Caterpillar 1R-1808 Cross Reference & Precise Equivalent
Caterpillar 1R-1808 is an OEM/aftermarket reference for a Oil Filter. The Precise replacement equivalent is shown below — free to check, no account needed.
Precise equivalent filter

Caterpillar Spin-on Oil Filter Canister 1R-1808 275-2604 3I-0731
- Part Number
- 1R-1808
- Type
- Oil Filter
- MOQ
- 150 Pieces
Key specifications
Dimensions: H: 302.5mm OD: 135.5mm Thread: 1 1/2-16 UWeight: 2.27 kgFiltration Efficiency: 99 ( 24 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 Caterpillar 1R-1808?
- Precise offers a direct Oil Filter replacement for Caterpillar 1R-1808: Caterpillar Spin-on Oil Filter Canister 1R-1808 275-2604 3I-0731 (1R-1808). The Precise equivalent is matched to the original dimensions, fit and filtration performance for a no-modification interchange.
- What are the specifications of Caterpillar 1R-1808?
- Key specifications of the Precise equivalent for 1R-1808: Dimensions: H: 302.5mm OD: 135.5mm Thread: 1 1/2-16 U, Weight: 2.27 kg, Filtration Efficiency: 99 ( 24 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.
- How do I order the 1R-1808 replacement and what is the minimum order quantity?
- The Precise replacement for Caterpillar 1R-1808 ships at a minimum order quantity of 150 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.