Universal Air EX529516C A/C Expansion Valve - Front or Rear
OE Quality 60-Day Returns
Universal Air
 Block Expansion Valve

Universal Air EX529516C A/C Expansion Valve - Front or Rear

Brand Universal Air EX529516C
Position Front and Rear
Product line Block Expansion Valve
Fits Cadillac, Chevrolet, and GMC · 97 vehicles

Block expansion valve. Regulates refrigerant flow for efficient A/C system operation.

A/C expansion valve. Controls refrigerant metering to support consistent cooling performance.

$23.72Free shipping
In stock · usually ships same day before 1pm CST
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Free returns within 60 days if it doesn't fit when fitment is verified.
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Block Expansion Valve for GM HVAC Service

Universal Air EX529516C is a block expansion valve for automotive air conditioning systems. It is listed for front and rear HVAC applications on select Cadillac, Chevrolet, and GMC trucks and SUVs from 2017-2020.

  • Universal Air Block Expansion Valve line
  • Part number EX529516C
  • HVAC A/C flow restrictor application
  • Fits front, rear, and N/A-position listings as specified by vehicle
  • Direct fitment coverage for select Cadillac Escalade, Chevrolet Tahoe, Silverado, and GMC Sierra/Yukon models

Fitment Coverage

  • Fits 2019-2020 Cadillac Escalade, Front, Block Expansion Valve
  • Fits 2018-2020 Cadillac Escalade ESV, Front, Block Expansion Valve
  • Fits 2020 Chevrolet Tahoe, Front, Without long wheel base; Block Expansion Valve
  • Fits 2017-2018 Chevrolet Tahoe, Front, Without long wheel base; Block Expansion Valve
  • Fits 2018-2020 GMC Sierra 2500 HD, N/A, Block Expansion Valve
  • Fits 2018-2020 GMC Sierra 3500 HD, N/A, Block Expansion Valve
  • Fits 2017-2020 GMC Yukon, Front, Block Expansion Valve
  • Fits 2019-2020 GMC Yukon XL, Front, Block Expansion Valve
  • Fits 2019 Chevrolet Silverado 1500 LD, N/A, Block Expansion Valve
  • Fits 2017-2019 Chevrolet Silverado 2500 HD, N/A, Block Expansion Valve
  • Fits 2017-2019 Chevrolet Silverado 3500 HD, N/A, Block Expansion Valve
  • Fits 2017-2019 Chevrolet Suburban 3500 HD, Front, Block Expansion Valve
  • Fits 2019 Chevrolet Tahoe, Front, Block Expansion Valve
  • Fits 2019 Chevrolet Tahoe, Rear, Block Expansion Valve
  • Fits 2019 GMC Sierra 1500 Limited, N/A, Block Expansion Valve
  • Fits 2017-2018 Cadillac Escalade, Front, Without long wheel base; Block Expansion Valve
  • Fits 2017-2018 Chevrolet Silverado 1500, N/A, Block Expansion Valve
  • Fits 2018 Chevrolet Silverado 2500, N/A, Block Expansion Valve
  • Fits 2017-2018 GMC Sierra 1500, Front, Block Expansion Valve
  • Fits 2017-2018 GMC Yukon XL, Front, Without long wheel base; Block Expansion Valve
  • Fits 2017 Cadillac Escalade ESV, Front, Without long wheel base; Block Expansion Valve
  • Fits 2017 Chevrolet Silverado 1500, Front, Block Expansion Valve
  • Fits 2017 GMC Sierra 2500 HD, Front, Block Expansion Valve
  • Fits 2017 GMC Sierra 3500 HD, Front, Block Expansion Valve

What It Is Used For

  • Restoring refrigerant metering in the A/C system
  • Addressing weak or inconsistent cabin cooling
  • Replacing a leaking or restricted expansion valve
  • Correcting improper evaporator feed on front or rear HVAC circuits
  • Supporting service repairs on Cadillac Escalade, Chevrolet Tahoe, and GMC Sierra/Yukon platforms

Installation Notes

Verify the vehicle’s HVAC layout and position before ordering, since this part is cataloged for front, rear, and N/A applications depending on model. Confirm the part number EX529516C against the original valve and match the vehicle listing exactly, especially on Tahoe, Yukon, Escalade, and Silverado applications.

