Best Towing Hitch Engine Oil Coolers & Kits (2026 Guide)
We ranked products by aggregated average customer rating and review volume, prioritizing durable materials (aluminum), cooling design (pass count and tube-and-fin style), and common fitment features for towing applications
This roundup covers towing hitch–friendly engine and transmission oil coolers and kits, focusing on universal-fit tube-and-fin units, aluminum housings with sensor ports, and in-line filter upgrades suited for towing and heavy-load use. Selections are based on aggregated customer ratings and review volume, with attention to construction (aluminum), pass count (6–8), and common fitment features for towing applications
Top Picks
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1
Universal 5/16" Transmission Oil Cooler Kit (Aluminium) 6 Pass
Aluminium 6-pass transmission oil cooler kit for cooling transmission oil, engine oil, and rear differentials. Improves heat transfer with high-efficiency tube design; customers report easy installation and noticeable temperature drop
- 6-pass aluminium construction
- targets multiple oil circuits
- notable temperature reduction capability
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2
Universal 5/16" Transmission Oil Cooler Kit (Aluminium) 8 Pass
Aluminium oil cooler kit designed to cool transmission oil, engine oil, and rear differentials. Helps maintain optimal operating temperature with high-efficiency tube design; customers report easy installation and noticeable cooling gains
- 8 pass tube and fin design
- transmission, engine oil and rear-differentials cooling
- potentially reduces oil temperature
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3
Upgraded aluminum oil filter housing kit with oil cooler sensors
Aluminum oil filter housing kit with sensors and gaskets for 2011-2016 Chrysler/Dodge vehicles. Improves durability over plastic OEM housing and includes pre-installed filter in some setups. Customers note easy installation and reliable seals, with some durability concerns
- aluminum housing vs plastic OEM
- sensor-equipped design
- comprehensive gasket set
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4
EVIL ENERGY 5/16 transmission oil cooler, 6-pass tube & fin kit
Universal 5/16" transmission cooler kit with aluminum cooler, CPE hoses, and tube-and-fin design. Easy installation in area with good airflow. One customer notes complete kit and easy temperature monitoring
- 6-pass tube-and-fin cooler
- universal 5/16" line compatibility
- complete installation kit
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5
1/2" Transmission Cooler Kit with Aluminium Alloy Tubes
Aluminium alloy transmission cooler with 1/2" ID lines, 145psi working pressure, high-temperature tolerance. Helps cool ATF as air flows over fins; easy installation in airflow areas. Customers note temperature drop and straightforward setup
- High pressure tolerance
- Universal 1/2" ID compatibility
- Effective ATF cooling via tube-and-fin design
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6
BARTOO 1/2" Transmission Oil Cooler Kit (Aluminium)
Universal 1/2" transmission oil cooler kit with aluminium tube-and-fin design for ATF cooling. Improves temperature control and airflow through fins; easy to install per user feedback
- aluminium alloy construction
- universal 1/2" transmission cooler lines
- tube-and-fin cooling design
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7
Aluminum engine oil filter housing kit with gaskets & sensors for 3.6L
Aluminum oil filter housing kit with gaskets and sensors compatible with multiple 3.6L vehicles. Easy installation with pre-installed O-rings. Includes durable construction and functional design for oil cooling
- pre-installed O-rings
- includes sensors
- compatible with multiple 3.6L vehicles
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8
Upgraded aluminum oil filter housing with oil cooler sensors
Aluminum oil filter housing with integrated oil cooler sensors and gaskets. Provides durable construction and easy installation; customers note good fit and no leaks, though durability varies by user
- aluminum build
- sensor-equipped
- easy installation
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9
Aluminum Engine Oil Filter Housing with Sensors & Gaskets Kit
Aluminum oil filter housing kit with oil cooler sensors and gaskets for select 2011-2016 Chrysler/Dodge/Jeep models. Upgraded replacement reducing leaks and debris ingress; easy installation. Customers note easy fit and pre-installed filter on some units
- aluminum construction
- sensor integration
- gasket and seal kit included
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10
Upgraded aluminum oil filter housing with sensors, gaskets
Aluminum oil filter housing with oil cooler sensors and gaskets for 2017-2018 Chrysler/Dodge/Jeep/Ram V6 models. Includes oil filter, sensors, bolts, and seals for a complete install. Customers note sturdy construction, good fit, and ease of installation
- Aluminum oil housing
- Includes pressure and temperature sensors
- Full hardware kit with gaskets