Convert your JL: Alpha HD Adjustable Spare Tire Mount from a 5.5” lug pattern to an 8x6.5” lug pattern with the TeraFlex JL: Alpha HD 8-Lug Spare Tire Mount Adapter Kit. When combined with the TeraFlex JL: Alpha HD Hinged Spare Tire Carrier (NOT INCLUDED) and Alpha HD Adjustable Spare Tire Mount (REQUIRED — NOT INCLUDED), the Alpha HD 8-Lug Spare Tire Mount Adapter Kit can accommodate up to a 40” tire mounted on an 8-lug wheel. This setup will secure your full-size spare tire over the most extreme trails and rugged terrain.

Fitment
| Years | Make | Model |
|---|---|---|
| 2018-2025 | Jeep | Wrangler JL |
| 2018-2025 | Jeep | Wrangler JL Unlimited |
Features
- Max Tire: 40” (w/ Alpha HD Hinged Spare Tire Carrier and Alpha HD Adjustable Spare Tire Mount)
- Max Tire: 35” / 100 lbs. (w/ Alpha HD Adjustable Spare Tire Mount but w/out tailgate reinforcement)
- Wheel Pattern: 8x6.5”
- Innovative and unique design
- Simple installation using common hand tools
- No drilling required
- Dedicated CAD-designed tooling and CAE design
- FEA validation, ASTM, and SAE testing procedures
- 1,000-hour extreme salt spray testing
- OEM Quality UV resistant powder coat finish w/ 3,000-hour accelerated weather testing
Quick Specs
- 0.5 Hours install time
Max Tire:
- 40” (when used w/ Alpha HD Hinged Spare Tire Carrier and Alpha HD Adjustable Spare Tire Mount)
- 35” (when used w/ Alpha HD Adjustable Spare Tire Mount and w/out tailgate reinforcement)
- Wheel Pattern: 8x6.5”
- Part Number : 4838930
Important Notes
- The factory tailgate can only support the weight of up to a 35” spare tire and wheel combo w/out reinforcement.
- Although the Alpha HD Adjustable Spare Tire Mount Kit (5x5”: #4838910) (8x6.5”: #4838940) will bolt to the factory tailgate, the Alpha HD Hinged Spare Tire Carrier Kit (#4838900) DOES NOT work with the OEM spare tire mount.
- REQUIRES Alpha HD Hinged Spare Tire Carrier Kit and Alpha HD Adjustable Spare Tire Mount Kit to support up to a 40” spare tire and wheel combo.
- A spare tire larger than 40” will interfere with the stock rear bumper.
- Tire size fitment and aftermarket bumper clearance varies by manufacturers; please confirm fitment before purchase.
- JL Wrangler Unlimited 4xe plug-in hybrid models REQUIRE Alpha Speaker Bracket Kit (#4838290) to retain the rear speaker in the factory Pedestrian Warning System.
- REQUIRES Alpha HD Adjustable Spare Tire Mount Kit (#4838910 – NOT INCLUDED).
TeraFlex 4838930 Alpha HD 8-Lug Spare Tire Mount Adapter Kit (5x5” to 8x6.5”)
2018-2025 Jeep Wrangler JL 2018-2025 Jeep Wrangler JL Unlimited
2018-2025 Jeep Wrangler JL 2018-2025 Jeep Wrangler JL Unlimited
- SKU : 4838930
- Part Number : 4838930
$50.99
$50.99
Your discount may still be available.
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Product Details
In-stock 2 In-stock / 5 Sold Ships in 1-3 days


