LEGO 8063 Tractor with Trailer Set Parts Inventory and Instructions - LEGO Reference Guide
LEGO 42003 4175441 Yellow Technic, Axle and Pin Connector Perpendicular 3L with 2 Pin Holes | electricBricks : LEGO set and parts shop and database
LEGO 42003 4210857 Dark Bluish Gray Technic, Axle and Pin Connector Perpendicular 3L with 2 Pin Holes | electricBricks : LEGO set and parts shop and database
LEGO PART 42003 Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes | Rebrickable - Build with LEGO
Peeron: 4WD (#8435-1)
LEGO® 4211779 - 6273724 42003
BrickLink - Part 42003 : LEGO Technic, Axle and Pin Connector Perpendicular 3L with 2 Pin Holes [Technic, Connector] - BrickLink Reference Catalog
LEGO Part 42003 Technic, Axle and Pin Connector Perpendicular 3L with 2 Pin Holes [Pearl Light Gray] (4194025) | iBricktoys: LEGO shop guide and database
LEGO 42003 4210857 Dark Bluish Gray Technic, Axle and Pin Connector Perpendicular 3L with 2 Pin Holes | electricBricks : LEGO set and parts shop and database