On November 9, 2012, it was reported that Harvick would drive for Stewart-Haas Racing beginning in 2014 once his longtime contract expired with Richard Childress Racing.
When Harvick was later asked if this was true at the Cup race in Phoenix, he refused to give a definite answer.
He was repeatedly asked by reporters in victory lane at Phoenix and at the Championship buffet in Las Vegas, but he continued to refuse to answer.

However, at the same time, Richard Childress gave remarks to reporters, fans, and on his social media pages that confirmed Harvick was most likely leaving the team after 2013, and that he desired a ride at Stewart-Haas Racing.

It was officially confirmed on January 22, 2013, that Harvick would be switching teams.
Harvick and Childress said the parting was mutual and that it was time for Harvick to move on.
Stewart-Haas Racing did not confirm what sponsor or number Harvick would be given.
During the official reports it was reported, but not officially told, that Budweiser was interested in staying with Harvick.
Kevin Harvick and Stewart-Haas Racing co-owner Tony Stewart gave reports in the Summer of 2013 that Harvick would most likely drive the No.
4.
On July 12, 2013, it was confirmed that Harvick would indeed drive the No.
4 but would replace Ryan Newman, who decided to part ways with Stewart-Haas Racing at the end of the season.
Harvick retained Budweiser as his primary sponsor for 21 races, with Jimmy John's sponsoring the remaining races for the 2014 season.
In October, it was announced that Harvick would also run a partial schedule in the Nationwide Series in 2014, competing in a minimum of 12 races for JR Motorsports.
Despite a second-place finish in his Budweiser Duel in a photo finish against Matt Kenseth and Kasey Kahne, Harvick failed post-race inspection, and his Duel finish was disallowed.
As a result, Harvick started the Daytona 500 in 38th, getting in the 500 on a Provisional.
Harvick ran up front during the Daytona 500, but was caught up in a last lap crash leaving turn 4, and was scored in the 13th position.

The following week at Phoenix, Harvick started 13th and dominated the race, leading 224 of 312 laps, holding off Dale Earnhardt, Jr. and Brad Keselowski over the final seven laps to take the checkered flag in 1st place.
This was Harvick's first win for Stewart-Haas Racing, and snapped a tie with Jimmie Johnson for most all-time wins at Phoenix.

However, following Phoenix came a bizarre five-race stretch in which Harvick finished 36th or worse four times, due to a hub failure at Las Vegas (41st), a cut oil line at Bristol (39th), a blown tire at Auto Club (36th) and an engine failure at Texas (42nd) – each time squandering one of the fastest cars on the track, as well as leading the most laps.

At Darlington, Harvick dominated the Bojangles' Southern 500 and overtook Dale Earnhardt Jr. on the final lap to win his second race for Stewart-Haas Racing.
In the All-Star Race, Harvick came up short to Jamie McMurray.
Harvick almost won the Coca-Cola 600 for the third time in four years, but a poor pit stop with 250 laps left cost him the race.
He recovered to score a second-place finish but finished 5.55 seconds behind Jimmie Johnson.

Harvick won the pole, both at Michigan and Indianapolis.
In the Irwin Tools Night Race, Harvick controlled the race early.
His race, however, turned for the worse when he controversially made contact with Denny Hamlin while racing for the lead.
Hamlin was angry over the collision and replied by angrily throwing his HANS Device at Harvick's car.
Harvick was later penalized by NASCAR for speeding on pit road, ensuring an 11th-place finish.
During the Chase, Harvick went on to win the Bank of America 500 at Charlotte, giving him his third win of the season.

At Martinsville, with four races to go in the Chase, Harvick was one of eight drivers still in the Chase.
Halfway through the race, the field was checking up.
Coming behind Harvick, Chase driver Matt Kenseth came in harder than the rest, and wrecked Harvick.
 Harvick later returned to the race but 42 laps do
On November 9, 2012, it was reported that Harvick would drive for Stewart-Haas Racing beginning in 2014 once his longtime contract expired with Richard Childress Racing. When Harvick was later asked if this was true at the Cup race in Phoenix, he refused to give a definite answer. He was repeatedly asked by reporters in victory lane at Phoenix and at the Championship buffet in Las Vegas, but he continued to refuse to answer.
However, at the same time, Richard Childress gave remarks to reporters, fans, and on his social media pages that confirmed Harvick was most likely leaving the team after 2013, and that he desired a ride at Stewart-Haas Racing.
It was officially confirmed on January 22, 2013, that Harvick would be switching teams. Harvick and Childress said the parting was mutual and that it was time for Harvick to move on. Stewart-Haas Racing did not confirm what sponsor or number Harvick would be given. During the official reports it was reported, but not officially told, that Budweiser was interested in staying with Harvick. Kevin Harvick and Stewart-Haas Racing co-owner Tony Stewart gave reports in the Summer of 2013 that Harvick would most likely drive the No. 4. On July 12, 2013, it was confirmed that Harvick would indeed drive the No. 4 but would replace Ryan Newman, who decided to part ways with Stewart-Haas Racing at the end of the season. Harvick retained Budweiser as his primary sponsor for 21 races, with Jimmy John's sponsoring the remaining races for the 2014 season. In October, it was announced that Harvick would also run a partial schedule in the Nationwide Series in 2014, competing in a minimum of 12 races for JR Motorsports. Despite a second-place finish in his Budweiser Duel in a photo finish against Matt Kenseth and Kasey Kahne, Harvick failed post-race inspection, and his Duel finish was disallowed. As a result, Harvick started the Daytona 500 in 38th, getting in the 500 on a Provisional. Harvick ran up front during the Daytona 500, but was caught up in a last lap crash leaving turn 4, and was scored in the 13th position.
The following week at Phoenix, Harvick started 13th and dominated the race, leading 224 of 312 laps, holding off Dale Earnhardt, Jr. and Brad Keselowski over the final seven laps to take the checkered flag in 1st place. This was Harvick's first win for Stewart-Haas Racing, and snapped a tie with Jimmie Johnson for most all-time wins at Phoenix.
However, following Phoenix came a bizarre five-race stretch in which Harvick finished 36th or worse four times, due to a hub failure at Las Vegas (41st), a cut oil line at Bristol (39th), a blown tire at Auto Club (36th) and an engine failure at Texas (42nd) – each time squandering one of the fastest cars on the track, as well as leading the most laps.
At Darlington, Harvick dominated the Bojangles' Southern 500 and overtook Dale Earnhardt Jr. on the final lap to win his second race for Stewart-Haas Racing. In the All-Star Race, Harvick came up short to Jamie McMurray. Harvick almost won the Coca-Cola 600 for the third time in four years, but a poor pit stop with 250 laps left cost him the race. He recovered to score a second-place finish but finished 5.55 seconds behind Jimmie Johnson.
Harvick won the pole, both at Michigan and Indianapolis. In the Irwin Tools Night Race, Harvick controlled the race early. His race, however, turned for the worse when he controversially made contact with Denny Hamlin while racing for the lead. Hamlin was angry over the collision and replied by angrily throwing his HANS Device at Harvick's car. Harvick was later penalized by NASCAR for speeding on pit road, ensuring an 11th-place finish. During the Chase, Harvick went on to win the Bank of America 500 at Charlotte, giving him his third win of the season.
At Martinsville, with four races to go in the Chase, Harvick was one of eight drivers still in the Chase. Halfway through the race, the field was checking up. Coming behind Harvick, Chase driver Matt Kenseth came in harder than the rest, and wrecked Harvick.  Harvick later returned to the race but 42 laps do
Kevin Harvick