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Good evening, I am Piet Keijzers and I live in the Netherlands. I recently bought a 240 Z and am having problems with the mounting of the horn. Here are 2 photos: a photo of how it is mounted on my car and a photo from the internet of how it should be. I don't understand the latter because the small black wire, which carries voltage, then makes continuous contact with the ground, causing the horn to beep continuously. I will upload some photos of my 240 Z later. Regards, Piet from the Netherlands.

Thanks Zed Head. I had seen this but I cant seem to see anything that would help locate them. Hoping someone here could measure there car and post what they show.

Already checked in Japan. I posted earlier

For sure I’d like to have an original OEM sending unit. I don’t think paying $1000-$1400 for a unit makes any sense. My brand new fancy European fuel tank was less than $1000. If anybody has the part number, please share that it’s worth asking Nissan if they can get it and how much💰 My trusty Winter vehicle will be 24 years old Palm Sunday.

Do the illustrations in the Body chapter have any value? 1972 -

Replaced my frame rails and am looking for info on where the tension compression bucket locates on the new rocker. Can anyone provide measurements in the image for me?

Seems like sound logical advice. Thank you.

If someone has the part number, you can get original at NISSAN. Don't fall for the cheap chinese copy few weeks and it stops working If you think about it.... we should be lucky to have so much spare parts for these cars so CHEAP!!! Think of people with those stupid headlights of today!! 1000$ is nothing for a new one.. (I sold my 240z and could buy a nice car, i didn't ... bought a car for the winter period of 15 years old.. nice small car no problems and simple headlights!)

Five and dime…

I have learned to anticipate repairing or correcting aftermarket parts before I install them. Some repairs are simple like chasing threads, other more complex like disassembling, cleaning, and reassembling. The fuel level function can be tested before installation, no need to soak it in gasoline. I would guess that it might even be possible to swap parts from an aftermarket assembly over to an OEM sender to get it to function correctly. For the money involved, it might be worth the time. Buy a cheap aftermarket assembly for the parts.

On Mar 24, 2026, at 6:28 AM, Zcardepot.com <sales@zcardepot.com> wrote:  Only ones we can get are the aftermarket ones which are hit or miss. If you want the best quality unit, you'll need to hunt around for an OEM one (be prepared to pay well over $1000).

I also checked on Amamaya Japanese sight and they are 1,015.00. The word is out there.

For sale is one L-28 long block. This is the desirable N42/N42 block and head combination. When I needed to build a new engine for my "track day" car, I located and purchased three of these same engine and block combinations (about 10 years ago). The first block we sonic tested accommodated my requirement of an 89 mm bore size, so I didn't need to use either of the remaining two spare engines. These two were removed about 10 years ago from cars which were in the same salvage yard in VA and have been stored inside my garage since. I now need to free up some space in my garage, so I am interested in selling one of these off. I will add pictures to this ad in the next day or two. Price: $700 plus shipping to your location or you can pick it up in Marietta, GA. Questions? Need more info? Just ask. Thanks! Garrett

Welcome to the Zcar world. These are probably the last of the stock they had.

Thanks Mark, my plan is to remove the original sending unit from the tank inspect clean test and install in the new tank. Crazy to think, Nissan can justify such an astronomical price a simple OEM sending unit.

Can you describe you car symptoms? I bought this fan clutch and it aint solving the hesitation once the temp hits 3/4 https://www.totalzparts.com/product/datsun-240z-260z-280z-280zx-engine-cooling-fan-clutch-new-made-in-japan/?srsltid=AfmBOorqLoh_Q70OaVbY33ZwcmzCbYfHbiDxb_eAgjnf4Rlx4LtaLxcpWrM

Jumping in VERY late. I had a similar issue to this and changing to this fanclutch fixed it since it grabs harder than the standard Aisin one.

Before you buy a new sender, submerge your old one in CLR for 24-48 hours. You'll be amazed.

Hi WolfZee, A transaction is in progress. If anything should change, I will let you know.

I reconnected the hose to the number 6 I take runner port, which is where I had it before. Right now I think my brake issues are being caused by air in the system, specifically in the MC. I’ve bless it three times and, even though the pedal is nice and firm when I finish, by the time I get it back on the ground it’s soft again, boost or no boost. I also noticed my rear calipers are getting a sheen of brown so I am going to pull them to be painted since I’m going to have to bleed this thing again anyway.

I purchased one for my 78 and it’s more intricate than a 240 and it works perfectly. I’m very surprised he would say it was hit or miss.

It would be nice if they had those in stock. Matt over there said the aftermarket ones are hit or miss.

Z Car Depot IncFuel Tank Gauge Sending Unit Sender 240Z 260Z 280Z 70-78Fuel Tank Sending Unit Gauge OEM 240Z 70-73 Datsun 240Z Fuel Sending unit.

I was afraid I'd see a number like that. Maybe I should clean up my old original

Nissan still sells the sending unit, but WOW they have gone up in price. I picked up mine for around $225.00.