Dometic / Electrolux Fridge Element - 240V -125W - 0565
Fits RM 2, 4, 6. Series models. also a replacement for old type RM212, RM212L, ALL - RM 4 series models.
Size - element - 13 cms straight distance from the corner, approx 9mm bore across the tube.
Details of your element are sometimes printed on the plastic sleeve covering the element cable wires.