The Sampa 500.547B/SD Tri-Functional III Bushing Kit is a premium aftermarket replacement engineered to restore maximum stability, alignment, and roll-stiffness to your commercial trailer suspension. Designed specifically for narrow beams, this comprehensive service kit contains all necessary heavy-duty components and hardware to overhaul both endsof a single trailer axle suspension assembly.
Brand: Sampa
MPN: 500.547B/SD
Application: Narrow Beam Tri-Functional Air Ride Suspensions
Coverage: Complete Kit for Both Ends (1 Axle)
Condition: New
When your heavy-duty trailer tracks out of line, it causes premature tire wear, increased fuel consumption, and unsafe handling. Sampa’s Tri-Functional III style kits are precision-molded from high-grade rubber and high-strength steel composites to withstand rigorous over-the-road demands.
Superior Vibration Dampening: Absorbs harsh road shock to protect trailer framework and cargo.
Exact Fit Structural Engineering: Drop-in replacement layout guarantees zero modifications during installation.
Complete Hardware Solution: Saves maintenance shop downtime by bundling bushings, wear washers, and alignment hardware into one single box.
This professional-grade repair kit includes:
1x TRB5914 – Tri-Functional Bushing
2x MUBW184 – High-Durability Wear Washers
1x M5293 – Specialized Alignment Bolt & Hardware
2x M14718 – Structural Washers / Spacers
1x LNC106 – Heavy-Duty Lock Nut
This kit fits a vast configuration of popular Hendrickson Turner Trailer INTRAAX® and VANTRAAX® air ride models:
| Suspension Series | Compatible Models & Sub-Models |
|---|---|
| INTRAAX® Systems | AAL23K, AAL25K, AAL30K, AANLS20K, AANL23K, AAEDL30K Lowride, AA230L, AA250L, AA300L, AAZL23K, AAZL46K, HKAL40K, HKAQL40K, HKANL23K |
| VANTRAAX® & High-Beam | AAT23K, AAT25K, AAT30K, AANT23K, AAEDT30K, HKANT40K, HKANT46K, HKANT50K, HKA180, HKA200, HKA250, AAZNT23K, AAZNT46K, AAZNT69K |
⚠️ Fitment Note: Commercial trailer suspensions vary significantly by build year and beam width configuration. Please verify your trailer's suspension data tag or measure your current beam width to ensure an exact match before ordering.
This kit directly interchanges with major OEM and aftermarket part numbers across the trucking industry:
Hendrickson / Turner: S-23320, S-26321
Euclid: E-14377 (TF III Style)
Meritor: R3014377
Sirco: SH2007
Part Type: Suspension Bushing Kit / Repair Kit, Balance Arm Axle
Commodity Code / HTS: 8708509900
Hazardous Material: No
Country of Origin: Turkey (TR)
Fast Order Turnaround: Same-day or next-business-day processing to get your transport equipment back on the road.
Secure Bulk Packaging: Packed safely in a heavy-duty box to protect steel hardware and rubber finishes from shipping damage.
Flexible Carrier Delivery: Ground and expedited shipping options are calculated directly at checkout to accommodate immediate shop needs.
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