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<h1>The Ultimate Guide to Replacing Your Toyota 2H Engine Oil Cooler Housing</h1>
<p>If you own a classic Toyota Land Cruiser with the 2H or 12H-T engine, you're likely familiar with some of the common issues that arise after years of rugged service. One of the most overlooked — yet critical — components is the <strong>engine oil cooler housing</strong>, also known as the <strong>side engine cover</strong>.</p>
<img src="https://i.postimg.cc/WpdWNgCB/precision-fit-toyota-2h-cover.jpg" alt="Precision-fit oil cooler housing for Toyota 2H engine">
<h2>Common Issues with the 2H Oil Cooler Housing</h2>
<p>The original oil cooler housing is made of cast aluminum and often subjected to heat cycling, corrosion, and improper repairs. Here are common signs of failure:</p>
<ul>
<li>Oil leaks from welded or cracked seams</li>
<li>Loss of oil pressure due to internal fractures</li>
<li>Coolant-oil cross contamination</li>
<li>Warping from excessive heat</li>
</ul>
<h2>What Causes the Damage?</h2>
<p>Heat and pressure variations, old gaskets, and incorrect installation are the main contributors. The factory units are hard to find and are often replaced with poor quality used parts — many of them <strong>repaired with welds</strong>, which usually don't hold under pressure.</p>
<h2>Why a New Cover is the Best Solution</h2>
<p>Rather than patching a fatigued or leaking unit, it’s safer and more efficient to install a new housing that guarantees a leak-free operation.</p>
<img src="https://i.postimg.cc/Jhhtwr0Q/genuine-fit-engine-cover-toyota-axioma.jpg" alt="Genuine Fit Housing by AxiomaAutoparts">
<h2>Compatible Engines: 2H and 12H-T</h2>
<p>Thanks to their shared block and mounting system, the same oil cooler housing fits both the:</p>
<ul>
<li>Toyota 2H (4.0L inline-6 diesel)</li>
<li>Toyota 12H-T (4.0L inline-6 turbo diesel)</li>
</ul>
<img src="https://i.postimg.cc/2yLBszHt/toyota-land-cruiser-2h-side-engine-cover.jpg" alt="Side engine view of Toyota 2H with new housing">
<h2>Technical Specifications for 12H-T Compatibility</h2>
<ul>
<li>Engine Code: 12H-T</li>
<li>Displacement: 4.0L (3980cc)</li>
<li>Turbocharged: Toyota CT26</li>
<li>Common Application: Toyota Land Cruiser HJ61 (1985–1990)</li>
</ul>
<h2>OEM & Reference Part Numbers</h2>
<table border="1" cellpadding="8" cellspacing="0">
<tr>
<th>OEM Number</th>
<th>Description</th>
</tr>
<tr>
<td>15720-68010</td>
<td>Original Toyota Oil Cooler Housing for 2H Engine</td>
</tr>
<tr>
<td>15720-68011</td>
<td>Revised version compatible with 2H and 12H-T</td>
</tr>
<tr>
<td>Ref# AXP-2H-AL01</td>
<td>AxiomaAutoparts Aluminum Leak-Tested Version</td>
</tr>
</table>
<h2>Why Choose AxiomaAutoparts?</h2>
<ul>
<li>✔ 100% brand-new cast aluminum</li>
<li>✔ Leak-tested before shipping</li>
<li>✔ One-piece solid design (no welds)</li>
<li>✔ Engineered for perfect fitment</li>
<li>✔ Shipped from USA with <strong>free domestic delivery</strong></li>
</ul>
<img src="https://i.postimg.cc/mD5HpcSM/leak-tested-2h-side-engine-cover.jpg" alt="Leak tested engine cover from AxiomaAutoparts">
<h2>Where to Buy</h2>
<p>You can purchase this part securely through our official eBay store:</p>
<p><a href="https://ebay.us/m/Cj9dX6" target="_blank">Toyota 2H Engine Oil Cooler Housing by AxiomaAutoparts</a></p>
<h2>Installation Tips</h2>
<ol>
<li>Clean all old gasket material from block surfaces</li>
<li>Use a high-temp gasket maker sparingly</li>
<li>Torque bolts according to Toyota service manual</li>
<li>Test for leaks before reassembling the front accessories</li>
</ol>
<h2>Final Thoughts</h2>
<p>This side engine cover is not just a cosmetic upgrade — it's a functional restoration that protects your oil circulation system, especially in classic vehicles where reliability is essential. Don’t risk engine failure with a faulty or welded part.</p>
<p><strong>Upgrade now with a high-quality, leak-tested part from AxiomaAutoparts</strong>.</p>
<p><a href="https://ebay.us/m/Cj9dX6" target="_blank">Click here to see product details and buy on eBay</a>.</p>
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