{"product_id":"teraflex-dana-30-44-hd-ball-joint-kit-2007-2018-jeep-wrangler-jk-3440000","title":"TeraFlex Dana 30\/44 HD Ball Joint Kit for 2007-2018 Jeep Wrangler JK","description":"\u003cp\u003eTeraFlex HD Ball Joints are made for the Dana 30 or Dana 44 front axle of every 2007-2018 Jeep Wrangler JK and JK Unlimited, to carry the extra load of oversized tires and offset wheels. Each upper and lower joint has a heat-treated 4140 chromoly ball stud, a 1045 carbon steel housing and a magnesium phosphate coating; the lower joint adds a slotted tool steel wear plate with dual helical grease channels and a 30mm adjustable ball stud for preload. Buy a set of 2 (one upper, one lower) or a set of 4, with or without knurl.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSets of 2 or 4\u003c\/strong\u003e\u003cbr\u003eUpper and lower joints for one side or both.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt for big tires\u003c\/strong\u003e\u003cbr\u003eHandles the load of oversized tires and offset wheels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4140 chromoly studs\u003c\/strong\u003e\u003cbr\u003eHeat-treated ball studs in 1045 carbon steel housings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGreaseable design\u003c\/strong\u003e\u003cbr\u003eDual helical grease channels and zerk fittings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAdjustable preload\u003c\/strong\u003e\u003cbr\u003e30mm lower ball stud adjusts with hand tools.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKnurl or no knurl\u003c\/strong\u003e\u003cbr\u003eKnurled joints grip a loose-fit knuckle bore.\u003c\/p\u003e\n\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cstyle\u003e.pt-fit{margin:10px 0 4px;position:relative}.pt-fit\u003einput{position:absolute;width:1px;height:1px;opacity:0;margin:0;pointer-events:none}.pt-fit__tabs{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 12px;padding:0}.pt-fit__tabs label{display:inline-flex;align-items:center;gap:7px;cursor:pointer;padding:6px 14px;border:1px solid #e2e4e6;border-radius:999px;background:#f2f3f4;color:#4a5057;font-weight:700;line-height:1.35}.pt-fit__tabs label\u003espan{display:inline-flex;align-items:center;justify-content:center;box-sizing:content-box;min-width:1.5em;height:1.5em;padding:0 .3em;line-height:1;font-size:.75em;font-weight:700;color:#8a9099;background:#ffffff;border-radius:999px}.pt-fit__tabs label:hover{background:#e8eaec}.pt-fit__p{display:block}#fit-3440000 .pt-fit__p{display:none}.pt-fitw{overflow-x:auto;border:1px solid #e6e6e6;border-radius:8px;background:#ffffff;margin:10px 0 4px}.pt-fitw table{display:table;table-layout:fixed;width:100%;margin:0;border-collapse:separate;border-spacing:0;border:none;min-width:560px}.pt-fitw caption{caption-side:top;text-align:left;padding:0 0 8px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#8a9099;font-size:.8em}.pt-fit .pt-fitw caption{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}@media print{.pt-fit .pt-fitw caption{position:static!important;width:auto!important;height:auto!important;clip-path:none!important;padding:0 0 8px!important}}.pt-fitw th{background:#141414;color:#ffffff;text-align:left;padding:11px 14px;font-weight:700;font-size:12px;letter-spacing:.09em;text-transform:uppercase;border:none;white-space:nowrap}.pt-fitw td{padding:11px 14px;border:none;border-bottom:1px solid #ececec;background:#ffffff;vertical-align:top}.pt-fitw tbody tr:nth-child(even) td{background:#f7f7f7}.pt-fitw tbody tr:last-child td{border-bottom:none}.pt-fitw td.y{font-weight:700;white-space:nowrap}.pt-fitw td.b{white-space:nowrap}.pt-fitw td.n{color:#5a6067;font-size:.92em}.pt-fitw td.e{color:#c4c8cc}#fit-3440000\u003e.pt-fit__panels\u003e.pt-fit__p:first-of-type{display:block}#fit-3440000\u003einput:checked~.pt-fit__panels\u003e.pt-fit__p{display:none}@media print{#fit-3440000 .pt-fit__tabs{display:none}#fit-3440000 .pt-fit__p{display:block!important}#fit-3440000 .pt-fitw{overflow:visible!important}#fit-3440000 .pt-fitw table{min-width:0!important}}\u003c\/style\u003e\u003cdiv class=\"pt-fitw\"\u003e\u003ctable\u003e\n\u003ccaption\u003eJeep\u003c\/caption\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width:22%\"\u003e\n\u003ccol style=\"width:28%\"\u003e\n\u003ccol style=\"width:12%\"\u003e\n\u003ccol style=\"width:38%\"\u003e\n\u003c\/colgroup\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eBed\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"y\"\u003e2007-2018\u003c\/td\u003e\n\u003ctd\u003eWrangler\u003c\/td\u003e\n\u003ctd class=\"b\"\u003e\u003c\/td\u003e\n\u003ctd class=\"n\"\u003eJK; Dana 30\/44 front axle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cdiv style=\"background:#faf7f7;border-left:4px solid #ba232a;border-radius:0 8px 8px 0;padding:14px 16px;margin:12px 0;\"\u003e\n\u003cp style=\"margin:0 0 8px;\"\u003e\u003cstrong\u003eCheck your Jeep:\u003c\/strong\u003e Wrangler JK or JK Unlimited 2007-2018 with a Dana 30 or Dana 44 front axle.\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eNot for:\u003c\/strong\u003e TJ\/LJ\/YJ\/XJ\/ZJ\/MJ (1353000) or JL\/JT.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBrand:\u003c\/b\u003e TeraFlex\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProduct Type:\u003c\/b\u003e Ball joint kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAxle:\u003c\/b\u003e Dana 30 \/ Dana 44 front\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuantity:\u003c\/b\u003e Upper \u0026amp; lower, set of 2 (3440000 \/ 3440020) or set of 4 (3442002 \/ 3442022)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Heat-treated 4140 chromoly ball\/stud, 1045 carbon steel housing\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCoating:\u003c\/b\u003e Magnesium phosphate\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLower Ball Stud:\u003c\/b\u003e 30mm (1.18\") adjustable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"pt-fitw pt-varspec\"\u003e\u003ctable\u003e\n\u003ccaption\u003eVersions\u003c\/caption\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eVersion\u003c\/th\u003e\n\u003cth\u003eUPC\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr data-sku=\"3440000\"\u003e\n\u003ctd\u003e3440000\u003c\/td\u003e\n\u003ctd\u003eSet of 2, No Knurl\u003c\/td\u003e\n\u003ctd\u003e843885031239\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-sku=\"3440020\"\u003e\n\u003ctd\u003e3440020\u003c\/td\u003e\n\u003ctd\u003eSet of 2, Knurl\u003c\/td\u003e\n\u003ctd\u003e843885031871\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-sku=\"3442002\"\u003e\n\u003ctd\u003e3442002\u003c\/td\u003e\n\u003ctd\u003eSet of 4, No Knurl\u003c\/td\u003e\n\u003ctd\u003e843885031598\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-sku=\"3442022\"\u003e\n\u003ctd\u003e3442022\u003c\/td\u003e\n\u003ctd\u003eSet of 4, Knurl\u003c\/td\u003e\n\u003ctd\u003e843885031802\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eTime:\u003c\/b\u003e 2 hours · \u003cb\u003eWhat's involved:\u003c\/b\u003e Remove the brakes, rotors, unit bearings and axle shafts, free the knuckles and press out the old ball joints. Press in the new upper and lower ball joints, refit the knuckles, grease the joints and reassemble the axle and brakes. · \u003cb\u003eTools:\u003c\/b\u003e Basic mechanics tool set; Ball joint press; Grease gun\/high quality grease; Blue thread locking compound; Large hammer\u003c\/p\u003e\n\u003cp\u003eHere's the short version. Follow TeraFlex's install sheet (below) for your Jeep's exact steps and torque values.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eLift and support the front, remove the front tires, the brake caliper and anchor bracket assemblies (support them so the brake lines and ABS wiring carry no weight) and the rotors.\u003c\/li\u003e\n\u003cli\u003eUnbolt and remove the ABS sensors, remove the three 12-point 13mm unit bearing bolts and pull out the unit bearing and axle, supporting the inner shaft to protect the seal; remove the dust shields.