Head coach David Wagner has provided positive injury updates on seven Huddersfield players before Saturday's Premier League meeting with Tottenham at Wembley.
Lukaku struck very early and finished off wonderful counter-attack to punish the bright but toothless Terriers.
Manchester United take on Huddersfield Town for a place in the quarter-finals of the FA Cup but what team will Jose Mourinho select?
Ander Herrera is set to miss Manchester United's FA Cup clash against Huddersfield Town with a thigh problem
The Gunners score three goals in four second-half minutes to confidently dispatch of Huddersfield, whose away-day blues continue at the Emirates Stadium.
Head coach David Wagner has no concerns over Huddersfield's fitness amid hectic fixture list, although will decide tomorrow whether to make changes for tough clash against Arsenal.
Arsene Wenger is undecided over his Arsenal team to face Huddersfield as insists he has the squad in order to rest in time to face Manchester United.
Sead Kolasinac and Aaron Ramsey both score as Arsenal recover from a first-half deficit to beat Paul Clement's Swansea at the Emirates Stadium.
Liverpool playmaker Philippe Coutinho is suffering with an adductor injury and is a doubt for Saturday's Premier League match against Huddersfield Town.
Liverpool boss Jurgen Klopp says he would never let under-fire pair Simon Mignolet and Dejan Lovren down, although stopped short of confirming if they would be dropped.
David Wagner has confirmed that Elias Kachunga is available for Huddersfield's trip to Liverpool this weekend, while Collin Quaner could also feature.
Huddersfield will be without Philip Billing for up to 12 weeks after the Danish Under-21 international underwent surgery on an ankle injury suffered at Swansea.
Manchester United striker Anthony Martial avoids retrospective ban for kick on Huddersfield's Tommy Smith
Anthony Martial has avoided retrospective punishment for an alleged kick-out at Huddersfield's Tommy Smith during the Premier league defeat.
Manager David Wagner has confirmed that striker Steve Mounie will be back in Huddersfield squad for Saturday's Premier League clash with Manchester United.
Jose Mourinho expects Zlatan Ibrahimovic to return to contention before the end of the year as Manchester United striker steps up recovery from knee injury.
Paul Scholes: Manchester United legend confident Salford City can reach Championship within 10 years
The former England international currently turns out for Bengaluru Royals at the Premier Futsal.
Reds boss insists nothing is yet decided as Ward, Simon Mignolet and Loris Karius all compete for top job.
Wales international says newly-promoted club will "hold a special place" in his heart.
Terriers should work hard to retain services of Aaron Mooy, Danny Ward, Izzy Brown and Kasey Palmer.
Ward was part of the Huddersfield squad that achieved promotion to the Premier League.
Brown spent 6 months on loan with Huddersfield Town helping them gain promotion to the Premier League.
England U21 midfielder says that promotion has handed him an "even bigger incentive to come back".
David Wagner's side won 4-3 on penalties after goalless draw at Wembley.
Huddersfield Town vs Manchester City, FA Cup 2017: Where to watch, preview, betting odds and possible XI
Huddersfield are unbeaten in seven games at home.
Liverpool vs Huddersfield Town, pre-season friendly: How to watch live on TV, mobile and online in the UK and abroad
Liverpool will play their fourth pre-season fixture on Wednesday.
Liverpool transfer news: Reds keeper Danny Ward signs long-term deal at Anfield and joins Huddersfield Town on loan
Danny Ward made his Liverpool debut in his side's 2-1 win over AFC Bournemouth in April.