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7E0303 S4TW-509 Turbine Wheel Replacement for CAT 3208 425HP
Aftermarket 7E0303 turbine wheel for S4TW-509 turbochargers. Reference application includes CAT 3208 425HP marine engines. Verify part number and OEM references before ordering.
Show more cross references
0R6605 TW 178232 TW 189485 198103 TW 312279 TW 313161 TW 313450 TW 313679 TW 313781 TW 315080 TW 315096 TW 315098 TW 315308 TW 315629 TW 316979 TW FOR 0R6601 TW FOR 179607 TW FOR 198053 TW FOR 312280 TW FOR 312451 TW FOR 313160 TW FOR 313649 TW FOR 313678 TW FOR 313782 TW FOR 314016 TW FOR 314755 TW FOR 315079 TW FOR 315095 TW FOR 315097 TW FOR 315307 TW FOR 9Y9198 TWSubtotal: CA$ 190.58
Send an InquiryThe 7E0303 S4TW-509 turbine wheel is an aftermarket replacement component designed for CAT 3208 425HP marine engines. This radial turbine assembly features curved blades and a machined hub, serving as a critical part for turbocharger repair and rebuild applications in heavy-duty and marine sectors.
Key Specifications
- Part Number: 7E0303
- Product Type: Turbine wheel
- Turbo Model: S4TW-509
- Reference Application: CAT 3208 425HP
- Packing Dimensions: 11*11*36 cm
- Gross Weight: 1 kg
- Representative OEM References: 0R6605 TW, 178232 TW, 189485, 198103 TW, 312279 TW, 313161 TW
- Image Availability: High-resolution studio photography available
Verify the part number and turbo model against your specific engine configuration. Confirm that the shaft diameter and blade geometry match your existing CHRA core before installation.
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
- CAT > CAT 322D > CAT 3408
- CAT > CAT EARTH MOVING
- OTHER TURBOCHARGER
- PERKINS > PERKINS GENSET > PERKINS 12SETCWG
- VOLVO > VOLVO PENTA GENSET > VOLVO TAD1630G P
- VOLVO > VOLVO PENTA GENSET > VOLVO TAD1631GE
This turbine wheel is listed for reference applications including CAT 3208 425HP marine engines, CAT 322D/3408, CAT Earth Moving, Perkins 12SETCWG gensets, and Volvo Penta TAD1630G P/TAD1631GE gensets. These paths serve as verification clues; confirm your specific engine serial number and turbo model before ordering. The part references 31 OEM numbers, including 0R6605 TW, 178232 TW, and 312279 TW. Cross-check these against your existing turbocharger configuration to ensure the correct S4TW-509 turbine wheel is selected for your rebuild or replacement project.
Technical Notes
The S4TW-509 turbo model is associated with heavy-duty marine and industrial applications. This turbine wheel features a radial blade design and a long cylindrical shaft with a threaded distal end, visible in the provided studio photography. The machined central hub and metallic finish are consistent with standard turbine wheel construction. Buyers should verify that the shaft diameter and overall length align with their specific CHRA core or bearing housing. Confirm the part number 7E0303 and OEM reference numbers such as 0R6605 TW against your existing turbocharger configuration before installation. Technical fitment support is available to assist with these verification steps.
B2B Supply
LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing and worldwide shipping for the 7E0303 turbine wheel. Technical fitment support is available to help verify part numbers, engine applications, and OEM reference numbers before ordering. For bulk inquiries or specific fleet requirements, contact our team to confirm stock availability and logistics details for this S4TW-509 replacement component.
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 7E0303, engine code, vehicle application, production year, and OEM reference numbers such as 0R6605 TW or 178232 TW before ordering. Confirm turbo configuration matches your specific application.
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Frequently Asked Questions
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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.
