Because original equipment manufacturer (OEM) filters are often expensive or unavailable, many operators and technicians rely on hydraulic oil filter cross reference charts to find compatible alternatives from trusted aftermarket brands.
This guide explains how hydraulic filter cross referencing works and provides a comprehensive cross reference chart covering major brands used worldwide.
Hydraulic Oil Filter Cross Reference Chart
Spin-On Hydraulic Filters
| OEM / Primary | Baldwin | Donaldson | Fleetguard | Wix | Mann | Fram | Parker | Hastings |
|---|---|---|---|---|---|---|---|---|
| HF6553 | BT839 | P550388 | HF6553 | 51410 | W950/26 | P1653A | 932628Q | HF735 |
| HF28948 | BT938 | P551551 | HF28948 | 51618 | W962/14 | P1654A | 932620Q | HF742 |
| HF35340 | BT946 | P550552 | HF35340 | 51452 | W962/6 | P1655A | 932610Q | HF756 |
| HF30710 | BT887 | P551315 | HF30710 | 51516 | W940/18 | P1656A | 932615Q | HF741 |
| HF6002 | BT292 | P550162 | HF6002 | 51408 | W917 | P1657A | 932603Q | HF734 |
| HF35126 | BT935 | P551034 | HF35126 | 51619 | W962/10 | P1658A | 932684Q | HF758 |
| HF28941 | BT934 | P551315 | HF28941 | 51620 | W940/25 | P1659A | 932686Q | HF759 |
| HF35252 | BT944 | P550944 | HF35252 | 51622 | W962/8 | P1660A | 932695Q | HF761 |
| HF6586 | BT364 | P550364 | HF6586 | 51670 | W962/3 | P1661A | 932697Q | HF763 |
| HF6710 | BT230 | P550230 | HF6710 | 51415 | W917/1 | P1662A | 932699Q | HF765 |
Related Hydraulic Oil Equivalent Chart(For All Brands)
Return Line Hydraulic Filters
| OEM / Primary | Baldwin | Donaldson | Fleetguard | Wix | Mann | Parker | Hastings |
|---|---|---|---|---|---|---|---|
| HF6097 | BT100 | P165675 | HF6097 | 51515 | H7000 | 937395Q | HF780 |
| HF6700 | BT364 | P550364 | HF6700 | 51670 | H7200 | 937400Q | HF781 |
| HF7955 | BT940 | P550940 | HF7955 | 51655 | H7100 | 937405Q | HF782 |
| HF6556 | BT230 | P550230 | HF6556 | 51415 | H7050 | 937390Q | HF783 |
| HF6326 | BT284 | P550284 | HF6326 | 51426 | H7020 | 937410Q | HF784 |
| HF28914 | BT839 | P550388 | HF28914 | 51410 | H7060 | 937415Q | HF785 |
| HF35194 | BT946 | P550552 | HF35194 | 51452 | H7080 | 937420Q | HF786 |
High-Pressure Hydraulic Filters
| OEM / Primary | Baldwin | Donaldson | Fleetguard | Wix | Parker | Hastings |
|---|---|---|---|---|---|---|
| HF35128 | BT934 | P551034 | HF35128 | 51619 | 932684Q | HF790 |
| HF28941 | BT935 | P551315 | HF28941 | 51620 | 932686Q | HF791 |
| HF30007 | BT941 | P551941 | HF30007 | 51621 | 932690Q | HF792 |
| HF35252 | BT944 | P550944 | HF35252 | 51622 | 932695Q | HF793 |
| HF35190 | BT946 | P550552 | HF35190 | 51452 | 932698Q | HF794 |
| HF35208 | BT950 | P551050 | HF35208 | 51624 | 932699Q | HF795 |
Related Hydraulic Symbols Chart(All Symbols + Meanings)
Cartridge-Style Hydraulic Filters
| OEM / Primary | Baldwin | Donaldson | Fleetguard | Mann | Parker | Hastings |
|---|---|---|---|---|---|---|
| HC9600FKS | PT234 | P566038 | HF28890 | CU10003 | 937381Q | HF800 |
| HC7500SKS | PT232 | P566037 | HF28889 | CU8002 | 937382Q | HF801 |
| HC8300FKN | PT235 | P566039 | HF28903 | CU12001 | 937383Q | HF802 |
| HC9100FKS | PT236 | P566040 | HF28904 | CU14002 | 937384Q | HF803 |
| HC9400FKN | PT237 | P566041 | HF28910 | CU16003 | 937385Q | HF804 |
| HC9800FKS | PT238 | P566042 | HF28912 | CU18002 | 937386Q | HF805 |
| HC9900SKS | PT239 | P566043 | HF28915 | CU20001 | 937387Q | HF806 |
Key Specifications to Match When Cross Referencing
Before using any alternative hydraulic oil filter, confirm the following:
- Micron rating (absolute or nominal)
- Flow rate capacity
- Bypass valve pressure
- Thread size and pitch
- Seal/gasket diameter
- Filter type (spin-on, cartridge, return line, pressure line)
Related Hydraulic Hose Size Chart(For All Dash Size)
Why Cross Referencing Matters in Hydraulic Systems
Hydraulic systems operate under extreme pressure, heat, and contamination risk. Dirt particles as small as 10 microns can damage precision components. Using the wrong filter may result in:
- Reduced system efficiency
- Pump and valve wear
- Increased oil temperature
- Seal degradation
- Costly unplanned downtime
A reliable hydraulic oil filter cross reference ensures the replacement filter maintains OEM-level protection.
OEM vs Aftermarket Hydraulic Filters
OEM filters are designed specifically for certain machines, but high-quality aftermarket brands often meet or exceed OEM standards. Brands like Baldwin, Donaldson, Fleetguard, Wix, Mann, Parker, and Hastings are widely used in industrial and mobile hydraulic systems.
The key advantage of aftermarket filters is availability and cost, especially for fleet operators or remote job sites.
Related Kubota UDT Hydraulic Fluid Equivalent Chart(For All Brands)
Best Practices When Using Cross Reference Charts
- Always confirm micron rating and bypass pressure
- Do not mix pressure-line and return-line filters
- Replace filters according to service intervals
- Monitor differential pressure indicators if equipped
- Keep records of part numbers used for future servicing
Final Thoughts
A hydraulic oil filter cross reference chart is an essential maintenance tool for technicians, mechanics, and equipment owners. It simplifies filter selection, reduces operating costs, and ensures consistent hydraulic system performance across different machines and brands.
