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SKU: JL6501

1-Ton APEX Front Differential Top Cap for Ford Super Duty Dana 60 2005+

$71.49


The 1-Ton APEX Front SD Differential Top Cap solves one of the awkward spots in a Super Duty front axle swap: the driver-side upper control arm has nowhere to mount on the bare differential casting. This heavy-duty 1/4" steel cap welds directly to the diff casting of a 2005-and-newer Ford Super Duty Dana 60 (Super 60), creating a solid, high-clearance surface for the driver-side upper control arm bracket — with room for a bushing or Johnny Joint style mount. It is a small part that anchors a critical link point on any APEX front swap build.

Features

  • Welds directly to the Super Duty Dana 60 differential casting for a permanent, rigid mount
  • Creates the mounting surface for the driver-side upper control arm bracket
  • CNC laser cut in-house from 1/4" mild steel
  • Peaked APEX-style top adds rigidity while eliminating long weld seams
  • CNC bent to contour the casting and drop into place ready to weld
  • Designed from 3D model data for accurate fit and clearance
  • Made in USA

Check your donor axle's casting year before ordering — this cap fits 2005-and-newer Super Duty front Dana 60 castings, while 1999-2004 axles use the earlier top cap. Welding to cast sections calls for proper preheat and an experienced hand. This piece is normally installed as part of the APEX Front Super Duty Swap Kit 2005+ for JK, JL, and JT builds; find the rest of the swap hardware in our complete axle sets collection.

1-Ton APEX Front Differential Top Cap for Ford Super Duty Dana 60 2005+ FAQs

What does the top cap actually do?

It welds to the differential casting of a 2005-and-newer Ford Super Duty Dana 60 to create a mounting surface for the driver-side upper control arm bracket — a surface the factory casting does not provide. The mount accommodates bushing or Johnny Joint style upper links. It is a key piece when putting a Super Duty front axle under a Jeep JK, JL, or Gladiator JT.

How do I know if my axle needs this version or the 1999-2004 cap?

The differential castings changed, so the cap is year-specific to the donor axle. This part fits 2005-and-newer Super Duty front Dana 60 castings; if your donor came from a 1999-2004 truck, order the earlier top cap instead. Check the axle's build tag or casting numbers before purchase.

Any tips for welding it on?

Yes — you are welding 1/4" plate to a cast housing, so preheat the casting and weld in stages to avoid cracking. The cap is CNC bent to contour the casting and its peaked top eliminates long seams, which keeps heat input down. If you are not experienced welding to cast sections, have a professional handle it.

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