Motorad T118 Engine Coolant Reservoir Cap
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Motorad T118 Engine Coolant Reservoir Cap

Brand Motorad T118
Material Caucho
Material Plastic
Material Plástico
Material Rubber
Diameter 1.65
Diameter 41.91
Color Black
Color Negro
Attachment Type Ajuste a presión
Attachment Type Push fit
Overall Height 0.42
Overall Height 10.67
Type Estándar
Type Standard
Cap Depth 0.13
Cap Depth 3.30
Pressure Release Lever No
Quick Pressure Release No
Shape Redondo
Shape Round
Indicator Markings Yes
Indicator Markings Color Black
Indicator Markings Color Negro
Vented Yes
9811 1.51
9811 38.35
Coolant Recovery System Yes
Gasket or Seal Pre-Installed Yes
Product line Standard
Fits Lexus and Toyota · 16 vehicles

OEM-spec replacement. Built to meet original equipment requirements for cooling system service.

Vented design. Includes proper relief and vacuum valves for pressure control.

Pre-installed seal. Supports a cleaner replacement with fewer sealing concerns.

Cross-references Gates T118, 703-5605 and 16405F0030 for the same application. See all 3.

$15.84Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $15.84
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Engine Coolant Reservoir Cap options

Engine Coolant Reservoir Cap Overview

Motorad T118 is a standard engine coolant reservoir cap manufactured to meet OEM specifications for cooling system service. It uses a push-fit attachment, a round black design, and a pre-installed seal for straightforward replacement on select Toyota and Lexus applications.

Key Features

  • Meets OEM specification requirements for cooling system fit and function.
  • Push-fit attachment for simple installation and removal.
  • Built with proper relief and vacuum valves for cooling system pressure control.
  • Round black cap with indicator markings for easier identification.
  • Vented design with a pre-installed gasket or seal.

Detailed Description

The Motorad T118 coolant reservoir cap is a standard replacement part for vehicles that use a vented, push-fit reservoir cap design. It is manufactured from plastic and rubber components and is quality tested for use in demanding automotive cooling systems. This part cross-references Gates T118 and 703-5605 for the same application. Fits 2019-2023 Toyota RAV4, N/A. Fits 2020-2023 Toyota Highlander, N/A. Fits 2021-2023 Toyota Sienna, N/A. Fits 2023 Lexus NX350, N/A. Fits 2023 Lexus RX350, N/A. Fits 2023 Lexus RX350h, N/A. Fits 2023 Lexus RX500h, N/A.

What It Is Used For

  • Replacing a worn or damaged coolant reservoir cap.
  • Restoring proper pressure and vacuum valve operation in the cooling system.
  • Addressing coolant loss caused by a poor cap seal.
  • Correcting fitment issues on a standard reservoir cap application.

Installation Notes and Tips

Confirm the reservoir cap style, diameter, and vented design before installation. The push-fit attachment and pre-installed seal support direct replacement service, and the cap should be seated fully to maintain proper cooling system sealing.

Quality Assurance

Motorad manufactures this cap to meet OEM specifications and quality tests it for cooling system durability and function.

This part fits 16 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypeNotes
2023LexusNX3502.4LL4—Relief Pressure N/A; Standard
2023LexusRX3502.4LL4—Relief Pressure N/A; Standard
2023LexusRX350h2.5LL4—Relief Pressure N/A; Standard
2023LexusRX500h2.4LL4—Relief Pressure N/A; Standard
2023ToyotaHighlander2.5LL4—Relief Pressure N/A; Standard
2023ToyotaRAV42.5LL4GASRelief Pressure N/A; Standard
2023ToyotaSienna2.5LL4—Relief Pressure N/A; Standard
2022ToyotaHighlander3.5LV6—Relief Pressure N/A; Standard
2022ToyotaRAV42.5LL4GASRelief Pressure N/A; Standard
2022ToyotaSienna2.5LL4—Relief Pressure N/A; Standard
2021ToyotaHighlander3.5LV6—Relief Pressure N/A; Standard
2021ToyotaRAV42.5LL4GASRelief Pressure N/A; Standard
2021ToyotaSienna2.5LL4—Relief Pressure N/A; Standard
2020ToyotaHighlander3.5LV6—Relief Pressure N/A; Standard
2020ToyotaRAV42.5LL4GASRelief Pressure N/A; Standard
2019ToyotaRAV42.5LL4GASRelief Pressure N/A; Standard
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Gates — T118703-560516405F0030