{"product_id":"cognito-alpha-pro-ball-joint-upper-control-arm-use-w-cognito-uca-2015-2019-chevy-silverado-2500hd","title":"Cognito Alpha PRO Ball Joint - Upper Control Arm (Use w\/ Cognito UCA) | 2015-2019 Chevy Silverado 2500HD","description":"\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"Product\",\"name\":\"Cognito Alpha PRO Ball Joint - Upper Control Arm (Use w\/ Cognito UCA) | 2015-2019 Chevy Silverado 2500HD\",\"description\":\"Fits 2015-2019 Chevy Silverado 2500HD. The Alpha PRO uses a scraper-type seal in place of a traditional dust boot, eliminating the most common failure point on lifted HD trucks. Internals are alloy steel with alloy races and grease paths -- no plastic liner -- for greater pullout strength and longer service life.A carburized, surface-coated taper pin seats into an oversized sphere for maximum contact area and wear resistance. A top-mounted grease fitting feeds an internal cavity pre-filled with Lithium Complex Grade 2 grease for easy\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Cognito\"},\"offers\":{\"@type\":\"Offer\",\"availability\":\"https:\/\/schema.org\/InStock\",\"seller\":{\"@type\":\"Organization\",\"name\":\"Stateside Performance\"}},\"vehicleConfiguration\":\"2015-2019 Chevy Silverado 2500HD\"}\u003c\/script\u003e\n\u003cstyle\u003e\n.sp-product-body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;font-size:16px;line-height:1.6;color:#1a1a1a;max-width:800px}\n.sp-product-body h2{font-size:1.15em;font-weight:700;margin:1.4em 0 .5em;padding-bottom:.3em;border-bottom:2px solid #f0f0f0;letter-spacing:-.01em}\n.sp-product-body p{margin:.6em 0;font-size:1em;line-height:1.65}\n.sp-product-body ul{padding-left:1.3em;margin:.5em 0}\n.sp-product-body li{margin:.35em 0;font-size:.97em;line-height:1.55}\n.sp-product-body li strong{color:#111}\n.sp-fitment-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:1em 0;border-radius:6px;border:1px solid #e2e2e2}\n.sp-fitment-table{width:100%;border-collapse:collapse;font-size:.88em;min-width:420px}\n.sp-fitment-table thead tr{background:#f7f7f7}\n.sp-fitment-table th{text-align:left;padding:9px 12px;font-weight:600;font-size:.82em;text-transform:uppercase;letter-spacing:.04em;color:#555;border-bottom:2px solid #e2e2e2;white-space:nowrap}\n.sp-fitment-table td{padding:8px 12px;border-bottom:1px solid #ebebeb;vertical-align:top;color:#2a2a2a}\n.sp-fitment-table tbody tr:last-child td{border-bottom:none}\n.sp-fitment-table tbody tr:nth-child(even){background:#fafafa}\n@media(max-width:600px){.sp-product-body{font-size:15px}.sp-product-body h2{font-size:1.1em}.sp-fitment-table{font-size:.83em}.sp-fitment-table th,.sp-fitment-table td{padding:7px 9px}}\n\u003c\/style\u003e\n\u003cdiv class=\"sp-product-body\"\u003e\n\u003cp\u003eThe Cognito Alpha PRO Ball Joint fits the 2015-2019 Chevy Silverado 2500HD and replaces the upper ball joint with a bootless, heavy-duty design built for IFS suspensions.\u003c\/p\u003e\n\u003cp\u003eIt pairs with Cognito upper control arms and delivers uni-ball performance with serviceable ball joint durability.\u003c\/p\u003e\n\u003cdiv style=\"border:1px solid #f0c8b0;background:#fef5f0;padding:12px 16px;border-radius:8px;margin:16px 0;display:flex;align-items:flex-start;gap:12px\"\u003e\n\u003cspan style=\"font-size:24px;line-height:1;flex-shrink:0\" aria-hidden=\"true\"\u003e🔧\u003c\/span\u003e\u003cdiv style=\"flex:1\"\u003e\n\u003cstrong style=\"color:#b85a1f;font-size:15px\"\u003eInstall Difficulty: Professional Install Only\u003c\/strong\u003e\u003cdiv style=\"color:#444;font-size:14px;line-height:1.45;margin-top:2px\"\u003eBall joint replacement requires a press, upper control arm removal, and typically takes 2-3 hours per side; professional alignment required after any suspension modification.