What we typed
Pair of rear air suspension springs for a Lincoln Navigator
Spelling out the vehicle and the pair matters. The Navigator reference pins down which springs these are; bare “air springs” would be priced off a rougher assumption.
Auto parts
How much does it cost to ship a set of air suspension springs?
A pair of air suspension springs (air bags or struts) ships in a box around 20 × 16 × 12 inches at 15–40 lb depending on whether they are bare bags or complete strut assemblies. Bare air springs are a normal parcel priced on weight and distance, while heavy complete air-strut assemblies can approach oversize and may route to freight in a full set. The bill tracks the route, the speed, and the packed size, so price your real setup rather than a ballpark.
Live parcel ratesFreight review pathTracking included
An actual rate, not an estimate
16 × 12 × 12 in and 26 lb of springs came back at $36.78 with FedEx Smart Post on the run shown below.
A real quote: Pair of rear air suspension springs for a Lincoln Navigator
For this guide we asked the SMKlog calculator, on 2026-07-24, to price “Pair of rear air suspension springs for a Lincoln Navigator” from Phoenix, AZ 85001 to Portland, OR 97201. The carton, the weight, and the rate table are its response verbatim.
Packed box it returned
16 × 12 × 12 in
40 × 30 × 30 cm
Packed weight 26 lb (12 kg).
Route
Phoenix, AZ 85001
to Portland, OR 97201
Two live ZIPs, a long diagonal across the West. Distance bands drive parcel pricing, and this pair sits several bands apart.
Here the scale wins: 26 lb actual versus about 16.6 lb of volume-based weight (16 × 12 × 12 ÷ 139), so weight, not box size, is setting these prices. There is room for a slightly bigger box before that flips.
| Carrier | Service | Price | Estimated transit |
|---|---|---|---|
| FedEx | Smart Post | $36.78 | 4-5 business days |
| UPS | Ground Saver | $40.47 | 6 business days |
| UPS | Ground | $43.43 | 4-5 business days |
| FedEx | Ground | $49.40 | 4-5 business days |
Quoted amounts equal what checkout charges: one total covering the label and SMKlog's piece, with no follow-on billing. FedEx Smart Post was the low bid at $36.78. These figures age and lanes differ, so use the table for orientation and quote the route you actually need.
Typical packed size
About 20 × 16 × 12 in once boxed. The rubber bladders must ride free of pinches and folds, with support arranged so nothing bears on the bag itself. Cap the air fittings and pad strut ends; bare metal will chew through cardboard and rubber alike.
Packed weight
15–40 lb packed for a pair. Whichever is higher, scale weight or the volumetric figure, is what the carrier charges, so keep the carton close to the parts.
What moves the price
Distance bands, speed, and the finished box. Phoenix, AZ to Portland, OR sits far up the zone table; run the same carton one state over and it rates below these numbers, pay for air and it rates above. On this single day the spread was $36.78 to $49.40 by carrier and service. A flat answer would hide most of that.
Shipping a set of air suspension springs: common questions
What box size do I need to ship a set of air suspension springs?
Plan on a 20 × 16 × 12 in carton. Position the springs so the rubber bladder is never pinched or folded and nothing presses against it in transit. Air fittings get caps, and the metal ends of strut assemblies get padding so they cannot punch through the box or into the bags.
How much does a set of air suspension springs weigh packed for shipping?
A pair typically packs at 15–40 lb. Weigh and tape-measure the sealed carton first: carriers take the larger of real and dimensional weight (the L x W x H calculation over their divisor), and a low estimate resurfaces later as an adjustment charge.
Do air suspension springs ship as a parcel or freight?
Bare air springs and a single strut ship as normal parcels priced on weight and distance. Heavy complete air-strut assemblies, especially a full set of four, get bulky and may be cheaper by LTL freight.
How do I protect air springs in shipping?
Support the assembly so the rubber bladder carries no pressure and never sits pinched or folded. Fittings should be capped, and any exposed strut metal padded, because a sharp end will work through packaging over a long ride.
How much does it cost to ship air suspension springs?
It is close between weight and volume here: a 20x16x12 in box computes to 28 lb dimensional against the 25 lb a packed set really weighs, and the greater one is billed. After that it is zone distance and ground versus expedited. Put your exact route and box into the SMKlog calculator for live USPS, UPS, and FedEx pricing.
What is the cheapest way to ship air suspension springs?
At 25 lb packed this is ground territory with UPS or FedEx, whose networks price heavier boxes better than USPS does. Resist the roomy carton, since the set's volumetric weight already edges past its true weight and every added inch bills directly. Ground speed plus an online commercial-rate label, usually 20-40% cheaper than the counter, is the reliable combination.