Steel Housing Air Chamber MK326823 MK326822 for Mitsubishi Fuso FV515 with 6.2kg Standard Weight and 12-Month Warranty
| Cross-Reference: | MC326823, 1-48250868-2, MC326822L, S44Y0-E0060, 60136925, 60153395 | Model Years: | 2000–2020 |
| Unit Weight: | 6.2kg | Material: | Steel |
| Position: | Rear Axle | Part Name: | Air Chamber / Brake Chamber |
| Vehicle Fitment: | Mitsubishi Fuso FV515 (2000–2020) | Installation: | Direct OEM Replacement |
| High Light: | Steel Housing Air Chamber,6.2kg Standard Weight Brake Chamber,12-Month Warranty MK326823 MK326822 |
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The Air Chamber (Brake Chamber) with OEM numbers MK326823 and MK326822 (cross-reference MC326823, 1-48250868-2, MC326822L, S44Y0-E0060) is a verified direct-fit replacement for Mitsubishi Fuso FV515 series heavy-duty trucks. This air chamber is the actuator of the air brake system, responsible for converting compressed air pressure into mechanical force that pushes the brake shoes against the brake drum to stop the vehicle.
The air chamber is mounted near the axle brake mechanism and connected to the brake valve via air lines. When the driver presses the brake pedal, compressed air enters the chamber, pushing the internal rubber diaphragm or piston outward. The push rod transmits force to the slack adjuster, which expands the brake shoes against the brake drum to generate braking force. When the pedal is released, air is exhausted from the chamber and the return spring retracts the push rod, releasing the brake.
Replace immediately if any of these symptoms occur:
- Brake Pull — Vehicle pulls to one side during braking (damaged diaphragm or inconsistent push rod travel)
- Weak Braking / Longer Stopping Distance — Insufficient braking force (internal air leak or aged diaphragm)
- Air Pressure Leak — Audible air leak at the chamber; pressure gauge drops rapidly (aged seals or cracked housing)
- Brake Drag — Brakes do not fully release after pedal is released (failed return spring or stuck push rod)
- Complete Brake Failure — Wheel has no braking force due to complete chamber failure (serious safety hazard)
| Part Number | MK326823 MK326822 |
|---|---|
| Product Name | Air Chamber |
| Car Model | Fuso FV515 |
| Engine Model | Fuso FV515 |
| Condition | 100% Brand New |
| Material | High-strength aluminum alloy & precision bearings |
| Main Market | Middle East, Asia, Africa, South America, North America & Europe |
| Brand | Model | Chassis | Years | Notes |
|---|---|---|---|---|
| Mitsubishi Fuso | FV515 | FV515 | 2000–2020 | Primary fitment |
| Mitsubishi Fuso | FV Series | FV413 / FV415 | — | Compatible fitment |
Important Notes:
- Confirm chamber model matches your vehicle's brake system before installation
- Recommended to replace both left and right sides simultaneously for balanced braking
- Adjust brake clearance and bleed the brake system after installation
- For 100% accurate fitment, please provide VIN (Chassis Number)
| Feature | Benefit |
|---|---|
| Steel Housing Construction | High strength, corrosion-resistant, impact-resistant for heavy-duty truck high-pressure braking |
| 6.2kg Standard Weight | Exact match to OEM specifications for correct push rod travel and braking force |
| Multiple OE Cross-References | Interchangeable with MC326823, 1-48250868-2, MC326822L, S44Y0-E0060 |
| IZUMI/Xingquande Brand Quality | Well-known international brand, specifically designed for Mitsubishi Fuso |
| Broad Compatibility | Fits Mitsubishi Fuso FV515 (2000–2020) and FV series models |
| Direct OE Fit Replacement | No modification needed for quick installation |
| 12-Month Warranty | Peace of mind on manufacturing defects |
| QC Item | Verification Method | Standard |
|---|---|---|
| Housing Material | Spectrographic analysis | Meets steel standard |
| Air Tightness Test | Pneumatic test bench | No leakage, pressure hold passed |
| Push Rod Travel | Stroke measurement | Meets OEM specifications |
| Diaphragm/Piston Integrity | 100% visual inspection | No cracks, deformation |
| Visual Inspection | 100% visual inspection | No rust, no machining defects |
IMPORTANT: The air chamber is a critical safety component of the vehicle braking system. Improper installation may cause brake failure, leading to serious traffic accidents. Installation should be performed by qualified professionals.
Installation Steps (Refer to workshop manual):
- Safety Prep — Park on level ground, chock wheels, lift and support axle
- Release Air Pressure — Deplete compressed air from the brake system
- Remove Old Chamber — Disconnect air lines, remove mounting bolts, remove old chamber
- Clean Mounting Surface — Thoroughly clean chamber mounting bracket
- Install New Chamber — Mount new chamber onto bracket; torque bolts to workshop manual specification
- Connect Air Lines — Connect air lines; ensure proper sealing
- Adjust Brake Clearance — Adjust slack adjuster to specified clearance
- Bleed System — Start engine; bleed the brake system
- Road Test — Perform road test — confirm normal braking, no pulling, no leaks
| Item | Interval |
|---|---|
| Brake System Inspection | Every 10,000 km or 6 months |
| Chamber Air Tightness Check | During each service |
| Chamber Replacement | When leaks, abnormal braking is found; or at 150,000 km |
- Packaging — Neutral carton / Custom branded packaging
- Packaging Unit — 1 piece/box
- MOQ — 1 piece
- Target Customers — Truck parts wholesalers, repair chain stores, fleet purchasers, cross-border e-commerce sellers
- Delivery Time — 7–10 days (standard orders)
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