Genuine Nissan Harmonic key

Suits: GQ & GU RD28, TB45, TD42, TD42T, TD42Ti, ZD30CR & ZD30DI Motors

This is the Key that sits in the crankshaft and the harmonic balancer locates on it.

On a ZD30 and TB45 there is 1 required.

On a RD28 and TD42 there are 2 required.

If there is any damage to the key, you should replace it, don't risk your harmonic balancer being able to spin on the crank.

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