Shop Transmission Cooling Options for H3

Sponsored
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$56.99
LPD47391 40K Transmission Oil Cooler Kit Low Pressure Drop Trans Cooler Compatible With Heavy Duty 40,000 GVW Max Includes Mounting Hardware
Amazon.com
51
Free shipping
$56.99
LPD47391 40K Transmission Oil Cooler Kit Low Pressure Drop Trans Cooler Compatible With Heavy Duty 40,000 GVW Max Includes Mounting Hardware
Amazon.com
51
$11.88
Nakkaa STL010 Transmission Cooling System Upgrade Kit For 6L80 6L90 Compatible With Trucks 2014-Up 8L90 8L80 8L90E 10L90 2016-Up Superior Cooler Flow
Amazon.com
10
$11.88
Nakkaa STL010 Transmission Cooling System Upgrade Kit For 6L80 6L90 Compatible With Trucks 2014-Up 8L90 8L80 8L90E 10L90 2016-Up Superior Cooler Flow
Amazon.com
10
$19.56
Automatic Transmission Oil Cooler Line Connector Compatible With Hummer H3 2010 2009 2008 2007 2006 P-2428719
Amazon.com
Free shipping
$19.56
Automatic Transmission Oil Cooler Line Connector Compatible With Hummer H3 2010 2009 2008 2007 2006 P-2428719
Amazon.com
Free shipping
$137.48
$144.48
EVIL ENERGY Universal 10AN Transmission & Engine Oil Cooler Kit With Mounting Bracket, 15 Row / 340mm
ievilenergy
$137.48
$144.48
EVIL ENERGY Universal 10AN Transmission & Engine Oil Cooler Kit With Mounting Bracket, 15 Row / 340mm
ievilenergy
$85.99
Imperial Maxi-Kool XL Transmission Oil Cooler, 243012
Advance Auto Parts
$85.99
Imperial Maxi-Kool XL Transmission Oil Cooler, 243012
Advance Auto Parts
$159.95
$176.00
Mishimoto Universal 13-Row Stacked Plate Transmission Cooler, 22.85" X 7.10" X 1.25" Core MMTC-SP-13N
Mishimoto Automotive
78
$159.95
$176.00
Mishimoto Universal 13-Row Stacked Plate Transmission Cooler, 22.85" X 7.10" X 1.25" Core MMTC-SP-13N
Mishimoto Automotive
78
$490.16
2006-2010 Hummer H3 Automatic Transmission Oil Cooler Derale 06-10 Hummer Automatic Transmission Oil Cooler
Parts Geek
$490.16
2006-2010 Hummer H3 Automatic Transmission Oil Cooler Derale 06-10 Hummer Automatic Transmission Oil Cooler
Parts Geek
$119.34
Aluminum Perma-Cool Heavy-Duty Transmission Coolers - Transmission Fluid, Tube And Fin, Natural | Perma-Cool Industries 1315
Summit Racing
$119.34
Aluminum Perma-Cool Heavy-Duty Transmission Coolers - Transmission Fluid, Tube And Fin, Natural | Perma-Cool Industries 1315
Summit Racing
$110.99
For 2006-2010 Hummer H3 Outlet Automatic Trans. Oil Cooler Line - A-Premium
A-Premium
$110.99
For 2006-2010 Hummer H3 Outlet Automatic Trans. Oil Cooler Line - A-Premium
A-Premium
$80.99
Imperial Plate And Fin Style Transmission Cooler, Heavy Duty, 3/4" X 9-1/2" X 11", 243008
Advance Auto Parts
$80.99
Imperial Plate And Fin Style Transmission Cooler, Heavy Duty, 3/4" X 9-1/2" X 11", 243008
Advance Auto Parts
$68.24
Aluminum Derale Heat Sink Transmission Coolers - Transmission Fluid, Heat Sink, Natural | Derale 13250
Summit Racing
3
$68.24
Aluminum Derale Heat Sink Transmission Coolers - Transmission Fluid, Heat Sink, Natural | Derale 13250
Summit Racing
3
$383.99
Aluminum Be Cool Transmission Cooler Modules - Transmission Fluid, Tube And Fin, Black Painted | Be Cool 96301
Summit Racing
Free shipping
$383.99
Aluminum Be Cool Transmission Cooler Modules - Transmission Fluid, Tube And Fin, Black Painted | Be Cool 96301
Summit Racing
Free shipping
$71.54
$83.42
Cold Case Radiators Universal Transmission Cooler 12" Dual Pass 1997
CJ Pony Parts
14% off
$71.54
$83.42
