CASE IH 133721A1 Cross Reference & Precise Equivalent
CASE IH 133721A1 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 filter

Donaldson Air Filter Element P185485
- Part Number
- P185485
- MOQ
- 100 Pieces
Key specifications
Dimensions: Outer Diameter 238 mm (9.37 inch) Inner Diameter 147 mm (5.79 inch) Length 402 mm (15.83 inch)Weight: 0.84 kgFiltration Efficiency: 99.7%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 CASE IH 133721A1?
- Precise offers a direct Air Filter - Engine replacement for CASE IH 133721A1: Donaldson Air Filter Element P185485 (P185485). The Precise equivalent is matched to the original dimensions, fit and filtration performance for a no-modification interchange.
- What are the specifications of CASE IH 133721A1?
- Key specifications of the Precise equivalent for 133721A1: Dimensions: Outer Diameter 238 mm (9.37 inch) Inner Diameter 147 mm (5.79 inch) Length 402 mm (15.83 inch), Weight: 0.84 kg, Filtration Efficiency: 99.7%, 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 133721A1 replacement and what is the minimum order quantity?
- The Precise replacement for CASE IH 133721A1 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.