6L, 8L & 10L Automatic Transmission Cooler Adapter with Thermostat

From $199.00

To $234.80

Part #
TGM-100

Free shipping on USA orders over $49

  • Built-in thermostat reduces wear, improves horsepower, and eliminates rough shifting by preventing fluid temperatures from dropping below optimal levels
  • 100% bolt-on for 6L, 8L, and 10L series General Motors automatic transmissions
  • Two thermostat temperatures to choose from: 140ºF and 160ºF
  • -6AN female O-ring boss ports for connection flexibility; choose any line size and type you want
  • Lifetime Warranty. Made in the USA.

Improved Racing Warranty Badge

Part # TGM-100
Customize 6L, 8L & 10L Automatic Transmission Cooler Adapter with Thermostat
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6L, 8L & 10L Transmission Cooler Adapter with Thermostat
6L, 8L & 10L Automatic Transmission Cooler Adapter with Thermostat

In stock

Free shipping on USA orders over $49

$199.00

Summary

    Improved Racing is proud to announce the first direct bolt-on, thermostatic transmission fluid cooler adapter for GM's 6L, 8L, and 10L automatic transmissions.

    The adapter's built-in thermostat automatically bypasses the transmission cooler until the fluid reaches operating temperature. This eliminates rough shifts caused by overcooling the transmission, reduces wear, and improves horsepower and longevity. You can now get your transmission up to temp quickly and still have all of the cooling capacity you need for high load activities such as towing or racing. It's the best of both worlds!

    The adapter features standard female -6AN O-ring boss ports that accept optional male adapter fittings for 5/16", 3/8", 1/2" hose barbs or male AN fittings. This allows you to run common rubber transmission cooler lines or braided AN lines.

    Features and Benefits

    • 100% bolt-on for 6L, 8L, and 10L series General Motors automatic transmissions
    • Built-in thermostat reduces wear, improves horsepower, and eliminates rough shifting by preventing fluid temperatures from dropping below optimal levels
    • Rebuildable: Rebuild kits available, or send it back to us for a rebuild under warranty
    • -6AN female O-ring boss ports for connection flexibility; choose any line size and type you want
    • 6061-T6 billet aluminum construction with black MIL-A-8625 Type II anodized finish
    • Uses the factory GM transmission cooler adapter gasket
    • Lifetime Warranty
    • Made in the USA


    Optional hose barb and male AN adapter fittings available

    Temperature Rating Specifications

    Part Number Typ. Stabilization Temp Activation Temp Full Flow Temp
    TGM-100-T1 145ºF (63ºC) 140ºF (60ºC) 163ºF (73ºC)
    TGM-100-T2 165ºF (74ºC) 160ºF (71ºC) 181ºF (83ºC)

    Includes

    • 1x TGM-100 transmission cooler adapter block with built-in thermostat
    • 1x Transmission cooler adapter gasket, GM Part # 23135703
    • 1x Zinc-plated steel mounting screws
    • Installation instructions

    Applications

    • Fits most General Motors 6L, 8L, and 10L series automatic transmissions, including:
      • All 45, 50, 60, 70, 80, 90 variants, and aftermarket performance versions
      • Fits both E and non-E transmission variants
    • Applications include:
      • 6L45
      • 6L50
      • 6L80 / 6L80-E
      • 6L90 / 6L90-E
      • 8L45 / 8L45-E
      • 8L90 / 8L90-E
      • 10L80 / 10L80-E
      • 10L90 / 10L90-E
    • Note: Has not been verified to fit Allison 10L1000 transmissions (RPO code MGM & MGU)

     

    Specifications
    Drop Ship Item
    No
    Special Order Item
    No
    Manufacturer
    Improved Racing
    Part Weight
    15.6 oz (443 g)
    Primary Material
    6061-T6 aluminum
    Finish
    Type II Anodized
    Color
    Black
    Minimum Operating Temperature
    -40°F (-40°C)
    Maximum Operating Temperature
    302°F (150°C)
    Inlet Port Size
    -6AN O-Ring Boss Female
    Outlet Port Size
    -6AN O-Ring Boss Female
    Maximum Operating Pressure
    300 psi (20.68 bar)
    Max Recommended Flow Rate
    Up to 5 GPM (19 LPM)
    Fluid Compatibility
    Gear oil
    Transmission fluid
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