March Performance Billet Aluminum V-Belt Alternator Pulleys

4.57 out of 5 stars 37 Customer Reviews

March Performance billet aluminum V-belt alternator pulleys are manufactured from precision-machined 6060-T6 billet aluminum with either a clear or black powdercoated finish. They come in several sizes and are available with or without a cover.

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March Performance Billet Aluminum V-Belt Alternator Pulleys 131

Alternator Pulley, V-Belt, 1-Groove, Aluminum, Polished, 0.668 in. Bore, Bolt-On, GM/Ford, Each

Part Number: MCH-131

4.36 out of 5 stars ( 14 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

March Performance Billet Aluminum V-Belt Alternator Pulleys 150

Alternator Pulley, V-Belt, 1-Groove, Aluminum, Clearcoated, 0.668 in. Bore, Bolt-On, GM/Ford, Each

Part Number: MCH-150

4.93 out of 5 stars ( 14 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

March Performance Billet Aluminum V-Belt Alternator Pulleys 137

Alternator Pulley, V-Belt, 1-Groove, Aluminum, Clear Powdercoated, 0.668 in. Bore, 2 11/16 O.D., Bolt-On, GM/Ford, Each

Part Number: MCH-137

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

March Performance Billet Aluminum V-Belt Alternator Pulleys 143

Alternator Pulley, V-Belt, Aluminum, 3.188 in. Outside Diameter, 0.668 in. Bore Diameter, Each

Part Number: MCH-143

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

March Performance Billet Aluminum V-Belt Alternator Pulleys 178