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171727 BP Back Plate Replacement for Caterpillar 3126 HEUI Turbo

Aftermarket 171727 BP back plate for Caterpillar 3126 HEUI turbochargers. Verify part number and OEM references before ordering. Volume pricing available.

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

Type Back Plate On backorder — orders accepted Part # 171727 BP Packing N/A
Cross Reference 178186 BP
Show more cross references 178186 BP FOR 171717 BP FOR 171718 BP FOR 171719 BP FOR 171720 BP FOR 171721 BP FOR 171722 BP FOR 171723 BP FOR 171724 BP FOR 171725 BP FOR 171726 BP
CA$ 13 / 1 pc(s)
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Subtotal: CA$ 13

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

This aftermarket 171727 BP back plate is a replacement turbocharger component for Caterpillar 3126 HEUI engines. Designed for repair and rebuild applications, it serves as a reference part for turbo assemblies associated with OEM numbers such as 178186 BP and the 171717 BP series. Verify part number and application details before ordering.

Key Specifications

  • Part Number: 171727 BP
  • Product Type: Back Plate
  • Application Clue: Caterpillar 3126 HEUI
  • OEM Reference Numbers: 178186 BP, 171717 BP through 171726 BP series
  • Packing: N/A
  • Gross Weight: N/A
  • Image Availability: Yes (Top, Bottom, and Angled Views)

The part features a machined metallic surface with concentric grooves and a central bore. Verify these physical characteristics against your existing component.

Application & Compatibility

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

  • Caterpillar > 3126 HEUI

This back plate is listed for Caterpillar 3126 HEUI turbocharger applications. It is associated with OEM reference numbers including 178186 BP and the 171717 BP through 171726 BP series. Buyers should verify the specific turbo model, engine code, and emission-standard variant against their existing assembly before ordering. Physical inspection of the central bore and concentric grooves is recommended to confirm dimensional alignment with your current component.

Technical Notes

The 171727 BP back plate features a machined metallic surface with concentric grooves and a central bore. These visible characteristics help buyers compare the part against existing components during inspection. Exact material grade, dimensions, and thread specifications are not specified in the supplied data. Verify physical geometry against your current turbocharger assembly to confirm alignment. Technical fitment support is available to assist with reference number verification for the Caterpillar 3126 HEUI application.

B2B Supply

We supply aftermarket 171727 BP back plates for Caterpillar 3126 HEUI turbo applications. Volume pricing is available for distributors, rebuilders, and fleet parts buyers. Worldwide shipping options are offered to support global inventory needs. Technical fitment support helps verify part number 171727 BP against your specific turbo assembly and OEM reference numbers. Contact us for bulk quotes on this replacement component. We provide clear documentation to assist with reference number verification before ordering.

Product FAQ

This part is associated with OEM references such as 178186 BP and the 171717 BP through 171726 BP series. Verify these references against your specific turbo assembly.

It is designed for the Caterpillar 3126 HEUI application. Confirm your specific turbo model and emission-standard variant to ensure proper fitment before ordering.

Rebuilders often inspect or replace adjacent components like the CHRA, turbine housing, or compressor housing during a back plate replacement. Check your turbo's condition.

Yes, volume pricing is available for distributors and repair shops. Contact us for bulk quotes on this aftermarket replacement part.

OTHER 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 OTHER.

Compatibility Verify part number 171727 BP, engine code 3126 HEUI, vehicle application, and OEM reference numbers before ordering. This is an aftermarket replacement application.

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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.

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