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CAT 359-6663 Pump GP-AUX Auxiliary Water Pump for Sale

New OEM Caterpillar auxiliary water pump available through OrbiCore USA. Designed for marine and industrial engine cooling systems where corrosion resistance, coolant flow and fast availability are critical.

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Part No. 359-6663Pump GP-AUXNew OEMReady to Ship
CAT 359-6663 Pump GP-AUX genuine Caterpillar auxiliary water pump front view

Product Overview

The CAT® 359-6663 Pump GP-AUX is an auxiliary water pump used to circulate exterior water through the auxiliary cooling system of Caterpillar engines working in demanding marine and industrial environments.

This unit is listed as new / OEM, never installed based on visual inspection, and supplied in industrial/OEM-style packaging as applicable.

BrandCaterpillar CAT® Part Number359-6663 DescriptionPump Group – Auxiliary / Pump GP-AUX Product TypeAuxiliary Water Pump ConditionNew / OEM · Never Installed Packaging1 PC · Industrial / OEM Packaging ApplicationMarine auxiliary cooling systems and industrial engine support SellerOrbiCore USA
Availability note: Contact OrbiCore USA to confirm current stock, pricing, shipping options and delivery timing before placing an order.

Key Features

Corrosion-resistant constructionRugged bronze housing and stainless-steel structure help resist corrosion in harsh marine environments.
Improved coolant flowFlexible SMX impellers help increase coolant flow and support reliable cooling performance around the water seal.
Built for serviceabilityDesigned for easier service and maintenance, helping reduce downtime during operational repairs.
OEM Caterpillar qualityGenuine Caterpillar product intended for demanding diesel engine applications where fit, reliability and lifecycle cost matter.

Product Photos

CAT 359-6663 auxiliary water pump front view
CAT 359-6663 Pump GP-AUX · Front view
CAT 359-6663 Caterpillar auxiliary water pump side view
Genuine Caterpillar auxiliary pump · Side view
CAT 359-6663 pump OEM packaging and product label
OEM / industrial packaging and product label

Applications

This Caterpillar auxiliary water pump is commonly requested for marine engine cooling, auxiliary cooling circuits, offshore equipment support, diesel engine service, industrial maintenance and oilfield-related operations.

OrbiCore USA supports industrial procurement for companies that need OEM parts, sourcing assistance, logistics coordination and fast response for operational equipment needs.

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