Ya, but your 420 isn't a model that was very limited production and never sold in the USA -syncro cars are 4 wheel drive with a fully independent rear suspension.

That said 8k is a lot of dough

-J

Test the glow plugs first before replacing. Take the copper bus off and apply power to each plug via a 20 amp ammeter. If the plug spikes 18 amps and drop to 10 as it heats up it is good. Change only the bad ones.

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85 300D turbo pristine w 157k when purchased 167,870 July 2025
83 300 D turbo 297K runs great. SOLD!
83 240D 4 spd manual- parted out then junked

Do we even know if the glow system is installed at all? Is the system actually working? Inquiring minds want to know!

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1982 300sd from craigslist $800 greased on one tank with NO CONVERSION in the Hot Texas Sun. (currently dead & awaiting engine damage investigation and/or longblock swap)
new daily: '03 vw 5speed jetta tdi wagon. bagged&chipped