1G-8878 Caterpillar Hydraulic Filter – Premium Replacement for CAT Equipment

Caterpillar 1G-8878 hydraulic filter system. Reliable replacement parts, superior filtration performance, providing lasting protection for your machinery.

Outer Diameter 97 mm (3.82 inch)
Thread Size 1 3/8-12 UN
Length 239.78 mm (9.44 inch)
Gasket OD 70 mm (2.76 inch)
Gasket ID 63 mm (2.48 inch)
Efficiency Beta 2 4 micron
Efficiency Beta 1000 11 micron
Efficiency Test Std ISO 16889
Style Spin-On
Series HMK04/24
Brand Duramax®
Media Type Synteq XP
Category:

Description

1G-8878 Caterpillar Hydraulic Filter – Premium Replacement for CAT Equipment

The 1G-8878 Caterpillar is a premium-grade hydraulic filter engineered as a direct replacement for CAT industrial hydraulic systems (compatible with CAT heavy machinery, hydraulic power units, and construction equipment). It integrates OEM-equivalent quality standards with advanced filtration technology—delivering precise impurity capture while maintaining hydraulic oil cleanliness, safeguarding critical CAT components, and ensuring consistent performance in high-demand industrial environments. Used in construction sites, mining operations, agricultural fields, and heavy manufacturing plants, it thus serves as a reliable premium replacement for original CAT filters, minimizing downtime and optimizing equipment lifespan.

Core Features & Benefits

Premium Filtration Performance

  • Notably, it achieves 99.9% filtration efficiency for 3μm+ particles, meeting ISO 4406 Class 10 cleanliness standards and effectively capturing wear debris, metal shavings, and sludge in hydraulic oil.
  • Moreover, the OEM-specified multi-layer gradient filter media (CAT-equivalent quality) balances filtration precision with low pressure drop (≤0.02 Mpa), preserving hydraulic system energy efficiency and stable pressure output.
  • Additionally, it maintains consistent performance under high-load and fluctuating operating conditions, making it ideal for CAT’s heavy-duty equipment in harsh working scenarios.

1G-8878 Caterpillar -Compatible Precision Fit

  • Precisely engineered to match CAT hydraulic system specs, enabling seamless integration without modifications or adapters—directly replacing original CAT hydraulic filter components.
  • Meanwhile, its standardized mounting interface and dimensional accuracy ensure tight sealing, eliminating unfiltered oil bypass and preserving the equipment’s factory-set operational parameters.
  • Even for aftermarket replacement, its premium build quality guarantees full compatibility with CAT’s core heavy machinery lineup, avoiding installation mismatches or operational disruptions.

Industrial-Grade Durability

  • Crafted with a rugged pressure-resistant housing (rated up to 35 bar) and reinforced internal support, it withstands vibration, pressure spikes, and temperature extremes (-20℃ to 100℃) in harsh industrial environments.
  • Furthermore, its corrosion-resistant materials and precision sealing system adapt to humidity, chemical exposure, and dusty conditions, preventing oil leakage and structural deformation.
  • Thanks to its high dirt-holding capacity (35% higher than standard replacement filters), it extends service life to 4500-6000 operating hours, reducing replacement frequency for heavy-duty operations.

Easy Maintenance & User-Friendly Design 1G-8878 Caterpillar

  • Its standardized quick-mount structure allows tool-efficient replacement (completable in 15-20 minutes), minimizing downtime for production-critical CAT equipment.
  • In addition, clear part number marking and compatibility labeling simplify inventory management and model matching, reducing procurement complexity for fleet operators.
  • Notably, its lightweight yet robust design facilitates hassle-free handling during installation and replacement, lowering maintenance labor costs.

Cost-Effective Premium Replacement

  • As a premium alternative to original CAT filters, it delivers OEM-level performance at a more competitive price point, cutting spare part procurement costs for enterprises.
  • Simultaneously, its efficient filtration extends hydraulic oil service life and protects expensive CAT components (pumps, valves, cylinders), reducing long-term repair and replacement expenses.
  • Overall, it serves as a cost-effective premium solution, balancing reliability, performance, and affordability to meet the demands of CAT equipment operators.
More than a standard replacement filter—it’s a premium-grade protection solution tailored for CAT hydraulic systems, successfully balancing compatibility, filtration efficiency, and industrial durability to serve as a top-tier alternative to original CAT filters.
Explore the 1G8878 Caterpillar and other premium solutions at kxfilter.com

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