Quality Assurance

Universal Air’s Block Expansion Valve line is cataloged for specific GM truck and SUV HVAC applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Related reading

This part fits 97 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2020CadillacEscalade————FrontBlock Expansion Valve
2020CadillacEscalade ESV————FrontBlock Expansion Valve
2020ChevroletTahoe————FrontWithout long wheel base; Block Expansion Valve
2020GMCSierra 2500 HD————N/ABlock Expansion Valve
2020GMCSierra 3500 HD————N/ABlock Expansion Valve
2020GMCYukon————FrontBlock Expansion Valve
2020GMCYukon XL————FrontBlock Expansion Valve
2019CadillacEscalade————FrontBlock Expansion Valve
2019CadillacEscalade ESV————FrontBlock Expansion Valve
2019ChevroletSilverado 1500 LD————N/ABlock Expansion Valve
2019ChevroletSilverado 2500 HD————N/ABlock Expansion Valve
2019ChevroletSilverado 3500 HD————N/ABlock Expansion Valve
2019ChevroletSuburban 3500 HD————FrontBlock Expansion Valve
2019ChevroletTahoe————FrontBlock Expansion Valve
2019ChevroletTahoe————RearBlock Expansion Valve
2019GMCSierra 1500 Limited————N/ABlock Expansion Valve
2019GMCSierra 2500 HD————N/ABlock Expansion Valve
2019GMCSierra 3500 HD————N/ABlock Expansion Valve
2019GMCYukon————FrontBlock Expansion Valve
2019GMCYukon XL————FrontBlock Expansion Valve
2018CadillacEscaladeBase——GASFrontWithout long wheel base; Block Expansion Valve
2018CadillacEscaladePlatinum——GASFrontWithout long wheel base; Block Expansion Valve
2018CadillacEscaladeLuxury——FLEXFrontWithout long wheel base; Block Expansion Valve
2018CadillacEscaladePremium Luxury——FLEXFrontWithout long wheel base; Block Expansion Valve
2018CadillacEscaladeBase——FLEXFrontWithout long wheel base; Block Expansion Valve
2018CadillacEscaladePlatinum——FLEXFrontWithout long wheel base; Block Expansion Valve
2018CadillacEscaladePremium Luxury——GASFrontWithout long wheel base; Block Expansion Valve
2018CadillacEscaladeLuxury——GASFrontWithout long wheel base; Block Expansion Valve
2018CadillacEscalade ESVBase——GASFrontBlock Expansion Valve
2018CadillacEscalade ESVPlatinum——GASFrontBlock Expansion Valve
2018CadillacEscalade ESVLuxury——GASFrontBlock Expansion Valve
2018CadillacEscalade ESVPremium Luxury——GASFrontBlock Expansion Valve
2018CadillacEscalade ESVBase——FLEXFrontBlock Expansion Valve
2018CadillacEscalade ESVPlatinum——FLEXFrontBlock Expansion Valve
2018CadillacEscalade ESVLuxury——FLEXFrontBlock Expansion Valve
2018CadillacEscalade ESVPremium Luxury——FLEXFrontBlock Expansion Valve
2018CadillacEscalade ESVPremium——FLEXFrontBlock Expansion Valve
2018ChevroletSilverado 1500————N/ABlock Expansion Valve
2018ChevroletSilverado 2500———GASN/ABlock Expansion Valve
2018ChevroletSilverado 2500 HD————N/ABlock Expansion Valve
2018ChevroletSilverado 3500 HD————N/ABlock Expansion Valve
2018ChevroletSuburban 3500 HD————FrontBlock Expansion Valve
2018ChevroletTahoeLS5.3LV8FLEXFrontWithout long wheel base; Block Expansion Valve
2018ChevroletTahoeLT5.3LV8FLEXFrontWithout long wheel base; Block Expansion Valve
2018ChevroletTahoePPV5.3LV8FLEXFrontWithout long wheel base; Block Expansion Valve
2018ChevroletTahoeSSV5.3LV8FLEXFrontWithout long wheel base; Block Expansion Valve
2018ChevroletTahoeMidnight Edition5.3LV8FLEXFrontWithout long wheel base; Block Expansion Valve
