451440-0002 Turbocharger Back Plate for Caterpillar XQ400 & 3406E
Aftermarket 451440-0002 back plate for Caterpillar XQ400 and 3406E applications. Verify flange type and bolt pattern against your turbine housing before ordering. Technical fitment support available.
Orders without stock ship approximately 60 days after ordering. Estimated ship date if ordered today: .
Subtotal: CA$ 55
Send an InquiryThis aftermarket 451440-0002 turbocharger back plate is a replacement component for Caterpillar XQ400 and 3406E engine applications. It serves McKain Power Systems XQ400 and Kenworth 3406E reference paths, supporting turbine housing assembly and sealing integrity. Verify your specific engine code and flange configuration before ordering to ensure correct fitment.
Key Specifications
- Part Number: 451440-0002
- Product Type: Turbocharger Back Plate
- Application Clues: Caterpillar XQ400, Caterpillar 3406E, McKain Power Systems XQ400, Kenworth 3406E
- Packing: N/A
- Gross Weight: 0 kg
- Image Availability: Not available
Verify the turbine housing flange type and bolt pattern against your existing unit before ordering. This back plate is a replacement component for the listed engine applications; confirm fitment with your specific turbo configuration.
Application & Compatibility
Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:
- Caterpillar > Caterpillar XQ400 > McKain Power Systems XQ400 > Caterpillar 3456
- Caterpillar > 3406E
- Kenworth > 3406E
This back plate is listed for Caterpillar XQ400 and 3406E engine applications, including McKain Power Systems XQ400 and Kenworth 3406E reference paths. These application clues help identify the correct part but do not confirm universal fitment. Buyers should verify the specific engine code, vehicle model, and production year before ordering. For twin-turbo or bi-turbo setups, confirm which turbo position requires the 451440-0002 back plate and check the flange type and bolt pattern on the turbine housing. Technical fitment support is available to assist with verification.
Technical Notes
The 451440-0002 back plate is a structural component that secures the turbine housing to the compressor housing. It maintains the alignment of the shaft and ensures the sealing integrity of the turbocharger assembly. For Caterpillar XQ400 and 3406E applications, verify the flange type and bolt pattern on your existing turbine housing before ordering. This part is a replacement application; confirm fitment with your specific turbo configuration. Technical fitment support is available to assist with verification of the correct part number and engine code.
B2B Supply
LeadTurbo supports B2B buyers, repair shops, rebuilders, and distributors with volume pricing and worldwide shipping for the 451440-0002 back plate. Technical fitment support is available to assist with verifying part numbers, engine codes, and flange configurations for Caterpillar XQ400 and 3406E applications. Contact our team to confirm specific requirements and obtain current pricing for bulk orders.
Product FAQ
Caterpillar XQ400 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 Caterpillar XQ400.
Compatibility Verify part number 451440-0002, engine code (XQ400 or 3406E), vehicle application, and turbine housing flange/bolt pattern before ordering. This is an aftermarket replacement application; confirm fitment with your specific turbo configuration.
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Frequently Asked Questions
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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.
