Earl E. Bell, 64, a Leesburg auto dealer who represented Loudoun and Prince William counties in the Virginia House of Delegates for six years, died Oct. 6 at Loudoun Memorial Hospital of congestive heart failure.

Mr. Bell, a resident of Hamilton, Va., served as a Democratic member of the House of Delegates from 1976 to 1981. Since 1968 he had been the owner of the Leesburg Chrysler, Plymouth, Datsun dealership.

Mr. Bell was born in Capron, Va., and raised in Portsmouth. He served in the Army Air Forces during World War II and graduated from Elon College in North Carolina.

Before moving to Loudoun County and establishing his auto dealership, Mr. Bell had lived in Arlington and worked as an auto salesman for other dealers. He moved to Arlington from California in the mid-1950s.

In the legislature he served on the committees of Agriculture, Privileges and Elections, and Roads and Navigations, and was known for his support of legislation to preserve farmland. He also was instrumental in obtaining funding for the Rte. 7 bypass around Leesburg. He was defeated in his bid for a fourth term.

Mr. Bell was a former president of the Leesburg Kiwanis Club and a member of the American Legion, the Veterans of Foreign Wars and the Piedmont Environmental Council. He was chairman of the 1982 United Way campaign in Loudoun County and was elected the Loudoun County Chamber of Commerce "Man of the Year" for 1982.

Survivors include his wife, Terry, of Hamilton; four sons, Barry of Aldie, Va., and Clay, Brett and Bradley, all of Hamilton; three brothers, Wesley G. and William P., both of Portsmouth, and Sheppard of Capron; and two sisters, Margaret Forti of Fort Lauderdale, Fla., and Julia Godfrey of Portsmouth.