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Seckin Makine | Producer of Wheel Rim and Hydraulic Cylinder
Seckin Makine | Producer of Wheel Rim and Hydraulic Cylinder 50 Years

Piston As. 158-8924

10 August 2026

Piston As. 158-8924

Excavator    Caterpillar    315D L

Bucket Cylinder    Bore    100,00    Stroke    1.048,00    Hydraulic Cylinder

1588924

7 kg

Compatible Brand: Caterpillar

Part Number: 158-8924 (1588924)

Superseded / Interchange Numbers: 158-8924, 1588924

Part Name: Excavator Bucket Cylinder Piston Assembly

Technical Specifications: Bore: Fits 100.00 mm / Stroke: Fits 1,048.00 mm Cylinder / Weight: ~7 kg

Compatible Machinery: Caterpillar Hydraulic Excavators (315D L series)

What It Does:

Serves as the internal hydraulic piston component operating inside the bucket cylinder on Caterpillar 315D L hydraulic excavators. It receives high-pressure hydraulic fluid force and converts it directly into linear mechanical force, transferring power to the piston rod and bucket linkage to drive bucket curl and dump cycles.

Importance:

Crucial for maintaining maximum hydraulic breakout force and pressure containment during heavy excavation, trenching, and digging operations. Precision-machined from high-strength steel, it holds the piston seals and wear bands firmly, preventing internal fluid bypass and ensuring smooth, zero-power-loss cylinder operation under continuous heavy load.

As Seçkin Makine, we manufacture this product as an aftermarket item fully equivalent to the original specifications in terms of raw materials, technical dimensions, and performance characteristics. This product comes with a 1-year warranty from the invoice date.