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Auxilliary Belt Relay Roller - T4 78mm (AAZ, AFN, 1Z, 1Y, AHU)

Fits most models

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Auxiliary belt tensioner for most T4 models.


Also, suits a whole host of other VW engines now popular for T3 engine conversions - 1Z, 1Y, AAZ, 2E, AHU AFN... etc...

Brand Varies - Usually INA, Dayco, all OEM .
They're all the same part in the box. When comparing price makes sure you're getting an OEM product.
We can sell the cheaper ones but its false economy.

Additional Information

Additional Information

Our Part Number 531 0729 10
VW Part No 028 145 278; 028 145 278 A; 028 145 278 E
Weight (kg) 0.4
Manufacturer INA
Shipping Restrictions No


£19.85 (Inc VAT)
In stock



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