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10R2660 S310G122 Turbocharger Replacement for CAT C9 300HP
Aftermarket 10R2660 S310G122 turbocharger for CAT C9 300HP applications. Reference OE numbers include 174978 and 178485. Verify engine and vehicle fitment before ordering.
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174978 178485 250-7701 250-7701 179249Subtotal: US$ 298.00
Send an InquiryThis aftermarket 10R2660 S310G122 turbocharger is a replacement unit for Caterpillar C9 300HP engine applications, including CAT 330C excavators and CAT 12H motor graders. Verify your specific vehicle model and OEM reference numbers such as 174978 or 178485 before ordering to ensure correct fitment.
Key Specifications
- Part Number: 10R2660
- Product Type: Turbocharger
- Turbo Model: S310G122
- Application Clues: CAT C9 300HP, CAT 330C, CAT 12H Motor Grader
- Packing Dimensions: 34 x 34 x 38 cm
- Gross Weight: 25 kg
- OEM Reference Numbers: 174978, 178485, 250-7701
- Image Availability: High-resolution studio photography available
These specifications help buyers verify the physical unit against their maintenance records. Cross-check the part number and gross weight with your existing service documentation to confirm the correct replacement application.
Application & Compatibility
Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:
- CAT > CAT 330C > CAT C9 300HP
- Caterpillar > Caterpillar 12 > CAT 12H Motor Grader > Caterpillar C9
- Caterpillar > Caterpillar 140 > CAT 140 Motor Grader > Caterpillar C9
- Caterpillar > Caterpillar 330 > Caterpillar 330D L Excavator > Caterpillar C9 Industrial
- Caterpillar > Caterpillar 336 > Caterpillar 336D L Excavator > Caterpillar C9 Industrial
- Caterpillar > Caterpillar 973 > CAT 973D Steel Mill tracked loader > Caterpillar C9
- Caterpillar > Caterpillar C9 > Caterpillar C9 Industrial Power Unit > Caterpillar C9 300HP
This S310G122 turbocharger is listed for Caterpillar C9 300HP applications, including CAT 330C excavators, CAT 12H and CAT 140 motor graders, and CAT 336D L excavators. It is also associated with CAT 973D tracked loaders and C9 industrial power units. Buyers should verify the specific vehicle model, production year, and installed OEM reference numbers (such as 174978 or 178485) against their maintenance records. Fitment is based on reference applications; confirm the part number 10R2660 and engine code before ordering to ensure the correct replacement application.
Technical Notes
The S310G122 turbocharger assembly features a silver compressor housing with a visible multi-blade impeller and a dark grey cast iron turbine housing. A gold-colored actuator assembly is attached to the turbine housing, which includes a rectangular mounting flange with two exhaust ports. The unit shows a black flexible hose connected to a brass fitting on the compressor side. The central section reveals the internal shaft and bearing assembly. These visible features help buyers identify the physical unit against their maintenance records. Verify the part number 10R2660 and OEM reference numbers such as 174978 or 178485 against your specific Caterpillar C9 application before ordering.
B2B Supply
LeadTurbo supports B2B buyers with volume pricing for distributors, repair shops, and fleet parts teams. Worldwide shipping is available for the 10R2660 S310G122 turbocharger. Our technical fitment support team helps verify part numbers, engine codes, and OEM reference numbers such as 174978 or 178485 before shipment. Contact us for quotes on bulk orders of this CAT C9 300HP replacement unit.
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 10R2660, engine code C9, vehicle application (e.g., CAT 330C, 12H, 140), production year, and OEM reference numbers (174978, 178485, 250-7701) before ordering. Fitment is based on reference applications and requires technical confirmation.
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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.
