DF-3307-3 Series Dual-Flex Marine and Industrial Engine Mounts


Engine Mount, Dual-Flex Series DF-3307-3, Bushings, Inc.
SKU: 91682
Mfg# DF-3307-3
UNIT: Each
Typically Ships Out in 1-2 Business Days


DF-3307-3 Dual-Flex Marine Engine Mount for boat engines between 1,400 - 1,600 pounds. Built using heavy duty aluminum alloy and constructed with a lip on the top of the casting to resist upward pull created by the engine. The durable oil/fuel resistant elastomer rises above the casting to various mounting angles.

  • No metal-to-metal contact at any point over the weight range potential eliminating any danger of excessive impact
  • Aluminum 356-T6 casting
  • All steel parts are zinc dichromate plated
  • Weight: 1,400 - 1,600 lbs.
  • Zinc dichromate plated stud with 3/4"-16 threads
  • 4-7/8" overall height
  • 2-7/8" minimum clearance
  • 5-3/4" overall width, 3-3/16" depth
  • 4-1/2" mounting hole centers for 1/2" bolts or lag screws
Replaces Isuzu : QD40/60 (150-310HP), Volvo Diesel : TMD31/TAMD31/MD32A (40-60HP), Yanmar : 4LH Series (62-150HP)



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Our engine mounts are warranted to be free from defects in workmanship and materials.


  • All Returns must be returned within 30 days of receipt of the items.
  • Some products are non-returnable, please contact us for further details.
  • Manufacturer defects reported within 30 days of receipt will be supplied a pre-paid label for return shipping upon approval.
  • Please contact Go2marine LFS Marine and Outdoor for Manufacture Defects, Returns and help with Warranties.