ZF 0735.358.201 ROLLER CAGE for WG65 | OEM Genuine Part

Overview

The ZF 0735.358.201 ROLLER CAGE is a precision-engineered component designed specifically for the WG 65 series of heavy-duty transmissions. This OEM genuine part functions as the critical retaining structure for needle rollers within the planetary gear set, ensuring proper roller alignment and load distribution during torque transfer. Positioned between the sun gear and planetary gears, the roller cage reduces friction and prevents metal-on-metal contact, directly influencing shift quality and transmission longevity. The SKU 0735.358.201 is manufactured to ZF’s exacting tolerances, making it an essential replacement for maintaining original equipment performance in off-highway and industrial applications.

Symptoms of Failure

• Gear slipping under load: A worn roller cage allows needle rollers to misalign, causing intermittent power loss during acceleration or uphill operation. This is a common symptom when the 0735.358.201 fails in WG65 transmissions.
• Metallic grinding noise from the transmission: As the cage degrades, loose rollers create audible scraping sounds, particularly in neutral or low gear ranges. This noise often precedes catastrophic planetary gear damage.
• Increased operating temperature: Friction from misaligned rollers generates excess heat, which may trigger thermal warnings or cause fluid breakdown. Operators frequently report “transmission overheating” alongside roller cage wear.
• Contaminated transmission fluid with metal particles: Flakes or shavings in the oil pan indicate the roller cage is disintegrating, requiring immediate inspection of the entire planetary assembly.

Technical Specifications

Compatibility

This roller cage is engineered for the ZF WG65 transmission series, which includes models such as WG65, WG80, WG100, WG120, WG150, WG180, and WG200. The 0735.358.201 fits planetary gear sets in both standard and reinforced configurations. For proper installation, the roller cage must be paired with a secure 4616101066 TRANSMISSION HOUSING to maintain axial alignment. Additionally, the 4616301307 HOUSING and 4616301309 HOUSING components are commonly replaced simultaneously to ensure proper clearance and prevent premature wear of the new roller cage.

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