GST Rate of 18% applicable on Fan Drive Assembly: AAR

BorgWarner Cooling Systems is seeking a legal ruling to reclassify its “Fan Drive Assemblies” for GST purposes, moving away from the standard 28% tax rate for motor vehicle parts. The company argues that because these devices function as sophisticated, self-contained clutch mechanisms using viscous fluid to regulate engine temperature, they should be classified by their mechanical function rather than as general automotive components.

The company’s main argument is that these assemblies are not just simple components but self-contained mechanical devices with a very specific purpose. They explained that the assembly functions as a viscous fluid coupling, using a silicone-based fluid to transmit torque and precisely regulate engine temperatures. Because the device operates primarily as a clutch mechanism to manage speed and power, BorgWarner believes it should be classified based on its mechanical function rather than being lumped in with standard auto parts, which would likely lead to a more favourable tax rate.

Central Issue: Whether Fan Drive Assemblies be classified as motor vehicle parts under HSN 8708 (28% GST) or as fluid couplings under HSN 8483 (18% GST)?

Tribunal Decided: AAR ruled in favour of the applicant and held that fan drive assemblies are classifiable under HSN 8483 as “fluid couplings”, attracting GST at 18%. The Authority observed that the product’s functional and technical characteristics align with fluid coupling mechanisms rather than general vehicle parts. Applying the principle of generalia specialibus non derogant, it held that a specific classification under HSN 8483 prevails over the broader entry for motor vehicle parts under HSN 8708.

It was further noted that Note 2(e) to Section XVII of the Customs Tariff excludes goods covered under heading 8483 from being treated as parts and accessories of motor vehicles. The AAR emphasised that classification must be based on the intrinsic nature and working principle of the product, not merely its end-use in automobiles.

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