{"product_id":"ppe-338051100-cast-aluminum-rear-differential-cover","title":"PPE 338051100 Heavy-Duty Cast Aluminum Rear Differential Cover","description":"\u003cp\u003e\nThe Pacific Performance Engineering (PPE) Heavy-Duty Cast Aluminum Rear Differential Cover (338051100) is a rugged upgrade for the rear differential on Ford F-250, F-350, and Excursion trucks equipped with Sterling 10.25\" or 10.5\" 12-bolt axles. This premium cover is designed to improve heat dissipation and increase fluid capacity, helping your differential run cooler and extend the life of internal components.\n\u003c\/p\u003e\n\u003cp\u003e\nConstructed from high-strength cast aluminum, this differential cover features internal heat sinks along with external cooling fins to maximize surface area for efficient thermal control. Lower operating temperatures help maintain proper fluid viscosity and reduce wear on gears and bearings, especially during towing, hauling, or demanding driving conditions.\n\u003c\/p\u003e\n\u003cp\u003e\nFor added protection, the cover includes a magnetic fill plug that captures harmful metal particles circulating in the differential oil. The bolt-on design allows for straightforward installation on compatible Sterling axles, making this a durable and functional upgrade for both diesel and gas-powered trucks.\n\u003c\/p\u003e\n\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHeavy-duty cast aluminum differential cover\u003c\/li\u003e\n\u003cli\u003eIncreases fluid capacity for improved cooling\u003c\/li\u003e\n\u003cli\u003eInternal heat sinks and external cooling fins\u003c\/li\u003e\n\u003cli\u003eMagnetic fill plug captures metal debris\u003c\/li\u003e\n\u003cli\u003eHelps lower differential operating temperatures\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for Sterling 10.25\" and 10.5\" 12-bolt axles\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pacific Performance Engineering","offers":[{"title":"Default Title","offer_id":51525601231131,"sku":"338051100","price":296.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/5757\/3147\/files\/Screenshot2025-12-23at4.29.09PM.png?v=1766532568","url":"https:\/\/wwmperformance.com\/products\/ppe-338051100-cast-aluminum-rear-differential-cover","provider":"WWM Performance","version":"1.0","type":"link"}