Rear Air Suspension Strut for Cadillac Escalade, Chevy Suburban, Tahoe & GMC Yukon (2000-2014)

If you're chasing a saggy rear end, a compressor that won't shut up, or a suspension warning light that just won't clear on your GM full-size SUV or truck, a worn air spring is usually the culprit. This Cadillac Escalade air suspension strut pair is a direct-replacement rear strut built for the GM full-size platform, with the air spring already integrated into the strut body so you're not stacking a separate airbag onto a tired shock. It's sold as a rear left and right pair, brand new (not remanufactured), and it drops in without cutting, drilling, or modifying anything on the vehicle.

Signs Your Cadillac Escalade Air Suspension Strut Is Failing

Air struts don't usually fail without warning. The rubber sleeve that holds air eventually cracks, dries out, or develops a pinhole leak, and once that happens the symptoms show up fast. The most common one is a rear end that sits noticeably lower than it should, especially after the vehicle has been parked overnight. You might also notice the air compressor running far more often than normal, sometimes even with the truck off, as it tries to keep up with a leak it can't win against. A rough, bouncy ride in the back, a "service ride control" or suspension warning light on the dash, clunking over bumps, or the vehicle leaning to one side are all classic tells. None of that is dangerous by itself, but a strut that's lost its air spring can also cause the rear end to squat hard under acceleration or dip under braking, which changes how the truck handles when it matters.

Why Replace Both Rear Struts as a Pair

It's tempting to just replace the side that's obviously leaking, but there's a good reason we sell these as a matched rear pair. Air struts on the same axle wear on a similar timeline, since they've been cycling the same miles, load, and temperature swings since the factory installed them. If one side is bad, the other has usually been quietly losing air-tightness too, just not enough yet to trip a warning light. Replacing only one side often means you're back under the truck in a few months doing the same job on the other corner, and in the meantime a mismatched pair can leave the rear end sitting uneven. Doing both at once restores even ride height side to side, and it's less labor in the long run than paying for the job twice.

Air Suspension vs. Conventional Coil Springs

A conventional coil spring holds ride height with a fixed steel spring — simple and reliable, but the stiffness doesn't change no matter what you're carrying. Air suspension replaces that steel spring with a sealed, air-filled rubber bladder built into the strut, and the onboard compressor adds or bleeds air to adjust ride height on the fly. That's why factory air suspension on these SUVs and trucks keeps the rear end level whether you're driving empty or towing a loaded trailer. The tradeoff is that there's more to age out — seals, air lines, and the rubber sleeve itself — which is exactly why these struts eventually need replacing even on a truck that's otherwise in good shape.

Vehicle Fitment

This rear air suspension strut pair fits the following GM full-size applications:

• Cadillac Escalade (rear), 2002-2014
• Cadillac Escalade ESV (rear), 2003-2014
• Cadillac Escalade EXT (rear), 2002-2013
• Chevrolet Avalanche 1500 (rear), 2002-2006
• Chevrolet Avalanche (rear), 2007-2013
• Chevrolet Suburban 1500 (rear), 2000-2014
• Chevrolet Tahoe (rear), 2000-2014
• GMC Yukon (rear), 2000-2014
• GMC Yukon XL 1500 (rear), 2000-2014

These are aftermarket struts, so as always, confirm your OEM number against the interchange list below before ordering. If you're not sure which strut your VIN calls for, our team is happy to check it for you — just reach out through our contact page or use the request a part form and we'll track it down.

Specifications

• Fitment type: Direct replacement, no modification required
• Placement: Rear, left and right (sold as a pair)
• Design: Sealed unit, not greasable
• Dimensions: 26.3 x 7.8 x 4.7 in (67 x 20 x 12 cm)
• Weight: 16.9 lbs / 7.7 kg per strut
• Stroke: 130mm ± 25mm
• Operating pressure: ≤2.0 MPa
• Temperature tolerance: roughly -40°F to +70°F, a wide range typical of this type of component
• Condition: Brand new, not remanufactured
• Quantity: 2 pieces (rear left and right)

Build Quality and Testing

Every strut in this pair is 100% air-tightness tested before it ships, then run through a 24-hour test rated to leak no more than 0.02 MPa, a tight tolerance for a part that has to hold pressure for years. The strut body carries an anti-corrosion coating so the wear surface stays consistent instead of pitting over time, and the components are CNC-machined for a precise fit against the factory mounts. Each strut is cycle-tested past 3 million cycles before approval, and built as a straight OEM replacement — no cutting, drilling, or re-tuning the compressor needed.

Interchange / OEM Part Numbers

This rear air strut cross-references to the following OE and aftermarket numbers: 15756926, 15852159, 15869656, 15869658, 15918525, 15924688, 15945872, 19300040, 19300045, 19300046, 19300069, 19300070, 19300071, 19300072, 19302786, 22187152, 22187156, 22187158, 22400885, 25885467, 25885469, 25885470, 25979391, 25979393, 25979394, 40034, 4J-0005S, 88965338, 88965458, AS-2700, AS-2708, AS-2715, and AS-2127. Always match numbers off your old strut or your VIN before buying — these are aftermarket parts, and confirming compatibility up front saves everyone a return.

Installation Notes

No install instructions ship in the box, and we recommend a professional shop handle the swap rather than doing it in a driveway — the strut assembly is under load and the vehicle's compressor and ride-height sensors need to be working with it correctly once it's back together. If you want to read up on how air suspension systems function before you make the call, Wikipedia has a solid overview of how air suspension systems work.

For everything else, our frequently asked questions page covers the questions we get most often about fitment and returns, our warranty page spells out what's covered on this strut pair, and our shipping information page has delivery timelines. Already ordered? You can follow your package on the order tracking page. And if you're outfitting the whole rear suspension, browse the rest of our suspension parts collection for matching components. We built this listing around the Cadillac Escalade air suspension strut because that's the vehicle we get asked about most, but the same pair covers the Suburban, Tahoe, Yukon, and Avalanche applications listed above just as directly.