ZF 4651.231.010 OIL LEVEL TUBE for WG100 | OEM Genuine Part

Overview

The ZF 4651.231.010 OIL LEVEL TUBE is a precision-engineered component designed specifically for the WG 100 Series transmission. This genuine OEM part ensures accurate fluid level measurement, which is critical for maintaining proper lubrication and hydraulic pressure within the gearbox. Positioned along the side of the main casing, the oil level tube interfaces directly with the 4651101007 TRANSMISSION HOUSING and the 4651301029 HOUSING to provide a reliable dipstick channel. The SKU 4651.231.010 is manufactured to ZF’s original specifications, guaranteeing a perfect seal and consistent performance over extended service intervals.

Symptoms of Failure

• Visible oil leaks around the tube base: When the 4651.231.010 tube or its sealing surfaces degrade, transmission fluid can seep out, leading to low oil levels and potential overheating.
• Inaccurate fluid level readings: A cracked or warped oil level tube causes false dipstick readings, making it difficult to maintain correct oil volume—a common cause of gear slipping in WG100 units.
• Contaminated transmission fluid: A damaged tube allows dirt and moisture to enter through the seal point, accelerating wear on internal components like the 0634303928 O-RING and adjacent housings.
• Whining noise from the transmission: Insufficient lubrication due to a compromised oil level tube can create audible whining or grinding during gear engagement.

Technical Specifications

Compatibility

This genuine ZF oil level tube is primarily designed for the WG 100 Series transmission family. Based on its part number structure and application, the 4651.231.010 is also compatible with the WG180, WG200, and WG250 models that share the same housing architecture. It directly mounts to the 4651301024 HOUSING assembly, ensuring a secure fit across multiple ZF off-highway and industrial transmissions. Always verify your transmission model before installation.

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