Smittybilt SBDS31-4 Defender Roof Rack Mount Kit for JK Wrangler 4-Door

The Smittybilt SBDS31-4 Defender Rack Mount Kit is a vehicle-specific hardware kit designed to attach the Smittybilt Defender Roof Rack (SB45454) to the factory roof rack rails of the Jeep Wrangler JKU — no drilling or permanent modifications required. This mount kit provides a clean, secure installation that preserves your Jeep's hardtop integrity.

Key Features:

• Attaches Smittybilt Defender Rack to factory OE roof rack rails without drilling
• Includes two brackets that mount to the rear window hinges and two brackets that mount to the rain gutter on each side
• Compatible with the SB45454 Defender Roof Rack only
• Finished in a durable textured black powder coat for long-lasting weather resistance
• Rated for loads up to 150 lbs evenly distributed
• Limited Lifetime Structural Warranty / 5-Year Finish Warranty

What's Included:

• Defender mounting brackets
• All necessary hardware

Important Notes:

• 4-door JKU models only
• Requires OE factory hardtop — will not work with aftermarket or soft tops
• Roof rack (SB45454) sold separately
• When carrying a spare tire, tire diameter should not exceed 33 inches

Also sold under part numbers DS31-4 and SMB_DS31-4. GTIN: 631410115147.