Genuine ZF 1250304440 3rd4th Gear Sliding Sleeve ZF Transmission Synchronizer Component
- 24/7 order processing with DHL/FedEx express options.
- In-stock availability for urgent repairs.
- Free technical guidance on installation and compatibility
- P/N:1250304440
Genuine ZF 1250304440 3rd/4th Gear Sliding Sleeve | ZF Transmission Synchronizer Component
Product Overview
✔ 100% authentic ZF transmission parts
✔ Case-hardened 16MnCr5 steel construction
✔ CNC-machined splines (DIN 5480 standard)
✔ Micro-polished contact surfaces (Ra 0.4μm)
✔ Pre-installed synchronizer rings
✔ Laser-marked with ZF part number
Technical Specifications:
| Parameter | Detail |
|---|---|
| Part Number | ZF 1250304440 |
| Application | ZF 16S series transmissions |
| Material | 16MnCr5 case-hardened steel |
| Surface Hardness | 58-62 HRC |
| Core Hardness | 30-35 HRC |
| Weight | 2.4kg ±0.05kg |
| Spline Teeth | 36 teeth (6° pressure angle) |
| Runout Tolerance | 0.03mm max |
| Temperature Range | -40°C to +150°C |
Simple Install Tip:
- Clean shaft splines with ZF cleaner (G052172A1)
- Apply ZF assembly paste (G052726A1) to sliding surfaces
- Use installation tool ZF T10944 for proper alignment
- Verify free movement (0.1-0.3mm axial play)
- Torque retaining bolts to 85Nm in star pattern
- Perform 50 test shifts before full operation
Why Choose Us?
- ZF-authorized parts supplier since 2012
- Includes material certification (EN 10204 3.1)
- 24-month unlimited mileage warranty
- Global same-day shipping from 5 warehouses
Packaging & Shipping
By Express : Suitable for sample order or <50 KG Fast:3-10 days High shipping cost Door to door service
By Air : Suitable for >50 KG Fast: 3-7 days Lower than express cost Airport to airport service
By Sea: Suitable for >300 KG Lower cost port to port service
As a leading supplier and dealer of ZF parts, we provide genuine components to maintain the integrity and efficiency of your gearbox system. Trust in our expertise and quality assurance to keep your ZF gearbox running smoothly.
| Installation Tips | Surface prep: Degrease with ZF Cliclean 3 solvent； Gasket application: Use Loctite 518 in continuous 1.5mm bead；； Alignment: Install using factory alignment pins (ZF tool B40 5003 recommended)；； Torque sequence:Initial: 12Nm star pattern—–Final: 28Nm + 90° angle torque；；；； Post-install: Pressure test at 2.5 bar before fluid fill |
|---|
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