Oil Cooler Kits

Oil Cooler Kits for Engine Oil Temperature Control

Turbo boost, track sessions, heavy towing, sustained high RPM and hot weather can add more heat than the factory oil system was designed to reject. Excessive oil temperature may reduce viscosity and oil film strength, limiting the lubrication needed to protect bearings, turbochargers and other loaded components. A properly installed engine oil cooler adds heat rejection capacity and supports more consistent oil temperature control during demanding driving.

This collection currently features an Evil Energy 10 row oil cooler and catch can kit. The two components perform different jobs. The stacked plate oil cooler supports fluid heat management, while the 300 ml baffled catch can helps separate oil mist and moisture from crankcase gases before they reach the intake. An external oil cooler can support long term reliability, but it will not correct low oil level, low oil pressure, a failed factory cooler or an existing engine cooling fault.

How to Choose the Right Engine Oil Cooler Size

Row count is only one part of selecting an engine oil cooler kit. Core width, height, fluid capacity, oil flow, available airflow and installation space all affect performance cooling. The current collection product offers two 10 row core formats. Larger 16 row and 19 row options are available through the related engine oil cooler collection.

Oil cooler size and application comparison
Oil Cooler Option Published Size Oil Capacity Selection Direction
Current 330 mm 10 row combo kit 12.91 x 3.94 x 1.97 inches 0.24 L Compact packaging where frontal space is limited
Current 340 mm 10 row combo kit 13.3 x 6.5 x 1.97 inches 0.55 L More frontal area and fluid capacity when additional mounting space is available
330 mm 16 row oil cooler 12.91 x 5.71 x 1.97 inches 0.39 L Consider for sustained performance use after checking temperature data and airflow
330 mm 19 row oil cooler 12.91 x 6.67 x 1.97 inches 0.45 L Consider when higher heat rejection is required and sufficient airflow and space are available

Use the smallest cooler that maintains the vehicle manufacturer or engine builder’s recommended oil temperature during the hardest normal use. A larger core is not automatically better. Without suitable thermostatic control, an oversized cooler may slow oil warmup during cold weather or normal street driving.

Verify Oil Lines, Adapters and Mounting Before Ordering

These are universal oil cooler kits intended for custom installation. Universal does not mean that every engine, automatic transmission or manual transmission can connect without additional parts.

  • Choose one fluid circuit: engine oil, automatic transmission fluid and differential oil use separate circuits and vehicle specific connection points. One cooler must not connect multiple fluid systems together.
  • Confirm the engine connection: an engine oil installation normally requires a compatible takeoff and return adapter, sandwich plate or dedicated engine adapter. Confirm whether a thermostatic sandwich plate is required and whether it is included.
  • Separate the thread specifications: the M16×1.5 adapters supplied with the bundle belong to the catch can PCV connections. They do not identify the engine oil filter thread or replace the engine oil adapter.
  • Measure the oil lines: the cooler hoses are listed as 3.3 ft and 3.9 ft. Confirm that they reach without contacting the exhaust, sharp edges, steering or suspension. Do not cut an assembled hose until the hose end type and reassembly procedure are verified.
  • Plan the mounting position: place the cooler in clean airflow with a clear hot air exit path and isolate it from vibration. An oil cooler mounting bracket may be required. Low speed towing and off road use may also require fan assisted airflow.
  • Check the PCV configuration: the catch can version without a breather filter is intended for a sealed PCV layout. Select the breather filter version only when the crankcase system is designed for a vented configuration.
  • Commission the system correctly: account for the added oil capacity, establish oil pressure, check the final fluid level and inspect every connection immediately and again after the first complete heat cycle.

For transmission specific builds, compare dedicated transmission oil coolers and matching oil cooler hoses. To understand the second part of this combination kit, read the oil catch can guide.

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EVIL ENERGY PTFE Hose End Fitting for PTFE Hose Only (3/4/6/8/10/12AN) - Black - EVILENERGY[Straight,1PC]
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[Black,Without Bracket] black inline evil energy fuel filter with directional arrow and multiple AN fuel line fittingsevil energy fuel filter kit with stainless steel inline fuel filter, AN fittings, and mounting hardware
EVIL ENERGY Inline Fuel Filter with 6AN 8AN 10AN Adapter and Bracket Universal 10/30/40/100 Micron - Black

[Application] Universal fuel filter, includes an6, an8, an10 adapters for different size applications. With mounting bracket keeps the engine bar stylish and clean.

  • [Material] Aluminum alloy fuel filter can and stainless steel filter element.
  • [O-ring] The o-ring provides a tight seal for fittings and end caps.
  • [Function] Can be used for filtering gasoline, diesel, etc. Captures contaminant particles of 10 micron and above to protect the fuel system of the vehicle.
  • [Feature] Removable design, easy to clean or replace filter element at regular time.
  • [Installation Tips] We have debugged the installation direction of the fuel filters before delivery. Please check and ensure the closed end of the filter element docks with the spring. Let the liquid flow following the arrow from the spring end to the other end, and the fuel filter will serve longer.
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[20FT] EVIL ENERGY PTFE Fuel Line Kit, complete black hose & fittings set, 180-day return[16FT] EVIL ENERGY PTFE Fuel Line Kit, black braided hose, fittings, free shipping & return
EVIL ENERGY 4/6/8/10AN PTFE Fuel Line Kit | E85 Nylon Braided Hose | 16/20FT Black Black with Comprehensive Fittings

Three-Layer Construction: Our fuel lines are constructed with a triple-layer material for unparalleled performance and protection. The innermost layer is made of PTFE for maximum chemical resistance, a braided stainless steel layer for strength and durability, and an outer nylon layer for added abrasion resistance and protection.

