Product image unavailable. Placeholder image only.

821943-5003S GT1236Z Turbocharger Replacement R9M450

Aftermarket 821943-5003S GT1236Z turbocharger for R9M450 applications. Verify part number, engine code, and OEM reference numbers before ordering.

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

Type Turbocharger On backorder — orders accepted Part # 821943-5003S Models GT1236Z
Cross Reference 821943-0003
Show more cross references 821943-0003 821943-3
Request Quote
Send an Inquiry
12-Month Warranty Shipping to Canada only. OEM-Grade Quality

This 821943-5003S GT1236Z turbocharger is an aftermarket replacement unit designed for R9M450 and R9M408 engine applications. It serves as an aftermarket replacement reference for vehicles including Renault, Fiat, Nissan, Opel, and Vauxhall models, with OEM reference numbers 821943-0003 and 821943-3 available for fitment verification.

Key Specifications

  • Part Number: 821943-5003S
  • Product Type: Turbocharger
  • Turbo Model: GT1236Z
  • OEM Reference Numbers: 821943-0003, 821943-3
  • Application Clues: R9M450, R9M408, R9M452, R9M GEN2
  • Packing: Not specified
  • Gross Weight: Not specified
  • Image Availability: No image provided

Verify these specifications against your vehicle's service manual or parts catalog to ensure the 821943-5003S unit matches your specific engine configuration before proceeding with an order.

Application & Compatibility

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

The 821943-5003S GT1236Z turbocharger is listed for R9M450 and R9M408 engine applications. Reference numbers 821943-0003 and 821943-3 are associated with this unit for fitment verification. Application clues include:

  • RENAULT > R9M450
  • FIAT > R9M408
  • NISSAN > R9M408
  • OPEL > R9M408
  • RENAULT > R9M GEN2
  • RENAULT > R9M452
  • Vauxhall > R9M
  • Renault: R9M450, R9M452, R9M GEN2
  • Fiat: R9M408
  • Nissan: R9M408
  • Opel: R9M408
  • Vauxhall: R9M

These paths serve as replacement application clues. Verify the specific engine code, production year, and OEM reference numbers against your vehicle's service manual before ordering to ensure the 821943-5003S matches your configuration.

Technical Notes

The GT1236Z is a fixed-geometry turbocharger. Verify the turbine housing bypass port diameter and wastegate flapper valve seating against your original unit or technical drawings to ensure correct boost control. Confirm the compressor cover inlet bellmouth design matches your application. Cross-reference part number 821943-5003S with OEM references 821943-0003 and 821943-3. Check for carbon buildup or damage on the flapper valve, as improper seating affects performance. Use these technical checks to confirm the 821943-5003S is the correct replacement for your R9M450 or R9M408 engine configuration.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing and worldwide shipping for the 821943-5003S GT1236Z turbocharger. Technical fitment support is available to help verify part number, engine code, and OEM reference numbers against your specific vehicle configuration. Inquire about bulk order terms and pre-shipment inspection options for R9M450 and R9M408 applications. Confirm all details before ordering to ensure the unit matches your requirements.

Product FAQ

Inspect the flapper valve for proper seating and free movement. Ensure no carbon buildup or damage prevents the valve from closing fully, which can affect boost control on the 821943-5003S unit.

Measure the bypass port diameter against the specifications for the GT1236Z model. Compare it with the original housing or technical drawings to ensure the 821943-5003S replacement matches the required flow characteristics.

The 821943-5003S is associated with OEM reference numbers 821943-0003 and 821943-3. Verify these references against your vehicle's service manual or parts catalog before ordering.

The GT1236Z is referenced for Renault R9M450, Fiat R9M408, and Nissan R9M408 engines. Confirm the specific engine code and production year to ensure the 821943-5003S is the correct replacement unit.

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, engine code, vehicle application, production year, and OEM reference numbers before ordering. This is an aftermarket replacement; confirm fitment against your specific vehicle configuration.

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