Stauff SF6549MG, direct aftermarket replacement. This filter is an aftermarket oil filter designed as a direct replacement for a wide range of brands including Baldwin, Caterpillar, Hydac, and others. It features inorganic microfibers media with a filtration rating of 12 µm, ensuring effective removal of contaminants. With a burst pressure of 21 bar and working pressure of 12 bar, this filter is built to the original dimensions and ratings. The filter has a total height of 145 mm, an outer diameter of 95.5 mm, and a UNF 1 inch female bottom thread. It is suitable for use in equipment from Caterpillar and Hydac, among others.
Technical properties & cross references
Specifications
| Burst Pressure |
21 bar (305 PSI) |
| Element Collapse pressure |
10 bar (145 PSI) |
| Filtration Media |
Inorganic Microfibers 12 µm |
| Media type |
Inorganic Microfibers |
| Filtration Rating |
12 µm |
| Total Height |
145 mm (5 23/32") |
| Thread |
UNF 1 inch Female Bottom 12 |
| Type |
UNF |
| Thread Size |
1 inch |
| Orientation |
Female |
| Position |
Bottom |
| Working Pressure |
12 bar (174 PSI) |
| Outer Diameter |
95.5 mm (3 3/4") |
| Stat. HS-Code |
84149000 |
| Country of Manufacture |
China |
Price beat guarantee
We check what other aftermarket sellers charge for this same part. Their prices on the date we checked:
| Seller |
Price |
Checked |
| FilterFinder Online |
USD 13.00 |
14 Oct 2026 |
| G&T Engine Parts |
USD 14.85 |
14 Oct 2026 |
| Oxfil |
USD 31.38 |
16 Oct 2026 |
| eBay (8 aftermarket sellers) |
USD 36.28 to 80.18 |
14 Oct 2026 |
| Hydrafil |
USD 58.95 |
14 Oct 2026 |
| Spare Part Mart |
USD 10.40 |
Today |
Our price of USD 10.40 is 20% to 87% less than these sellers.
Found this part cheaper somewhere else? Send us the listing and we will beat it by 5% under our Price Beat Guarantee. Every order is also covered by our 30 day money back guarantee.
Use cases & applications
Hydraulic System Protection
In hydraulic systems operating under high pressure, this filter's 12 µm filtration rating captures fine particles that cause wear. Its 21 bar burst pressure ensures reliability in demanding conditions.
Continuous-Duty Industrial Applications
For machinery running 24/7, this filter's robust construction and 10 bar element collapse pressure maintain performance over extended service intervals, reducing downtime.
Heavy-Duty Off-Road Equipment
In dusty environments like construction sites, the inorganic microfibers media effectively traps abrasive dust, protecting engines and extending oil life.
Fleet Maintenance Consolidation
Fleet managers can simplify inventory by using this single filter across multiple equipment brands, including Caterpillar and Hydac, reducing stock complexity.
Frequently asked questions
How do I confirm this filter fits my equipment?
Check your equipment's manual for the original filter part number and cross-reference it with our compatibility list. This filter replaces models from Baldwin, Caterpillar, Hydac, and many others. If unsure, contact our support team.
What is the filtration rating and media type?
The filter uses inorganic microfibers media with a filtration rating of 12 µm. This media provides high dirt-holding capacity and efficient particle capture.
What are the thread and dimensions?
The filter has a UNF 1 inch female bottom thread. Total height is 145 mm, outer diameter is 95.5 mm. Ensure your housing accommodates these dimensions.
Is this an OEM or aftermarket part?
This is an aftermarket replacement built to the original dimensions and ratings. It is not a genuine OEM part but offers equivalent performance at a competitive price.
How do I install this filter?
Installation is similar to OEM filters: lubricate the gasket, screw on by hand until snug, then tighten an additional 3/4 turn. Do not overtighten. Always follow your equipment's service manual.