Genuine ZF 1st Speed Gear 51T 0091304339 OEM Replacement for ZF S6S7 Heavy-Duty Transmissions
- 24/7 order processing with DHL/FedEx express options.
- In-stock availability for urgent repairs.
- Free technical guidance on installation and compatibility
- P/N:0091304339
Genuine ZF 1st Speed Gear 51T 0091304339 | OEM Replacement for ZF S6/S7 Heavy-Duty Transmissions
Product Overview
This ZF part (#0091304339) is manufactured to ZF’s exact OEM specifications for S6-650/S7-900 series transmissions. Key features include:
- 51-tooth helical gear design with 20° pressure angle
- Forged 18CrNiMo7-6 alloy steel construction
- Case-hardened surface (58-62 HRC) for maximum durability
- 100% interchangeability with ZF 0091304339 standard
Parameter Specification OEM Number 0091304339 Compatibility ZF S6-650, S7-900 Series Material 18CrNiMo7-6 alloy steel Hardness 58-62 HRC surface-hardened Torque Rating 1,100 Nm max input Certification ZF B40.3339.01 OEM Standard Installation Tips
- Heat gear to 80°C (176°F) for interference fit assembly
- Align timing marks with countershaft gear (12 o’clock position)
- Torque retaining nut to 300 Nm +90° angle tightening
- Use ZF-approved Cera Tec assembly paste (PN: S671090566)
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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