The New Holland 80543644 is a genuine OEM spring designed for a wide range of New Holland agricultural machinery. This essential component ensures proper tension and operation in various applications, including balers (BR740, BR750, BR7060, BR7070, BR7090), forage harvesters (FX25, FX30, FX45, FX50, FX60), headers (300F, 300S, 74C, 740CF, 740CR, 760CF, 760CR, 970, 971, 972, 973, 974, 980, 98D, 994, 996, 99C, 99D, 99N), mower conditioners (H7220, H7230, H7320, H7330, H7450, H7460, H7550, H7560, H7650, H7660, H7750, H7760, H7850, H7860, H7950, H7960), and windrowers (H8040, H8060, H8080). It measures approximately 51 mm in length and has a diameter of 10 mm, with a weight of 0.05 kg.