This chassis relay suits 95XF and XF95 trucks, with compatible part numbers 1669972, 06450030 and 1880377. It acts as a critical electronic unit within the brake system, keeping circuit signals transmitted steadily. Built with premium insulated and abrasion-proof materials, it maintains dependable operation, fewer faults and an extended service cycle. It is produced in accordance with OEM technical standards. It delivers accurate matching size and simple mounting, great for regular brake circuit upkeep and aftermarket part renewal.