CAT 149-2209 Heat Exchanger Seal Plate

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CAT 149-2209 Gasket (Seal Plate Gasket) is engineered to deliver superior sealing performance in Caterpillar C18 and C32 heavy-duty diesel engines. Designed for marine and industrial applications, this part meets or exceeds OEM quality standards, offering maximum durability, reliability, and resistance to extreme operating conditions.

Product Highlights

Part Number: CAT 149-2209

  • Also Known As: CAT 1492209, CA1492209, CAT 149-2209 Plate Seal 
  • Category: Gasket / Seal Plate
  • Application: Industrial and Marine Engines

✔️ Compatible with Caterpillar® C18 & C32
✔️ Built for peak engine performance
✔️ Reduces downtime and wear
✔️ Manufactured to precise OE specs
✔️ Typically in stock and ready to ship

Specification Imperial Metric
Length 18 in 457.2 mm
Width 12 in 304.8 mm
Height/Thickness 0.15 in 3.81 mm
Weight 0.25 lbs 0.11 kg

CAT 149-2209 seal plate gasket - CAT1492209

CAT 149-2209 Heat Exchanger Plate Seal

Compatible Caterpillar® Engine Models

Engine Model Application
C18 Industrial and Marine Power Systems
C32 High-Capacity Marine/Industrial Engines
3508 Industrial Engine
Marine Diesel Caterpillar Marine Diesel Propulsion

About the CAT 149-2209 Gasket

The CAT® 149-2209 Seal Plate is a fluoroelastomer-based heat exchanger plate gasket made to withstand high temperatures, harsh fluids, and pressure. Whether used in a ship’s propulsion system or an industrial generator, this component ensures consistent sealing and optimal engine efficiency.

Built to endure the rigors of heavy-duty use, this gasket is ideal for mission-critical equipment where reliability matters most.

Note: For CAT 3406, 3412, 3512, and other engine series, different gasket part numbers (e.g., 202-7533 or 151-5257) may be required. If unsure, please Request a Quote for compatibility verification.

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Use our quick form below or call 1-206-445-5230 to request a quote for your specific Alfa Laval plate heat exchanger model.

Disclaimer

All manufacturer names, part numbers, and product descriptions are provided for reference and identification purposes only. Caterpillar®, CAT®, and associated model names and numbers are registered trademarks of Caterpillar Inc.

MechPro is not an authorized dealer for Caterpillar Inc. and is not affiliated with the company. Our inventory is constantly changing and may include both genuine OEM parts and high-quality aftermarket replacements. Unless explicitly stated, we do not guarantee that a listed item is manufactured by the original equipment manufacturer.

Product images, diagrams, and specifications are for reference only and may not exactly match the item shipped. Customers should use original part numbers to verify compatibility and determine the most suitable replacement for their needs.