Staff Answer
May 25, 2026 - 10:32 AM
Here's a summary of the install, also attaching the complete install instructions for the Curt Class 3 Trailer Hitch 13602
Product Overview
- CURT 13602 Class 3 Trailer Hitch
- Current Fitment: Kia EV9 (for select years)
- 2" receiver
- Rated for:
- 5,000 lbs gross trailer weight
- 500 lbs tongue weight
- Compatible with weight distribution systems up to the same limits.
Installation Difficulty
- Rated as Moderate
- Estimated install time: about 30 minutes
- No drilling required
Tools Required
- 10mm socket
- 14mm socket
- 22mm socket
- Torque wrench / torque adapter
- Rotary tool with cut-off wheel (for trimming panel)
Main Installation Steps
1. Remove Rear Underbody Panel
- Remove:
- 8 push fasteners
- 3 nuts with 10mm socket
- 1 nut with 14mm socket
- Trim the panel using the molded rectangle guide shown in the instructions.
2. Install Driver-Side Tube Spacer
- Attach spacer to driver-side frame rail using:
- 1x M14 bolt (#4)
- Larger spacer hole faces outward.
- A temporary bolt can help prevent spacer rotation during tightening.
3. Raise Hitch Into Position
- Hook driver side over frame lip.
- Rotate hitch upward into place.
- Secure with:
- 4x M14 bolts
- 4x conical-toothed washers
- Leave hardware loose initially.
4. Torque Hardware
- Tighten all M14 bolts to:
- 95.1 ft-lbs
Important Notes
- Some underbody panel trimming is required.
- Clean weld nuts before installation if debris is present.
- Use proper washer orientation (teeth toward hitch plate).
- Periodically re-check hitch hardware after installation.
Included Hardware
- Trailer hitch
- 4x M14 x 1.5 x 60 bolts
- 4x conical-toothed washers
- 1x M14 x 1.5 x 30 bolt
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