904-861 Vacuum Pump For 2014-2020 Chevy Tahoe Silverado Suburban 1500,Cadillac Escalade,GMC YUKON Sierra Denali 1500,4.3L 5.3L 6.2L-12662552 12669488 12696313 12654013 12659655 12660004

AULINK 904-861 Vacuum Pump For 2014-2019 Chevy Tahoe Silverado Suburban 1500,Cadillac Escalade,GMC YUKON Sierra Denali 1500,4.3L 5.3L 6.2L-12662552

AULINK Engine Vacuum Pump stands out as the smart option. Affordable, reliable and built to last,

Vacuum pump is to evacuate the air from the brake booster tank, thus creating vacuum, used for brake application

• Features & Benefits:
• Direct-fit OE replacement ensures proper fit, form, and function, which leads to a trouble-free installation.
• High-quality O-rings and seals prevent leaks and maintain proper vacuum pressure.
• Machine-cut pulley shaft ensures OE-matching dimensions for precise fit and ease of installation.
• Undergoes 100% pressure testing to prevent leaks and ensure OE-matching performance.

What does a vacuum pump do?

The vacuum pump aims to provide a vacuum to several different places in the engine bay. The booster on power brake systems is one of the critical components that require a vacuum.

The vacuum pump makes sure that the booster stays under constant vacuum to provide adequate braking force.

Emissions solenoids and turbocharger wastegate actuators also require a vacuum to perform as intended. If these parts don't receive a vacuum,

they won't function properly and trip a corresponding check engine light.

Symptoms of a Bad or Failing Vacuum Pump