Grumpy's Metal

Grumpy's Metal

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Grumpy's Metal stocks the worlds largest supply of aftermarket sunroof parts for early bus and bug

Photos from Grumpy's Metal's post 11/20/2025

Here we’ve installed Grumpy’s 4th window inner and outer sheet metal part. Unlike the Chinese crap, our window has the correct contour of the bus. See in the second photo how the window shape is correct for the bus.

These are made here in the USA in our shop.

Photos from Grumpy's Metal's post 11/13/2025

This is one of my favorite transformations. We converted this beautiful 11 window into a 21 window. With some touch-up paint, it will be back on the road, better than ever!

Photos from Grumpy's Metal's post 11/06/2025

Here we installed a brand new set of our pans (made in the USA). Our pans are the best fitting pans in the world, complete with the tab needed for the deluxe brake-line. In stock, available on our website!

Photos from Grumpy's Metal's post 10/30/2025

We are breathing new life into an 11 window bus, starting by adding 8 sky windows and a sunroof. 2 more side windows and we’re building a 21 window deluxe. That’s inspiring!

Photos from Grumpy's Metal's post 10/23/2025

Grumpy’s Metal transformed this 11 window standard into a 15 window deluxe. We stamped the 8 windows into the roof and added our 4th window and corner windows.

10/17/2025

If you’ve ever wondered how a sheet of steel becomes a sunroof part - this is it. We form every bow and rail in-house for VW bugs and buses (’49-’67).

Photos from Grumpy's Metal's post 09/10/2025

I love seeing daily drivers head into the shop for the ultimate upgrade: 8 windows and a sunroof. Keep your eye out for this 23 window at your next show!

Photos from Grumpy's Metal's post 09/03/2025

If you’re gonna do it, do it right. Grumpy’s belly pans are a perfect fit and a structural addition to any sunroof conversion.

Photos from Grumpy's Metal's post 08/13/2025

If you’re going to do a ground up restoration, you might as well build a rag top Bug.

This is a 1956 oval window Bug. Here we’ve installed a Grumpy’s Metal 2 fold sunroof opening. It’s dimensionally the same as original, and comes complete with our assembly which fits perfectly in an original opening or ours.

Photos from Grumpy's Metal's post 08/06/2025

Panel van getting a full makeover stopped by Grumpy’s Metal for an 8 window with sunroof haircut. I bet with a little time and a lot of love, this bus will be a fully restored beautiful 23 window bus cruising the streets.

Photos from Grumpy's Metal's post 07/30/2025

Another order to our partner BBT in Belgium.

BBT is now selling our 2 fold and 3 fold conversion kits for your 1949-1955 Bettle and 1956-1966 Euro Bug.

Photos from Grumpy's Metal's post 07/24/2025

Why drive a 13 window when you can have a 21 window bus?

In 1 week, we transformed this sweet looking ride into an epic 21 window beach wagon.

And look at the fit and finish of our trim!

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Fullerton, CA