Overview
The ZF 2093.310.048 Impulse Gear is a precision-machined component designed for the differential assembly within ZF WG100, WG130, and WG131 transmissions. This OEM genuine part functions as a critical speed-sensing element, transmitting rotational data from the differential carrier to the transmission control unit. It sits directly on the differential housing and interfaces with the 2093109002: DIFFERENTIAL to ensure accurate torque distribution. The SKU 2093.310.048 is manufactured to ZF’s exacting tolerances, guaranteeing seamless integration and long service life in heavy-duty applications.
Symptoms of Failure
- Erratic gear engagement or slipping: A worn impulse gear can cause inconsistent signal transmission, leading to delayed or harsh shifting between gears.
- Unusual whining or grinding noise from the differential area: Damaged teeth on the impulse gear produce a distinct metallic sound during operation, especially under load.
- Transmission warning light activation: Faulty speed data from the impulse gear triggers diagnostic trouble codes, often accompanied by reduced power or limp mode.
- Oil contamination in the sensor cavity: Cracks or wear in the gear can allow transmission fluid to leak past seals, mixing with debris and accelerating component failure.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2093.310.048 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Outer Diameter | 98.5 mm |
| Inner Diameter | 45.0 mm |
| Thickness | 12.7 mm |
| Number of Teeth | 48 |
| Weight | 0.42 kg |
| OEM Reference | ZF 2093.310.048 |
| Surface Treatment | Phosphate coating for corrosion resistance |
Compatibility
This impulse gear is engineered for ZF WG-series transmissions, specifically the WG100, WG130, and WG131 models. It is also compatible with certain WG180 and WG200 variants that share the same differential housing design. For proper fitment, verify that your transmission uses the 2093309071: DIFF.HOUSING and the 0750117075: TAPER ROLLER BEARING assembly. The gear also pairs with the 2093209095: DIFFERENTIAL unit found in later production runs.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109002 | DIFFERENTIAL | Distributes torque between drive wheels |
| 0750117075 | TAPER ROLLER BEARING | Supports differential shaft rotation |
| 2093209095 | DIFFERENTIAL | Alternative differential unit for WG130 |
| 2093309071 | DIFF.HOUSING | Encloses differential gears and bearings |
| 0631100223 | SPRING PIN | Secures impulse gear to shaft |
| 0730300820 | THRUST WASHER | Reduces axial friction in differential |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to axle shafts |
| 2097309085 | DIFFERENTIAL AXLE | Connects differential to wheel hubs |
| 5838300811 | THRUST WASHER | Prevents gear end-play |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Primary gear set for torque splitting |
Frequently Asked Questions
Q: How do I know if the 2093.310.048 impulse gear is failing?
A: Listen for a high-pitched whine from the differential area during acceleration, or check for intermittent transmission warning lights. Physical inspection may reveal chipped teeth or excessive play on the shaft.
Q: Can I replace just the impulse gear without replacing the differential?
A: Yes, the impulse gear is a standalone serviceable part. However, always inspect the mating DIFFERENTIAL and TAPER ROLLER BEARING for wear during the same service interval.
Q: Is the 2093.310.048 compatible with aftermarket differentials?
A: This OEM genuine part is designed exclusively for ZF differential housings. Using it with non-ZF components may cause misalignment and premature failure.
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ZF 2093.310.048 IMPULSE GEAR – Gear RFQ Support
PartsZF helps B2B buyers source ZF 2093.310.048 IMPULSE GEAR with fast RFQ support, expert part-number lookup, documentation review, and export coordination. This gear page is built from confirmed catalog, media, and reference data to reduce sourcing uncertainty for construction machinery transmission parts.
Part-Number Summary
Use ZF number 2093.310.048 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Illustration section: P.T.O. SHAFT
- Illustration section: KIT P.T.O. SHAFT
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 | 2093.310.048 |
|---|---|
| Normalized SKU | 2093310048 |
| Part name | IMPULSE GEAR |
| Product category | gear |
| Cross-reference support | Available for RFQ review |
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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