HIFI SN40858 Cross Reference & Precise Equivalent
HIFI SN40858 is an OEM/aftermarket reference for a Water Separator Filter. The Precise replacement equivalent is shown below — free to check, no account needed.
Precise equivalent filter

Caterpillar Oil Water Separator Element 523-4987
- Part Number
- 5234987
- MOQ
- 200 Pieces
Key specifications
Dimensions: H: 258mm OD: 103mmWeight: 0.435 kgFiltration Efficiency: 90 ( 10 microns)%Replacement Interval: 60,000 kmFilter Media Brand: H&V; AhlstromPackaging: Moisture-proof bag+Cardboard box
Frequently asked questions
- What is the Precise equivalent of HIFI SN40858?
- Precise offers a direct Water Separator Filter replacement for HIFI SN40858: Caterpillar Oil Water Separator Element 523-4987 (5234987). The Precise equivalent is matched to the original dimensions, fit and filtration performance for a no-modification interchange.
- What are the specifications of HIFI SN40858?
- Key specifications of the Precise equivalent for SN40858: Dimensions: H: 258mm OD: 103mm, Weight: 0.435 kg, Filtration Efficiency: 90 ( 10 microns)%, 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 SN40858 replacement and what is the minimum order quantity?
- The Precise replacement for HIFI SN40858 ships at a minimum order quantity of 200 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.