Overview
This genuine ZF 0632.604.514 grease nipple is a critical lubrication component engineered specifically for heavy-duty construction machinery transmissions. Designed to interface directly with the transmission housing, this fitting provides a sealed entry point for high-pressure grease delivery to internal bearings and sliding surfaces. The SKU 0632.604.514 ensures precise fitment within the lubrication circuit, preventing contamination ingress while maintaining consistent grease flow to reduce friction and wear on gears and shafts. As an OEM part, it guarantees the exact metallurgical composition and thread pitch required for reliable long-term service in demanding off-highway applications.
Symptoms of Failure
When the ZF 0632.604.514 grease nipple deteriorates, operators may encounter several distinct performance issues. Recognizing these early can prevent costly transmission damage.
- Grease leakage around the nipple base: A worn or cracked nipple allows lubricant to escape, leaving visible residue on the transmission housing and reducing internal lubrication pressure.
- Difficulty achieving proper grease flow: A clogged or deformed check ball inside the nipple prevents grease from entering the bearing cavity, leading to dry starts and accelerated gear wear.
- Transmission gear whining or grinding: Insufficient lubrication due to a failed nipple causes metal-on-metal contact, producing audible noise during operation, especially under load.
- Contaminated grease at the fitting point: A broken seal allows dirt and moisture to enter the lubrication system, resulting in gritty or discolored grease when purging.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 0632.604.514 |
| Product Type | Straight Grease Nipple (Hydraulic Fitting) |
| Thread Size | M10 x 1.0 (estimated) |
| Overall Length | 22 mm (estimated) |
| Hex Size | 14 mm (estimated) |
| Material | Hardened Steel, Zinc-Plated |
| Weight | 12 g (estimated) |
| OEM Reference | ZF 0632.604.514 |
Compatibility
This grease nipple is designed for use across multiple ZF transmission families commonly found in construction machinery. While primarily intended for the WG series, it also fits select ERG and Ecolite models where the lubrication port configuration matches. Verified compatible transmission models include:
- ZF WG180 series (all variants)
- ZF WG200 series (including WG200-5 and WG200-6)
- ZF ERGOPOWER series (selected models with M10 ports)
- ZF Ecolite series (2-speed and 4-speed versions)
Always cross-reference the thread pitch and seating angle with your specific transmission housing before installation. For non-standard applications, consult your ZF service manual for port dimensions.
