# Metro St. Louis Supplier Portal #699134

OEM Rear HVAC Relay Board for a 4900-Series Vehicle

**Posted:** October 07, 2026
**Respond By:** October 12, 2026
**Identifier:** 699134
**NAICS:** 423860, 336390

Bi-State Development is seeking an OEM-only rear HVAC relay board for a 4900-series vehicle.
- **Buyer:** Bi-State Development, through the Metro St. Louis supplier portal; contact: Charmel Smith.
- **Product requested:** Relay Board, Rear HVAC 4900. The notice does not provide a part number or quantity.
- **OEM requirement:** The item must be an original equipment manufacturer (OEM) product and meet Bi-State specifications; substitutes are not permitted.
- **OEMs and vendors:** No manufacturer, OEM, or supplying vendor is named.

### Description

The solicitation is for a Relay Board, Rear HVAC 4900. It requires OEM items only that meet all Bi-State specifications; substitutes are not permitted. The source identifies the request as RFQ # 699134.

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