The Foxes currently lead the Hammers by four points in the Premier League standings with eight matches to play as both sides look to finish in the upper reaches of the league table.
Ahead of Sunday's meeting in the capital, LCFC.com provides everything you need to know...
How can I watch the game?
Supporters based in the United Kingdom can view live coverage of the clash from 2pm on Sky Sports Main Event and Sky Sports Premier League, with a range of sound options available.
Elsewhere, meanwhile, the international Blue Army can use the following TV stations...
| Country | Channel | Time |
| Australia | Optus Sport | 12:05am (Monday) |
| Belgium | Play Sports & Voo Sports | 3:05pm |
| Brazil | ESPN | 10:05am |
| Canada | DAZN | 8:05am |
| China | Tencent Sports | 9:05pm |
| Denmark | Xee | 3:05pm |
| Egypt | beIN Sports | 3:05pm |
| France | Canal+ & RMC Sport | 3:05pm |
| Hong Kong | NOW | 10:05pm |
| India | Disney+ Hotstar & Select | 6:35pm |
| Italy | Sky Sports | 3:05pm |
| Jamaica | RUSH | 8:05am |
| Japan | DAZN | 10:05pm |
| Mexico | Sky Sports | 7:05am |
| New Zealand | Spark Sports | 2:05am (Monday) |
| South Africa | Super Sports | 3:05pm |
| Thailand | truevisions | 8:05pm |
| United States | peacock | 9:05am |
Can't see your country listed? Click HERE for the full broadcast schedules.
Who's starring on LCFC TV?
From 12:35pm, Matchday Live begins on LCFC.com and @LCFC social media, with presenter Dan Bates providing a comprehensive 90-minute preview in the company of Leicester favourites Iwan Roberts and Gerry Taggart.
As well as all the pre-match discussion, there will also be confirmation of team news and snippets from either sides' preview press conferences, before handing over to the LCFC Radio team.
Starting at 1:55pm, commentator James Fielden and former Foxes skipper Matt Elliott will talk you through all the action, exclusively on the dedicated LCFC.com Match Centre and available to Digital Members (free sign-up).
Following full-time, there will be more to come from Roberts, Taggart and Elliott as they reflect on the clash and look ahead to City's exciting run-in.
What's the officiating team?
Referee Mike Dean will oversee matters in the capital, assisted by Ian Hussin and Mark Scholes, while the fourth official is Simon Hooper. Michael Oliver is in charge of VAR (Video Assistant Referee) alongside assistant Dan Cook.
When does everything happen?
Here's a timetable of events on Leicester's 31st Premier League matchday of the 2020/21 season...
| Event | Time |
| Matchday Live begins on LCFC TV | 12:35pm |
| Team news confirmed on @LCFC social media | 1:05pm |
| Commentary starts on LCFC Radio | 1:55pm |
| Sky Sports coverage commences* | 2pm |
| Kick-off | 2:05pm |
| Full-time | 4pm approx |
| Short highlights on LCFC TV | 6pm approx |
| Match of the Day 2 starts on BBC One* | 10:30pm |
| Full highlights on LCFC TV | 12am (Monday) |
*UK only.
What happened last time?
Last time the two sides met, West Ham triumphed 3-0 at King Power Stadium to inflict a first defeat of the season on Leicester City in October 2020, courtesy of strikes from Michael Antonio, Pablo Fornals and Jarrod Bowen.
The Foxes did, however, seal a double of victories over the Hammers last season, winning 2-1 at London Stadium before a 4-1 triumph at King Power Stadium.
When can I catch match highlights?
A two-minute highlights package will be available for supporters to access on LCFC TV approximately two hours after full-time, which is available for free to Digital Members on the Club's official website (free sign-up).
A full highlights video will be published on LCFC.com at midnight following the fixture and Leicester City's official social media channels will post short clips from the day's action.
Please note that in the interests of safety, Leicester City’s fixtures will continue to be played behind closed doors. To ensure matches can still go ahead and to help control the spread of COVID-19, the Football Club kindly asks its supporters to continue to follow their team from home and not to gather at any stadia.
All times BST unless stated otherwise.