What a Harmonic Balancer Does
The harmonic balancer:
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Dampens crankshaft vibrations
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Reduces torsional stress
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Protects crank bearings
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Keeps accessory belts aligned
On aging DSM engines, the rubber isolator can crack or separate, leading to:
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Belt squeal
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Visible pulley wobble
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Charging or power steering issues
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Potential crankshaft damage
Key Features
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Direct-fit replacement design
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Designed for 16-valve 4G63 / 4G64 engines
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Restores proper crankshaft damping
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Maintains OEM accessory alignment
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Suitable for turbo and non-turbo setups
Translation: smooth rotation, stable belts.
Product description
COMPATIBLE WITH:
- 90 – 99 MITSUBISHI ECLIPSE 2.0L DOHC 16V “4G63T” TURBO
- 96 – 99 MITSUBISHI ECLIPSE SPYDER 2.4L SOHC 16V “4G64”
- 93 – 96 MITSUBISHI EXPO & EXPO LRV 2.4L SOHC 16V “4G64”
- 89 – 92 MITSUBISHI GALANT 2.0L DOHC 16V “4G63”
- 94 – 94 MITSUBISHI GALANT GS 2.4L DOHC 16V “4G64”
- 94 – 94 MITSUBISHI GALANT 2.4L SOHC 16V “4G64”
- 90 – 94 EAGLE TALON 2.0L DOHC 16V “4G63”
- 93 – 93 EAGLE SUMMIT 2.4L SOHC 16V “4G64”
- 90 – 94 PLYMOUTH LASER 2.0L DOHC 16V “4G63”
- 93 – 93 PLYMOUTH COLT 2.4L SOHC 16V “4G64”
DETAILS:
- 1 Engine Harmonic Balancer Crankshaft Pulley
- Type: Double Serpentine Belt
- Diameter : 6-3/8″
- Width : 1-13/16″
- INTERCHANGES: 309-50093, MD377604, MD338319, 594-106, MD376608, 9874-50093
Compatible Applications
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1989–1999 Mitsubishi Eclipse
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1989–1999 Eagle Talon
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1989–1999 Plymouth Laser
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4G63 2.0L (1997cc)
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4G63T 2.0L Turbo
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4G64 2.4L (2351cc)
⚠️ Always confirm engine and crank configuration before purchase.
Installation Notes
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Inspect crank snout for wear
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Replace crank bolt if recommended
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Torque to factory specification
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Verify pulley alignment before startup
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Inspect accessory belts during install
Because crank bolt torque is not guesswork.
Lucas Bellan –
Great product.