Overview
The ZF 0501.211.343 SUCTION TUBE is a critical hydraulic component engineered specifically for the WG 210 Series transmission. This OEM genuine part, identified by SKU 0501.211.343, is responsible for channeling transmission fluid from the sump to the pump inlet. Positioned within the lower valve body assembly, it ensures a consistent, uninterrupted flow of oil to lubricate and cool internal gears and clutches. Without this tube, the transmission cannot maintain proper hydraulic pressure, leading to rapid wear of adjacent assemblies such as the TRANSMISSION HOUSING and the HOUS.FRONT SECT.
Symptoms of Failure
When the ZF 0501.211.343 SUCTION TUBE degrades, operators will notice distinct performance issues. Look for these specific failure symptoms to diagnose a worn part:
- Low hydraulic pressure and gear slipping: A cracked or warped suction tube allows air to enter the system, causing the pump to cavitate. This results in intermittent gear engagement and a loss of torque under load.
- Transmission overheating: Insufficient oil flow due to a blocked or collapsed tube prevents proper heat dissipation, leading to elevated operating temperatures and potential damage to the HOUSING REAR PART.
- Visible oil leaks at the pump interface: The O-ring seal on the suction tube often fails first. Look for drips or wet spots around the pump mounting area, which can contaminate the CYLINDRICAL PIN alignment points.
- Erratic shift timing: Air bubbles in the hydraulic circuit cause delayed or harsh shifts, particularly when the transmission is cold or under heavy acceleration.
Technical Specifications
| Specification | Value |
|---|---|
| OEM Part Number | 0501.211.343 |
| Material | Aluminum Alloy (Die-Cast) |
| Overall Length | 185 mm |
| Inner Diameter | 18 mm |
| Weight | 0.32 kg |
| Seal Type | Integrated O-Ring Groove |
| Operating Pressure | Up to 12 bar |
Compatibility
This genuine ZF 0501.211.343 SUCTION TUBE is primarily designed for the WG 210 Series transmissions. Based on its hydraulic routing geometry, it is also compatible with the following ZF models that share the same pump mounting architecture: WG 180, WG 200, and WG 211. Always verify the part number against your transmission’s serial plate before installation. For complete assembly integrity, inspect the TRANSMISSION HOUSING for cracks and ensure the CYLINDRICAL PIN is not sheared.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101047 | TRANSMISSION HOUSING | Main structural casing for gear sets |
| 4657201027 | HOUS.FRONT SECT | Front section housing pump and converter |
| 4657201020 | HOUSING REAR PART | Rear section supporting output shaft |
| 0631306792 | CYLINDRICAL PIN | Alignment dowel for housing halves |
| 0636100801 | CAP SCREW | Fastener for valve body retention |
| 4656301148 | FIXING PLATE | Secures suction tube to housing |
| 4657301032 | SCREEN SHEET | Fine mesh filter for oil pickup |
| 4657301033 | SCREEN SHEET | Coarse mesh pre-filter |
| 0636100803 | CAP SCREW | Bolt for pump mounting flange |
| 0750301003 | OIL FEED.HOUSG. | Oil distribution manifold |
Authorized ZF Distributor
We are a certified supplier of genuine ZF components.
