Thermostat
InfoVehicle Info Needed
ACDELCOPART NUMBER: 065-131-156

Thermostat

$2599
ShippingShips on 09/25/2026
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Thermostat
  • 2003-2009 Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac & Saab
  • Material: Stainless Steel
  • Height: 2.91 in.
  • Color: Natural
  • Jiggle Pin Weep Hole: Yes
  • Sold Individually

    ACDelco 131-156 Thermostat is designed as an application-specific service replacement that supports proper fit, function, and system integration. Supports proper engine thermal management and cooling-system performance. Verify vehicle fitment and system configuration before installation.

    ACDelco 131-156 Features:

    • Designed for application-specific fit within the vehicle cooling system
    • Designed to restore temperature-controlled coolant flow in compatible applications

    ACDelco 131-156 Fitment:

    • 2003-2006 Cadillac Escalade & Chevy Avalanche 1500/SSR/Silverado 1500/Suburban 1500/Tahoe/Trailblazer EXT & GMC Envoy XL/Sierra 1500/Yukon/Yukon XL 1500 & Isuzu Ascender
    • 2004-2006 Buick Rainier & Cadillac Escalade ESV/Escalade EXT & Chevy Express 1500/Express 2500/Express 3500/Silverado 2500 HD/Silverado 3500/Suburban 2500 & GMC Savana 1500/Savana 2500/Savana 3500/Sierra 2500 HD/Sierra 3500/Yukon XL 2500 & Hummer H2 & Pontiac GTO
    • 2004-2005 Cadillac CTS & GMC Envoy XUV
    • 2004-2008 Chevy Corvette
    • 2004 Chevy Silverado 2500 & GMC Sierra 2500
    • 2005-2006 Chevy Silverado 1500 HD & GMC Envoy/Sierra 1500 HD & Saab 9-7x
    • 2005-2008 Pontiac Grand Prix
    • 2006-2009 Chevy Impala
    • 2006-2007 Chevy Monte Carlo
    • 2006 Chevy Trailblazer
    • 2008-2009 Buick Allure/LaCrosse & Pontiac G8

    ACDelco 131-156 Notes:

    • Verify vehicle application, position, and system configuration before installation.
  • Part TypeThermostat
    BrandACDELCO
    Package Height74
    Package Width3.2
    Package Length3.2
    Weight0.28 PG
    Part CategoryReplacement Parts
    Height Between Flanges (Mm)45.80
    Overall Height (In)2.913
    Product TypeThermostat
    Body TypeVarious - Application Specific
    Programming RequiredNo
    Seal TypeGasket
    Opening Temperature (Deg. F)187
    Sealing Flange Outside Diameter (Mm)54.00
    Sealing Flange Outside Diameter54
    Start To Open Temperature186.8
    Gaskets IncludedNo
    Jiggle Pin Weep HoleYes
    Good Maintenance Practices - Section 1 - Bullet 1Have cooling system inspected immediately if instrument panel-mounted temperature gauge indicates engine overheating
    Temperature (F)187 Degrees
    Good Maintenance Practices - Section 1 - Bullet 2Use the recommended coolant type for your vehicle
    Installation Tool IncludedNo
    Start To Open Temperature (C)86
    Features & Benefits - Bullet 2GM-recommended replacement part for your GM vehicle's original factory component
    Features & Benefits - Bullet 3Offering the quality, reliability, and durability of GM OE
    Start To Open Temperature (F)187
    Features & Benefits - Bullet 4Manufactured to GM OE specification for fit, form, and function
    Product DescriptionACDelco GM Original Equipment Engine Coolant Thermostats control the flow of coolant through your vehicle's radiator to help the engine reach and maintain its optimal operating temperature, and are GM-recommended replacements for your vehicle's original components. These original equipment engine coolant thermostats have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. &#9888;<b> WARNING:</b> Cancer and Reproductive Harm - www.P65Warnings.ca.gov
    Features &#38;#38; Benefits - Bullet 1Controls the flow of coolant through your vehicle's radiator to help the engine reach and maintain its optimal operating temperature
    Overall Height (Mm)74
    Gasket Or Seal IncludedNo
    ColorNatural
    Width (In)2.1
    MaterialStainless Steel
    TypeConventional
    Length (In)2.9
    Part FitmentDirect Fit
    Height Between Flanges45.8
    Weight (Lb)0.23
    Grade TypeOE
    Vendor Part Number131-156
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews
    Some parts are not legal for use in California or other states with similar laws / regulations
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