2018ChevroletTahoePremier5.3LV8FLEXFrontWithout long wheel base; Block Expansion Valve
2018ChevroletTahoePremier6.2LV8FLEXFrontWithout long wheel base; Block Expansion Valve
2018GMCSierra 1500————FrontBlock Expansion Valve
2018GMCSierra 2500 HD————N/ABlock Expansion Valve
2018GMCSierra 3500 HD————N/ABlock Expansion Valve
2018GMCYukonSLE5.3LV8FLEXFrontBlock Expansion Valve
2018GMCYukonDenali6.2LV8FLEXFrontBlock Expansion Valve
2018GMCYukonSLT5.3LV8FLEXFrontBlock Expansion Valve
2018GMCYukonDenali6.2LV8GASFrontBlock Expansion Valve
2018GMCYukonSLT5.3LV8GASFrontBlock Expansion Valve
2018GMCYukonSLE5.3LV8GASFrontBlock Expansion Valve
2018GMCYukon XL————FrontWithout long wheel base; Block Expansion Valve
2017CadillacEscalade————FrontWithout long wheel base; Block Expansion Valve
2017CadillacEscalade ESV———GASFrontWithout long wheel base; Block Expansion Valve
2017CadillacEscalade ESV———FLEXFrontWithout long wheel base; Block Expansion Valve
2017ChevroletSilverado 1500LS5.3LV8GASN/ABlock Expansion Valve
2017ChevroletSilverado 1500LS4.3LV6FLEXN/ABlock Expansion Valve
2017ChevroletSilverado 1500LS5.3LV8FLEXN/ABlock Expansion Valve
2017ChevroletSilverado 1500LS4.3LV6GASN/ABlock Expansion Valve
2017ChevroletSilverado 1500Custom5.3LV8FLEXN/ABlock Expansion Valve
2017ChevroletSilverado 1500LT5.3LV8FLEXFrontBlock Expansion Valve
2017ChevroletSilverado 1500LT4.3LV6FLEXN/ABlock Expansion Valve
2017ChevroletSilverado 1500WT5.3LV8GASFrontBlock Expansion Valve
2017ChevroletSilverado 1500WT4.3LV6FLEXFrontBlock Expansion Valve
2017ChevroletSilverado 1500LTZ6.2LV8GASFrontBlock Expansion Valve
2017ChevroletSilverado 1500High Country5.3LV8GASN/ABlock Expansion Valve
2017ChevroletSilverado 1500High Country5.3LV8FLEXN/ABlock Expansion Valve
2017ChevroletSilverado 1500High Country6.2LV8GASN/ABlock Expansion Valve
2017ChevroletSilverado 1500SSV5.3LV8GASFrontBlock Expansion Valve
2017ChevroletSilverado 1500SSV5.3LV8FLEXFrontBlock Expansion Valve
2017ChevroletSilverado 1500Custom5.3LV8GASN/ABlock Expansion Valve
2017ChevroletSilverado 1500Custom4.3LV6FLEXN/ABlock Expansion Valve
2017ChevroletSilverado 1500LT5.3LV8ELECTRIC/GASFrontBlock Expansion Valve
2017ChevroletSilverado 1500LT5.3LV8GASFrontBlock Expansion Valve
2017ChevroletSilverado 1500WT5.3LV8FLEXFrontBlock Expansion Valve
2017ChevroletSilverado 1500LTZ5.3LV8GASFrontBlock Expansion Valve
2017ChevroletSilverado 2500 HD————N/ABlock Expansion Valve
2017ChevroletSilverado 3500 HD————N/ABlock Expansion Valve
2017ChevroletSuburban 3500 HD————FrontBlock Expansion Valve
2017ChevroletTahoePremier——FLEXFrontWithout long wheel base; Block Expansion Valve
2017ChevroletTahoeSSV——FLEXFrontWithout long wheel base; Block Expansion Valve
2017ChevroletTahoeLS——FLEXFrontWithout long wheel base; Block Expansion Valve
2017ChevroletTahoeLT——FLEXFrontWithout long wheel base; Block Expansion Valve
2017ChevroletTahoeZ71——FLEXFrontWithout long wheel base; Block Expansion Valve
2017ChevroletTahoePPV——FLEXFrontWithout long wheel base; Block Expansion Valve
2017GMCSierra 1500————FrontBlock Expansion Valve
2017GMCSierra 2500 HD————FrontBlock Expansion Valve
2017GMCSierra 3500 HD————FrontBlock Expansion Valve
2017GMCYukon————FrontBlock Expansion Valve
2017GMCYukon XL————FrontWithout long wheel base; Block Expansion Valve