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Mishimoto Chevrolet/GMC LSX Racing Thermostat - Mishimoto MMTS-VET-97L
Mishimoto Chevrolet/GMC LSX Racing Thermostat - Mishimoto MMTS-VET-97L
Mishimoto Chevrolet/GMC LSX Racing Thermostat - Mishimoto MMTS-VET-97L
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Mishimoto Chevrolet/GMC LSX Racing Thermostat

Mishimoto
MISMMTS-VET-97L
748666007550
Thermostats
22 Units In Stock
$ 76.00 $ 68.95
$ 68.95

1997-2009 The Mishimoto Chevrolet/GMC LSX Racing Thermostat delivers enhanced cooling for LS-powered vehicles including Corvettes, Camaros, Silverados, Avalanches, and Escalades from 1997 to 2009. Engineered with a 160°F opening temperature, it promotes quicker coolant flow to maintain lower operating temperatures during track days or heavy towing.

Key Features

  • 160°F Opening Temperature: Allows coolant circulation at lower temps than stock 195°F units to prevent overheating and protect LS engines under high-load conditions.
  • Complete Replacement Kit: Includes high-flow thermostat, O-ring gasket, and stainless steel mounting hardware for seamless installation without additional parts.
  • Direct Bolt-On Design: Matches OEM specifications for LS1, LS6, and later LSX engines across GM trucks, SUVs, and performance cars.
  • CNC-Machined Billet Aluminum Housing: Precision-crafted from durable 6061 aluminum with hard black anodized finish for superior corrosion resistance and heat dissipation.
  • Uses stock mounting points. torque bolts to 106 in-lb.
  • Direct-fit parts tested on real vehicles for reliability.

Fitment

Years Make Model Application Notes
2008-2009 Buick LaCrosse Super
2004-2006 Buick Rainier CXL, CXL Plus
2004-2007 Cadillac CTS V
2004-2006 Cadillac Escalade Base
2004-2006 Cadillac Escalade ESV Base
2004-2006 Cadillac Escalade EXT Base
2004-2006 Chevrolet Avalanche 1500 Base, LS, LT, Z66, Z71
2004-2006 Chevrolet Avalanche 2500 Base, LS, LT
2004-2008 Chevrolet Corvette 427 Limited Edition Z06, Base, Z06
2004-2006 Chevrolet Express 1500 Base, LS, LT
2004-2007 Chevrolet Express 2500 Base, LS, LT
2004-2007 Chevrolet Express 3500 Base, LS, LT
2006-2009 Chevrolet Impala SS
2006-2007 Chevrolet Monte Carlo SS
2003-2006 Chevrolet Silverado 1500 Base, Hybrid, LS, LT, SS, WT, Z71 Off-Road
2005-2006 Chevrolet Silverado 1500 HD Base, LS, LT
2004 Chevrolet Silverado 2500 Base, LS, LT, WT
2004-2006 Chevrolet Silverado 2500 HD Base, LS, LT, WT
2004-2006 Chevrolet Silverado 3500 Base, LS, LT, WT
2003-2006 Chevrolet SSR Base
2004-2006 Chevrolet Suburban 1500 Base, LS, LT, LTZ, Z71
2004-2006 Chevrolet Suburban 2500 LS, LT
2004-2006 Chevrolet Tahoe Base, LS, LT, Z71
2006-2008 Chevrolet Trailblazer Base, LS, LT, SS
2003-2006 Chevrolet Trailblazer EXT LS, LT, North Face
2005-2009 GMC Envoy Denali
2003-2006 GMC Envoy XL Denali, SLE, SLT
2004-2005 GMC Envoy XUV SLE, SLT
2004-2006 GMC Savana 1500 Base, LS, LT, SLE
2004-2007 GMC Savana 2500 Base, LS, LT, SLE
2004-2007 GMC Savana 3500 Base, LS, LT, SLE
2004-2006 GMC Sierra 1500 Base, Denali, Hybrid, SL, SLE, SLT, WT
2005-2006 GMC Sierra 1500 HD SLE, SLT
2004 GMC Sierra 2500 Base, SLE, SLT, WT
2004-2006 GMC Sierra 2500 HD Base, SL, SLE, SLT, WT
2004-2006 GMC Sierra 3500 Base, SL, SLE, SLT, WT
2004-2006 GMC Yukon Denali, SL, SLE, SLT
2004-2006 GMC Yukon XL 1500 Denali, SL, SLE, SLT
2004-2006 GMC Yukon XL 2500 SLE, SLT
2004-2006 Hummer H2 Base
2008-2009 Pontiac G8 Base, GT, GXP
2005-2008 Pontiac Grand Prix GXP
2004-2006 Pontiac GTO Base

Specifications

Brand Mishimoto
Manufacturer Part Number MMTS-VET-97L
Product Type Thermostats
Fitment Type Vehicle Specific
GTIN 748666007550
Condition New

What's Included

One new Mishimoto thermostats identified by manufacturer part number MMTS-VET-97L. Hardware, adapters, hoses, clamps, fluids, wiring, tools, and companion parts are included only when expressly supplied for this exact part number.

About Mishimoto

Mishimoto develops automotive cooling, intake, oil-management, exhaust, drivetrain, and vehicle-accessory products. Fitment, dimensions, interfaces, and included components remain exact-part-number specific.

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Frequently Asked Questions

Will this Mishimoto product fit my 2008-2009 Buick LaCrosse?
That vehicle range is listed, but confirm the engine, body configuration, production date, factory interfaces, and every current Mishimoto application note for this exact part number.

What connections and clearances should I verify?
Confirm every hose size, fitting, mounting point, fan or shroud clearance, sensor provision, fluid path, and surrounding component before installation.

Does the cooling system need to be serviced after installation?
Follow the vehicle and Mishimoto procedures for the exact product. Refill with the correct fluid, bleed trapped air, inspect for leaks, and recheck the level after heat cycling.

Installation Instructions

Follow the current Mishimoto instructions and vehicle service information for part number MMTS-VET-97L. Verify every interface and clearance, work on a cool and safely supported vehicle, use the specified fluids, fasteners, seals, and torque procedures, inspect for leaks or contact, and recheck the installation after the first heat cycle.

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