag or overheating — Poor return of the expander cylinder prevents shoes from fully disengaging from the drum, causing brake overheating
Rapid air pressure loss — Degraded seals cause air leakage, preventing proper parking brake release
Brake noise — Worn slack adjuster mechanism or spring failure produces metallic knocking sounds
Part Number:
1-47601-087-0
Product Name:
Brake Expander Cylinder
Car Model:
FUSO
Engine Model:
FV515 FV517 8DC9 6WF1
Condition:
100% Brand New
Size:
Standard
Weight:
Standard
Origin:
China Mainland
Main Market:
Middle East, Asia, Africa, South America, North America & Europe
Package:
Neutral Packing Or Make It As Requested
Material:
High-strength aluminum alloy & precision bearings
Cooling Type:
Engine coolant circulation
Installation:
Direct OEM replacement
Quality Standard:
OEM equivalent / ISO quality control
Vehicle & Engine Compatibility
Primary Applications:
Brand
Model / Series
Chassis
Engine
Years
Mitsubishi Fuso
FV515
FV515
8DC9 / 8DC93 / 6WF1
1996–2007
Mitsubishi Fuso
FV517
FV517
8DC9 / 6WF1
1996–2007
Mitsubishi Fuso
Super Great
FP51J / RM11F
6WF1 / 10PE1
1998–2000
Mitsubishi Fuso
Fighter
FK/FM Series
6D16 / 6M70
2005–2007
Isuzu
FVR34 / CYZ51 / CYZ52
FVR / CYZ
6HK1 / 6WF1 (EURO3)
2000–2020
Hino
500 / 700 Series
—
E13C etc.
[TBD]
Important Notes:
This part is a front/rear universal type, installable on both LH and RH sides. Verify that the original part number matches MC889050.
Some FV515 configurations may use a different expander cylinder model. Provide VIN or chassis number for precise fitment confirmation before ordering.
For Isuzu applications, confirm engine is 6WF1 or 6HK1 with EURO3 emission standard.
Features & Benefits
Feature
Benefit + Verification Signal
Cast Iron Body Construction
Withstands high-pressure air brake conditions with minimal deformation — verified under ISO9001 quality management system
Automatic Slack Adjuster
Compensates for shoe wear automatically, reducing manual adjustment intervals — conforms to OEM design specification
Precision Piston & Roller Assembly
Ensures accurate expansion stroke, maintaining balanced braking force — 100% dimensional inspection at factory
Multi-Brand Cross Compatibility
Fits Mitsubishi Fuso / Isuzu / Hino heavy trucks — verified through cross-reference part numbers
12-Month Warranty
Reduces after-sales risk and supports procurement confidence
Quality Control & Verification
QC Item
Verification Method
Cylinder body dimensional accuracy
CMM (Coordinate Measuring Machine)
Leak test
Air-tightness pressure hold test ([TBD] bar / [TBD] minutes)
Piston stroke verification
Stroke gauge inspection against OEM specification
Material hardness
Rockwell / Brinell hardness tester
Surface treatment
Visual inspection + coating thickness gauge
Pre-shipment inspection
100% visual and functional check
System certification
ISO9001 / IATF16949 (supplier applicable)
Installation & Maintenance
IMPORTANT:
Brake system repair must be performed by qualified professional technicians. Ensure the vehicle is fully secured and air pressure is released before installation.
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 ...
