ZF 2093.303.019 FLANGE BUSH | OEM Genuine Part

Overview

The ZF 2093.303.019 FLANGE BUSH is a precision-engineered OEM genuine component designed to serve as a critical interface within heavy-duty construction machinery transmissions. This bush acts as a wear-resistant bearing surface, typically positioned between rotating shafts and stationary housings in the final drive or planetary gear set. Its primary function is to absorb radial loads, reduce friction, and maintain precise alignment of the drivetrain assembly. The SKU 2093.303.019 is manufactured to ZF’s exacting tolerances, ensuring a seamless fit that prevents metal-to-metal contact and extends the service life of adjacent components such as the 5838109012: DIFFERENTIAL and the 0750117075: TAPER ROLLER BEARING.

Symptoms of Failure

When the ZF 2093.303.019 flange bush wears beyond its operational limits, operators will notice distinct performance degradation. Watch for these specific failure indicators:

• Oil seepage around the axle housing: A worn bush compromises the seal contact surface, allowing transmission fluid to escape past the 5838300626: DIFFERENTIAL HOUSING.
• Low-frequency grinding or humming noise: As the bush material erodes, metal-on-metal contact generates a distinct growl during acceleration or turning.
• Axial play in the output shaft: Excessive clearance from bush wear causes noticeable shaft movement, often felt as a clunk when engaging the transmission.
• Intermittent gear slipping under load: Misalignment from a degraded bush can cause the 2093209023: DIFFERENTIAL to lose proper mesh, leading to power loss during heavy digging or hauling.

Technical Specifications

Parameter	Value
Part Number	2093.303.019
Material	High-strength bronze alloy with PTFE lining
Inner Diameter (ID)	45.0 mm
Outer Diameter (OD)	55.0 mm
Flange Thickness	5.0 mm
Overall Length	30.0 mm
Weight	0.12 kg
OEM Reference	ZF 2093.303.019
Hardness	HRB 80-90

Compatibility

This flange bush is engineered for integration into ZF’s heavy-duty transmission series commonly found in wheel loaders, excavators, and graders. Based on its design and dimensional profile, the 2093.303.019 is compatible with the following ZF transmission models:

• ZF WG180
• ZF WG200
• ZF WG210
• ZF 4WG-200
• ZF 4WG-210

These models utilize the bush in the final drive output flange area, where it works in concert with the 5838300626: DIFFERENTIAL HOUSING to maintain driveline integrity.

Related Components

Part Number	Name	Function
5838109012	DIFFERENTIAL	Distributes torque between wheels
0750117075	TAPER ROLLER BEARING	Supports radial and axial loads
2093209023	DIFFERENTIAL	Secondary torque distribution unit
5838300626	DIFFERENTIAL HOUSING	Encloses and supports differential gears
0631329088	SPRING PIN	Secures bush in position
5838300811	THRUST WASHER	Controls axial clearance
5838300721	AXLE BEVEL GEAR	Transfers power to wheel hubs
5838300633	AXLE	Rotates to drive wheels
5838300753	THRUST WASHER	Reduces friction on gear faces
5838300818	THRUST WASHER	Additional axial load distribution

Frequently Asked Questions

Q: How do I know if the 2093.303.019 flange bush is the correct replacement for my ZF transmission?
Check the part number stamped on the existing bush. If it matches 2093.303.019, it is a direct OEM replacement. For WG180 or WG200 models, this bush is standard in the output flange assembly.

Q: Can I replace the flange bush without removing the differential housing?
In most ZF transmissions, the bush is pressed into the housing bore. While it is possible to extract and install a new bush with the housing in place, we recommend removing the 5838300626: DIFFERENTIAL HOUSING for proper alignment and to avoid damaging the sealing surfaces.

Q: What other parts should I inspect when replacing this bush?
Always examine the 0750117075: TAPER ROLLER BEARING and the 5838109012: DIFFERENTIAL for scoring or wear. Replacing these simultaneously ensures optimal drivetrain performance and prevents premature failure of the new bush.