Cold Case Radiators Universal Transmission Cooler 12" Dual Pass 1997
CJ Pony Parts
$129.99
Chevy Silverado 1500 SR Performance Universal 13-Row 40K Transmission Cooler Black (Universal Some Adaptation May Be Required) 439059
AmericanTrucks.com
2
$129.99
Chevy Silverado 1500 SR Performance Universal 13-Row 40K Transmission Cooler Black (Universal Some Adaptation May Be Required) 439059
AmericanTrucks.com
2
$129.99
SR Performance Universal 13-Row 40K Transmission Cooler Black 439059
American Muscle
2
$129.99
SR Performance Universal 13-Row 40K Transmission Cooler Black 439059
American Muscle
2
$88.95
Mishimoto Universal Transmission Fluid Cooler (Universal 15"X7.5"X0.75" (3/8" Fitting)
Blessed Performance
$88.95
Mishimoto Universal Transmission Fluid Cooler (Universal 15"X7.5"X0.75" (3/8" Fitting)
Blessed Performance
$199.95
$220.00
Mishimoto Heavy-Duty Transmission Cooler With Electric Fan MMOC-F
Mishimoto Automotive
272
$199.95
$220.00
Mishimoto Heavy-Duty Transmission Cooler With Electric Fan MMOC-F
Mishimoto Automotive
272
$571.95
$629.00
Mishimoto Transmission Cooler, Silver, Fits Dodge Ram 2500/3500 6.7L Cummins 2010-2012 MMTC-RAM-10
Mishimoto Automotive
$571.95
$629.00
Mishimoto Transmission Cooler, Silver, Fits Dodge Ram 2500/3500 6.7L Cummins 2010-2012 MMTC-RAM-10
Mishimoto Automotive
$124.99
Sierra 2500 SR Performance Universal 13-Row 40K Transmission Cooler Silver (Universal Some Adaptation May Be Required) 439058
AmericanTrucks.com
2
$124.99
Sierra 2500 SR Performance Universal 13-Row 40K Transmission Cooler Silver (Universal Some Adaptation May Be Required) 439058
AmericanTrucks.com
2
$88.95
Mishimoto Universal Transmission Fluid Cooler - 12in X 7.5in X .75in (MMTC-TF-1575)
Down East Offroad Inc.
160
$88.95
Mishimoto Universal Transmission Fluid Cooler - 12in X 7.5in X .75in (MMTC-TF-1575)
Down East Offroad Inc.
160
$586.52
Derale 15870 40 Row Hyper-Cool Extreme Remote Transmission Cooler -8AN
Pure Diesel Power
$586.52
Derale 15870 40 Row Hyper-Cool Extreme Remote Transmission Cooler -8AN
Pure Diesel Power
$124.99
SR Performance Universal 13-Row 40K Transmission Cooler Silver 439058
American Muscle
2
$124.99
SR Performance Universal 13-Row 40K Transmission Cooler Silver 439058
American Muscle
2
$350.99
Ppe Heavy-Duty Bar & Plate Transmission Cooler For 20-24 Gm 3.0L Lm2 Duramax Diesel Pick-Up
SWAGPERFORMANCEPARTS
4
$350.99
Ppe Heavy-Duty Bar & Plate Transmission Cooler For 20-24 Gm 3.0L Lm2 Duramax Diesel Pick-Up
SWAGPERFORMANCEPARTS
4
$36.21
07 2007 Hummer H3 Auto Trans Oil Cooler Hose Assembly - Inlet (Passenger Side) Dorman Auto Trans Oil Cooler Hose Assembly
Parts Geek
$36.21
07 2007 Hummer H3 Auto Trans Oil Cooler Hose Assembly - Inlet (Passenger Side) Dorman Auto Trans Oil Cooler Hose Assembly
Parts Geek
$199.95
$228.19
Mishimoto Transmission Cooler Automatic Heavy Duty Universal With Electric Fan
CJ Pony Parts
272
12% off
$199.95
$228.19
Mishimoto Transmission Cooler Automatic Heavy Duty Universal With Electric Fan
CJ Pony Parts
272
$385.99
$399.99
Automatic Transmission Fluid Cooler Universal 16 Pass -6 AN With 10" Fan
CJ Pony Parts
Free shipping
$385.99
$399.99
Automatic Transmission Fluid Cooler Universal 16 Pass -6 AN With 10" Fan
CJ Pony Parts
Free shipping
$77.95
Mishimoto Universal Transmission Fluid Cooler - 12in X 7.5in X .75in (MMTC-TF-1275)
Down East Offroad Inc.
161
$77.95
Mishimoto Universal Transmission Fluid Cooler - 12in X 7.5in X .75in (MMTC-TF-1275)
Down East Offroad Inc.
