CT3306 Aftermarket Caterpillar 3304, 3306, D330 Seawater Pump | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket JMP Caterpillar 3304 / 3306 / D330C Flexible-Impeller Seawater Pump - Part Number: JPR-CT3306 / CT3306

Complete belt/gear-driven raw-water cooling pump for Caterpillar 3304, 3304B, 3306, 3306B, D330C and related marine diesel installations. JMP JPR-CT3306 replaces the Caterpillar/Jabsco pump family and is internally serviceable with matching JMP kits.

⚙️ Key Features

• Complete bronze flexible-impeller seawater pump

• Internally compatible with the referenced genuine pump family

• Supplies raw water to heat exchanger, oil cooler and aftercooler circuits

• Replaceable impeller, seals, bearings and cover components

• Marine-grade corrosion-resistant construction

📋 Kit / Assembly Contents

• 1 × Complete JMP seawater pump - JPR-CT3306

• 1 × Installed flexible impeller - service kit 8100-01K family

• 1 × Pump cover and gasket/O-ring - installed within complete pump

• 1 × Shaft, bearing and mechanical-seal assembly - installed within complete pump

• Major overhaul kit available separately - JSK002901

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• JPR-CT3306 → JMP replacement for Caterpillar 5N9357 and 2533459

• 5N9357 → Cross-references Jabsco 17810-1000 / 17810-1300 on specified installations

OEM / Related Numbers:

• JPR-CT3306

• CT3306

• 5N9357

• 2533459

• Jabsco 17810-1000

• Jabsco 17810-1300

• JMP impeller kit 8100-01K

• JMP major kit JSK002901

• 5P8771X seal-kit family

Aftermarket / Verified Equivalents:

• JMP: JPR-CT3306

• Jabsco: 17810-1000 / 17810-1300 application cross-reference

• Diesel Pro: CT3306 replacement pump

🚤 Compatibility

Commonly used on:

• Caterpillar marine diesel raw-water cooling systems

Typically suits:

• Engine / drive models:

• 3304 and 3304B

• 3306 and 3306B

• D330C

• Selected D333C installations whose pump number is 5N9357

• Marine auxiliary/generator packages using Jabsco 17810-1000/1300

• HP Range: Engine-rating dependent

• Engine / Drive Type: Flexible-impeller raw/seawater engine-cooling pump

• Year Range: Classic Caterpillar production; engine-serial and installation dependent

• Serial / Identification Range: Confirm engine arrangement number, pump mounting flange, drive, port orientation and original pump number 5N9357/2533459.

🔌 Function

Draws seawater through the intake and circulates it through the engine's heat exchangers and coolers before discharge into the exhaust or overboard system.

Common signs of failure or replacement requirement:

• Weak or absent seawater discharge

• Engine or exhaust over-temperature

• Water leakage from the shaft seal or weep hole

• Bearing noise or shaft play

• Missing impeller vanes or damaged cover/cam

📦 Condition

• Brand-new aftermarket replacement part

• Supplied as a new replacement component

• Supplied in suitable retail or equivalent packaging