Smooth out the ride and keep the rear of your van planted with the Monroe OESpectrum Suspension Shock Absorber (MPN 37064). It's a rear-position shock designed to restore original factory drivability, and it installs as a direct-fit replacement on the 1985-2005 Chevrolet Astro and 1985-2005 GMC Safari. See the Buyer's Guide tab for the full engine-level application details.
- Exceptional handling: Full displaced valving is tuned specifically to each vehicle and adjusts to road extremes, while the larger bore provides more efficient damping control for a smooth, consistent ride.
- Control and durability: A PTFE-banded piston provides consistent sealing between the piston and pressure tube for better control and increased durability.
- Nitrogen gas-charge: Helps maintain tire-to-road contact by reducing aeration and shock fade for improved ride and handling.
- Reduced NVH: The Twin Technology Active Control System isolates impact-related noise, vibration and harshness under most driving conditions.
OE all-weather fluid carries special additives to help handle extreme temperatures and reduce oil breakdown, and a self-lubricating fluid seal retains gas while reducing friction against the piston rod. Backed by Monroe's Limited Lifetime Warranty and Feel the Difference Guarantee.
Interchange: 530176 · 550176 · MS3432072B · TS3330911B · TS3432072B · 342522 · 22063941 · G63454 · 344082 · 565050 · KG5459 · GM124 · 210182 · SH81581 · 12140139 · 7837064
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What vehicles does the Monroe 37064 fit?
It's a rear shock absorber for the 1985-2005 Chevrolet Astro and 1985-2005 GMC Safari. Check the Buyer's Guide tab to confirm the exact fitment for your vehicle.
Is this a front or rear shock absorber?
This is a rear-position suspension shock absorber, as listed in the catalog.
Are these sold individually or as a pair?
This listing is for one shock absorber. Replacing both rear shocks together as a matched set is recommended for balanced ride and handling.
What are the signs a shock absorber may need replacing?
Common signs include excessive bouncing, a rough or unstable ride, nose-diving when braking, and uneven tire wear. Have the cause diagnosed before replacing.
What is the PTFE-banded piston for?
The PTFE-banded piston provides consistent sealing between the piston and pressure tube, which supports better control and increased durability.
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