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Engines and Components› Harmonic Balancers

ATI

7.525 Super Damper GM 5.3L 2014-2020 Truck/SUV

$519.50 $498.50 Save $21.00

SKU: A00N 918645

In Stock
In Stock
Ships by Oct 2
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

It features a steel construction with an elastomer element and a black zinc chromate finish. This damper exceeds SFI 18.1 specifications and includes laser-engraved 360-degree timing marks.
Show original supplier description

Part #: 918645

Harmonic Balancer - Serpentine Super Damper - 7.525 in OD - SFI 18.1 - Steel - Black - Internal Balance - GM LS-Series - Each

Vehicle Symptoms
  • Excessive engine vibration at idle or acceleration
  • Visible wobble or movement of crankshaft pulley
  • Serpentine belt slipping or chirping noise
  • Rough engine operation due to timing inaccuracy
  • Check engine light with crank position sensor codes
Diagnostic Codes
  • P0336 – Crank Pos Snsr A Ckt Malf
  • P0338 – Crank Pos Snsr A Ckt Low In
Relevant Conversations
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  • LS engine vibration at idle – harmonic balancer fix
  • Harmonic balancer wobble causes and solutions
  • ATI Super Damper review – GM LS-Series
  • Crankshaft pulley timing marks for LS engine
  • Co-purchase: harmonic balancer installer tool for ATI 918645
  • What causes a harmonic balancer to fail on LS

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandATI
Part NumberA00N 918645

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