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You can extend the life of your transmission and reduce the risk of costly repair bills with Tru-Cool LPD transmission oil coolers. By maintaining lower operating temperatures, you can significantly extend the life of both your transmission and the lubrication that keeps everything running smoothly.

Drive hard. Rest easy. Get the OE advantage that comes from a Tru-Cool LPD transmission oil cooler, as well as the proven cooling that can help you protect the life of your vehicle.

  • 30% more cooling and 15 times less flow restriction than traditional tube & fin design
  • Self-regulating for maximum cooling and running protection
  • Available in stacked plate or fin and plate designs
  • Available in 13 sizes

To learn more about the features and benefits of Tru-Cool LPD transmission oil coolers talk to your representative today.

Title # of Plates Cooler Size (in.) GVW Rat. Vehicle Type BTU Rat. Fitting Size (in.) Images
LPD4451 18 4 x 11 x 3/4 11.500 7.500 11/32 hose barb Front
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LPD4452 27 5 3/4 x 11 x 3/4 14.500 9.800 11/32 hose barb Front
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LPD4454 36 7 1/4 x 11 x 3/4 18.000 13.000 11/32 hose barb -
LPD4490 60 12 x 11 x 3/4 22.000 20.000 11/32 hose barb Front
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LPD4588 24 5 3/4 x 11 x 1 1/2 19.000 14.400 11/32 hose barb Front
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LPD4589 36 8 x 11 x 1 1/2 24.000 21.000 11/32 hose barb Front
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LPD4590 48 11 x 11 x 1 1/2 28.000 24.000 11/32 hose barb Front
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LPD4541 12 3 3/4 x 11 x 3/4 14.000 9.000 3/8 hose barb Front
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LPD4542 17 5 1/2 x 11 x 3/4 16.000 12.000 3/8 hose barb Front
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LPD4543 23 7 1/4 x 11 x 3/4 20.000 15.000 3/8 hose barb Front
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LPD4544 30 9 1/2 x 11 x 3/4 22.000 20.000 3/8 hose barb Front
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LPD4707 23 8 1/4 x 11 x 3/4 20.000 16.000 5/16 inverted flare Front
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LPD4711 23 8 1/4 x 11 x 3/4 20.000 16.000 3/8 inverted flare* Front
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B7B 12 2 3/4 x 11 x 1 1/2 - Small engines applications 7.500 1/2 NPT Front
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L7B 24 5 3/4 x 11 x 1 1/2 - Heavy duty V6 cars, Medium duty V8 cars, Compact pickups, Minivans 15.000 1/2 NPT Front
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M7B 36 8 x 11 x 1 1/2 - Heavy duty V8 cars, Full size pickups, Vans, High performance applications 20.500 1/2 NPT Front
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H7B 48 11 x 11 x 1 1/2 - High performance applications, Recreational vehicles, Industrial applications 29.200 1/2 NPT Front
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TRU 4269P34 – Universal Kit


[ Kit includes L7B Cooler and hardware ]

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TRU 4269P35 – Universal Kit


[ Kit includes M7B Cooler and hardware ]

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Tru-Cool Brochure



Transmission & Engine Coolers