Reserve Tank Cap Sub-Assembly for 1998-2007 100 Series / LX470 Land Cruisers

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Reserve Tank Cap Sub-Assembly for 1998-2007 100 Series / LX470 Land Cruisers

Toyota Reserve Tank Cap Sub-Assembly #16405-50020 is the cap that closes the coolant reserve tank and supports proper operation of the cooling system. It is built to match the reservoir opening and work with your Toyota cooling system for consistent engine temperature management.

  • Secure Reservoir Seal: Helps maintain proper coolant system containment
  • Cooling System Match: Built for Toyota reservoir specifications
  • Stable Operation: Supports consistent cooling system performance
  • Quality Replacement: Genuine Toyota construction for dependable fit

Genuine Toyota parts are designed to fit your specific Toyota model and are backed by Toyota's genuine parts warranty.


Product Details & EPC Specifications:
  • Genuine Toyota Part Number: 16405-50020
  • Toyota EPC Nomenclature: CAP SUB-ASSY, RESERVE TANK
  • EPC Part Name Code (PNC): 16471 (Fig. 1603 - Radiator and Water Outlet)
  • Package Quantity: 1
  • Dimensions: 10.6" x 9.4" x 2.2" (0.13 lbs)

Vehicle Fitment & Applications
Series / Chassis ModelsProduction YearsEngine / Application Notes
UZJ100 Land Cruiser Early (2UZ-FE 4AT)01/1998 - 08/2002Engine: 2UZ-FE (4.7L DOHC 32V V8) | Req Qty: 1
UZJ100 Land Cruiser Late (2UZ-FE 5AT)08/2002 - 05/2005Engine: 2UZ-FE (4.7L DOHC 32V V8) | Req Qty: 1
Lexus LX470 Late (UZJ100 2UZ-FE 5AT)08/2002 - 05/2005Engine: 2UZ-FE (4.7L DOHC 32V V8) | Req Qty: 1
Lexus LX470 Early (UZJ100 2UZ-FE 4AT)01/1998 - 08/2002Engine: 2UZ-FE (4.7L DOHC 32V V8) | 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, 16405-50020, 1640550020, 16405 50020, 16471, 100 Series / LX470

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

  • Shipping Weight: 0.13 lbs
  • Manufactured by: Genuine Toyota
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$51.55

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