Aluminum I-Beam Spare Tire Carrier 300-034788-10

The EZ Loader aluminum I-beam spare tire carrier 300-034788-10 is designed for boat trailers with 6½″ or 7″ aluminum I-beams. Before ordering, measure the beam where the carrier will mount and check the exact bolt pattern of your spare wheel.

Fitment for 15″ and 16″ spare wheels

This adjustable carrier accepts compatible 15″ or 16″ spare wheels with a 5- or 6-lug bolt pattern. If your trailer has 8-lug road wheels, contact our parts counter to confirm whether this carrier fits your spare before ordering.

Assembly and included lug kits

The photos show the carrier assembled and with a spare wheel mounted for reference. The carrier ships unassembled with instructions. Both lug nut sets are included. You get two lug nuts for aluminum wheels and two marine lug nuts for galvanized or painted steel wheels.

Use the lug nut set specified for your wheel in the included instructions. For aluminum wheels, match the lug nut shown in the EZ Loader drawing to the seat on your wheel.

Will this EZ Loader aluminum I-beam spare tire carrier fit?

• Beam fit. Measure the beam height and width where the carrier will mount. Check that the clamp plates and bolts have room around the flanges.
• Wheel fit. Verify the exact bolt pattern on your 15″ or 16″ spare wheel.
• Tire clearance. Allow room for the full tire and wheel assembly around the boat and nearby trailer equipment.

For fitment help, send your trailer VIN, a photo of the beam, and your spare wheel’s size and bolt pattern to Parts@411Marine.com or call 843-683-5797.

Independent EZ Loader Parts Dealer Notice

EZLoaderParts411 is operated by 411MarineCom, Inc., an independent EZ Loader dealer and OEM parts supplier in Hardeeville, South Carolina. We help match trailer parts using VINs, photos, measurements, and hands-on comparisons.