Fleetguard AF25551 Cross Reference & Precise Equivalent
Fleetguard AF25551 is an OEM/aftermarket reference for a Air Filter - Engine. The Precise replacement equivalent is shown below — free to check, no account needed.
Precise equivalent filters

Donaldson Air Filter P821575
- Part Number
- P821575
- MOQ
- 100 Pieces
Key specifications
Dimensions: OD: 106mm ID: 60mm L: 265mmWeight: 0.49 kgFiltration Efficiency: 99%Replacement Interval: 60,000 kmFilter Media Brand: H&V; AhlstromPackaging: Moisture-proof bag+Cardboard box

Donaldson Air Filter P828889
- Part Number
- P828889
- MOQ
- 100 Pieces
Key specifications
Dimensions: OD: 165mm; ID: 91mm; L: 347mmWeight: 1.05 kgFiltration Efficiency: 99%Replacement Interval: 60,000 kmFilter Media Brand: H&V; AhlstromPackaging: Moisture-proof bag+Cardboard box
Related cross-reference numbers
Other reference numbers that map to the same Precise filter.
Frequently asked questions
- What is the Precise equivalent of Fleetguard AF25551?
- Precise offers a direct Air Filter - Engine replacement for Fleetguard AF25551: Donaldson Air Filter P821575 (P821575), Donaldson Air Filter P828889 (P828889). The Precise equivalent is matched to the original dimensions, fit and filtration performance for a no-modification interchange.
- What are the specifications of Fleetguard AF25551?
- Key specifications of the Precise equivalent for AF25551: Dimensions: OD: 106mm ID: 60mm L: 265mm, Weight: 0.49 kg, Filtration Efficiency: 99%, Replacement Interval: 60,000 km, Filter Media Brand: H&V; Ahlstrom, Packaging: Moisture-proof bag+Cardboard box. Always confirm these against your machine and operating conditions before ordering.
- How do I order the AF25551 replacement and what is the minimum order quantity?
- The Precise replacement for Fleetguard AF25551 ships at a minimum order quantity of 100 pieces, with distributor and fleet pricing on request. Contact us with the part number for a quote and lead time.
Sourcing note
Brand names and part numbers are used for replacement identification only and do not imply trademark ownership. Always verify the filter against the real machine and working conditions before ordering.