Diesel Antifreeze & Coolant

EXTENDED LIFE / HOAT FORMULA 6 Years / 600,000 Miles Protection HOAT ( Hybrid Organic Acid Technology Formula ) ELC RED Color Fluid
CTP Extended Life Antifreeze/Coolant meet and/or exceed ASTM D3306 and D6210 for corrosion protection for heavy duty Diesel engines, while providing reliable freeze-up and boil-over protection. Requires addition of CTP extender (DG- XTR) at 300,000 miles or 6,000 hours for added protection.

Featured Products

Marine Auxiliary Sea Water Pumps

For marine operations, reliability is paramount, and our Marine Auxiliary Sea Water Pumps deliver just that. Designed to withstand the toughest conditions of the open sea, our pumps provide a consistent and efficient flow of cooling water to vital shipboard systems.

Piston Kit 4815615PK

CTP Steel pistons are the optimal choice when rebuilding your 3508B, 3512B, or 3516B diesel engines. Their precision-engineered steel construction ensures durability and resilience in demanding applications. These pistons effectively manage high combustion temperatures, optimizing engine efficiency and ensuring reliable, consistent operation.

Bucket Pin Collets

Introducing our cutting-edge Bucket Pin Collets, for wheel loaders and mining trucks. These robust and precisely engineered collets are the key to maintaining the durability and efficiency of your equipment.

New Parts


Part No. 180X72X37

For: KUBOTA K008-3G


Part No. 3678078

For: 950 GC, 950H, 962H

Part No. 1972850

For: 306E, 307E, 308E, 308E2 CR, 414E, 416E, 416F, 420F, 422E, 422F, 428E, 428F, 430F, 432F, 434E, 434F, 444F, 824K, 825K, 826K, C11, C13, C15, C18, C9, C9.3

Part No. 1198752

For: D10T2 Track-Type Tractor
How often do you need to change coolant in a diesel? The coolant in diesel engines needs to be replaced every 2 years (or 30,000 miles)… read more

Freddy The Filter Merchandise

Elevate your shopping experience by exploring our extensive selection of our beloved Freddy the Filter items, all available at your fingertips. With the convenience of online shopping, you can effortlessly order your favorites and have them delivered directly to your doorstep! Let us bring the world of Freddy to wherever you are, ensuring a seamless and enjoyable shopping experience.

About Us

Inside News

The 2024 CTP Desktop Calendar is here! Order yours today in time for the New Year! See complete details inside. Ask for item # CAL08.
CTP would like to send a BIG Thank You to all who visited us at Expo Transporte 2023. We had a great show and an amazing time getting to meet so many of you who stopped by our booth and made this show a special one for us, we appreciate the genuine love and support!

CTP Online Auction

Join our CTP Online Auction today, and purchase our products at a discounted rate. Enter the auction and start saving now! Happy bidding!


Quality with Value… Guaranteed™

Part Numbers are used for reference purposes only. Cat® and Caterpillar® are registered trademarks of Caterpillar, Inc. Komatsu® is the registered trademark of Komatsu Ltd. John Deere® is the registered trademark of John Deere Company. CTP® and Freddy the Filter® are registered trademarks of Costex Corporation.

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Costex Corporation, 5800 N.W. 74th Ave. Miami, Florida 33166  

Meet Freddy The Filter

Please send us your name and email address to schedule day and time your meeting to meet our friendly mascot Freddy the Filter! Someone from our Marketing department will get in contact with you to schedule the day & time. Thank you!