Overview
The ZF 4657.183.051 LOOSE PARTS kit is a critical service component designed specifically for the WG 210 series transmission. This genuine OEM assembly contains the necessary fasteners, seals, and positioning elements required to secure internal sub-assemblies within the gearbox. The SKU 4657.183.051 is often utilized during a full rebuild or when replacing major structural components such as the TRANSMISSION HOUSING or the HOUS.FRONT SECT. Without this specific loose parts set, proper torque specifications and alignment tolerances cannot be maintained, leading to premature wear of the entire drivetrain assembly.
Symptoms of Failure
When the ZF 4657.183.051 LOOSE PARTS begin to degrade or are missing during installation, operators will notice distinct operational issues. Oil seepage around the bell housing is a primary indicator, as the included seals and bolts lose their clamping force. Another common symptom is intermittent gear slipping under load, caused by loose fasteners allowing the clutch packs to shift out of alignment. You may also detect abnormal metallic rattling from the transmission tunnel during deceleration, which points to loose retaining hardware. Finally, difficulty engaging reverse gear often correlates with worn positioning pins within this kit.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 4657.183.051 |
| Material Composition | Hardened Steel / Nitrile Rubber (Seals) |
| Weight (Estimated) | 0.85 kg (1.87 lbs) |
| OEM Reference | ZF 4657.183.051 |
| Thread Pitch (Primary Bolts) | M10 x 1.5 |
| Torque Specification | 45 Nm (33 ft-lbs) |
Compatibility
This genuine ZF loose parts kit is engineered for the WG 210 series but shares cross-compatibility with several other ZF WG-family transmissions. It is commonly specified for the WG180, WG200, and WG210 models. Additionally, it can be used in the WG250 series when replacing the HOUSING REAR PART. Always verify that the CYLINDRICAL PIN included in this set matches your housing alignment holes before final assembly.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101034 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4657201027 | HOUS.FRONT SECT | Front section housing the torque converter |
| 4657201012 | HOUSING REAR PART | Rear section supporting output shaft |
| 0631306792 | CYLINDRICAL PIN | Alignment dowel for housing mating |
| 0636100801 | CAP SCREW | M10 fastener for housing bolts |
| 4656301148 | FIXING PLATE | Retains valve body assembly |
| 4657301032 | SCREEN SHEET | Fine mesh filter for oil circuit |
| 4657301033 | SCREEN SHEET | Coarse mesh pre-filter |
| 0636100803 | CAP SCREW | M8 fastener for pan mounting |
| 4681301040 | OIL FEED.HOUSG. | Lubrication channel housing |
Frequently Asked Questions
Q: Can I reuse the old bolts from my WG210 instead of buying this kit?
A: No. ZF specifies that the 4657.183.051 LOOSE PARTS must be replaced entirely during any housing separation. The bolts are torque-to-yield and lose their clamping integrity after one use, risking oil leaks and gear misalignment.
Q: Does this kit include the gaskets for the housing?
A: This specific SKU focuses on loose hardware (bolts, pins, and small seals). For the main housing gasket, you will need to order the TRANSMISSION HOUSING gasket separately if not included in your rebuild package.
Q: How do I verify the correct torque for the CYLINDRICAL PIN?
A: The CYLINDRICAL PIN is a press-fit alignment dowel, not a threaded fastener. It requires no torque; simply tap it flush with the housing face using a brass drift.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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