Oil Cooler Adapters

Select your vehicle to see Oil Cooler Adapters that fit

Oil Cooler Adapters: the plumbing junction between your block and your cooler

An oil cooler adapter is the take-off point that routes engine oil out to a remote cooler and back. Most bolt in as a sandwich plate between the block and the oil filter, tapping into the oil galleries there so you can run hose to a cooler core without cutting into hard lines. Thermostatic versions hold the oil in the block until it reaches operating temperature, then open to the cooler, so the engine warms up normally and the cooler only works when it needs to. A non-thermostatic plate flows all the time. If you track a car, tow, or otherwise push oil temps, an oil cooler adapter is the clean way to plumb the cooler in.

What ThreePiece stocks

This category currently shows 7 products from 3 brands: Mishimoto, Vibrant and GReddy — sorry, that link is the oil filters page, the brands here are Mishimoto (3), Vibrant (2) and GReddy (2). Prices run from $42 to $225, which is the current in-stock range, not a standing offer. At the affordable end, the Mishimoto Stainless Steel Sandwich Plate Adapter (3/4in-16UNF) is a straightforward non-thermostatic plate. The Vibrant Thermostatic Sandwich Adapter with Spacer (17060) sits at the top of the range, with a with-thermostat version in the Vibrant 17065. For a vehicle-specific fit, the Mishimoto Non-Thermostatic Plate and Adapter is built for the FR-S/BR-Z/GT86 platform.

How to choose

The first decision is thermostatic or not. A thermostatic unit like the Vibrant 17065 costs more but protects cold-start oil temps and stops the cooler over-cooling in mild weather. A plain plate such as the Mishimoto MMSPA-3416 is cheaper and simpler if you only need to add capacity. The second decision is universal versus platform-specific. GReddy block assemblies like the Universal Type-I O/C Block Assembly (3/4x16UNF) and the Type-B Thread AN10 adapter give you AN plumbing flexibility, while the Mishimoto BR-Z plate takes the guesswork out for that chassis. Match the center thread and the filter housing on your engine before you buy.

What else you need with it

An adapter is only half a cooler setup. You'll need hose and fittings to run the lines, and the GReddy AN10 adapter in particular is built around AN plumbing. Browse general adapters if you need additional threaded pieces, and grab an oil filter that clears the new plate. If you're addressing engine temps more broadly, look at radiators too. The full Engine Components section covers the supporting parts around a build.

Fitment and ordering

These products don't carry per-vehicle fitment data in our listing, so confirm your filter thread and housing before ordering. Call our team at 813-535-5801 or reach us through contact us for help. Every order ships with free shipping, and Affirm financing is available at checkout.

Oil Cooler Adapters: the plumbing junction between your block and your cooler

An oil cooler adapter is the take-off point that routes engine oil out to a remote cooler and back. Most bolt in as a sandwich plate between the block and the oil filter, tapping into the oil galleries there so you can run hose to a cooler core without cutting into hard lines. Thermostatic versions hold the oil in the block until it reaches operating temperature, then open to the cooler, so the engine warms up normally and the cooler only works when it needs to. A non-thermostatic plate flows all the time. If you track a car, tow, or otherwise push oil temps, an oil cooler adapter is the clean way to plumb the cooler in.

What ThreePiece stocks

This category currently shows 7 products from 3 brands: Mishimoto, Vibrant and GReddy — sorry, that link is the oil filters page, the brands here are Mishimoto (3), Vibrant (2) and GReddy (2). Prices run from $42 to $225, which is the current in-stock range, not a standing offer. At the affordable end, the Mishimoto Stainless Steel Sandwich Plate Adapter (3/4in-16UNF) is a straightforward non-thermostatic plate. The Vibrant Thermostatic Sandwich Adapter with Spacer (17060) sits at the top of the range, with a with-thermostat version in the Vibrant 17065. For a vehicle-specific fit, the Mishimoto Non-Thermostatic Plate and Adapter is built for the FR-S/BR-Z/GT86 platform.

How to choose

The first decision is thermostatic or not. A thermostatic unit like the Vibrant 17065 costs more but protects cold-start oil temps and stops the cooler over-cooling in mild weather. A plain plate such as the Mishimoto MMSPA-3416 is cheaper and simpler if you only need to add capacity. The second decision is universal versus platform-specific. GReddy block assemblies like the Universal Type-I O/C Block Assembly (3/4x16UNF) and the Type-B Thread AN10 adapter give you AN plumbing flexibility, while the Mishimoto BR-Z plate takes the guesswork out for that chassis. Match the center thread and the filter housing on your engine before you buy.

What else you need with it

An adapter is only half a cooler setup. You'll need hose and fittings to run the lines, and the GReddy AN10 adapter in particular is built around AN plumbing. Browse general adapters if you need additional threaded pieces, and grab an oil filter that clears the new plate. If you're addressing engine temps more broadly, look at radiators too. The full Engine Components section covers the supporting parts around a build.

Fitment and ordering

These products don't carry per-vehicle fitment data in our listing, so confirm your filter thread and housing before ordering. Call our team at 813-535-5801 or reach us through contact us for help. Every order ships with free shipping, and Affirm financing is available at checkout.