CAT Engine Spare Parts

Neptunus is one of the most preferred independent CAT engine spare parts suppliers. We’re dedicated to supplying top-quality genuine parts for your Caterpillar engines. We know that using genuine spare parts ensures your engine’s reliability, sustainability, efficiency, and performance. Our team of experts is here to assist you in finding the right engine parts for your fleet.

With years of experience and in-depth knowledge of CAT engines, we supply both new as well as reman genuine CAT marine engine parts at a competitive price and with a valid warranty. We’re pleased to assist our customers with a wide range of products, offering personalized solutions.

Disclaimer: Neptunus is an independent spare parts and service provider. CAT and Caterpillar are trademarks of Caterpillar Inc.

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CAT Engine Spare Parts Offering at Neptunus:

Reman Engine For Replacement

Neptunus provides reman caterpillar engine parts, Read more

Reman Long and Short Block

CAT Reman Long and Short Blocks from us undergo disassembly, Read more

Overhaul Kits

Engine Overhaul Kits

Our CAT overhaul kits are a cost-effective option Read more

CAT Replacement Parts

We understand the importance of using high quality components Read more

Component repair

Repaired Spare Parts

Neptunus specializes in the repair of Cat engine spare parts, Read more

Upgrades and retrofit

Upgrades and Retrofits

We deliver retrofit kits, seamlessly integrating advanced featuresRead more

Spare Parts Optimization

Neptunus streamlines the spare parts procurement process by Read more

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Why Buy CAT Engine Spare Parts From Neptunus?

High-Quality CAT Genuine Parts

Genuine Parts

Competitive Pricing


Trained Brand

Quick Response to
Your Queries

Optimize Cat Spare Parts List for Overhauls

Optimize Spare Parts List
for Overhauls

Shortest Possible Lead time for Spare Parts Delivery

Valid Warranty
and Support

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CAT Assets Spare Parts

Spare Parts for Assets Available
  • Cat Main Engine Spare Parts
Get a comprehensive range of Cat engine spare parts for main engines, ensuring reliable performance and longevity. Our genuine components are tailored to meet the specific needs of your Cat main engines, offering optimal efficiency and durability.
  • Cat Auxiliary Engine Spare Parts
Our Cat engine spare parts for auxiliary engines are designed to maximize efficiency and durability, offering a reliable solution to keep auxiliary systems running seamlessly in support of main engine operations.
  • Cat Engine Electrical and Automation Components
Neptunus delivers Cat engine spare parts for electrical and automation systems, guaranteeing precision and reliability in the vital components that control and optimize your engine’s performance, contributing to operational efficiency and safety.
  • Cat Gas Engine Parts
For those operating CAT gas engines, Neptunus offers a comprehensive selection of genuine spare parts specifically designed for these engines. Our gas engine parts are engineered to meet the unique demands of gas-powered systems, ensuring reliable performance, efficiency, and longevity. From ignition components and fuel system parts to valves and seals, we have the high-quality components you need to keep your CAT gas engines running smoothly.
  • Cat Power Engine Parts
Neptunus is your reliable source for genuine CAT power engine parts. Our extensive inventory includes a wide range of components designed to maintain and optimize the performance of your Caterpillar power engines. From turbochargers and cylinder heads to crankshafts and camshafts, we offer the high-quality parts you need for reliable power generation.

We have Spare Parts for the following CAT Engine Model Number:

C18 and C32 series CAT 3000 series CAT 3200 series CAT 3500 series

Beyond Spare Parts for Your CAT Engine

At Neptunus, our asset reliability solutions approach to asset reliability solutions goes beyond short-term projects; we aim for enduring long-term partnerships with our clients. Our CAT spare parts services are tailored to each client’s specific needs, ensuring the most cost-effective and sustainable parts are provided using the most advanced technology.

In our efforts, we’ve utilized our proprietary dual-class (ABS and IRS) authorized engine condition monitoring system, along with our comprehensive in-house oil quality management systems, including real-time oil equipment monitoring system and a continuous kidney loop filtration system. Here’s how we’ve made a difference for our clients:

  • Prevent engine breakdowns
  • Reduce the cost of engine maintenance
  • Reduce Scope 1 and Scope 3 emissions from the engine

If you want to reach similar goals for your organization, schedule a “discovery call” with our specialists to see how we can assist you.

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In addition to being independent suppliers of CAT engine spare parts,
we are authorized distributors of spare parts for the Niigata engine
and EMD engine spare parts.
Our expansive inventory includes a wide selection of genuine, high-quality components for spare parts of the ship engine,
ensuring that our clients have access to the precise parts they need for maintenance, repairs, and upgrades. With our unwavering commitment to quality and authenticity, customers can trust that they are receiving reliable products that precisely meet specifications. Beyond engines, we also offer a comprehensive range of machine spare parts,
ensuring that all your maintenance and repair needs are expertly covered.

Other CAT Services at Neptunus

As independent suppliers specializing in CAT engine spare parts, we bring over three decades of extensive experience Our seasoned engineers are well-versed in providing comprehensive on-site support for a wide range of services, including overhauls, fault diagnosis, commissioning, and alignments. Our team is equipped to assist whether your operations are offshore or onshore. Additionally, we offer expert CAT engine repair services tailored to various models of CAT engines. Our commitment to excellence ensures that your CAT engines receive top-tier care and maintenance for optimal performance and longevity.

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Spare Parts Brands We Serve