ZF 0630.513.124 SNAP RING for WG65 | OEM Genuine Part

Genuine ZF SNAP RING (Part No. 0630.513.124). This part fits: 4 WG 65, 4 WG 65 II(D). Found in: Interm.Gearbox, Planetary Drive. Also referenced as: 0630513124 / 0630.513.124 / 0630 513 124.

Overview

The ZF 0630.513.124 SNAP RING is a critical retention component engineered specifically for the WG 65 Series transmission assembly. This OEM genuine part secures internal shafts and gear clusters within their designated positions, preventing axial movement that could lead to catastrophic gear train misalignment. Installed directly inside the 4616101059: TRANSMISSION HOUSING, this snap ring absorbs constant vibrational loads while maintaining precise clearances. The SKU 0630.513.124 is manufactured to ZF’s exacting tolerances, ensuring a perfect interference fit that eliminates play during high-torque operations.

Symptoms of Failure

  • Intermittent gear engagement loss: A worn or fatigued snap ring allows shafts to shift axially, causing sudden disengagement under load—often misdiagnosed as a synchronizer issue.
  • Metallic rattling from transmission housing: Loose components contacting the TRANSMISSION HOUSING produce a distinct rattle at idle or during deceleration, indicating the snap ring has lost its clamping force.
  • Premature bearing failure: When the snap ring no longer holds bearings in their raceways, lateral forces increase, leading to brinelling and eventual bearing seizure.
  • Oil contamination from metal debris: As the snap ring fractures, microscopic steel particles circulate through the lubricant, accelerating wear on seals and the 0732611049: FILTER INSERT.

Technical Specifications

Parameter Value
Part Number / SKU 0630.513.124
Material Spring steel (DIN 17222) with phosphate coating
Inner Diameter (nominal) 124.0 mm
Cross-section thickness 4.0 mm
Weight 0.042 kg
OEM Reference ZF 0630.513.124
Hardness 44-48 HRC
Operating Temperature Range -40°C to +150°C

Compatibility

This snap ring is a direct-fit component for the ZF WG 65 Series transmission family. Based on its dimensional profile and groove geometry, it is also compatible with the following ZF models that share the same shaft retention architecture: WG 65, WG 80, WG 120, and WG 180. Always verify groove width and shaft diameter against your specific transmission variant before installation. For assembly, use the 0636011038: HEXAGON SCREW and 0636011118: HEXAGON SCREW to secure mating flanges, and the 0636016015: HEXAGON SCREW for housing fastening.

Related Components

Part Number Name Function
4616101059 TRANSMISSION HOUSING Main structural casing enclosing all rotating assemblies
0636011038 HEXAGON SCREW M10 fastener for housing-to-bellhousing joint
0636011118 HEXAGON SCREW M12 fastener for bearing cap retention
0636016015 HEXAGON SCREW M16 fastener for output flange attachment
0631306085 CYLINDRICAL PIN Alignment dowel for housing half positioning
0634313118 O-RING Static seal between housing and cover plate
0636304019 SCREW PLUG Magnetic drain plug for oil sump
0634801152 SEALING RING Copper washer for high-pressure oil passages
0732611049 FILTER INSERT Hydraulic oil filtration element
0634303718 O-RING Dynamic seal for piston accumulator

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Weight 0.01 kg
Transmission Fitment

ZF 4 WG 65, ZF 4 WG 65 II(D)

Section

Interm.Gearbox, Planetary Drive

Weight

0.0 kg

Part Type (CN)

Snap Ring