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BI-38-4 Besi 4" Restraint Insert for Large Vest
- Part number
- BI-38-4
- Brand
- Besi
- Price range
- $20.37 – $20.94
- Last checked
- Oct 29, 2026
Industry research · October 29, 2026
School bus safety vest & restraint seat price report
Compare 45 matched configurations across five suppliers, with source-linked prices and availability notes. A dated catalog snapshot, not guaranteed delivered savings.
Spec sheet
Collected from 2 supplier pages - confirm fit with the supplier before ordering.
- BI-38-4 - Besi 4" Zipper Insert for Large Besi BR-38AI Vest - Color: Black - Made in the USA - 1 year workmanship warranty **_WARNING_** Best must only be used on school bus seats. Entire seat directly behind must be unoccupied or have secured occupants. Recommended replacement after 5 years in service.
Suppliers (3)
- TAC Bus PartsBI-38-4 Besi 4" Restraint Insert for Large Vest · UnavailableChecked Oct 29, 2026$20.37View at supplier
- Unity School Bus PartsBesi Zipper 4" Insert for Large Besi Vest · In stockChecked Oct 28, 2026$20.94View at supplier
- Unity School Bus PartsBI-38-4, Besi Zipper 4" Insert for Large Besi Vest · In stockChecked Oct 28, 2026$20.94View at supplier
Specifications and fitment
- Color
- Black
- Made in
- USA
- Warranty
- 1 year workmanship warranty
- Cross References
- BES-BI-38-4, NBPBESBR38-4, SJ101LBES
Features
- Besi 4" Zipper Insert for Large Besi BR-38AI Vest
- Color: Black
- Made in the USA
- 1 year workmanship warranty
- Recommended replacement after 5 years in service
Fits
- Besi BR-38AI Vest
Price history
| Date | Supplier | Price | Stock |
|---|---|---|---|
| Oct 30, 2026 | TAC Bus Parts | $20.37 | Backorder - out of stock |
| Oct 29, 2026 | TAC Bus Parts | $20.37 | Backorder — out of stock |
| Oct 28, 2026 | Unity School Bus Parts | $20.94 | In stock |
| Oct 28, 2026 | Unity School Bus Parts | $20.94 | In stock |
| Oct 28, 2026 | Unity School Bus Parts | $20.94 | In stock |
| Oct 28, 2026 | Unity School Bus Parts | $20.94 | - |
| Oct 28, 2026 | Unity School Bus Parts | $20.94 | In stock |
| Oct 28, 2026 | Unity School Bus Parts | $20.94 | In stock |
| Oct 28, 2026 | Unity School Bus Parts | $20.94 | In stock |
| Oct 27, 2026 | Unity School Bus Parts | $20.94 | In stock |