As will all the components, LR don't manufacture much (ok body shells) but buy in a whole lot of specialist parts from experts.

I bought a LR genuine sensor for mine at around £75 and it's a Ford engine (4.4TDV8) so that sensor - if I could find the right part in some Ford catalogue somewhere would cost literally half that. But I couldn't be certain so I paid the full whack. The sensor from the manufacturer if I could ever find the actual supplier would be half that again.

Short answer; LR don't make sensors, they spec them for their cars (or Ford spec them for the engines the go into LR's) and all that supply chain for replacement parts adds a lot to the price of a part in a series of mark-ups.

As for your hoses not lasting, based on a car being a LR design and body shell plus a shedload of external components, LR's reliability issues lie in this supply chain. Surely they are just not stress testing these components enough? Or writing the spec with enough longevity in mind.

Maybe they need Amazon-grade agreements in place.
eg. Iron not working? Send it back and get a replacement. Amazon don't pay to refund you, they make the supplier foot that responsibility. Buying power by these guys is used to create fantastic customer service.

With LR's size, I think their commercial people just aren't setting themselves (and us) up for success.
Maybe it's not that simple?

So I personally think if you know somebody is an OE supplier then why pay for the LR sticker on the pack.

. Cheers, Greg
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2011 Vogue SE 4.4 with lots of toys in Stornaway

Found the below ref the error code that came up on the IID tool. Left bank EGR, valve position or short circuit. Live values don’t suggest valve position is an issue so suspect it’s a short circuit.

P140A-21 Exhaust Gas Recirculation Sensor C Circuit Low – signal amplitude < minimum Signal amplitude less than minimum Exhaust gas recirculation valve Potentiometer signal less than minimum (sensor B) Refer to the electrical circuit diagrams and check - EGR Valve Position Sensor Bank B - Signal - circuit for short circuit to ground

Would agree with you gonna_go_double_r, the MAF is supplied by VDO and can be bought for nearly 50% less without the LR badge. Range Rover Vogue SE 2010