Jaguar XF X250 XJ X351 Windscreen Washer Bottle Filler Neck Cap 8X23-17N605-AE

Jaguar XF X250 XJ X351 Windscreen Washer Bottle Filler Neck Cap is an original washer system component designed for Jaguar XF X250 and XJ X351 models. Thanks to its factory-spec fitment, it ensures a secure closure of the fluid filler neck, which helps maintain system integrity and cleanliness in the engine bay. This is a practical solution for users who want to maintain the consistency of body and washer system components in their Jaguar.

Specifications and technical data

• SKU: 8X23-17N605-AE
• Mark: Jaguar
• Condition: Used
• OEM Part Number: 8X23-17N605-AE
• Substitutable numbers: 8X23-17N605-AE, 8X2317N605AE, C2Z1339
• Part type: Wiper Motor Cover
• Category: Additional Wiper & Washer Components

Purpose and function of the filler cap

The washer bottle filler cap in a Jaguar is responsible for securely closing the service opening through which washer fluid is replenished. A correctly selected component:

• reduces the risk of fluid splashing while driving,
• protects the inside of the reservoir from external contaminants,
• makes it easy to quickly locate the fluid filling point in the engine bay. For Jaguar XF X250 and XJ X351 models, using the correct cap is essential for maintaining proper serviceability and engine bay aesthetics.

Original origin and compatibility

The presented cap comes from the line of original Jaguar parts, which means it maintains factory manufacturing and fitment standards. The element is assigned to a specific model group, allowing it to fit the indicated body versions without the need for modifications. An original component of this type primarily offers:

• a secure fit with the washer bottle filler neck,
• compliance with factory mounting and component geometry,
• a consistent look with other engine bay elements in your Jaguar.

Functional characteristics of the component

The washer bottle filler cap is a consumable part that is exposed to frequent opening, closing, and temperature changes during daily use. Replacing it with an original component allows you to:

• restore the proper operation of the filler closure,
• minimize the risk of accidental opening while driving,
• maintain clear serviceability – easy and quick fluid refilling. This is particularly important in premium class cars, where both functionality and the preservation of factory manufacturing standards are valued.

Condition and benefits of choosing a used part

The offered cap is in used condition, which represents a reasonable compromise between cost and maintaining the manufacturer's original quality. In practice, this means the ability to restore full functionality to the washer system without the need to invest in a new part. Choosing an original used part for your Jaguar allows you to:

• maintain compliance with the vehicle's factory specifications,
• preserve the high quality of materials typical of the Jaguar brand,
• reduce repair costs while maintaining an appropriate standard of workmanship.

Related Jaguar washer system components

If you are planning a comprehensive repair or upgrade of the washer system area in your Jaguar and need other elements from the same group, such as fluid delivery hoses, washer nozzles, or wiper arm mounts, check out the available parts in the Other Jaguar wiper parts category.

Technical knowledge and development of the parts inventory

If you are interested in how manufacturers develop their models in terms of body accessories, electronics, and equipment, it is worth familiarizing yourself with the analysis of structural changes in popular models. A good point of reference is a detailed discussion of upgrades in the compact sports car segment – you can find it in the article Hot-hatch legend: the evolution of the VW Golf GTI from Mk1 to Mk8 – structural changes and VW car parts, which shows how the selection of appropriate components affects vehicle operation.