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(888) 312-8812 Login SignupThe ACDelco Specialty Suspension Shock Absorber manages rear-axle motion on select Chevrolet, GMC, and Cadillac models by moderating suspension travel through controlled hydraulic resistance. Its new build restores smoother vertical movement on SUVs and trucks that have begun to experience bounce or uneven ride feel. The shock is shaped to match OE rear-suspension geometry, connecting cleanly to factory hardware without modification. This layout supports consistent ride control across pavement variations, whether the vehicle is lightly loaded or carrying cargo. It’s time to shop the ACDelco 504-554.
| Compressed Length | 15.04 in |
| Shock Absorber Rod End Measuring Point | Ring Center |
| Shock Stroke | 247.14 mm |
| Shock Absorber Body End Measuring Point | Ring Center |
| Mounting Hardware Included | No |
| Boot Included | No |
| Gas Charged | No |
| Classification | Gold |
| Brand | Part Number |
|---|---|
| GM | 88946642 |
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A true OEM auto parts brand for GM and non-GM vehicles, ACDelco® offers a wide portfolio of parts designed to keep vehicles on the road longer. These parts work precisely and fit perfectly because they are designed, engineered, tested, and backed by General Motors. But ACDelco also carries aftermarket components that go through the same 18-step quality approval process as the OE parts. Whether customers choose OE or aftermarket, they’d get the same reliable performance, precise engineering, and superior reliability for years to come. ACDelco’s expansive product portfolio includes alternators, filters, batteries, brakes, belts and hoses, oil and fluids, and suspension parts. These products are made to meet GM and non-GM vehicles’ ever-evolving powertrain, collision, maintenance, and repair needs.
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