161
$90.57
Tru Cool 40K Transmission Cooler Transmission Oil Cooler Gvw Max
eBay
Free shipping
$90.57
Tru Cool 40K Transmission Cooler Transmission Oil Cooler Gvw Max
eBay
Free shipping
$259.95
Mishimoto Universal 13-Row Stacked Plate Transmission Cooler Black MMTC-SP-13BK
American Muscle
11
$259.95
Mishimoto Universal 13-Row Stacked Plate Transmission Cooler Black MMTC-SP-13BK
American Muscle
11
$387.00
Derale 15-Row Atomic Cool Plate & Fin Transmission Cooler (-8AN) | 15950
Thoroughbred Diesel
62
$387.00
Derale 15-Row Atomic Cool Plate & Fin Transmission Cooler (-8AN) | 15950
Thoroughbred Diesel
62
$382.48
Derale 13900 Performance Electra-Cool Remote Transmission Cooler 3/8" Hose Kit
Pure Diesel Power
$382.48
Derale 13900 Performance Electra-Cool Remote Transmission Cooler 3/8" Hose Kit
Pure Diesel Power
$151.99
Imperial Transmission Oil Cooler, 241015
Advance Auto Parts
$151.99
Imperial Transmission Oil Cooler, 241015
Advance Auto Parts
$112.40
Derale 13503 19 Row Series 8000 Plate & Fin Transmission Cooler Kit, 11/32"
FORTLUFT Exhaust Muffler Shop
$112.40
Derale 13503 19 Row Series 8000 Plate & Fin Transmission Cooler Kit, 11/32"
FORTLUFT Exhaust Muffler Shop
$111.17
Tru Cool 40K Transmission Cooler Transmission Oil Cooler Gvw Max
eBay
Free shipping
$111.17
Tru Cool 40K Transmission Cooler Transmission Oil Cooler Gvw Max
eBay
Free shipping
$199.99
Audi S4 B7 V8 - Mishimoto Universal Heavy Duty Transmission Cooler With Electric Fan: Upgraded Cooling For Your Transmission
ECS Tuning
272
$199.99
Audi S4 B7 V8 - Mishimoto Universal Heavy Duty Transmission Cooler With Electric Fan: Upgraded Cooling For Your Transmission
ECS Tuning
272
$159.00
1FC300 Fast Coolers Manual Transmission Cooler
Pure Diesel Power
$159.00
1FC300 Fast Coolers Manual Transmission Cooler
Pure Diesel Power
Best Transmission Coolers - Complete 2025 Buyer's Guide
Best Transmission Coolers - Complete 2025 Buyer's Guide
Jan 8, 2020
transmissioncoolerguide.com
Transmission Coolers For Drag Racing - Transmission Cooler Guide
Transmission Coolers For Drag Racing - Transmission Cooler Guide
Sep 18, 2014
transmissioncoolerguide.com
Hummer H3 Radiator Leak: Symptoms, Causes, Fix | Drivetrain Resource
Hummer H3 Radiator Leak: Symptoms, Causes, Fix | Drivetrain Resource
Jan 11, 2020
700r4transmissionhq.com
Hummer H3 AC not cooling - causes and diagnosis
Hummer H3 AC not cooling - causes and diagnosis
Apr 4, 2022
wheelsjoint.com
Add Transmission Fluid: 2008 Hummer H3 3.7L 5 Cyl.
Add Transmission Fluid: 2008 Hummer H3 3.7L 5 Cyl.
Jan 29, 2012
CarCareKioskLake Chevy
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Shop Transmission Cooling Options for H3

Sponsored
About our ads
$56.99
LPD47391 40K Transmission Oil Cooler Kit Low Pressure Drop Trans Cooler Compatible With Heavy Duty 40,000 GVW Max Includes Mounting Hardware
Amazon.com
51
Free shipping
$56.99
LPD47391 40K Transmission Oil Cooler Kit Low Pressure Drop Trans Cooler Compatible With Heavy Duty 40,000 GVW Max Includes Mounting Hardware
Amazon.com
51
$11.88
Nakkaa STL010 Transmission Cooling System Upgrade Kit For 6L80 6L90 Compatible With Trucks 2014-Up 8L90 8L80 8L90E 10L90 2016-Up Superior Cooler Flow
Amazon.com
10
$11.88
Nakkaa STL010 Transmission Cooling System Upgrade Kit For 6L80 6L90 Compatible With Trucks 2014-Up 8L90 8L80 8L90E 10L90 2016-Up Superior Cooler Flow
Amazon.com
10
$19.56
Automatic Transmission Oil Cooler Line Connector Compatible With Hummer H3 2010 2009 2008 2007 2006 P-2428719
Amazon.com
Free shipping
$19.56
Automatic Transmission Oil Cooler Line Connector Compatible With Hummer H3 2010 2009 2008 2007 2006 P-2428719
Amazon.com
Free shipping
