YNF16835 D31P-20 Track Adjuster Seal Kit Excavator Tension Cylinder Repair Kit

The YNF16835 (D31P-20) Track Adjuster Seal Kit is designed for Komatsu D31P-20 bulldozers, providing a complete sealing solution for the track adjuster (tension cylinder). Built with high-quality rubber and polymer materials, this kit ensures smooth adjustment of track tension, prevents hydraulic leakage, and delivers long-lasting durability in tough working environments.

• Compatible with Komatsu D31P-20 bulldozers

• Direct replacement for OEM part number D31P-20

• Includes a full set of seals, O-rings, dust seals, and wear rings for complete track adjuster repair

• Manufactured using premium NBR, PU, and PTFE materials resistant to heat, pressure, and hydraulic oil

• Ensures stable and leak-free operation of the tension cylinder

• OEM-standard dimensions for accurate fit and easy installation

• Suitable for both routine maintenance and full cylinder overhaul

• Improves track system reliability and reduces downtime

• Machine model: Komatsu D31P-20

• Component: Track Adjuster / Tension Cylinder

• Ideal for construction, roadwork, earthmoving, and general dozer operations.

• Installation tips and technical guidance

• Pre-shipment size and photo confirmation

• Stable long-term supply for wholesalers and repair shops

• Custom tension cylinder seal kits available upon request

• Seals are individually packed in protective bags

• Export-standard cartons for safe transport

• Neutral packaging or YNF branded packaging available

Q1: Can this seal kit fit other Komatsu models?
A: It is made for D31P-20. Send us your OEM number or photos for compatibility checks.

Q2: What’s the typical service life?
A: Generally 12–24 months, depending on working conditions and maintenance.

Q3: Do you accept mixed orders?
A: Yes, we support combining different excavator and bulldozer parts in one shipment.