Made in USA
Harmonic Damper fits Select Late-Model GM 6.6L L8T Engine
InfoVehicle Info Needed
FLUIDAMPRPART NUMBER: 388-760151

Harmonic Damper fits Select Late-Model GM 6.6L L8T Engine

$50113
ShippingShips on 11/16/2026
Lowest PriceLowest Price Guarantee

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L8T Harmonic Dampers
Harmonic Damper
  • Fits Select Late-Model GM 6.6L L8T Engine
  • Diameter: 7 3/4 in.
  • Weight: 14.90 lbs.
  • Internal Balance
  • SFI 18.1
  • Steel
  • Black Zinc Chromate Finish
  • Sold Individually

    Dimensions for Fluidamper 760151

    Features:

    • Protects against crankshaft torsional vibration, crankshaft failure, and internal engine wear
    • 3.200 in. circle bolt pattern with (6) 3/8 in.-16 bolt holes - accommodates a custom mandrel
    • Removable rear-mounted aluminum A/C pulley
    • Replaceable crankshaft hub
    • Laser-engraved Fluidamper, SFI, and USA logo

    Fitment Note:

    • Will fit some GM 5.3L L84 and 6.2L L87 engine variations
    • Race-Proven SFI Harmonic Dampers

      Control power-robbing harmonic vibrations with a Fluidampr harmonic damper! These race-proven balancers meet SFI 18.1 specs and feature premium damping technology to protect throughout the entire RPM range. All dampers are coated with a black zinc chromate finish for increased corrosion resistance and have timing-degree marks (where applicable). Available for most popular GM LS and LT applications.

    Part TypeHarmonic Balancer
    Product LineFluidampr Harmonic Dampers for GM LS/LT Series Engines
    BrandFLUIDAMPR
    Package Height4.5
    Package Width10.5
    Package Length10.5
    Weight14.0 PG
    Part CategoryPerformance Parts
    Degree MarkingsNo
    Bolt And Washer IncludedNo
    Drive Belt TypeSerpentine
    QuantitySold individually
    Mounting Hardware IncludedNo
    Harmonic Balancer MaterialSteel
    Part FitmentSemi Universal
    Outside Diameter7.75 in (196.9 mm)
    Safety RatingSFI 18.1
    Engine BalanceInternal
    Harmonic Balancer FinishBlack zinc chromate
    Vendor Part Number760151
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning