2012 ACDelco Harmonic Balancers

Harmonic Balancer Bolt, Steel, Flanged Hex, Coarse Thread, Natural, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: ADO-12557840

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/2/2026

Harmonic Balancer, 7.710 in. Diameter, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Each

Part Number: ADO-19300488

5.0 out of 5 stars ( 13 )

Estimated Ship Date: Monday 2/2/2026

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Harmonic Balancer, 8.150 in. Diameter, Cadillac, Chevy, Each

Part Number: ADO-12674581

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/2/2026

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Harmonic Balancer, GM OE, Not SFI-Approved, Chevy, Each

Part Number: ADO-12675620

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/2/2026

• Free Shipping

Harmonic Balancer Components, Friction Washer, Buick, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Saab, Each

Part Number: ADO-12578073

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026