Isoflex IFV55-16S Engine Mount for Mercruiser, Fiat-Iveco, Volvo & Other Marine Engines

Isoflex self-aligning adjusters increase the mount's stud strength up to 3x by providing a compression fit. Adjusters allow up to 4 degrees of bracket-to-bearer misalignment to reduce point loading.

  • Stud size 5/8" (M16)
  • 4" mounting center (102mm)
  • Minimum free height 2.56" (65mm)
  • Replaces factory mounts for Mercruiser, Fiat-Iveco, Volvo, Yanmar, Beta Marine, Diecon, Perkins Sabre, Ford Lehman, Caterpillar, Westerbeke
  • Provides at least 85% vibration isolation at worst case engine idle (4cyl and above) = less equipment fatigue, maintenance and associated noise
  • Encapsulated core allows for fine tuning of inverted stiffness
  • Resilient element co-polymer resists fuel, oils, water and hydraulic fluids
  • Hold-down bolt slots can be rotated to any direction for easier installation
  • Fail safe

Replaces Isoflex M55-16S mount.



Supported Engine Models

Beta Marine: Beta 35 (BV 1305), Beta 38 (BV 1505), Beta 43 (BV 1903), Beta 50 (BV 2203), BX 4

Caterpillar: 3034-NA, 3034-T

Cummins: 1.7 MI 120

Diecon: NU100, NU125, NU180, NU50, NU70

Fiat-Iveco: 4031M25, 4031M30, 4031M33, 4041M39, 4041M40, 4141M48, 4141SRM82, 4241M41, 4241M48, 4341M60, 4341SRM87, 8031 M06, 8035M06, 8141 M08, NEF 3, NEF 4, S30 230 (S30 EMT M23), SOFIM HPI 2.3, SOFIM HPI 3.0

Ford Lehman: Super 90

Mercruiser: Ski Petrol 5.7 comp Ski 215, Ski _Petrol 350 Magnum MPI 265, Ski _Petrol 350 Magnum MPI 280, Ski _Petrol 350 Magnum MV 265, Ski _Petrol 454 Magnum MPI 295, Stern drive Petrol 3.0 LX 135, Stern drive petrol 350 Magnum 250, Stern drive petrol 350 Magnum_Gen 300, Stern drive Petrol 4.3 Litre 160, Stern drive Petrol 4.3 LX 180, Stern drive petrol 454 Magnum 350, Stern drive petrol 454 Magnum MPI 385, Stern drive Petrol 5.7 Litre_2BBL 210, Stern drive Petrol 5.7 LX 250, Stern drive petrol 502 Magnum MPI 415, Stern drive Petrol 7.4 Litre 300, Stern drive Petrol 7.4 LX MPI 330

Nanni: 2.40 HE, 2.40 KC, 2.50 HE, 2.50 KC, 3.110 HE, 3.110 KC, 3.75 HE, 3.75 KC, 4.150 HE, 4.150 KC

Perkins: Prima M50, Prima M60, Prima M80T

Volvo: 2010, 2020, 2030, AD30P(Zdrive), AD31P(Zdrive), AD40P/DP(Zdrive), D1-13, D1-13S, D1-20, D1-20S, D1-30, D1-30S, MD17D

Westerbeke: 44A, 44B

Yanmar: 2QM15, 2QM20, 3QM30, YSE12, YSE8, YSM12, YSM8



Download IFV55-16S Data Sheet

Download Data Sheet





FeatureMetricImperial
Working Load per Mount25 - 15055 - 330
Base Foot Print (LxW)140 x 755.51 x 2.95
Base Bolt Centers (C)1024.00
Base Bolt Diameter (D)103/8
Base Thickness (T)150.59
Stud Diameter (S)16M16 (5/8" approx)
Min Free Height (J)652.56
Overall Height (H)1144.49
Weight0.71.5