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178474 S200AG Turbocharger Replacement for CAT 3126B
Aftermarket 178474 S200AG/S200AG050 turbocharger for CAT 3126B applications. Verify engine code and OEM reference numbers 0R7981 or 1858016 before ordering.
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0R7981 171859 1858016 185-8016Subtotal: US$ 268.00
Send an InquiryThis aftermarket 178474 S200AG turbocharger is a replacement unit for CAT 3126B engines, including CAT E325C and Caterpillar 135H Motograder applications. Verify part number 178474 and OEM reference numbers such as 0R7981 or 1858016 against your existing unit before ordering.
Key Specifications
- Part Number: 178474
- Product Type: Turbocharger
- Turbo Model: S200AG / S200AG050
- Engine Application: CAT 3126B
- OEM Reference Numbers: 0R7981, 171859, 1858016, 185-8016
- Packing Dimensions: 35 x 34 x 43 cm
- Gross Weight: 18 kg
- Image Availability: Yes (Front, Top, and Bottom views)
These specifications help B2B buyers verify that the 178474 unit matches their existing equipment. Cross-check the turbo model S200AG050 and the listed OEM reference numbers against your service manual or current unit to confirm the correct replacement application before placing an order.
Application & Compatibility
Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:
- CAT > CAT E325C > CAT 3126B
- Caterpillar > Caterpillar 135 > Caterpillar 135H Motograder > Caterpillar 3126B
- Caterpillar > Caterpillar 938 > Caterpillar 938G II Loader > Caterpillar 3126B
- Ocean Alexander > Ocean Alexander 486 > Ocean Alexander 486 Classico > Caterpillar 3126B
This 178474 S200AG turbocharger is listed for CAT 3126B engine applications, including CAT E325C, Caterpillar 135H Motograder, and Caterpillar 938G II Loader. It is also associated with Ocean Alexander 486 Classico marine applications. These paths serve as reference clues for verification. Buyers should cross-check the part number 178474 and OEM reference numbers such as 0R7981 or 1858016 against their specific equipment. Verify the engine code and turbo configuration before ordering to ensure the correct replacement application.
Technical Notes
The S200AG S200AG050 unit features a two-part housing construction with a silver compressor housing and a dark cast-iron turbine housing. Visible features include a V-band style flange on the compressor outlet and a two-port turbine inlet flange. An actuator assembly with a black pneumatic hose and metal related hardware is present, along with oil drain and feed ports on the turbine housing. Coolant passages indicate a water-cooled design. These visual details help buyers verify the physical configuration against their existing 178474 unit. Cross-check these features with your service manual to ensure the replacement application matches your specific CAT 3126B engine setup.
B2B Supply
LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing and worldwide shipping for the 178474 S200AG turbocharger. Our team provides technical fitment support to help you verify part number 178474, engine code CAT 3126B, and OEM reference numbers such as 0R7981 or 1858016 before ordering. This service helps confirm the correct replacement application for your specific equipment. For fleet parts buyers or rebuilders, we offer fast worldwide shipping and pre-shipment inspection to ensure the unit matches your requirements. Contact us for a quote or technical assistance regarding this aftermarket 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 178474, engine code CAT 3126B, vehicle application, and OEM reference numbers such as 0R7981 or 1858016 before ordering. Confirm turbo configuration matches your specific unit.
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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.
