Crozgan Heated Upper Glass for Ford Transit Mk8 Left Passenger Side (Convex) – Wing Mirror
Product description
What this is
A heated upper glass panel designed for the Ford Transit Mk8 (2014 onwards), specifically the left passenger side. It combines a convex reflective surface with a built-in heating element to help clear frost, fog and light rain. It’s intended for replacement on the wing mirror assembly, restoring visibility without the need for more extensive mirror surgery.

How it fits and what it’s for
This part corresponds to OE numbers 1823985, BK3117K741AA and BK31-17K741-AA. It’s marketed for the Ford Transit Mk8 platform and is described as a heated convex glass intended for the upper left position on the passenger side. If you’re replacing a damaged mirror or upgrading from a non-heated glass, this unit aims to provide the same mounting context with the added benefit of de-icing and de-fogging.

Build and durability at a glance


According to the description, the assembly uses high-quality glass and ABS material. The combination is chosen to deliver a wider and clearer view while remaining durable and stable in everyday use. The heating feature is highlighted as a practical response to challenging weather conditions, which can help maintain visibility on early mornings, frost, or drizzle.

Benefits you’ll notice in use
- Clearer field of view: The convex shape is intended to widen situational awareness, which matters when manoeuvring a large vehicle in urban streets or loading bays.
- Quick defrost/defog: The heating function is designed to reduce ice and condensation on the glass, potentially cutting routine pre-drive time.
- Built to match the vehicle’s context: Being a direct part-numbered solution for the Transit Mk8 suggests a similar fit and mounting approach to the original mirror glass.

Limitations and things to check before buying
- It’s a replacement glass for a specific position and vehicle, so accuracy of part numbers matters. Check that 1823985 or BK3117K741AA matches your vehicle’s requirements before purchasing.
- The description focuses on materials and the heating capability but does not detail motor or housing compatibility, mounting hardware, or electrical connector specifics. If you’re replacing it yourself, ensure you have access to the rest of the wing mirror assembly or plan for professional installation.
- The product listing does not provide price, warranty, or real-world fitment data. If you prioritise long-term reliability, you might want to verify after-sales support and return policies.



How to compare with alternatives
If you’re considering a non-heated glass or a non-convex variant, you’ll gain of course a simpler, potentially cheaper replacement. However, for drivers in climates with frost, hail, or frequent rain, a heated convex glass can offer practical advantages by reducing pre-drive preparation time and improving visibility after dew or sleet. The choice largely hinges on whether the heating function and the broader view are worth the additional cost and potential installation effort for your Transit Mk8.

Quick usage example
Imagine a frosty winter morning, reversing into a tight loading bay. With this heated convex glass, steam or frost clears more quickly, letting you gauge distances to nearby obstacles without reaching for a scraper or waiting for the defroster to work on the entire vehicle.
What to review before purchase


- Confirm the part numbers match your exact Transit Mk8 specification.
- Consider whether you need the housing, electrical connections, or mounting arms included in the package, or if you’re only replacing the glass.
- Verify your vehicle’s wiring tolerance for heating elements and whether additional fuse/relay considerations apply in your setup.
Final decision (Should you buy it?)
Is it worth it? If you frequently drive in cold or damp conditions and want quicker visibility restoration on the left passenger side, this Crozgan heated upper glass could be a sensible choice, provided the part numbers align with your Transit Mk8. It sits as a pragmatic upgrade rather than a premium performance feature, and it’s sensible for drivers who value reliability and clear sightlines in adverse weather. However, if your vehicle uses a different mirror format, or you require comprehensive mounting hardware included, you may want to explore alternatives or confirm exact compatibility before committing.
FAQ
- Will this fit Ford Transit Mk8 without modifications? It’s designed for the Mk8 and the left passenger side, compatibility depends on matching the OE numbers to your vehicle. Check the part numbers carefully.
- Does it include the heating element as standard? Yes, the description notes a heating function integrated into the convex upper glass.
- Is installation straightforward for a DIY enthusiast? The description does not detail installation steps or necessary tools. Basic familiarity with wing mirror replacement is helpful, but you may need additional hardware or professional support depending on your setup.
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