BrickLink - Part 92014pb02 : LEGO Duplo Car Body with 2 Studs on Back and Yellow Headlights and EMT Star of Life Pattern (fits over Car Base 2 x 4) [ DUPLO, Vehicle] - BrickLink Reference Catalog
BrickLink - Part 12591c01 : LEGO Duplo Car Base 2 x 4 with Fixed Axles, Black Tires and Flat Silver Wheels [DUPLO, Vehicle] - BrickLink Reference Catalog
BrickLink - Part 12591c01 : LEGO Duplo Car Base 2 x 4 with Fixed Axles, Black Tires and Flat Silver Wheels [DUPLO, Vehicle] - BrickLink Reference Catalog
Lego Duplo Black Car Base 2 x 4 Fixed Axles Black Tires Yellow Wheel Hubs 12591 | eBay
BrickLink - Part 92014pb04 : LEGO Duplo Car Body with 2 Studs on Back and Yellow Headlights and Reverse Fire Logo Pattern (fits over Car Base 2 x 4) [ DUPLO, Vehicle] - BrickLink Reference Catalog
Bricker - Part LEGO - 12591c01 Duplo Car Base 2 x 4 with Fixed Axles, Black Tires and Silver Wheels
2012 LEGO Duplo 15314 12591 Chassis Base Gray | eBay
Bricker - Part LEGO - 12591c02 Duplo Car Base 2 x 4 with Fixed Axles, Black Tires and Yellow Wheels