Chelsea will be confident of producing another dominant display on Thursday.
The Blues scored four goals at Turf Moor and will be hopeful of doing similar at Carrow Road.
Tuchel's side head to Norfolk looking for a fourth straight win.
Havertz has become Chelsea's main man and taken Lukaku's spot in the team.
The German netted a brace on the weekend in the Blues' 4-0 win over Burnley.
He is expected to once again lead the line for Tuchel's side on Thursday.
Match preview: Norwich City vs Chelsea
Norwich have now suffered four straight defeats and look destined for the drop.
The Canaries find themselves 5 points adrift at the bottom of the table.
They suffered a huge defeat on the weekend as they lost to fellow strugglers Brentford.
Den Smith's side were beaten 3-1 at home by the Bees and they now have a mountain to climb in their bid for survival.
Chelsea secure third straight win
Chelsea secured a third straight win last weekend as they thrashed Burnley.
The Blues defeated Sean Dyche's side 4-0 at Turf Moor.
James, Pulisic and a Havertz brace earned the three points for the visitors.
The win keeps them five points above Arsenal but they are still 16 points off top spot.
Norwich City team news
Billy Gilmour is ineligible to feature as Chelsea are his parent club.
The Canaries will have Lukas Rupp and Ozan Kabak back in the team.
Adam Idah and Andrew Omobamidele remain sidelined.
Chelsea team news
Reece James has picked up a fresh injury and is set to miss Thursday's clash.
He re-joins Cesar Azpilicueta and Ben Chilwell on the sidelines.
Alhtough Callum Hudson-Odoi and Marcos Alonso are both back from injury.