Overview
The ZF 6057.018.586 is a precision-engineered OEM genuine component designed specifically for the WG 160 series transmission. This part functions as a critical sealing and alignment element within the hydraulic control unit, ensuring consistent oil pressure regulation and smooth gear engagement. The SKU 6057.018.586 is positioned between the main valve body and the intermediate plate, where it prevents cross-contamination of fluid circuits. As an OEM genuine part, it guarantees factory-specified tolerances and material composition, directly impacting the transmission’s shift quality and longevity.
Symptoms of Failure
When the ZF 6057.018.586 begins to wear, operators often notice erratic shift timing during acceleration, particularly when the transmission is cold. A second common failure symptom is intermittent loss of reverse gear engagement, which may appear as a delayed or harsh reverse shift. Technicians frequently report low hydraulic pressure warnings on the dashboard display, accompanied by a whining noise from the valve body area. In advanced cases, transmission fluid contamination with metallic particles can occur, accelerating wear on adjacent components like the 4656101057: TRANSMISSION HOUSING and the 4656201075: HOUS.FRONT SECT.
Technical Specifications
| Parameter | Specification |
|---|---|
| OEM Part Number | 6057.018.586 |
| Material | Hardened alloy steel with anti-corrosion coating |
| Outer Diameter | 48.5 mm |
| Inner Diameter | 32.0 mm |
| Height | 14.2 mm |
| Weight | 0.085 kg |
| Operating Pressure Range | 8–22 bar |
| Temperature Range | -40°C to +120°C |
| OEM Reference | ZF 6057.018.586 (Genuine) |
Compatibility
This genuine ZF part is primarily engineered for the WG 160 series transmission family, which includes models such as WG160, WG161, and WG162. It is also compatible with the WG180 and WG200 series when used in conjunction with the appropriate 4656201078: HOUSING REAR PART and 4656298050: HOUSING REAR SECTION. The part fits all standard WG160 valve body configurations produced after 2010. For mixed-series applications, verify the housing bore diameter matches the 48.5 mm specification.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656101057 | TRANSMISSION HOUSING | Main structural casing for gear assembly |
| 4656201075 | HOUS.FRONT SECT | Front section housing for input shaft support |
| 4656201078 | HOUSING REAR PART | Rear housing section for output bearing retention |
| 4656298050 | HOUSING REAR SECTION | Extended rear housing for PTO mounting |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing mating surfaces |
| 4656301148 | FIXING PLATE | Retaining plate for valve body positioning |
| 0636100817 | CAP SCREW | M8x25 hex head bolt for housing fastening |
| 4656301016 | SCREEN SHEET | Fine mesh filter for hydraulic fluid |
| 4656301017 | SCREEN SHEET | Coarse mesh pre-filter for oil return line |
| 0636100803 | CAP SCREW | M6x16 bolt for screen sheet retention |
Frequently Asked Questions
Q: Can the 6057.018.586 be reused after a transmission overhaul?
A: No. This is a single-use component due to its crush-fit design. Reusing it will cause internal leakage and pressure loss. Always replace with a new OEM genuine part during rebuilds.
Q: How do I know if the 6057.018.586 is the correct part for my WG160?
A: Verify the part number stamped on the original component. If the number matches 6057.018.586, it is the correct part. Additionally, measure the outer diameter—it must be 48.5 mm for proper fitment in the WG160 valve body bore.
Q: What tools are required to install this part?
A: You will need a 12-point socket set, a torque wrench (range 8–15 Nm), and a soft-faced mallet. A seal installation tool is recommended to avoid damaging the anti-corrosion coating during insertion.
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Phone: +86 158 2286 3467 |
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