# Metro St. Louis Supplier Portal #704149

OEM-matched EGR valve base gasket for ISL/ISB engines

**Posted:** November 11, 2026
**Respond By:** November 27, 2026
**Identifier:** 704149
**NAICS:** 423120, 336310

Metro St. Louis is seeking an OEM-matched gasket for an EGR valve base used on ISL/ISB engines.
- **Buyer:** Metro St. Louis; buyer contact: Margaret Lauth.
- **Requested item:** Gasket, EGR valve base, ISL/ISB engines; item number **0543943**.
  - **Quantity:** Not stated.
  - The gasket must match the OEM number; **substitutions are not allowed** and the item must meet the provided specification information.
- **OEMs and vendors:** No manufacturer or vendor is identified by name. The specific OEM part number is not provided.

### Description

The solicitation is for item 0543943, described as a Gasket Egr Vlv Base ISL ISB. The title states that the item must match the OEM number, with no substitutions, and meet the specification information. All responses are blind.

[View original listing](https://supplier.metrostlouis.org/OA_HTML/OA.jsp?page=/metro/oracle/apps/pon/inquiry/webui/InquiryPG&BidderA=2&OAHP=POS_GUEST_REG_HP&OASF=PON_SEARCH&OAPB=PON_SOURCING_BRAND&ouid=7AABA0B224248626)