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe Alpha PRO uses a scraper-type seal in place of a traditional dust boot, eliminating the most common failure point on lifted HD trucks. Internals are alloy steel with alloy races and grease paths -- no plastic liner -- for greater pullout strength and longer service life.\u003c\/p\u003e\n\u003cp\u003eA carburized, surface-coated taper pin seats into an oversized sphere for maximum contact area and wear resistance. A top-mounted grease fitting feeds an internal cavity pre-filled with Lithium Complex Grade 2 grease for easy periodic maintenance.\u003c\/p\u003e\n\u003cp\u003eDesigned to run with Cognito upper control arms on the 2015-2019 Silverado 2500HD, the joint accommodates the higher angles created by leveling and lift setups.\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eFits: 2015-2019 Chevy Silverado 2500HD\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eDesigned for use with Cognito upper control arms\u003c\/li\u003e\n\u003cli\u003eBootless scraper-type seal eliminates torn boot failures\u003c\/li\u003e\n\u003cli\u003eAlloy steel internals with alloy races, no plastic liner\u003c\/li\u003e\n\u003cli\u003eCarburized, surface-coated taper pin with oversized sphere\u003c\/li\u003e\n\u003cli\u003eGreaseable with top-mounted fitting and internal grease cavity\u003c\/li\u003e\n\u003cli\u003ePre-greased with Lithium Complex Grade 2 grease\u003c\/li\u003e\n\u003cli\u003eHigh-angle design accommodates added suspension travel\u003c\/li\u003e\n\u003cli\u003eZinc-plated corrosion-resistant housing\u003c\/li\u003e\n\u003cli\u003eReplacement billet cap included\u003c\/li\u003e\n\u003cli\u003ePatented design (U.S. Pat. 10,731,700)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eThis part fits the following vehicles:\u003c\/p\u003e\n\u003cdiv class=\"sp-fitment-wrap\"\u003e\n\u003ctable class=\"sp-fitment-table\"\u003e\n\u003ctr\u003e\n\u003cth align=\"left\" width=\"100\"\u003eYear\u003c\/th\u003e\n\u003cth align=\"left\" width=\"125\"\u003eMake\u003c\/th\u003e\n\u003cth align=\"left\" width=\"150\"\u003eModel\u003c\/th\u003e\n\u003cth align=\"left\" width=\"80\"\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2019\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 2500 HD\u003c\/td\u003e\n\u003ctd\u003eLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2019\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 2500 HD\u003c\/td\u003e\n\u003ctd\u003eLTZ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2019\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 2500 HD\u003c\/td\u003e\n\u003ctd\u003eWT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:12px 0;padding:10px 14px;background:#fff8e6;border-left:4px solid #f59e0b;border-radius:4px;font-size:.93em;line-height:1.5;color:#5a4a1a\"\u003e\n\u003cstrong\u003e⚠ Submodel Fitment:\u003c\/strong\u003e If your submodel is not listed in the fitment table above, we cannot confirm fitment. Please contact us before purchasing to verify.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Cognito","offers":[{"title":"Default Title","offer_id":59711607308369,"sku":"COG199-91350","price":94.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9029\/7425\/files\/30d8636fddaed59a199c32b3014dda35L_685272a6-9f57-4249-96ef-fda9eb58ffbd.jpg?v=1782453802","url":"https:\/\/www.statesideperformance.com\/products\/cognito-alpha-pro-ball-joint-upper-control-arm-use-w-cognito-uca-2015-2019-chevy-silverado-2500hd","provider":"Stateside Performance","version":"1.0","type":"link"}