Click image to zoom
PP S
Aftermarket piston ring for S4TW-509 turbochargers, reference application CAT 3208 425HP. Verify engine code and turbo configuration before ordering.
Verify the engine code, turbo model, and existing unit details before ordering to ensure correct fitment.
Key Specifications
- Product Type: Piston Ring
- Turbo Model: S4TW-509
- Application Clue: CAT 3208 425HP Marine
- OEM References: None listed; verify against existing unit
- Packing: N/A
- Gross Weight: 0 kg
- Image Availability: Yes (studio shots provided)
This split-ring component features a cylindrical shape with a visible gap and straight-cut ends. The surface presents a uniform dark grey, matte finish with a rectangular cross-section profile. No specific material grade or dimensional data is provided in the current dataset. Buyers should inspect the physical ring against their existing part to confirm dimensions and material compatibility before proceeding with an order.
Application & Compatibility
Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:
- CAT > CAT MARINE > CAT 3208 425HP
This piston ring is listed for S4TW-509 turbochargers in CAT 3208 425HP marine applications. Use the application path CAT > CAT MARINE > CAT 3208 425HP as a reference clue to verify fitment against your existing unit. Confirm the engine code, horsepower rating, and turbo model match your current part before ordering. Verify these details with technical support if discrepancies arise.
Technical Notes
The S4TW-509 turbocharger is a large-displacement unit typically associated with heavy-duty marine engines. This piston ring is a critical sealing component within the compressor section, designed to maintain proper airflow and pressure balance during operation. Since no specific material grade or dimensional data is provided in the current dataset, buyers should inspect the physical ring against their existing part to confirm dimensions and material compatibility. Verify the straight-cut ends and gap width against the old component to ensure correct installation. Technical fitment support is available to assist with reference checking this part against your specific turbocharger configuration.
B2B Supply
Worldwide shipping is available for this S4TW-509 component. Technical fitment support is provided to assist with reference checking part numbers and verifying application details before ordering. Contact our team for bulk quotes or specific shipping inquiries related to CAT 3208 425HP marine applications.
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 Confirm OEM reference numbers and production year before ordering.
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.
