Best Towing Hitch Engine Oil Coolers & Kits Under $100 (2026)
We ranked products by value score using construction material, cooling design (pass count/core type), fitment specificity (universal vs vehicle-specific), included hardware/sensors, and price under $100
The Verdict
- Best Overall: Universal 5/16" Transmission Oil Cooler Kit (Aluminium) 6 Pass — universal cooler: aluminum 6-pass tube-and-fin design for improved transmission temperature control during towing
- Best Value: Universal 5/16" Transmission Oil Cooler Kit (Aluminium) 8 Pass — Best for added cooling capacity: aluminum 8-pass universal transmission cooler for heavier towing heat management
Top Picks
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1
Best Overall Universal 5/16" Transmission Oil Cooler Kit (Aluminium) 6 Pass
universal cooler: aluminum 6-pass tube-and-fin design for improved transmission temperature control during towing
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
Best Value Universal 5/16" Transmission Oil Cooler Kit (Aluminium) 8 Pass
Best for added cooling capacity: aluminum 8-pass universal transmission cooler for heavier towing heat management
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
Best sensor-ready housing: upgraded aluminum oil filter housing with integrated sensor ports for Chrysler/Dodge 2011–2016 installs
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
Best universal tube-and-fin option: 6-pass aluminum transmission cooler aimed at towing and general cooling upgrades
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
BARTOO 1/2" Transmission Oil Cooler Kit (Aluminium)
Best larger-line cooler: 1/2" aluminum transmission kit that supports higher flow for heavier-duty applications
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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6
1/2" Transmission Cooler Kit with Aluminium Alloy Tubes
Best 1/2" alloy tube option: aluminum alloy tubes and tube-and-fin core for robust heat dissipation on heavier loads
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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7
Aluminum engine oil filter housing kit with gaskets & sensors for 3.6L
Best engine-specific housing: aluminum oil filter housing with gaskets and sensor provisions for compatible 3.6L engines
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
Best upgraded housing for Dodge: aluminum oil filter housing with sensor-ready ports and replacement gaskets for targeted installs
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
Best comprehensive kit: aluminum engine oil filter housing with sensors and gaskets designed for 3.6L engine compatibility
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
Best V6-compatible housing: upgraded aluminum oil filter housing with sensors and gaskets for 3.6L V6 installations
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