MultiStar Cold – Your Source for Bus Air Conditioner Parts
The Valeo Z0004774AVD0F is a high-quality front and rear suction valve plate set designed for Valeo TM65 heavy-duty 14-cylinder swash plate compressors, widely used in bus and coach air conditioning systems. These valve plates control refrigerant flow into the compressor cylinders, ensuring efficient compression and reliable cooling performance.
Multistar Cold is your one-stop supplier for bus AC parts and transport refrigeration parts – original new and China-made options at competitive prices.
Valeo / OEM:
Z0004774AVD0F (Front/Rear Suction Valve Plates)
Related TM65 Parts:
Front/Rear Valve Plate with Gasket: Z0004775A052F
Front Cylinder Head: Z0007262A
Gasket Kit: Z0014427A
⚠️ Important Installation Notes
Based on Valeo TM65 service manual :
- Do not mistake front and rear valve plates – Ensure correct orientation during installation
- Check valve plates – Replace if scratched, bent, cracked, or broken
- Clean all sealing surfaces – Remove burrs and foreign matter
- Align valve plate with cylinder valve escape groove – Ensure each valve matches correctly
- Coat new gasket with clean compressor oil before installation
- Tighten bolts to specified torque – Front cylinder head bolts: 25-32 N·m
📊 Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | Z0004774AVD0F |
| Type | Front/Rear Suction Valve Plates |
| Compatible Compressor | Valeo TM65 |
| Compressor Technology | Heavy Duty Swash Plate |
| Displacement | 635 cc / 38.75 in³ per rev |
| Number of Cylinders | 14 (7 double-headed pistons) |
| Bore | 38.5 mm |
| Stroke | 38.9 mm |
| Shaft Seal | Lip seal |
| Refrigerant | HFC-134a |
| Oil | ZXL 100PG PAG Oil (1500 cc) |
🚛 Compatible Applications
| Application | Details |
|---|---|
| Bus & Coach AC | Valeo TM65 compressor overhaul |
| Compressor Models | TM65 |
| Vehicle Type | Large buses and coaches with TM65 air conditioning systems |
| Advantage | Benefit |
|---|---|
| Factory Direct | No middlemen – competitive pricing |
| Quality Focus | OEM-grade materials and testing standards |
| Fast Delivery | Ready stock and quick production turnaround |
| Technical Support | Expert assistance for fitment verification |
| Global Reach | Shipping to 50+ countries worldwide |
| Flexible MOQ | Low minimum order quantities |
Multistar Cold – Your one-stop supplier for bus AC parts, transport refrigeration parts, Thermo King parts, and Carrier Transicold parts. OEM-grade quality, competitive pricing, and global shipping from China.

