Click image to zoom
PP L S4TW-509 Piston Ring for CAT 3208 425HP Marine Turbocharger
Designed for CAT 3208 425HP marine applications. Verify engine and turbo model before ordering to ensure correct fitment.
This S4TW-509 piston ring serves as an aftermarket replacement for CAT 3208 425HP marine turbochargers. Verify engine specifications and turbo model before ordering to ensure correct application.
Key Specifications
It serves as an aftermarket replacement component for turbocharger rebuild projects. The product type is a piston ring, designed for specific marine engine applications. No OEM reference numbers are currently listed for this item. Buyers should use the public part number to locate this specific component. Verify the turbo model and engine specifications before finalizing your order. This ensures the correct replacement part is selected for your rebuild.
Application & Compatibility
Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:
This piston ring is listed for CAT 3208 425HP marine engine applications. It serves as a replacement component for S4TW-509 turbocharger rebuilds. Verify your specific engine model and turbo configuration before ordering. This part is associated with the following application path:
- CAT > CAT MARINE > CAT 3208 425HP
- CAT > CAT MARINE > CAT 3208 425HP
Use these clues to confirm fitment with your technical team. Do not assume universal compatibility across all CAT marine units. Check your service manual for exact piston ring specifications.
Technical Notes
This piston ring supports the S4TW-509 turbocharger assembly used in CAT 3208 marine engines. The component is designed to maintain proper cylinder sealing and pressure containment during operation. Verify that the ring dimensions match your specific rebuild requirements. Material specifications and coating details should be confirmed with technical support. This ensures the part meets the operational demands of your marine application. Do not assume universal fitment across different engine variants. Check service manuals for exact tolerances.
B2B Supply
LeadTurbo supports B2B buyers with volume pricing for this S4TW-509 piston ring. Worldwide shipping is available for international orders. Contact us for bulk inquiries or to confirm application details before ordering.
Before ordering, compare the public part numbers, supplied OEM reference numbers, engine information, and application clues with the removed sample part. For B2B inquiries, photos, dimensions, turbo model details, and planned quantity help confirm the version, packing method, and supply schedule without assuming unsupported technical specifications.
Product FAQ
CAT and other product, brand and model names are the property of their respective owners and are used for reference and application-lookup only. LeadTurbo is not affiliated with or endorsed by CAT.
Compatibility Verify part number, engine code (CAT 3208), vehicle application, production year, and OEM reference numbers before ordering. This is an aftermarket replacement; confirm fitment with your technical team.
Customer Reviews
Share installation notes, fitment feedback, or service experience for this product.
No customer reviews have been added for this product yet.
For More Information
Frequently Asked Questions
What types of turbocharger spare parts do you offer? Warranty, shipping, quality and more.
Complete Turbo Units
Complete turbo units designed for rigorous heavy-duty use where OEM units may fall short.
CHRA / Core Assemblies
Brand-new compatible CHRA cores — like-new performance at a fraction of replacement cost.
Turbine Wheels & Shafts
Precision-balanced turbine shafts engineered from inside out for superior durability.
Turbine Housings
Silicon-molybdenum (Si-Mo) nodular cast iron — engineered for extreme heat resistance.
Compressor Housings
OEM-matched geometry and surface finish — advanced casting and machining for perfect fitment.
Bearing Housings
Rock-solid platform engineered for high-output rebuilds — the foundation for performance.
Compressor Wheels
Aluminum, stainless steel, or titanium alloys — precision machined for superior responsiveness.