A real parts team, not a warehouse. Parts counters in Big Lake, MN, Cedar Rapids, IA, Des Moines, IA and Omaha, NE. Questions? Call 763-220-6528, Mon-Fri 8am-5pm. Meet Joe, Dylan, Cliff, Susan and Chris
This is the CAT Fuel Water Filter, part number 326-1643. A fuel water filter sits in the fuel system and is used to help keep water and contaminants out of the fuel before it reaches the engine. Fuel system parts are matched by part number, so order by the exact number 326-1643 rather than by the part name or appearance.
| Brand | CAT |
|---|---|
| Part number | 326-1643 |
| Store SKU | 7191545 |
| Part type | Fuel Water Filter |
| Cross-reference | Baldwin BF1397-SPper Baldwin's published cross-reference for CAT 326-1643 |
| Cross-reference | Donaldson P551110per Donaldson's published cross-reference for CAT 326-1643 |
Machine models aren't listed on this page. Check part number 326-1643 against the machine's parts book, or send the model and serial number through the quote form so the parts team can confirm.
Match part number 326-1643 to the parts book entry for your machine or to the number on the part you are replacing. If you can't find a number you trust, send the machine model and serial number through the quote form and the parts team will check it.
In general, a fuel water filter is part of the fuel system and helps keep water and debris out of the fuel before it reaches the engine. Water and dirt in fuel can cause problems for the fuel system components downstream.
Common signs include hard starting, loss of power under load, rough running or stalling, and water showing up in the fuel. Some machines also show a fuel system warning. Follow the machine's service manual for inspection and replacement guidance.
Have the part number (326-1643), the machine model and serial number, and the quantity you need. That lets the parts team confirm the part before it ships.
No. The store SKU (7191545) is an RTL Equipment reference. The part number is 326-1643, and that is the number to use when checking a parts book or confirming fitment.
Baldwin's published cross-reference lists Baldwin BF1397-SP for CAT part number 326-1643. This page sells CAT 326-1643. To confirm fit for your machine, call the parts counter at 763-220-6528.
Donaldson's published cross-reference lists Donaldson P551110 for CAT part number 326-1643. Donaldson notes P551110 has a 9/16 in. thread port for a water-in-fuel sensor; P550900 is its version without the sensor port. This page sells CAT 326-1643. To confirm fit for your machine, call the parts counter at 763-220-6528.
