ZONFANT Tailgate Check Strap Retaining Arm for Jeep Wrangler JK 2011–2018 — Direct-Fit OEM Replacement, Corrosion-Resistant

When a tailgate strap or retaining arm wears, the rear door may hang unevenly or feel loose; this ZONFANT replacement restores the factory-style support with a durable, precision-molded arm that matches OEM mounting points and part numbers. The component is sold singly and designed to replace worn or damaged check straps so your Jeep's tailgate opens and closes smoothly without needing extensive modification.

Which Jeep models and part numbers does this replace?

This retaining arm fits Jeep Wrangler (JK) model years 2011 through 2018, including late-model 2018 Wrangler JK vehicles. It is manufactured to substitute the original part numbers listed by many OEM suppliers.

• Compatible with Jeep Wrangler/Wrangler JK 2011–2018.
• Replaces part numbers: #4589890AC, 4589890AB, 04589890AC.
• Sold as a single tailgate check strap retaining arm per package.

How durable and accurate is the ZONFANT replacement?

ZONFANT uses quality materials and inspects each piece before shipment so the arm maintains proper fit and function under regular use. It is engineered to match the original geometry to ensure the tailgate hangs and pivots as intended.

• Manufactured from high-strength materials for long service life.
• Factory inspection for dimensional accuracy.
• Corrosion-resistant finish to resist weather exposure.

Is installation difficult — can I install it myself?

Installation is intentionally straightforward: the arm is shaped to align with the Jeep's factory mounting points for a plug-and-play swap. Most owners can replace the part with basic hand tools in a short amount of time without special training.

• No vehicle modifications required — direct-fit replacement.
• Typical install requires only common sockets or screwdrivers.
• Quick swap: remove old strap, bolt new arm into place, verify operation.

What should I check before ordering to ensure compatibility?

Confirm your Wrangler's model year and inspect the existing part number or shape to ensure a match. If your vehicle already uses an aftermarket modification on the tailgate, compare mounting points and dimensions before purchasing.

• Verify vehicle: Jeep Wrangler/Wrangler JK 2011–2018.
• Compare against part numbers: #4589890AC, 4589890AB, 04589890AC.
• Check that weather or prior damage hasn't altered mounting hardware.

Who is this for: This ZONFANT tailgate check strap retaining arm is intended for Jeep owners and mechanics who need a reliable, OEM-style replacement for a worn or damaged tailgate strap on 2011–2018 Wrangler JK models. It’s a practical choice for DIYers seeking an accurate, long-lasting swap and for shops replacing single parts during routine repairs or restorations.