Part number lookup
326-1643 Replacement Parts
Cross-reference and compare 4 replacement listings for OEM / aftermarket part number 326-1643. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.
4 Matching Products
CaterpillarFuel Filter Water Separator 423-8524 for Caterpillar CAT Engine C6.6 C9.3 C11 C13 C15 C18 C27 C32 C7 C8.7 C9$69.62
CaterpillarFuel Filter 1R-0771 326-1643 For Caterpillar Excavator CAT 320D 336E 345D 349E 352F2VG E365 374DL$77.99
CaterpillarDiesel Filter 326-1644 1R-0770 For Caterpillar Excavator CAT E325C$85.99
CaterpillarFuel Filter 326-1644 1R-0770 for Caterpillar CAT Engine 3126 C18 Excavator E320CL 312C 315 320C 322C 324D 329D 336E 349D 390F$22.00Part Numbers and Cross References
Applications and Fitment Summary
- Caterpillar · SR4B
- Caterpillar · SR5
- Caterpillar · 924H · C6.6
- Caterpillar · 950L
- Caterpillar · 950M
- Caterpillar · 962
- Caterpillar · 962L
- Caterpillar · 962M
- Caterpillar · 966K · C9.3
- Caterpillar · 966K XE · C9.3
- Caterpillar · 966M
- Caterpillar · 966M XE
- Caterpillar · 972M
- Caterpillar · 972M XE
- Caterpillar · 980L
- Caterpillar · 980M
- Caterpillar · 982M
- Caterpillar · 986H · C15
- Caterpillar · 988H · C18
- Caterpillar · 621G · C15
- Caterpillar · 651E
- Caterpillar · 657E
- Caterpillar · 834HM · C18
- Caterpillar · 834K · C18
Frequently Asked Questions
What parts replace OEM number 326-1643?
This page lists 4 replacement listings indexed under 326-1643. Compare cross references, applications, and pricing before ordering.
How do I confirm fitment for 326-1643?
Match the stamped part number first, then verify machine model, engine code, serial number, mounting points, and photos of your old part before checkout.
Can I request a quote if 326-1643 is not an exact match?
Yes. Use the fitment inquiry form with your machine plate, engine model, and photos. Support can review alternatives or cross references.