\u003c\/li\u003e\n\u003cli\u003ePull the cotter pins and loosen, but do not remove, the ball joint nuts, free the outer knuckle (large hammer, pickle fork or similar), then press out the upper and then the lower ball joints with a ball joint press.\u003c\/li\u003e\n\u003cli\u003eClean the bores and apply a little grease or anti-seize, press the new lower ball joint into the inner C with the raised grease passages facing the axle tube (facing away on RCV-equipped axles; same orientation both sides) and fit its grease zerk; take the boot off the new upper joint, press it in from the top down with the press cup centered, and refit the boot.\u003c\/li\u003e\n\u003cli\u003eRefit the outer knuckle on the ball joint studs with the ABS wiring retainer and torque the nuts to 70 ft-lbs (95 N-m), tightening further to line up the cotter pins; grease the joints (lowers until grease shows at the bottom lip seal, uppers until the boot swells slightly; do not overfill).\u003c\/li\u003e\n\u003cli\u003eRepeat on the other side, then reinstall the axle shafts, unit bearings and brakes in reverse order with the unit bearing bolts at 75 ft-lbs (102 N-m).\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eResources\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0805\/4784\/0244\/files\/teraflex-install-sheet-1574.pdf?v=1792344032\" target=\"_blank\" rel=\"noopener\"\u003e999009 JK HD Dana 30 and 44 Ball Joints (PDF)\u003c\/a\u003e, TeraFlex's own installation guide.\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch3\u003eWarranty, Shipping \u0026amp; Returns\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty.\u003c\/strong\u003e TeraFlex covers ball joints, tie rods, tie rod ends and drag links for life against defects in materials and workmanship, and paint and powder coat finishes for 90 days (defects only).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTeraFlex extends its limited warranty only to the consumer who first bought the product, and only on the vehicle the part was first installed on. It does not pass to a later owner.\u003c\/li\u003e\n\u003cli\u003eCoverage starts on the purchase date and does not restart if a part is repaired or replaced.\u003c\/li\u003e\n\u003cli\u003eFor a covered defect, TeraFlex will either repair or replace the product (or the faulty part) free of charge or refund the purchase price, at its discretion, and it pays the freight to send a repaired or replacement part back to you.\u003c\/li\u003e\n\u003cli\u003eNot covered: damage from transportation, storage, improper use, skipped instructions or preventive maintenance, modifications, unauthorized repair, normal wear and tear, product finish, improper installation or maintenance, racing or competition, or accidents, abuse and neglect. Improper installation, poor maintenance, racing or competition use, and neglect or abuse void the warranty.\u003c\/li\u003e\n\u003cli\u003ePaint and powder coat finishes carry 90 days of defect coverage only, not wear from use.\u003c\/li\u003e\n\u003cli\u003eClaims: contact us first. Keep your proof of purchase or original invoice; removing the part from the vehicle and the inbound shipping are the owner's responsibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFree shipping.\u003c\/strong\u003e Ships free to the lower 48 states, with no minimum order.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOrder by 5 PM ET on a business day and it starts processing the same day.\u003c\/li\u003e\n\u003cli\u003eMost orders arrive within 1-5 business days.\u003c\/li\u003e\n\u003cli\u003eWe email your tracking number as soon as it ships.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eInspect on delivery.\u003c\/strong\u003e Check the drag link, tie rod, ends, jam nuts and any bracket against the TeraFlex parts list before you start, and contact us right away about anything missing or damaged. Check it as soon as it arrives.