Overview
The ZF 2099.329.018 PIN is a precision-engineered locating and alignment component specifically designed for the WG100, WG130, and WG131 transmission series. This OEM genuine part, identified by SKU 2099.329.018, serves as a critical fastener within the differential assembly, ensuring that internal gears and shafts remain in exact axial position under high torque loads. By securing the 2093109055: DIFFERENTIAL components, this pin prevents rotational misalignment that can lead to premature wear across the entire drivetrain.
Symptoms of Failure
When the ZF 2099.329.018 PIN begins to fail, operators typically notice three distinct warning signs. First, a persistent clicking or knocking noise from the transmission housing during low-speed turns indicates pin looseness. Second, intermittent gear slipping under load occurs as the pin loses its interference fit, allowing the 0750117075: TAPER ROLLER BEARING to shift. Third, metal debris in the transmission fluid signals that the pin surface has worn against the 2093209094: DIFFERENTIAL bore. Fourth, difficulty engaging or disengaging gears suggests the pin has sheared, causing the 2093309078: DIFF.HOUSING to flex under stress.
Technical Specifications
| Parameter | Value |
|---|---|
| OEM Part Number | 2099.329.018 |
| Material | Case-hardened alloy steel (16MnCr5 equivalent) |
| Diameter (Nominal) | 12 mm |
| Length | 45 mm |
| Hardness | 58–62 HRC (core) |
| Weight | 0.042 kg |
| Surface Finish | Phosphate coated (anti-corrosion) |
Compatibility
This genuine ZF pin is engineered for the WG100, WG130, and WG131 heavy-duty transmission models. It also fits the WG180 and WG200 series when used in conjunction with the 0631100223: SPRING PIN for secondary retention. Always verify that the 0730300820: THRUST WASHER and 4482360002: AXLE BEVEL GEAR are inspected simultaneously, as pin wear often damages these adjacent components.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109055 | DIFFERENTIAL | Distributes torque between drive wheels |
| 0750117075 | TAPER ROLLER BEARING | Supports radial and axial loads on shafts |
| 2093209094 | DIFFERENTIAL | Secondary differential gear set |
| 2093309078 | DIFF.HOUSING | Encloses differential gears and pin |
| 0631100223 | SPRING PIN | Secondary retention for locating pins |
| 0730300820 | THRUST WASHER | Reduces axial friction between gears |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to axle shafts |
| 2097309085 | DIFFERENTIAL AXLE | Connects differential to wheel hubs |
| 5838300811 | THRUST WASHER | High-load axial bearing surface |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Primary gear for speed differentiation |
Frequently Asked Questions
Q: Can the 2099.329.018 pin be reused after removal?
A: No. This is a one-time-use interference-fit pin. Reusing it risks shearing due to work-hardening of the material. Always install a new OEM pin along with a fresh 0631100223: SPRING PIN.
Q: How do I confirm the pin is seated correctly?
A: After installation, the pin must be flush within 0.1 mm of the housing face. Use a depth micrometer to verify. If the 2097309085: DIFFERENTIAL AXLE binds during rotation, the pin is likely proud and requires reseating.
Q: What torque should be applied to the retaining bolt?
A: This pin does not use a retaining bolt. It relies on a press-fit into the 2093309078: DIFF.HOUSING. Ensure the bore is clean and dry before pressing to 2.5 kN of axial force.
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Phone: +86 158 2286 3467 |
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