Product image unavailable. Placeholder image only.

400424-0001 T18A40 Turbocharger O Ring Replacement

Aftermarket 400424-0001 O ring for T18A40 turbochargers. Reference application for Detroit Diesel, Cummins, and Waukesha engines. Verify part number and engine application before ordering.

Orders without stock ship approximately 60 days after ordering. Estimated ship date if ordered today: .

Type O ring On backorder — orders accepted Part # 400424-0001 Models T18A40 Packing N/A
CA$ 145 / 100 pc(s)
Qty

Subtotal: CA$ 145

Send an Inquiry
12-Month Warranty Shipping to Canada only. OEM-Grade Quality

This aftermarket 400424-0001 O ring is a replacement component for T18A40 turbochargers, designed for industrial diesel applications including Detroit Diesel and Cummins engines. It serves as a sealing element for turbocharger assemblies in heavy-duty and genset configurations, with reference applications spanning Mercedes-Benz OM364A and Waukesha F3521 GSI units. Verify your specific engine code and turbo configuration before ordering to ensure correct fitment.

Key Specifications

  • Part Number: 400424-0001
  • Product Type: O ring
  • Turbo Model: T18A40
  • Application Clues: Detroit Diesel Industrial, Mercedes-Benz OM364A, Cummins KTTA-50-G, Waukesha F3521 GSI
  • Packing: N/A
  • Gross Weight: 0 kg
  • OEM Reference Numbers: None supplied

This section lists the factual identifiers for the 400424-0001 O ring. Use these details to cross-check against your service manual or existing part inventory. Since no specific OEM reference numbers are provided in the input data, rely on the part number and turbo model for initial identification. Verify the physical dimensions and material specifications against your specific engine application before proceeding with an order.

Application & Compatibility

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

This O ring is listed for reference applications across multiple industrial diesel platforms. Buyers should verify the specific engine code and turbo configuration before ordering. Reference applications include:

  • DETROIT-DIESEL > DETROIT-DIESEL INDUSTRIAL
  • MERCEDES-BENZ > OM364A
  • ONAN > 1250DFMB > 1250DFMB Genset > CUMMINS KTTA-50-G
  • WAUKESHA > F3521 GSI
  • WAUKESHA > L7042GSI
  • WAUKESHA > VHP F3521
  • Detroit Diesel Industrial
  • Mercedes-Benz OM364A
  • ONAN 1250DFMB Genset with Cummins KTTA-50-G
  • Waukesha F3521 GSI, L7042GSI, and VHP F3521

Confirm that part number 400424-0001 matches your service manual or existing part inventory. These application paths serve as verification clues rather than confirmed fitment. Consult technical fitment support if your engine model is not explicitly listed.

Technical Notes

The T18A40 turbocharger is a fixed-geometry unit commonly found in industrial diesel applications. This O ring serves as a sealing component within the assembly, helping maintain proper pressure and fluid containment. Since no specific material grade or dimensional data is supplied, buyers should verify the physical dimensions against their service manual. Confirm the part number 400424-0001 matches the existing component before installation. For T18A40 configurations, ensure the sealing surface is clean and free of debris to prevent leakage. Technical fitment support is available to assist with verification for Detroit Diesel or Cummins engine applications.

B2B Supply

LeadTurbo supports B2B buyers with volume pricing for the 400424-0001 O ring. Worldwide shipping is available for industrial diesel and genset applications. Technical fitment support is provided to help verify part numbers against Detroit Diesel, Cummins, and Waukesha engine codes. Inquire with specific engine details to confirm the correct replacement component for your T18A40 turbocharger assembly.

Product FAQ

Reference applications include Detroit Diesel Industrial, Mercedes-Benz OM364A, and Cummins KTTA-50-G gensets. Verify your specific engine code before ordering.

Consult the engine service manual for the specific T18A40 configuration. Confirm the bearing type matches the turbocharger assembly specifications for your engine model.

Ensure the journal bearing material and design align with the supplied reference details for your Detroit Diesel or Cummins engine. Verify with technical support if unsure.

The 400424-0001 O ring is listed as a reference application for Waukesha F3521 GSI and L7042GSI engines. Verify the specific turbo model installed on your unit.

DETROIT-DIESEL 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 DETROIT-DIESEL.

Compatibility Verify part number 400424-0001, engine code, vehicle application, and turbo configuration before ordering. Reference applications include Detroit Diesel Industrial, Mercedes-Benz OM364A, and Cummins KTTA-50-G.

Customer Reviews

Share installation notes, fitment feedback, or service experience for this product.

No customer reviews have been added for this product yet.

5/5

For More Information

Frequently Asked Questions

What types of turbocharger spare parts do you offer? Warranty, shipping, quality and more.

Turbochargers

Complete Turbo Units

Complete turbo units designed for rigorous heavy-duty use where OEM units may fall short.

CHRA Core

CHRA / Core Assemblies

Brand-new compatible CHRA cores — like-new performance at a fraction of replacement cost.

Turbine Wheel

Turbine Wheels & Shafts

Precision-balanced turbine shafts engineered from inside out for superior durability.

Turbine Housing

Turbine Housings

Silicon-molybdenum (Si-Mo) nodular cast iron — engineered for extreme heat resistance.

Compressor Housing

Compressor Housings

OEM-matched geometry and surface finish — advanced casting and machining for perfect fitment.

Bearing Housing

Bearing Housings

Rock-solid platform engineered for high-output rebuilds — the foundation for performance.

Compressor Wheels

Compressor Wheels

Aluminum, stainless steel, or titanium alloys — precision machined for superior responsiveness.

You May Also Need