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLook for crushed ends, punctures or tears in the carton.\u003c\/li\u003e\n\u003cli\u003eIf something looks wrong, take photos of the box and the parts (and if a driver asks you to sign, note the damage on the receipt).\u003c\/li\u003e\n\u003cli\u003eOpen the box and check the parts against the parts list before you install.\u003c\/li\u003e\n\u003cli\u003eEmail \u003ca href=\"mailto:support@prestigetruck.com\"\u003esupport@prestigetruck.com\u003c\/a\u003e right away with your order number, a short note and photos. We send a replacement or a full refund at no cost to you.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e30-day returns.\u003c\/strong\u003e Return it within 30 days of delivery, unused, in the original packaging, with proof of purchase.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEmail \u003ca href=\"mailto:support@prestigetruck.com\"\u003esupport@prestigetruck.com\u003c\/a\u003e with your order number. We reply within 1-2 business days with instructions.\u003c\/li\u003e\n\u003cli\u003eDamaged, defective or wrong item: we send a prepaid label or arrange a pickup.\u003c\/li\u003e\n\u003cli\u003eChanged your mind: you pay return shipping. No restocking fee.\u003c\/li\u003e\n\u003cli\u003eRefunds go back to your original payment method within 7 business days of approval. See our \u003ca href=\"https:\/\/prestigetruck.com\/policies\/refund-policy\"\u003ereturns policy\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAbout TeraFlex\u003c\/h3\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:24px;align-items:flex-start;margin:6px 0 4px;\"\u003e\n\u003cdiv style=\"flex:0 0 150px;max-width:150px;border:2px solid #14161a;padding:12px 8px;text-align:center;font:700 22px\/1.1 Rajdhani,'Arial Narrow',sans-serif;letter-spacing:.06em;color:#14161a;\"\u003eTERAFLEX\u003cspan style=\"color:#ba232a;\"\u003e.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 340px;min-width:240px;\"\u003e\n\u003cp\u003eTeraFlex describes itself as a Jeep company at heart, started and staffed by people who drive them. It designs, engineers and builds suspension systems, shocks, axles and performance parts, with the Wrangler and Gladiator at the center of the range.\u003c\/p\u003e\n\u003cp\u003eThe company traces its roots to the 1950s and MEPCO (Military Equipment Parts Company), an early supplier of Jeep parts. TeraFlex Manufacturing followed in 1996 to build heavy-duty suspension for the TJ Wrangler, and today's catalog runs from full lift systems and the Falcon shock line to axles, steering and armor.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#faf7f7;border-left:4px solid #ba232a;border-radius:0 8px 8px 0;padding:14px 16px;margin:16px 0 0;\"\u003e\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eAuthorized TeraFlex dealer.\u003c\/strong\u003e Prestige Truck is an authorized TeraFlex dealer, so what we sell is new and genuine TeraFlex. In TeraFlex's words, its limited warranty extends \"only to the consumer who originally purchased the product,\" so keep your receipt with your build records.\u003c\/p\u003e\u003c\/div\u003e","brand":"TeraFlex","offers":[{"title":"Set of 2, No Knurl","offer_id":67835436794100,"sku":"3440000","price":155.99,"currency_code":"USD","in_stock":true},{"title":"Set of 2, Knurl","offer_id":67835436826868,"sku":"3440020","price":155.99,"currency_code":"USD","in_stock":true},{"title":"Set of 4, No Knurl","offer_id":67835436859636,"sku":"3442002","price":307.99,"currency_code":"USD","in_stock":true},{"title":"Set of 4, Knurl","offer_id":67835436892404,"sku":"3442022","price":307.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0805\/4784\/0244\/files\/teraflex-steering-components-a010.jpg?v=1792344193","url":"https:\/\/prestigetruck.com\/products\/teraflex-dana-30-44-hd-ball-joint-kit-2007-2018-jeep-wrangler-jk-3440000","provider":"Prestige Truck","version":"1.0","type":"link"}