Quick Answer: 1R-1804 is a Caterpillar fuel water separator for Cat 3054, 3056, C4.4 and C6.6 engine service programs.
| Jinguan model | 1R-1804 | Caterpillar |
| OE reference | Caterpillar 1R-1804 Fuel Water Separator for C4.4 C6.6 |
| Filter type | Fuel water separator |
| Cartridge reference | Height 159 mm, OD 76-77 mm, ID 33-35 mm |
| Spin-on reference | OD 87 mm, height 204 mm, thread 1-1/4-12 UNF-2B |
| Water separation | Designed for free and emulsified water separation |
Cross references are for identification only. Confirm final fitment by OE number, dimensions, filter photo or sample.
| Jinguan | Use 1R-1804 for quotation confirmation |
| Caterpillar | 1R-1804, 1R1804, 1R-0794 |
| Perkins | 26560201 |
| Fleetguard | FS20009 |
| Donaldson | P551354 |
| Baldwin | BF7679 |
| WIX | 33674, 33804 |
| MANN-FILTER | PU8041Z |
Send OE number, equipment model, old filter photo and quantity. Jinguan will confirm the right replacement before quotation.