This Haldex automatic slack adjuster with part numbers 80217 and 80180 is dedicated for MAN truck brake chassis parts. It automatically regulates brake clearance to keep consistent braking effect and driving safety. Adopting high-strength wear-resistant metal materials, it features sturdy structure, anti-aging and long service life. Manufactured following OEM technical standards, it fits perfectly with original assembly position, ideal for daily maintenance and brake system part replacement.