MITSUBISHI FUSO Brake Chamber Spring Valve MC326823 RH with Steel Housing OEM Replacement
MITSUBISHI FUSO Brake Chamber Spring Valve MC326823 RH with Steel Housing OEM Replacement
Key Attributes
Brand Name:YIMI
Model Number:FUSO
Place of Origin:CHINA
Certification:ISO/TS16949
Minimum Order Quantity:20 PCS
Price:Negotiable
Supply Ability:10000 pcs/month
Delivery Time:5-8 Work Days
Payment Terms:T/T
Standard Packaging:Neutral Package or as customers’ request
Product Summary
MITSUBISHI FUSO Brake Chamber Spring Valve MC326823 — OEM direct-fit RH replacement with steel housing. 100% factory tested, 6-month warranty. Fits 2000-2020 FUSO trucks. MOQ: 2 pcs sample, 10 pcs wholesale.
Product Details
Highlight:
Steel Housing Brake Chamber Spring Valve
,OEM MC326823 Brake Chamber Valve
,Right Hand (RH) Chassis Spring Valve
Housing Material:
Steel
Unit Weight:
8 Kg
Package Size:
50 × 20 × 20 Cm
OEM Part Number:
MC326823
Installation Position:
Right Hand (RH)
Vehicle Year Range:
2000-2020 (reference)
Material:
High-strength Aluminum Alloy & Precision Bearings
Cooling Type:
Engine Coolant Circulation
Product Description
Detailed Specifications & Features
MITSUBISHI FUSO Brake Chamber Spring Valve MC326823 — Verified OEM Direct-Fit RH Steel Housing
Chassis Spring Valve Brake Chamber MC326823 RH for MITSUBISHI FUSO Truck Air Brake System — Steel Housing OEM Replacement Part
Product Overview
This Brake Chamber Spring Valve (Chassis Spring Valve) is a verified direct-fit replacement for MITSUBISHI FUSO trucks, with OEM number MC326823 and installation position right-hand (RH). The component is a key actuator in the truck air brake system, converting compressed air pressure into mechanical braking force to drive the brake shoes or discs. Designed for MITSUBISHI FUSO series trucks, it offers bolt-on fitment without modification.
Working Principle
The brake chamber is the actuating mechanism of the air brake system. Its core function is to convert compressed air pressure from the brake valve into mechanical thrust. Compressed air enters the chamber and pushes an internal diaphragm or piston, transmitting force through a push rod to the brake slack adjuster, which rotates the brake camshaft to press the brake shoes against the drum and generate braking force. The spring valve inside the chamber serves as a pressure control element, managing the switching and holding function between service braking and parking braking.
Failure Symptoms
- Brake pedal feels soft or brake response is delayed
- Continuous air leak (hissing sound) audible near the brake chamber
- Parking brake fails to release or hold properly
- Vehicle pulls to one side during braking; significantly reduced braking force
- Abnormal push rod travel; brake clearance cannot be adjusted properly
These symptoms indicate that the brake chamber spring valve internal seals have worn or failed. Prompt replacement is required to prevent total brake system failure.
Verified Specifications
Material Verified: Steel housing construction meeting commercial vehicle brake system structural strength requirements
Dimensions & Weight Verified: Package size 50*20*20cm, unit weight 8kg
OE Cross-Reference Verified: Replaces OEM MC326823; related numbers include MK326822, MK326823, 8-98169282, 898169282, MK584026, MK584304
Fitment Verified: Fits MITSUBISHI FUSO trucks; installation position right-hand (RH)
100% Factory Tested: Every unit tested before shipment for seal performance and air tightness
| Part Number: | MC326823 | Product Name: | Brake Chamber Spring Valve |
|---|---|---|---|
| Car Model: | FUSO | Engine Model: | FUSO |
| 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
| Brand | Model | Installation Position | Years |
|---|---|---|---|
| MITSUBISHI FUSO | FUSO Series Trucks | Right Hand (RH) | 2000-2020 (reference) |
Important Notes:
- This is a right-hand (RH) brake chamber spring valve; confirm the required installation position before ordering
- Related number MK326822 is the left-hand (LH) counterpart — note the left/right distinction
- Different model years may use chamber variants; verify the original chamber's appearance and port configuration
- Confirm the chamber-to-air-line connection thread specification matches during installation
Features & Benefits
| Feature | Benefit + Verification Signal |
|---|---|
| Steel Housing Construction | Withstands high-pressure pneumatic loads with structural integrity — material specification verified as Steel |
| OE Direct-Fit Replacement | Bolt-on installation without modification — fits MITSUBISHI FUSO trucks right-hand (RH) |
| 100% Factory Tested | Every unit air-tightness tested before shipment — supplier executes 100% outgoing testing |
| Complete OE Cross-Reference | Compatible with multiple related OEM number replacements — covers MK326822, 8-98169282, etc. |
| In-Stock Availability | Reduced downtime for repairs — stocked inventory, small MOQ accepted (2 pcs) |
| 6-Month Warranty | Quality commitment reducing procurement risk — supplier provides 6-month warranty |
Quality Control & Verification
| QC Item | Verification Method / Standard |
|---|---|
| Air Tightness Test | Pneumatic seal test to verify diaphragm and valve body leak-free |
| Housing Material | Material certificate verification of steel composition |
| Push Rod Travel | Dedicated gauge for push rod extension and return stroke |
| Spring Valve Function | Service/parking brake air pressure switching test |
| Thread Specification | Thread gauge inspection of air line port |
| Appearance & Marking | Visual inspection, OEM number clearly marked |
| Outgoing Inspection | 100% outgoing testing |
Installation & Maintenance Recommendations
Critical Safety Advisory: Brake chamber replacement involves a core component of the air brake system and must be performed by a qualified technician. Before installation, ensure system air pressure is fully released and the parking brake is applied to avoid sudden release of high-pressure air or spring force causing personal injury.
Installation Guidelines (Reference Workshop Manual):
- Apply parking brake, shut off engine, and release compressed air from the system to a safe pressure level
- Disconnect the air lines connected to the chamber; mark line positions to prevent incorrect reassembly
- Remove chamber mounting bolts and push rod connection pin; take out the old chamber
- Install the new chamber, ensure the gasket is intact, and tighten mounting bolts to the torque specified in the workshop manual
- Connect the push rod to the brake slack adjuster; install the connection pin and cotter pin
- Reconnect the air lines, ensuring fittings are secure and leak-free
- Start the engine, charge system air pressure to normal operating level, and check all connections for leaks
- Perform a brake pedal response test; confirm normal brake response and proper parking brake release
Always refer to the MITSUBISHI FUSO original workshop manual for exact torque values.
Maintenance Schedule:
- Every 5,000 km: Check brake system air pressure and inspect chamber area for signs of leakage
- Every 20,000 km: Inspect chamber housing, push rod, and seal condition; test brake pedal response
- Every 40,000 km: Full brake system inspection including chambers, slack adjusters, and air lines
- If brake response slows, continuous hissing is heard, or parking brake malfunctions, inspect the chamber immediately and consider replacement
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