7E0303 S4TW-509 Turbine Wheel for CAT 3208 425HP Marine

This aftermarket 7E0303 turbine wheel is a replacement component for S4TW-509 turbochargers, with a reference application for CAT 3208 425HP marine engines. It serves as an aftermarket replacement part for heavy-duty and marine applications, supporting repair shops and distributors seeking specific turbine wheel solutions. Verify your engine code and OEM reference numbers before ordering to ensure correct fitment.

Key Specifications

• Part Number: 7E0303
• Product Type: Turbine wheel
• Turbo Model: S4TW-509
• Packing Dimensions: 11 x 11 x 36 cm
• Gross Weight: 1 kg
• Representative OEM References: 0R6605 TW, 178232 TW, 189485, 198103 TW
• Application Clues: CAT 3208 425HP marine, CAT 3408, VOLVO TAD1630G
• Image Availability: High-resolution studio photography showing radial blade geometry and machined shaft details

Application & Compatibility

Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:

• Caterpillar > CAT > CAT MARINE > CAT 3208 425HP
• Caterpillar > CAT > CAT 322D > CAT 3408
• Caterpillar > CAT > CAT EARTH MOVING
• Fincantieri > ID36SS8V
• KOMATSU > KOMATSU SA6D140
• OTHER TURBOCHARGER
• PERKINS > PERKINS GENSET > PERKINS 12SETCWG
• SCANIA > DSC14-52M
• VOLVO
• VOLVO > TAD1630G > P
• VOLVO > TAMD163A
• 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, CAT 3408, and VOLVO TAD1630G systems. It is associated with OEM reference numbers such as 0R6605 TW and 178232 TW. Buyers should verify the specific engine code, turbo model S4TW-509, and production year against these clues before ordering. Confirm that the shaft interface and blade geometry match your existing assembly to ensure proper replacement application.

Technical Notes

The S4TW-509 turbine wheel features radial blades with a swept-back geometry and a long, cylindrical shaft with a threaded distal end. The machined, polished shaft surface and central hub bore are visible in the provided studio photography. Buyers should verify the shaft interface and blade geometry against their existing assembly to ensure proper replacement application. Confirm the specific turbo model and engine code before installation.

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 S4TW-509 turbo model details, engine codes, and OEM reference numbers such as 0R6605 TW before ordering. Contact our team to confirm application specifics for CAT marine or heavy-duty systems and to arrange logistics for your order.

For B2B stock planning, the 7E0303 turbine wheel ships in a compact 11x11x36 cm carton with a gross weight of 1 kg, facilitating efficient warehouse storage and freight consolidation. Before finalizing orders, cross-check the S4TW-509 turbo model against your specific engine code and verify representative OEM reference numbers such as 0R6605 TW or 178232 TW. This verification step helps prevent mis-shipments in multi-application environments like CAT marine or Volvo genset systems. LeadTurbo provides technical fitment support to confirm shaft interface details and blade geometry alignment, ensuring the replacement component matches your existing assembly requirements.