326-1643 | Genuine CAT® Fuel/Water Separator Assembly Skip to content
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326-1643 | Genuine CAT® Fuel/Water Separator Assembly
Caterpillar®

326-1643 | Genuine CAT® Fuel/Water Separator Assembly

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  • Product SKU: 326-1643
  • Availability: In Stock
Condition New
$1,149.00 - $1,149.00
$1,149.00
$1,149.00 - $1,149.00
$1,149.00
Hurry! only 2 left in stock!

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Product details

DescriptionFuel/Water Separator Filter Assembly Base AS-Pump
ConditionNew
BrandCat®
Part Number326-1643

Specifications

Flow Direction: Out-to-In
Filter Type: Spin-On
Efficiency Category: Advanced High Efficiency
Diameter (in): 4,264
Length (in): 9,087
Material: Carbon Steel

Fitment Guide

Equipment Type Compatible CAT Models
Excavators 320D, 320D GC, 336E, 336F, 345D, 349D, 349E, 374F, 390D, 390F
Motor Graders 12M, 14M, 16M, 18M3, 140M, 160M
Articulated Trucks 725, 725C, 730, 730C, 735B, 740, 740B, 745C
Off-Highway Trucks 770, 772, 773, 775, 777
Wheel Loaders 924H, 928H, 930H, 966K, 972K, 980K, 980M, 988H, 988K, 990K
Wheel Tractor-Scrapers 621K, 623K, 627K, 631K, 637K, 657
Track-Type Tractors (Bulldozers) D6T, D7E, D8T, D9T, D10T, D11T
Soil and Landfill Compactors 825K, 826K, 836K
Hydraulic Shovels 6015, 6018, 6020, 6030, 6040
Industrial Engines C7, C9, C9.3, C11, C13, C15, C18, C27, C32
Generators SR4B, SR5, XQ350, XQ375, XQ425



A Fuel/Water Separator is a component in a vehicle's fuel system that removes water and contaminants from fuel before it reaches the engine.

 
  • Separates water from fuel — removes water that can enter the fuel tank through condensation or contaminated fuel.
  • Filters contaminants — captures dirt, rust, and other particles, depending on the filter design.
  • Protects fuel injectors — helps prevent water and debris from damaging sensitive fuel injection components.
  • Protects the fuel system — reduces the risk of corrosion and premature wear in fuel pumps and other components.
  • Improves engine reliability — helps ensure that cleaner fuel reaches the engine.

Signs Of Faulty

 
  • Engine hard starting — the engine takes longer than usual to start.
  • Engine stalling — the engine may stop unexpectedly.
  • Loss of engine power — the vehicle struggles to accelerate or perform under load.
  • Rough engine operation — the engine may run unevenly or misfire.
  • Reduced fuel efficiency — the engine may consume more fuel than usual.
  • Water-in-fuel warning light — the dashboard may indicate that water has accumulated in the fuel system.
  • Restricted fuel flow — a clogged filter can prevent sufficient fuel from reaching the engine.
  • Fuel leaks — damaged seals or a cracked separator housing may cause fuel to leak.
About the manufacturer

When it comes to construction vehicles and equipment, no other brand is more highly respected than Caterpillar®. For over 95 years, Caterpillar has been the leading manufacturer of construction and mining vehicles and components. Its catalog is among the largest in the world, with more than 1.4 million parts in stock ranging from excavator attachments to air-conditioning kits. Each component is designed, manufactured, and assembled according to strict specifications to ensure reliable performance in rugged operating conditions and long-lasting service life. For customers with tighter budgets, Caterpiller also offers remanufactured parts for the drivetrain, air suspension, hydraulics, and other major systems that have the same degree of quality but at a more affordable cost.

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