Multiple Sizes: We offer our fuel lines in 4AN, 6AN, 8AN, and 10AN sizes, catering to the diverse needs of various fuel delivery systems.

Fitting Types: Our kit includes a variety of fittings at 0°, 90°, 45°, and 180° angles, ensuring versatility and flexibility during installation, allowing for custom routing in tight or complex spaces.

Precision Fit and Leak-Free Performance: The combination of the PTFE inner layer and the high-quality aluminum hose ends ensures a precision fit and leak-free connection, even under extreme pressure, providing a safe and reliable fuel system.

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EVIL ENERGY AN Flare to AN ORB Male Fuel Rail Adapter Fitting
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  • [330mm,With Breather Filter][330mm,Without Breather Filter]
    10 ROW Oil Cooler Universal Engine Transmission & 300ml AN10 Oil Catch Can Kits

    Core Dual-Protection Performance

    • 300ML baffled oil catch can: Removable baffle + steel ball filter media traps oil vapor/moisture, preventing carbon buildup.
    • 10ROW stacked-plate oil cooler: 0.24L capacity, 116PSI test pressure, rapidly lowers oil temp (engine/transmission/differential) to avoid thermal breakdown.
    • Combined advantage: One kit delivers both vapor filtration and oil cooling—dual engine protection in a single package.

    Durable Premium Construction

    • Oil catch can: Black anodized aluminum (corrosion-resistant, heat-tolerant); oil cooler: lightweight aluminum alloy (high heat dissipation).
    • Hoses: Nylon-braided CPE (500PSI working pressure, -40℉~257℉ temp range) + steel-reinforced fuel line (abrasion/wear-resistant).
    • Sealed/vent-compatible design (varies by variant) adapts to extreme driving/weather conditions.

    Universal Compatibility & Easy Installation

    • Universal fit: Works with most cars/trucks/performance vehicles; includes M16×1.5 to AN6/8/10 adapters for PCV systems.
    • Complete kit: All necessary hoses, fittings, mounting bracket, and instructions included—DIY-friendly, no extra purchases needed.
    • Flexible routing: 2-port oil catch can + 3.3FT/3.9FT cooler hoses adapt to different engine bay layouts.

    Value & Application

    • Cost-effective: Combines two essential engine protections (vapor filtration + oil cooling) at better value than separate purchases.
    • Ideal for: Daily drivers, performance builds, high-RPM racing, heavy towing, and hot-climate use.
    • Key advantage: Balances compact size, durability, and versatility—protects engine lifespan and maintains consistent performance.
    $153.99
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FAQs about Oil Cooler Kits

What are the benefits of installing an external engine oil cooler on a turbo, towing or diesel vehicle?

An external engine oil cooler adds heat rejection capacity when turbo boost, towing, track driving, sustained high RPM or hot weather pushes oil temperature beyond the recommended operating range. Better oil temperature control helps the oil retain the viscosity and film strength required for lubrication.

On a diesel or towing vehicle, the benefit is most noticeable under sustained load. However, a universal cooler does not replace a failed factory oil cooler or correct low oil pressure, restricted coolant flow or another existing fault. Confirm actual oil temperature before choosing an upgrade.

Choose an oil cooler kit by measured oil temperature, available airflow, core dimensions, fluid capacity and installation space rather than row count alone. A 10 row cooler is generally easier to package. A 16 row core provides more frontal area within the related 330 mm product family, while a 19 row core provides still more surface area for higher sustained heat loads.

The current Evil Energy combination kit only includes 10 row cooler options. Larger cores are sold through the separate engine oil cooler range. Use thermostatic control when needed to prevent slow warmup or overcooling.

Mount the engine oil cooler where air can pass through the full core and hot air can exit behind it. Secure the cooler with a rigid bracket while isolating it from excessive vibration. Do not allow the oil lines to support the cooler’s weight. Route hoses away from exhaust heat, sharp edges, belts, fans, steering and suspension movement. Avoid tight bends and support long hose sections. For towing, off road driving or other low speed use, fan assisted airflow may be more effective than mounting a larger core in a location with little natural airflow.

The cooler core may be used with compatible engine oil, automatic transmission fluid or differential oil, but each application requires a separate fluid circuit and the correct adapters. An automatic transmission may have existing cooler supply and return lines that can be adapted. Many manual transmissions do not have a pumped external cooler circuit, so a cooler core alone is not a direct fit and a custom pump, pickup, return and control system may be required. Using the product as an engine oil cooler is independent of whether the vehicle has an automatic or manual transmission.

The current Evil Energy combination kit lists two CPE cooler hoses measuring 3.3 ft and 3.9 ft. The catch can side includes a 5 ft hose and M16×1.5 to AN6, AN8 or AN10 adapters. Those M16×1.5 adapters are for the catch can PCV ports, not the engine oil circuit.

A vehicle specific oil takeoff and return adapter, thermostatic sandwich plate, additional fittings or an oil cooler mounting bracket may still be required. Confirm the actual cooler port, engine adapter thread, hose end size and bracket contents before ordering.

Do not cut an assembled hose unless its reusable hose end design and assembly procedure have been verified.

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