Overview
The ZF 0501.316.817 HOSE is a critical fluid transfer component engineered for high-pressure hydraulic circuits within ZF construction machinery transmissions. This OEM genuine part, identified by SKU 0501.316.817, routes transmission oil between the valve body and the cooler circuit, ensuring consistent lubrication and thermal regulation. Positioned in the upper valve block assembly, this hose withstands extreme thermal cycling and vibration fatigue. For complete drivetrain integrity, it is often replaced alongside the 5838109009: DIFFERENTIAL to prevent cross-contamination from debris.
Symptoms of Failure
- Hydraulic oil leaks near the transmission bell housing – Cracking of the outer rubber sheath leads to visible drips, especially after cold starts.
- Erratic gear engagement or delayed shifting – Internal hose delamination restricts oil flow, causing pressure drops to the clutch packs.
- Transmission overheating under load – A collapsed hose reduces cooler circuit flow, raising sump temperatures above 120°C.
- Whining noise from the pump circuit – Air ingestion through a cracked hose creates cavitation sounds during acceleration.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0501.316.817 |
| Hose Inner Diameter | 12.7 mm (1/2 inch) |
| Hose Outer Diameter | 22.0 mm |
| Overall Length | 410 mm |
| Material | Nitrile rubber with braided steel reinforcement |
| Weight | 0.18 kg |
| OEM Reference | ZF 0501.316.817 |
| Max Working Pressure | 25 bar |
| Temperature Range | -40°C to +150°C |
Compatibility
This hose is designed for ZF powershift transmissions used in wheel loaders and graders. Compatible models include the WG180, WG200, and WG210 series. It also fits the 4WG-200 and 6WG-200 variants. When servicing the cooler circuit, always inspect the 0750117075: TAPER ROLLER BEARING for wear, as bearing debris can clog the hose. Additionally, verify the condition of the 2093209023: DIFFERENTIAL and the 5838300626: DIFFERENTIAL HOUSING to ensure no metal shavings have migrated into the hydraulic system.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109009 | DIFFERENTIAL | Distributes torque to drive axles |
| 0750117075 | TAPER ROLLER BEARING | Supports rotating shaft loads |
| 2093209023 | DIFFERENTIAL | Manages wheel speed differences |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses differential gears |
| 0631329088 | SPRING PIN | Secures linkage assemblies |
| 5838300811 | THRUST WASHER | Reduces axial friction |
| 5838300721 | AXLE BEVEL GEAR | Transfers power to wheel hubs |
| 5838300633 | AXLE | Transmits rotational force |
| 5838300753 | THRUST WASHER | Controls end-play clearance |
| 5838300818 | THRUST WASHER | Prevents gear face wear |
Frequently Asked Questions
Q: Can I use a generic rubber hose instead of the ZF 0501.316.817?
A: No. This hose is specifically reinforced to handle transmission fluid at 25 bar and high temperatures. A generic hose will swell and rupture, causing total transmission failure.
Q: How often should the 0501.316.817 hose be replaced?
A: ZF recommends replacement every 2,000 operating hours or during any major transmission overhaul. Inspect it annually for surface cracks or soft spots.
Q: Is the hose compatible with synthetic transmission oils?
A: Yes. The nitrile rubber construction is fully compatible with Dexron III, ZF TE-ML 03, and synthetic 10W-30 transmission fluids.
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