Dayco Engine Harmonic Balancer PB81117SC

Dayco Engine Harmonic Balancer PB81117SC - view 2

Dayco Engine Harmonic Balancer PB81117SC - view 3

Dayco Engine Harmonic Balancer PB81117SC - view 4

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Dayco Engine Harmonic Balancer P/N:PB81117SC

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$438.99

MPN: PB81117SC

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Dayco Engine Harmonic Balancer P/N:PB81117SC

$438.99

Description

Tame crankshaft vibration and keep your accessory drive spinning true with the Dayco Engine Harmonic Balancer PB81117SC. It installs as a direct-fit replacement for the listed applications: the 2004-2007 Cadillac CTS, 2011-2017 Chevrolet Caprice, 1997-2013 Chevrolet Corvette, 2014-2017 Chevrolet SS, and 2008-2009 Pontiac G8. Mounted on the crankshaft nose, the balancer helps absorb the torsional pulses created as the pistons fire, smoothing engine operation and helping protect the crankshaft and belt-driven accessories.

Torsional damper: designed to counteract crankshaft twisting vibrations for smoother, quieter running.
Belt drive pulley: provides the mounting surface that turns the engine's accessory belt.
Direct-fit replacement: intended to swap in for the original balancer on the listed vehicles.

Signs the original balancer may need replacing include a visible wobble or separated/cracked elastomer ring, engine vibration, or belt misalignment. Because these symptoms can have other causes, diagnose the source before replacing; if a failed harmonic balancer is the cause, this unit replaces it.

Interchange: 102120

Manufacturer part number PB81117SC

Manufacturer's Description

Product Specs

Buyer's Guide

Interchange Part Numbers

This part cross-references / interchanges with the following part numbers:

102120, NA

Frequently Asked Questions

What does this harmonic balancer do?

It mounts on the crankshaft nose to help absorb the torsional vibrations created as the engine fires, and it provides the pulley surface that drives the accessory belt.

Which vehicles does the PB81117SC fit?

It's a direct-fit replacement for the 2004-2007 Cadillac CTS, 2011-2017 Chevrolet Caprice, 1997-2013 Chevrolet Corvette, 2014-2017 Chevrolet SS, and 2008-2009 Pontiac G8. See the Buyer's Guide tab to confirm.

What are the signs of a failing harmonic balancer?

Common signs include a visible wobble, a cracked or separated rubber elastomer ring, engine vibration, or belt misalignment. Diagnose the cause before replacing.

What interchange number does this part cross-reference?

This Dayco balancer cross-references interchange number 102120.

Will replacing this fix my engine vibration?

If a failed harmonic balancer is the cause, this unit replaces it. Vibration can have other sources, so diagnose the cause before ordering.