How do I know a part fits my truck?

Every listing shows the truck make, model years, side (left/right) and OEM cross-reference numbers. Match any of your OEM numbers to the listing, or send us your number and we will confirm fitment.

Do you ship the same day?

Orders placed before 12PM Central on business days ship the same day from our US warehouse. Transit is typically 2–5 business days depending on your state.

What is your return policy?

30-day returns on unused parts in original packaging. Wrong part shipped by us? We cover the return label and ship the correct one first.

Do you offer fleet or shop pricing?

Yes. Business accounts get tiered pricing, saved reorders and a dedicated line. Open a business account to see your pricing and order online.

Are these OEM or aftermarket parts?

We sell quality aftermarket parts cross-referenced to OEM numbers, plus select OEM-grade lines. Brand and grade are shown on every listing.

Can I order by part number?

Yes — type any part number or OEM cross reference into the search bar. If it is not listed, send it to us and we will source it.

Air Spring Rolling Lobe Hendrickson, Aluminum Base (S-28929)

Can Try AB1DK23I-P959 with Composite Base Aluminum Base After Jan 2008 for HKA180; HKABT40K Suspensions for Before use S-22948 Can not be Mixed with Straight Piston Bases.

Application: Hendrickson Trailer
Brand: Automann Phoenix, OE Aftermarket
Cross: Hendrickson C28929 • Hendrickson/Turner S28929

Brand
- Automann Phoenix
Quality Tier
- OEM-Compatible
OEM Reference
- Hendrickson C28929
Condition
- New
Warranty
- 1-Year FleetPro Warranty

Wholesale pricing for approved accounts

Open a FleetPro business account to see fleet pricing and order online. Repair shops, trucking companies & dealers welcome.

Request a business account

Terms and Conditions
30-day returns on unused parts
Same-day shipping on orders before 12PM CT

Internal Reference: AB1DK23I-A959

Same-day shipping before 12PM CT from our Illinois warehouse
Part requests and quotes answered within one business hour
30-day returns
1-Year FleetPro Warranty
Wholesale and fleet pricing for approved business accounts
We speak English, Russian, Ukrainian, Romanian, Bulgarian, French and Polish

Air Suspension Spring, Details & Fitment

Air suspension spring (bellows), carries the load and maintains ride height in the air suspension.

Specifications

Type: Rolling lobe air spring
Base: Aluminum
Design height: 11.5in
Collapsed height: 7.8in
Max diameter: 12.6in
Fits: Hendrickson HKA180, HKABT40K (after Jan 2008)
Note: Before Jan 2008 use S-22948; do not mix with straight piston bases
Weight: 16.1 lbs
Package dims: 11.8 x 11.8 x 17.9 in
UPC: 889626210495

Where it's used

Replaces cracked, chafed or leaking air bags causing ride height loss, air leaks and rough ride. Always inspect mounts and shocks at replacement.

Cross references: Hendrickson C28929 • Hendrickson/Turner S28929

Product Details

Brand	Automann Phoenix
Quality Tier	OEM-Compatible
OEM Reference	Hendrickson C28929
Condition	New
Warranty	1-Year FleetPro Warranty

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