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Acdelco Specialty 504-539 Rear Air Lift Shock Absorber
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Frequently Asked Questions

The dimensions are nineteen point four one inches in length, six point five inches in width, and three point nine inches in height.

The load capacity is up to one thousand one hundred pounds per pair.

The adjustable air pressure range is between twenty-five and two hundred psi.

It fits various Chevrolet and GMC models from nineteen eighty-eight to two thousand, including C3500, K1500, and C1500.

To adjust the air pressure, use a separate air pump or compressor to inflate or deflate the shocks as needed.

Yes, it is designed for straightforward installation on compatible vehicles.

By maintaining ride height and adjusting air pressure, it enhances stability and reduces the risk of undercarriage damage.

Yes, it is ideal for temporary load hauling and towing boats and trailers.

Keep the shocks clean and inspect them regularly for wear or damage to ensure optimal performance.

Yes, do not exceed the vehicle's Gross Vehicle Weight Rating, as the product does not increase payload.

Contact customer support immediately to report the issue and arrange for a replacement or return.

Yes, it comes with a manufacturer's warranty, which typically covers defects in materials or workmanship.

It is recommended to check compatibility, as the shocks are designed for specific vehicle models and heights.

It's advisable to check the air pressure regularly, especially before towing or hauling heavy loads.

Exceeding the load capacity can lead to reduced performance, potential damage to the shock absorbers, and safety risks.

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