Rear Shock Absorber for 1998-2003 Toyota Sienna & More - KYB 343149

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$50.99
MPN: 343149
UPC: 781552431497
Item Package Quantity: 1
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KYB Suspension Shock Absorber P/N:343149
KYB Suspension Shock Absorber P/N:343149
$50.99

Smooth out a floaty rear end with the KYB Excel-G Gas Shock Absorber 343149, a KYB shock absorber built to restore your vehicle's original ride control, stability and handling. This is the rear shock and drops in as a direct-fit replacement for the listed classic and import applications — including the 1955-1957 Chevrolet Bel Air, 1965-1978 Ford LTD, 1970-1980 Lincoln Continental, 1968-1973 Nissan 510 and 1998-2003 Toyota Sienna. See the Buyer's Guide tab for the full 34-vehicle list.

  • Nitrogen gas-charged, twin-tube design: the Excel-G gas shock absorber is calibrated to restore the original, designed damping performance rather than change it.
  • Vehicle-specific, hand-assembled damping valves: tuned to help manage tire contact, steering response and body movement.
  • Triple-lip fluid seal: reduces the chance of oil and gas leaking out.
  • OEA (Original Equipment for the Aftermarket): made on the same KYB OE assembly lines with OE-quality components, and recommended by KYB as an OEM replacement shock for classic, domestic cars.

Signs a rear shock may need replacing include excessive bounce, a floaty or unstable rear end, and uneven tire wear. Sold individually; replace both rear shocks as a matched pair for balanced, even ride control.

Interchange: G63610 · 37243

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

G63610, 37243

Frequently Asked Questions

Is the KYB 343149 a front or rear shock?

It is the rear shock absorber for the listed applications. Sold individually — replace both rear shocks together as a matched pair for balanced ride control.

What is the KYB Excel-G gas shock absorber?

It's a nitrogen gas-charged, twin-tube shock calibrated to restore the vehicle's original designed damping, ride control and handling rather than change it.

Will this shock fit my vehicle?

It fits 34 classic and import applications, from the 1955-1957 Chevrolet Bel Air to the 1998-2003 Toyota Sienna. Check the Buyer's Guide tab to confirm your exact year, make and model.

How do I know if my rear shocks are worn?

Common signs include excessive bounce, a floaty or unstable rear end, and uneven tire wear. Have the suspension inspected, since these symptoms can have other causes.

What numbers does the KYB 343149 replace?

It cross-references interchange numbers G63610 and 37243. Match your original part number or verify fitment in the Buyer's Guide before ordering.