Overview
The ZF 2093.304.002 DOUBLE GEAR is a critical component engineered for the WG100, WG130, and WG131 transmission series. This OEM genuine part functions as a precision-machined gear cluster that transfers torque between the input shaft and the intermediate shaft, ensuring smooth power flow under heavy load conditions. The SKU 2093.304.002 is specifically designed to withstand high cyclic stress in commercial vehicle applications. When installed alongside the 2093101052: HOUSING, this double gear maintains correct gear mesh alignment, reducing vibration and extending overall transmission life.
Symptoms of Failure
- Whining or grinding noise during acceleration: Worn gear teeth on the 2093.304.002 produce a distinct high-pitched whine, especially noticeable when shifting from 2nd to 3rd gear.
- Intermittent gear slippage under load: As the double gear loses tooth profile integrity, the transmission may momentarily lose torque transfer when climbing grades or hauling heavy loads.
- Metallic debris in transmission fluid: Pitting or spalling on the gear surface releases fine metal particles into the oil, often visible during routine drain intervals.
- Hard shifting or gear clash: Damaged gear teeth prevent smooth engagement, causing the driver to force the lever into position with an audible clash.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2093.304.002 |
| Gear Type | Double Helical Gear (Cluster) |
| Material | Case-Hardened Alloy Steel (20MnCr5) |
| Outside Diameter | 142.5 mm |
| Face Width | 38.2 mm |
| Number of Teeth (Primary) | 28 |
| Number of Teeth (Secondary) | 22 |
| Weight | 2.85 kg |
| OEM Reference | ZF 2093.304.002 |
| Heat Treatment | Carburized & Tempered to HRC 58-62 |
Compatibility
This double gear is engineered for the ZF WG100, WG130, and WG131 mechanical transmissions commonly found in medium-duty trucks and construction equipment. It is also compatible with the WG180 and WG200 series when used in specific gear positions. For proper installation, ensure the 2093298063: TRANSMISSION HOUSING is inspected for wear, and the 2093301069: TRANSMISSION HOUSING is aligned correctly to prevent premature gear failure. Always replace the 4475280015: SCREW PLUG during service to maintain oil seal integrity.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093101052 | HOUSING | Encloses gear cluster and supports bearing bores |
| 2093298063 | TRANSMISSION HOUSING | Main structural housing for WG series |
| 2093301069 | TRANSMISSION HOUSING | Rear housing section with output flange |
| 4475280015 | SCREW PLUG | Seals oil drain or fill port |
| 0730365092 | TYPE PLATE | Identification label for transmission model |
| 4475280150 | SCREW PLUG | Magnetic drain plug for debris collection |
| 0634304731 | O-RING | Seals housing joint against oil leaks |
| 2093301033 | COVER | Access cover for gear inspection |
| 0636015073 | HEXAGON SCREW | Fastener for housing and cover assembly |
| 0634314235 | O-RING | Seals screw plug against fluid loss |
Frequently Asked Questions
Q: How do I know if the 2093.304.002 double gear is the correct replacement for my WG130 transmission?
A: Verify your transmission model number on the type plate (part 0730365092). The double gear fits all WG100, WG130, and WG131 variants. If your transmission is a WG180 or WG200, confirm the gear position matches the 28/22 tooth count.
Q: Should I replace the housing gaskets when installing this gear?
A: Yes. Always install new O-rings (0634304731 and 0634314235) and a new screw plug (4475280015) to prevent oil contamination and leaks. Inspect the transmission housing (2093298063) for cracks or wear before reassembly.
Q: What causes premature failure of this double gear?
A: The most common cause is low oil level or contaminated fluid. Additionally, a misaligned housing (2093301069) can create uneven tooth contact, leading to pitting and eventual tooth breakage under load.
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ZF 2093.304.002 DOUBLE GEAR – Gear RFQ Support
ZF 2093.304.002 DOUBLE GEAR is handled as a gear-train sourcing item for transmission repair teams. PartsZF can review the part number and documentation before quotation.
Part-Number Summary
Use ZF number 2093.304.002 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
This gear supports gear train repair, rebuild, and part-number matching work. Send machine, transmission, or removed-part evidence with your RFQ for faster review.
Cross Reference Support
If you have an OEM number, old supplier number, or visible marking, include it with your RFQ so PartsZF can compare it with the available records.
Specification Snapshot
| ZF part number | 2093.304.002 |
|---|---|
| Normalized SKU | 2093304002 |
| Part name | DOUBLE GEAR |
| Product category | gear |
| RFQ support | Part-number lookup and documentation review |
| Media support | Product photo or diagram review when available |
Image and Documentation Notes
Current product media status: fallback. Product photos, diagram positions, and nameplate images help speed up part-number confirmation and quotation preparation.
RFQ Checklist
- ZF part number or OEM cross-reference number
- Machine model, transmission model, or nameplate photo
- Removed-part photos or visible markings
- Quantity, destination, and documentation requirements
- Final selection is confirmed by exact part number, machine context, and available documentation.
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