Toyota Avensis Mk3 T270 Windscreen Washer Bottle Tank Reservoir 8531005141

Toyota Avensis Mk3 T270 Windscreen Washer Bottle Tank Reservoir is an original component of the washer system, designed specifically for the T270 generation Avensis models. Thanks to its factory-fit design for the bodywork and mounting points, it ensures stable seating, proper hose routing, and seamless operation with the pump and nozzles. This is a practical solution for users who want to restore full windscreen washer efficiency while maintaining parameters consistent with the manufacturer's standards.

Specifications and technical data

• SKU: 8531005141
• Mark: Toyota
• Condition: Used
• OEM Part Number: 8531005141
• Substitutable numbers: 8531005141, 85310-05141
• Part type: Reservoir
• Category: Washer Pumps, Reservoirs & Nozzles

Function and role of the windscreen washer reservoir

The windscreen washer reservoir in the Avensis T270 is responsible for the safe storage of the operating fluid and its stable delivery to the pump and subsequently to the nozzles on the windscreen. The properly shaped housing minimizes the risk of air entering the system when the fluid level is low, and the correctly selected connection ports limit the possibility of leaks. Using an original part allows for maintaining the correct geometry of the mounts, which is especially important in vehicles operated in difficult road conditions.

Benefits of using an original Toyota component

Choosing a windscreen washer reservoir dedicated to the Avensis T270 means maintaining factory compatibility with the existing pump electrical installation, hoses, and nozzles. The original design ensures:

• secure fitment to the mounting points in the wheel arch or engine bay (depending on the body version),
• proper routing of fluid hoses, which reduces the risk of chafing and leaks,
• maintenance of the correct operating capacity of the washer system,
• consistency with factory covers and body components. As a result, the washer system operates stably, and the driver maintains good visibility in rain, snow, and road grime, which directly impacts vehicle operation safety.

Purpose and application in Toyota Avensis T270

The presented reservoir has been developed with the specific body geometry of the Avensis T270 in mind, which translates into proper alignment with the vehicle's structural elements. Installing an original component reduces the need for modifications, adjusting brackets, or altering hoses, thereby shortening service time. This is particularly important in the case of post-accident repairs or replacing a component after mechanical damage, where the ability to quickly restore full functionality of the washer system is essential.

Condition and practical aspects of installation

The item comes from a group of used parts, which allows for an economical restoration of the washer system's efficiency while maintaining the original manufacturer's specifications. Before installation, it is recommended to perform a standard check of tightness, connection sockets, and mounting points, as well as to verify compatibility with the existing pump and hoses. A properly selected reservoir facilitates service, reduces the risk of leaks, and allows the washer system to be kept in good technical condition for a longer time.

Complementary washer system components and technical materials

If you are planning a comprehensive repair or upgrade of the area responsible for windscreen cleanliness in your Toyota and need other elements from the same group, such as additional reservoirs, pumps, or washer nozzles, check the available parts in the category Toyota washer reservoirs, pumps, and nozzles. For users interested in a broader look at diagnostics and component selection according to manufacturer markings, an article describing the principles of operation and maintenance of fuel supply systems may be useful. You will find there, among other things, information on identifying parts by factory markings, practical service tips, and answers to frequently asked questions: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.