This high-quality 12V truck air compressor assembly fits part numbers 5045010, 5045000, 5045030 and 1310523. It serves as a core component for the truck pneumatic and braking system, providing steady air pressure output. Adopting premium raw materials and precise processing, it features stable operation, low failure rate and strong durability. Offered at competitive prices, it is an ideal replacement for old or damaged air compressor parts.