I was looking to replace my wife's Corolla fuel pump and tried very hard to find a Denso replacement. After some time I noticed that Denso is not selling fuel pumps anymore, perhaps there is only a residual stock and this is why:
Denso and Aisan reached an agreement in 2022, so Aisan got the whole Fuel Pump business transferred. Aisan is not selling much aftermarket so that leaves only Toyota to sell at High Markup OEM prices, and of course Toyota has the higher share on Aisan. So, we're left looking at other brands not as good as Denso or pay the premium directly to Mr T.
DENSO and Aisan Reach Agreement on Transfer of Fuel Pump Module Business | Newsroom | News | DENSO Global Website
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Denso and Aisan reached an agreement in 2022, so Aisan got the whole Fuel Pump business transferred. Aisan is not selling much aftermarket so that leaves only Toyota to sell at High Markup OEM prices, and of course Toyota has the higher share on Aisan. So, we're left looking at other brands not as good as Denso or pay the premium directly to Mr T.