ZF 4044.301.113 WASHER | OEM Genuine Part

Overview

This OEM genuine ZF 4044.301.113 WASHER is a precision-engineered shim component designed to maintain critical axial clearances within ZF construction machinery transmissions. Positioned between the planetary carrier and the housing assembly, this washer prevents metal-on-metal contact and ensures proper load distribution during high-torque operations. The part number 4044.301.113 is an exact factory-specification replacement, guaranteeing the same dimensional tolerances as the original equipment. When paired with a 4143101009 HOUSING or a 4143301025 HOUSING, this washer forms a sealed interface that protects internal gears from debris ingress and lubricant loss.

Symptoms of Failure

• Transmission oil leaks at housing joint: A worn 4044.301.113 washer allows pressurized fluid to escape between the housing and cover, leaving visible drips under the vehicle.
• Gear slipping under load: When this washer loses its thickness, axial play increases, causing clutch packs to disengage momentarily during heavy digging or lifting operations.
• Metallic grinding noise from transmission: Insufficient washer height permits gear teeth to contact the housing wall, producing a distinct scraping sound during gear changes.
• Erratic shift timing: Worn washers alter the hydraulic balance in the valve body, leading to delayed or harsh shifts in forward/reverse patterns.

Technical Specifications

Compatibility

This washer is engineered for ZF WG series transmissions commonly found in wheel loaders, excavators, and telehandlers. It is a direct fit for the WG180, WG200, and WG210 models. The part also integrates with the WG150 and WG160 series when used in conjunction with a 0634313603 O-RING and a 4475280018 SCREW PLUG to seal the hydraulic circuit. Always verify your transmission model tag before ordering.

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