WIX 33645 Cross Reference & Precise Equivalent
WIX 33645 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

Fleetguard Spin-on Fuel Water Separator FS19870
- Part Number
- FS19870
- MOQ
- 100 Pieces
- Applications
- Truck, Generator & Compressor, Construction Machinery
Key specifications
Dimensions: Thread Size: 1 1/4-12 L: 313mm OD: 120.27mmWeight: 1.43 kgFiltration Efficiency: 88( 2 micron)%Replacement Interval: 60,000 kmFilter Media Brand: H&V; AhlstromPackaging: Moisture-proof bag+Cardboard box
Frequently asked questions
- What is the Precise equivalent of WIX 33645?
- Precise offers a direct Water Separator Filter replacement for WIX 33645: Fleetguard Spin-on Fuel Water Separator FS19870 (FS19870). The Precise equivalent is matched to the original dimensions, fit and filtration performance for a no-modification interchange.
- What are the specifications of WIX 33645?
- Key specifications of the Precise equivalent for 33645: Dimensions: Thread Size: 1 1/4-12 L: 313mm OD: 120.27mm, Weight: 1.43 kg, Filtration Efficiency: 88( 2 micron)%, 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.
- What equipment does WIX 33645 fit?
- The 33645 replacement is commonly used on Truck, Generator & Compressor, Construction Machinery. Send us your machine model and we will confirm the correct Precise filter for it.
- How do I order the 33645 replacement and what is the minimum order quantity?
- The Precise replacement for WIX 33645 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.