3 in stock (can be backordered)

£479.00 £444.99 inc VAT

3 in stock (can be backordered)


The Fluidampr Harmonic Damper Pulley For Mazda MX-5 NA NB is designed to replace your standard damper. The pulley that came with your car actually dampens harmonic vibrations generated by the engine, and as more power is added it becomes less effective. It’s recommended that when horsepower is increased significantly that the damper is upgraded to reduce wear on main bearings and timing gear.

If you’ve purchased one of our Turbo Kits, this is excellent insurance against the oil pump gears failing as well as balancing out the engine during operation.

This product is comparable to the ATI Super Damper for the MX5, but operates over the full rev range of the engine and doesn’t require press fitting.

Wondering why you need an engine damper? Read this; https://bofiracing.co.uk/blog/how-harmonic-balancer-protects-mx5-engine/

Requires Gates  K040335 belt or generic 4PK865 belt

Fits 1991-2005 MX-5 1.6 (Long Nose) and 1.8 – A note, you will need 1.8 alternator and water pump pulleys as this is a 4 rib belt only.

Bore Diameter 1.499″
Degree Marking Range TDC.  10 deg reference mark.
Degree Markings Engraved
Engine Balance Internal
Finish Black Zinc
Keyway Dowel pin hole
Length 1.59″
Material Steel
Mounting Hardware Included Yes.  4x grade 12.9 M6 x 16mm bolts.
Outside Diameter 5-1/4″
Safety Rating SFI 18.1
Weight / Rotating Weight 5.2 lbs / 3.4 lbs
Weight 3.595 kg
Dimensions 26.5 × 26.5 × 12 cm



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Make Model Year
Mazda MX-5 1993 - 2005