{"product_id":"wehrli-20-24-gm-duramax-19-23-ram-hd-rear-differential-cover-grey","title":"Wehrli 20-24 GM Duramax - 19-23 Ram HD Rear Differential Cover - Grey","description":"\u003cp class=\"p1\"\u003e\u003cb\u003eSKU\u003c\/b\u003e: WCF100114-GRY \/\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003e\u003cb\u003eUPC\u003c\/b\u003e: WCF100114-GRY\u003c\/p\u003e\n\u003ch4 class=\"p1\"\u003eWehrli Custom Fabrication Grey Rear Differential Cover 2020-2024 GM Duramax \u0026amp; 2019-2023 Ram HD\u003cb\u003e\u003c\/b\u003e\n\u003c\/h4\u003e\n\u003cp class=\"p1\"\u003eThe Wehrli Custom Fabrication WCF100114-GRY Gloss Black Rear Differential Cover, engineered to outperform all other aftermarket options. Designed specifically for 2020-2024 GM Duramax HD Trucks (2500\/3500) and 2019-2023 Dodge Ram 2500\/3500 HD with AAM 12\" rear axles, this premium differential cover is the top choice for diesel enthusiasts seeking unmatched quality, protection, and aesthetics. Crafted with precision in the USA, the WCF100114-GRY delivers superior heat dissipation, increased fluid capacity, and robust construction to withstand the toughest conditions, making it the best investment for your truck’s drivetrain.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eWhy Wehrli?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eDurability\u003c\/b\u003e:\u003c\/p\u003e\n\u003cp\u003eConstructed from high-strength, precision-laser-cut, CNC-bent, and TIG-welded aluminum, this differential cover offers exceptional resistance to impacts, making it ideal for off-roading, towing, and high-performance applications. Unlike OEM covers or inferior aftermarket options, it protects your differential from rocks, debris, and trail hazards.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eHeat Dissipation\u003c\/b\u003e:\u003c\/p\u003e\n\u003cp\u003eThe fabricated aluminum design promotes efficient cooling, reducing gear oil temperatures during heavy-duty use. This extends the life of your differential components compared to stock or cast covers.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eFluid Capacity\u003c\/b\u003e:\u003c\/p\u003e\n\u003cp\u003eAdds approximately 1-2 quarts of additional fluid capacity over stock, ensuring better lubrication and cooling for your AAM 12\" rear axle. Be prepared to add up to 10 pints of fluid for optimal performance.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eGloss Grey Finish\u003c\/b\u003e:\u003c\/p\u003e\n\u003cp\u003eCoated with Wehrli’s signature grey powder coat, this cover resists corrosion and adds a striking, custom look to your truck’s undercarriage. The premium finish outshines competitors’ offerings in both style and longevity.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eFitment\u003c\/b\u003e:\u003c\/p\u003e\n\u003cp\u003eCAD-designed for a seamless, bolt-on installation, replacing OEM covers without modification.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReplaces GM Part Numbers:\u003c\/strong\u003e 12471445, 20984339, 23445891\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMOPAR Part Numbers:\u003c\/strong\u003e 5086904AD, 5086904AB, 5086904AC.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eMade in the USA\u003c\/b\u003e:\u003c\/p\u003e\n\u003cp\u003eBacked by Wehrli Custom Fabrication’s reputation for craftsmanship, every is built with pride in Sandwich, Illinois, ensuring top-tier quality and customer support.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eIncluded:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e1 x Fabricated Aluminum Differential Cover\u003c\/b\u003e: Precision-crafted for AAM 12\" rear axles, finished in gloss black powder coat (SKU: WCF100114-GRY).\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e1 x 1\" Fill Port with 5\/8\" Allen Plug\u003c\/b\u003e: Simplifies fluid checks and refills, ensuring easy maintenance.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eStainless Steel Installation Hardware\u003c\/b\u003e: Includes high-strength socket head cap screws and washers for secure mounting (optional upgrade to ARP 12-point stainless steel fasteners available separately, Part #WCF100217).\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eDrain Plug\u003c\/b\u003e: Facilitates quick and clean fluid changes, enhancing serviceability over stock designs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eFitment:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe Wehrli WCF100114-GRY Rear Differential Cover is compatible with the following vehicles equipped with AAM 12\" rear axles:\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eGM Duramax HD Trucks\u003c\/b\u003e:\u003c\/li\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e2020-2024 Chevrolet Silverado 2500HD\/3500HD\u003c\/b\u003e (6.6L L5P Duramax)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e2020-2024 GMC Sierra 2500HD\/3500HD\u003c\/b\u003e (6.6L L5P Duramax)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eDodge Ram HD Trucks\u003c\/b\u003e:\u003c\/li\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e2019-2023 Ram 2500\/3500\u003c\/b\u003e (6.7L Cummins Diesel)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eFitment Note\u003c\/b\u003e: Verify your vehicle’s axle type (AAM 12\" rear axle). Not compatible with AAM 11.5\" axles (use WCF100113 for those models). Contact Wehrli or your retailer to confirm fitment for specific trims, build dates, or aftermarket modifications.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eInstallation \u0026amp; Maintenance\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eBolt-On Installation\u003c\/b\u003e: No drilling or modifications required. Installs in under an hour with basic hand tools.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eFluid Recommendation\u003c\/b\u003e: Use high-quality gear oil (e.g., 75W-90 or 75W-140 synthetic). Expect to use 8-10 pints due to increased capacity.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eMaintenance\u003c\/b\u003e: Check fluid levels regularly via the 1\" fill port. The included drain plug simplifies fluid changes, reducing downtime.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wehrli","offers":[{"title":"Default Title","offer_id":43268028137551,"sku":"WCFWCF100114-GRY","price":401.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/SKU_WCF100114-GRY.jpg?v=1752176199","url":"https:\/\/www.blackopsautoworks.com\/products\/wehrli-20-24-gm-duramax-19-23-ram-hd-rear-differential-cover-grey","provider":"Black Ops Auto Works","version":"1.0","type":"link"}