Catalytic Converter Insulator Upper for 2007-2023 70 Series Land Cruisers

Catalytic Converter Insulator Upper for 2007-2023 70 Series Land Cruisers
The Catalytic Converter Insulator Upper (#18431-51010), an integral component within the Manifold system of a vehicle's Engine-Fuel parts, plays a crucial role in maintaining optimal operational conditions. During operation, this essential insulator shields the catalytic converter from excessive heat, thus preserving its function and longevity. Over time, however, the insulator can wear out and cause the converter to overheat, leading to inefficiency and potential damage. Therefore, periodic replacement of the Catalytic Converter Insulator Upper (#18431-51010) with genuine Toyota parts, backed by Toyota's genuine parts warranty, is crucial for maintaining the vehicle's compatibility and performance. The proper functioning of this part directly contributes to the overall efficiency of the system, reducing fuel consumption and emissions, thereby enhancing the vehicle's performance and environmental friendliness.
Product Details & EPC Specifications:
  • Genuine Toyota Part Number: 18431-51010
  • Toyota EPC Nomenclature: INSULATOR, CATALYTIC CONVERTER, UPPER
  • EPC Part Name Code (PNC): 18431 (Fig. 1701 - Manifold)
  • Package Quantity: 1
  • Dimensions: 9.3" x 5.5" x 1.6" (0.48 lbs)

Vehicle Fitment & Applications
Series / Chassis ModelsProduction YearsEngine / Application Notes
VDJ76 / VDJ79 Land Cruiser 70 V8 Turbo Diesel (1VD-FTV 4.5L)01/2007 -Engine: 1VD-FTV (4.5L V8 Turbo Diesel) | Req Qty: 1

If you have any questions about the other models of Land Cruisers that these fit, please feel free to give us a call and we will be glad to help you find the right fit for your needs.


If you have any questions about the item(s) that you may need please feel free to call and we will be glad to help you find what you are looking for. Feel free to call or email the contact information listed below.

Price shown is for a New Genuine Toyota part.

All Remanufactured and New Genuine Toyota Parts have a 1 Year Warranty on them.

(Used, New, Refinished, Rebuilt/Remanufactured, and Aftermarket options may also be available. If so, select below.)

All Used Parts have a 90 Warranty on them and are guaranteed to be in good working and/or serviceable condition. Some cleaning, sandblasting and painting may be required per visual preference.

Cruiser Parts Contact Information


Tags: land cruiser, landcruiser, land cruisers, landcruisers, 18431-51010, 1843151010, 18431 51010, 18431, 70 Series

***Photo shown is for representative purposes only and may not match actual product.***

  • Shipping Weight: 0.48 lbs
  • Manufactured by: Genuine Toyota
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$42.15

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This product was added to our catalog on Wednesday 01 January, 2025.