Odometer repair kit comprises 1 odometer gear and 7 light bulbs for use on the BACK of the speedometer of any 240 series. The gear is made from CORRECT material. Not too hard, to prevent wearing out other components inside the speedometer head, and not too soft. It has a correct module (contact pattern) and through hole which is exactly on center - not off to the side. It makes a big difference. The gear would walk ITSELF TO THE CORRECT designated path area. You will receive eight (8) items total: two (2) halogen light bulbs # 942571 (old number 641220, W170); two (2) light bulbs # 194 (V part number 949671, 194TC); three (3) light bulbs 1.2 watt with 20 MM long wire contacts (T5); and one (1) correctly manufactured odometer gear #3515295.