Smooth out a bouncy, wallowing rear end and keep your tires planted with the Monroe OESpectrum Rear Suspension Shock Absorber 39045. This monotube shock is designed for vehicles originally equipped with monotube shock absorbers, and it drops in as a direct-fit replacement for the 2004-2008 Chrysler Crossfire, 1998-2004 Mercedes-Benz SLK230 and 2001-2004 Mercedes-Benz SLK320 — see the Buyer's Guide tab for engine-level applications.
- Monotube design: A free-floating dividing piston separates the fluid from the high-pressure nitrogen gas charge to help reduce shock fade and aeration, while full-displaced valving adjusts to road extremes for a smooth ride.
- Maintains stability: Monotube technology helps maintain vehicle control over bumps, dips and potholes for vehicles originally equipped with monotube shocks and struts.
- PTFE-banded piston: Provides consistent sealing between the piston and the high-strength pressure tube for better control, increased durability and longer service life.
- All-weather fluid: High-temperature OE fluid with special additives helps handle extreme temperatures and reduce oil breakdown.
Signs a rear shock may need replacing include excessive bounce, nose dive, poor handling, or fluid leakage. Sold individually; replace both rear shocks together as a matched pair for balanced ride control. Backed by Monroe's Limited Lifetime Warranty and Feel the Difference Guarantee.
Interchange: TS3230832B · TS3230862B · 69957 · 70065 · 553364 · KG4732 · 1703200031 · 210379
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What vehicles does the Monroe 39045 shock fit?
It is a rear suspension shock absorber for the 2004-2008 Chrysler Crossfire, 1998-2004 Mercedes-Benz SLK230 and 2001-2004 Mercedes-Benz SLK320. Check the Buyer's Guide tab for engine-level details.
Is this a front or rear shock?
This is a rear suspension shock absorber per the catalog. It replaces the original rear monotube shock on the listed applications.
Does one 39045 cover both sides?
No. Each shock is sold individually. Order two if you plan to replace both rear shocks, which is recommended for balanced, even ride control.
What is a monotube shock?
A monotube shock uses a single tube with a free-floating dividing piston that separates the fluid from a high-pressure nitrogen gas charge, helping reduce shock fade and aeration.
What are signs my rear shocks need replacing?
Common signs include excessive bouncing, nose dive when braking, poor handling, uneven tire wear, or fluid leaking from the shock. Diagnose the cause before replacing.
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