Model:Liebherr Crawler Tractor Hydraulic cylinder seal kit
Part Name:Hydraulic cylinder Piston seal kit
Part Number:9064515
Cylinder NO:9955783
Material:HNBR+PTFE+TPU
For:Liebherr PR734,PR736,PR744,PR746 Crawler Tractor
Packaging Details:bag or box +carton
Certification:IOS 9001
Delivery Time:2-5days upon payments confirmed
Position:Liebherr Crawler Tractor hydraulic Systerm
Brand:TOPARTS, OEM or as Required
Payment Terms: TT/Paypal/WEST UNION
Supply Ability:100
MOQ:1set
Parts list
| NO. | Order Nr . | Quantity | Designation |
| 1 | 1,000 | PISTON | |
| 3 | 91 08 659 | 3,000 | BUSHING |
| 5 | 91 08 660 | 6,000 | VALVE PISTON |
| 7 | 91 08 661 | 3,000 | PRESSURE SPRING |
| 9 | 99 55 782 | 1,000 | WASHER |
| 12 | 72 64 002 | 3,000 | O-RING |
| 14 | 72 64 418 | 1,000 | O-RING |
| 16 | 70 27 363 | 1,000 | LIFETIME SEAL |
| 17 | 70 03 436 | 2,000 | PISTON GUIDE RING |
| 18 | 91 28 544 | 2,000 | PISTON GUIDE RING |
| 20 | 70 02 811 | 2,000 | SUPPORTING RING |
| 21 | 72 64 687 | 1,000 | O-RING |
| 985 | 92 11 967 | -1,000 | MOUNTING KEY PISTON NUT |
| 989 | 80 07 364 | -1,000 | PISTON WRENCH |
| 990 | 99 98 626 | -1,000 | ASSEMBLY BUSHING |
| 991 | 91 10 405 | -1,000 | EXPANDING BUSHING |
| 998 | 91 13 081 | 1,000 | REPAIR KIT PISTON |
| 999 | 90 64 515 | 1,000 | SEALING SET FOR PISTON |
Exploded View
Our advantage: original system data to ensure accurate size
Toparts 9064515 Hydraulic Cylinder Piston Seal Kit for Liebherr PR734 Crawler Tractor
Restore the maximum pushing power and hydraulic efficiency of your dozer with the Toparts 9064515 Hydraulic Cylinder Piston Seal Kit. Specifically engineered for the Liebherr PR734 Crawler Tractor, this high-performance piston seal kit is the definitive solution for professional-grade hydraulic cylinder repair.
Optimized for Liebherr PR734 Heavy-Duty Performance
The Liebherr PR734 is a powerhouse in earthmoving and site preparation, demanding absolute hydraulic integrity. The piston seal is the “heart” of the cylinder’s internal pressure management. Toparts 9064515 is designed to meet the rigorous demands of Liebherr’s high-pressure systems, ensuring that your blade stays firm and responsive under the heaviest loads.
Key Features and Benefits:
Direct OEM Replacement: Precision-manufactured to replace Liebherr part number 9064515, ensuring a perfect fit for the internal piston assembly of your tractor’s hydraulic cylinders.
Restores Full Pushing Force: Eliminates internal fluid bypass—the leading cause of “cylinder drift” and loss of power. This kit ensures that all hydraulic energy is converted into productive work at the blade.
Advanced Material Composition: Utilizing premium-grade, low-friction materials (such as reinforced PTFE or high-tensile elastomers) that provide exceptional resistance to heat, high-pressure spikes, and wear.
Long-Term Durability: Engineered to withstand the constant cycling and vibration characteristic of dozer operations, significantly extending the time between service intervals.
Cost-Efficient Overhaul: Provides a top-tier alternative to expensive OEM-branded kits, allowing you to maintain your Liebherr fleet at peak performance without compromising your maintenance budget.
Product Details:
Part Number (Seal Kit): 9064515
Compatible Machine: Liebherr PR734 Crawler Tractor (Dozer)
Application: Hydraulic Cylinder Piston Seal Service & Repair
Manufacturer: Toparts
Don’t let internal leaks diminish the productivity of your Liebherr PR734. Trust the Toparts 9064515 Hydraulic Cylinder Piston Seal Kit to deliver the reliability and strength required for your toughest earthmoving projects.
Would you like me to check the availability of the matching Rod Seals or complete overhaul kits for the PR734 lift and tilt cylinders?

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