Gas-Matic LT Shock Absorber
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Monroe Gas-Matic LT Shock Absorber

Part No. 59518 Warranty Details  
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Gas-charged shock absorber that provides improved vehicle control for today's light trucks, vans, full-size picks-ups and 4x4's at an economical price.

Product Features:
  • Available for import and domestic trucks, vans, full-size pick-ups and 4x4's
  • Gas-charged unit
  • Improved handling and control
  • Economical OE replacement
  • Meets OE product specifications
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Compressed Length:9.875 in
Extended Length:14.625 in
Parts Pack(s):Yes
Travel Length:4.75 in


by PowerReviews
MonroeGas-Matic LT Shock Absorber

(based on 1 review)

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Reviewed by 1 customer

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(1 of 1 customers found this review helpful)


Seen to work just fine


from Palm Harbor, FL

About Me Auto Enthusiast, Custom car builder, Ex-racer boy, Mechanic

Verified Buyer


  • Availability
  • Exact fit
  • Price


  • Different valving
  • Light-duty

Best Uses

  • Light trucks

Comments about Monroe Gas-Matic LT Shock Absorber:

I have a '99 Tahoe with 156k miles on it. I bought it from a Chrysler dealer when it had 15k miles on it so I can't say for certain that the Bilsteins that these new shocks replaced were original. These new shocks are slightly smaller in diameter and have different valving. After 156k miles I expected the Bilsteins to be completely flaccid but they're still pumped up (gas shocks) and offer considerable resistance in both bounce and jounce. The new shocks sefl-extended slower, but they have a greater resistence in jounce so that explains that. The new shocks have less initial bounce valving which I thought would cause the truck to roll in a turn more, but the opposite seemed to be true once I got back on the road. Maybe the bounce valving is progressive. On the road the ride is smoother because the lighter bounce valving lets the wheels ride over bumps easier. The truck definitely doesn't wallow in the turns and undulating bumps as much as before so the new (smaller) shocks seem to have done their job - and cheaply.

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  • No

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