Hydraulic Filters
Specialists
Hydraulic contamination is responsible for 70% of hydraulic system failures. Donaldson's synthetic media provides consistent Beta ratios across the full element life — not just when new.
Why It Matters
What Hydraulic Filters Protect
AlphaWeb synthetic media provides stable filtration efficiency from day one. Synteq XP for extreme-pressure applications up to 420 bar working pressure.
AlphaWeb and Synteq XP synthetic media
Stable Beta ratios across full element life
High-pressure in-line elements (up to 420 bar)
Return-line and reservoir breather elements
Bypass valves and collapse ratings to OEM specifications
Full range of bowl assemblies and housings
TechnologyAlphaWeb™ Synthetic & Synteq XP High-Pressure Media
Hydraulic contamination causes 70% of all hydraulic system failures. Donaldson's AlphaWeb synthetic media maintains stable Beta ratios across the full element life — not just when the element is new. Synteq XP handles system pressures up to 420 bar, making it the standard for mining and heavy construction applications.
Learn about Donaldson technology →


Choose Your Level
Standard vs Premium
Both options meet OEM specifications. Premium goes further — engineered for harsh environments, extended intervals, and maximum protection.
- Cellulose hydraulic media
- Standard Beta ratios when new
- Cost-effective maintenance option
- Suitable for lower-pressure systems
- Adequate for low-contamination environments
Cellulose media · Cost-effective · OEM-equivalent replacement

- AlphaWeb™ synthetic media
- Stable Beta ratios across full life
- Synteq XP rated to 420 bar
- Consistent efficiency to end of life
- Ideal for mining & heavy construction
Synthetic media · Maximum protection · Harsh environments
Applications
Industries We Serve
Hydraulic Filters used across these sectors — matched to equipment and application.
Find Your Exact Part Number
Search 316,000+ Donaldson filters by cross-reference, equipment brand, or part number. Instant results.
Open Filter Finder →
Need Help Choosing?
Our hydraulic filters specialists in the Western Cape will match the right filter to your exact equipment, application, and service interval — free advice, no obligation.
Mon–Thu 07:30–16:30 · Fri 07:30–16:00 · Stikland & Montague Gardens, Cape Town