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In tank fuel pump to fit series tank


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It's a bit of a long shot, but does anyone know if there is an in-tank fuel pump that bolts into the old bolt-in fuel tank sender hole in a series tank? And dumb question, maybe, would such a pump have a gauge sender built in?

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  • 1 month later...

A bit behind the times, as ever,  but there is a possibility. There is an underseat tank originally intended for use as an additional tank on the 110 CSW. Same size and style as series. Has in tank pump and a sender, seperate units though.

The part Nos are:

tank NTC2110  https://www.brit-car.co.uk/product.php/88714/0/fuel_tank_under_seat_110_def__s111

sender unit PRC3098  https://www.brit-car.co.uk/product.php/424927/0/sender_unit_extra_fuel_tank_county_station_wagon___defender

in tank pump PRC7019  https://www.brit-car.co.uk/product.php/89863/0/in_tank_electric_fuel_pump___90_defender

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Why not choose an in tank pump that fits through t'hole, then cut and shut the series sender top onto it? Pipe cut then braze would leave no swarf inside and make a solid joint. Might just need a little adaptor turned up. Or there are aftermarket pumps that take an AN fitting that might suit. Again, braze an adaptor on the series sender. 

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I think I'll do something similar.

The late LWB rear tank sender also has the pickup pipe. It was retained by a locking collar, and the mounting flange is about 5mm smaller diameter than the old SWB unit.

I'll get one of those, and add the pump from the RRC unit. 

I'll drill the 6 holes, if there's enough to cover the mount, if not, I'll use the flange from a broken sender as a collar. It should seal fine. 

The only challenge is getting the electricity into the pump, how difficult can it be to seal wires in to the top plate?


Thanks for the great suggestions, it's really helped spark some ideas.

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