GROHE 43808000 Sealing Washer, Brass with Chrome Finish, 6 cm
Product description
What to know
At 6 centimetres in outside diameter, the GROHE 43808000 is a flat sealing washer made from brass, with a chrome exterior finish. Its listed thickness is 3 millimetres, giving you useful dimensions to compare with the part you are replacing.
The product name identifies it as a sealing washer, rather than a complete tap or repair kit. That makes the key buying question whether its size and shape match the existing fitting, the listing does not specify compatible tap models.
Buyer feedback is generally positive about fit and function. Some buyers say the washers helped with leaks or a running toilet, and describe installation as straightforward. These are individual reports, not a guarantee that this washer will resolve every leak.
Best use cases
This is most relevant when replacing a flat washer and you can compare the existing part with the stated 6 centimetre outside diameter and 3 millimetre thickness. For example, during a planned plumbing repair, matching the removed washer’s dimensions and profile can help avoid choosing a part that does not seat correctly.
A replacement washer is a more focused approach than changing an entire tap or fitting when the repair needed is limited to a seal. If the fault is elsewhere, or the fitting requires a different shape or size, those dimensions alone will not establish that this is the right part. The inside diameter tolerance is listed as 0.1 millimetres, but no specific inside diameter is provided.
Who it’s for


It makes sense if you are sourcing a brass, flat washer with a chrome finish and have the existing part available to compare. The stated dimensions and product code give you concrete reference points, while buyer comments offer some reassurance that others have found the fit and installation manageable.
It may not suit you if you need confirmed compatibility with a particular tap or plumbing model: none is named in the product details. Likewise, the listing does not give an inside diameter measurement, so that needs to be established from the fitting or replacement part before ordering. Within these limits, it is a straightforward option to consider for a like-for-like washer replacement rather than a broader plumbing change.
Practical questions
What is the washer made from? It is listed as brass, with a chrome exterior finish.
What size is specified? The outside diameter is 6 centimetres and the thickness is 3 millimetres. An exact inside diameter is not stated, only its tolerance is given as 0.1 millimetres.
Does it fit a particular tap? No compatible tap model is specified. Compare the washer’s shape and dimensions with the part already fitted rather than relying on the product name alone.
Is it worth it?
The GROHE 43808000 is worth considering for a targeted replacement where a flat brass washer with these dimensions is the match you need. The chrome finish and buyer reports of a good fit and simple installation add context, but they do not confirm compatibility with your fitting. If the existing washer’s measurements differ, or you need a confirmed model match, look for a part with those details stated before choosing.
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