Vemo V57-77-0025 HVAC Blend Door Actuator

HVAC Blend Door Actuator for GM Trucks and SUVs

Restore proper cabin temperature control with this VEMO HVAC blend door actuator, part number V57-77-0025. It is an OE-style replacement for vehicles using OE reference 52474810 and is listed for a wide range of 1999-2002 Chevrolet, GMC, and Cadillac applications.

Compatible With 1999-2002 Chevrolet Silverado 1500, 1999-2002 Chevrolet Silverado 2500, 2000-2002 Chevrolet Tahoe, and related GM full-size trucks and SUVs, this actuator helps maintain accurate air distribution and temperature blend control.

• VEMO brand HVAC blend door actuator
• OE reference 52474810 cross-reference
• Part number V57-77-0025 for catalog matching
• Direct-fit application coverage for select GM trucks and SUVs
• Supports cabin temperature blend door movement in the HVAC system

Application Coverage

• Fits 2002 Cadillac Escalade, N/A
• Fits 2002 Cadillac Escalade EXT, N/A
• Fits 2002 Chevrolet Avalanche 1500, N/A
• Fits 2002 Chevrolet Avalanche 2500, N/A
• Fits 1999-2002 Chevrolet Silverado 1500, N/A
• Fits 2001-2002 Chevrolet Silverado 1500 HD, N/A
• Fits 1999-2002 Chevrolet Silverado 2500, N/A
• Fits 2001-2002 Chevrolet Silverado 2500 HD, N/A
• Fits 2001-2002 Chevrolet Silverado 3500, N/A
• Fits 2000-2002 Chevrolet Suburban 1500, N/A
• Fits 2000-2002 Chevrolet Suburban 2500, N/A
• Fits 2000-2002 Chevrolet Tahoe, N/A
• Fits 1999-2002 GMC Sierra 1500, N/A
• Fits 2001-2002 GMC Sierra 1500 HD, N/A
• Fits 1999-2002 GMC Sierra 2500, N/A
• Fits 2001-2002 GMC Sierra 2500 HD, N/A
• Fits 2001-2002 GMC Sierra 3500, N/A
• Fits 2000-2002 GMC Yukon, N/A
• Fits 2000-2002 GMC Yukon XL 1500, N/A
• Fits 2000-2002 GMC Yukon XL 2500, N/A

What It Helps Correct

• Incorrect cabin temperature output
• Air stuck on hot or cold
• Weak response when changing HVAC settings
• Blend door movement problems inside the dash HVAC case
• Temperature control inconsistency in GM Silverado, Sierra, Tahoe, Yukon, and Escalade models

Installation Notes

Verify OE number 52474810 and confirm the vehicle application before installation. Access is typically through the HVAC housing, so inspect the blend door and related linkage for binding or damage before replacing the actuator. The part number V57-77-0025 should be matched to the original unit for proper catalog identification.

Quality Assurance

VEMO supplies OE-style aftermarket HVAC components for select GM applications. This part cross-references OE number 52474810 for the same application.