Alonso would secure an incredible six podiums from his first eight races, and although enduring a mid-season dip in form as rivals caught up, the Spaniard would still finish fourth in the drivers' standings.
And reflecting on what Alonso has brought to the team this season, Krack made it clear that the two-time world champion's influence extends far beyond the paddock on a race weekend.
Krack: Prowling Alonso is motivation enough
"What Fernando has brought us is just outstanding," he told the team's in-house media.
"He drives us on and makes us better – it's that simple really. He is hugely ambitious and wants to be fighting for podiums every weekend.
"The experience he brings is invaluable, but also the commitment. He isn't one of these drivers who turn up on a race weekend, does their thing and then disappears.
"There's always another question, another WhatsApp message pinging in, constantly looking for things we could improve.
"Having him prowling around behind you provides all the motivation anyone could need. I'm looking forward to what he can do in 2024 now that he's had a year to fully bed into Aston Martin."
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