$137.48
$144.48
EVIL ENERGY Universal 10AN Transmission & Engine Oil Cooler Kit With Mounting Bracket, 15 Row / 340mm
ievilenergy
$137.48
$144.48
EVIL ENERGY Universal 10AN Transmission & Engine Oil Cooler Kit With Mounting Bracket, 15 Row / 340mm
ievilenergy
$85.99
Imperial Maxi-Kool XL Transmission Oil Cooler, 243012
Advance Auto Parts
$85.99
Imperial Maxi-Kool XL Transmission Oil Cooler, 243012
Advance Auto Parts
$159.95
$176.00
Mishimoto Universal 13-Row Stacked Plate Transmission Cooler, 22.85" X 7.10" X 1.25" Core MMTC-SP-13N
Mishimoto Automotive
78
$159.95
$176.00
Mishimoto Universal 13-Row Stacked Plate Transmission Cooler, 22.85" X 7.10" X 1.25" Core MMTC-SP-13N
Mishimoto Automotive
78
$490.16
2006-2010 Hummer H3 Automatic Transmission Oil Cooler Derale 06-10 Hummer Automatic Transmission Oil Cooler
Parts Geek
$490.16
2006-2010 Hummer H3 Automatic Transmission Oil Cooler Derale 06-10 Hummer Automatic Transmission Oil Cooler
Parts Geek
$119.34
Aluminum Perma-Cool Heavy-Duty Transmission Coolers - Transmission Fluid, Tube And Fin, Natural | Perma-Cool Industries 1315
Summit Racing
$119.34
Aluminum Perma-Cool Heavy-Duty Transmission Coolers - Transmission Fluid, Tube And Fin, Natural | Perma-Cool Industries 1315
Summit Racing
$110.99
For 2006-2010 Hummer H3 Outlet Automatic Trans. Oil Cooler Line - A-Premium
A-Premium
$110.99
For 2006-2010 Hummer H3 Outlet Automatic Trans. Oil Cooler Line - A-Premium
A-Premium
$80.99
Imperial Plate And Fin Style Transmission Cooler, Heavy Duty, 3/4" X 9-1/2" X 11", 243008
Advance Auto Parts
$80.99
Imperial Plate And Fin Style Transmission Cooler, Heavy Duty, 3/4" X 9-1/2" X 11", 243008
Advance Auto Parts
$68.24
Aluminum Derale Heat Sink Transmission Coolers - Transmission Fluid, Heat Sink, Natural | Derale 13250
Summit Racing
3
$68.24
Aluminum Derale Heat Sink Transmission Coolers - Transmission Fluid, Heat Sink, Natural | Derale 13250
Summit Racing
3
$383.99
Aluminum Be Cool Transmission Cooler Modules - Transmission Fluid, Tube And Fin, Black Painted | Be Cool 96301
Summit Racing
Free shipping
$383.99
Aluminum Be Cool Transmission Cooler Modules - Transmission Fluid, Tube And Fin, Black Painted | Be Cool 96301
Summit Racing
Free shipping
$71.54
$83.42
Cold Case Radiators Universal Transmission Cooler 12" Dual Pass 1997
CJ Pony Parts
14% off
$71.54
$83.42
Cold Case Radiators Universal Transmission Cooler 12" Dual Pass 1997
CJ Pony Parts
$129.99
Chevy Silverado 1500 SR Performance Universal 13-Row 40K Transmission Cooler Black (Universal Some Adaptation May Be Required) 439059
AmericanTrucks.com
2
$129.99
Chevy Silverado 1500 SR Performance Universal 13-Row 40K Transmission Cooler Black (Universal Some Adaptation May Be Required) 439059
AmericanTrucks.com
2
$129.99
SR Performance Universal 13-Row 40K Transmission Cooler Black 439059
American Muscle
2
$129.99
SR Performance Universal 13-Row 40K Transmission Cooler Black 439059
American Muscle
2
$88.95
Mishimoto Universal Transmission Fluid Cooler (Universal 15"X7.5"X0.75" (3/8" Fitting)
Blessed Performance
$88.95
Mishimoto Universal Transmission Fluid Cooler (Universal 15"X7.5"X0.75" (3/8" Fitting)
Blessed Performance
$199.95
$220.00
Mishimoto Heavy-Duty Transmission Cooler With Electric Fan MMOC-F
Mishimoto Automotive
272
$199.95
$220.00
Mishimoto Heavy-Duty Transmission Cooler With Electric Fan MMOC-F
Mishimoto Automotive
272
$571.95
$629.00
Mishimoto Transmission Cooler, Silver, Fits Dodge Ram 2500/3500 6.7L Cummins 2010-2012 MMTC-RAM-10
Mishimoto Automotive
$571.95
$629.00
Mishimoto Transmission Cooler, Silver, Fits Dodge Ram 2500/3500 6.7L Cummins 2010-2012 MMTC-RAM-10
Mishimoto Automotive