This technical brief describes how USAID’s Water, Sanitation, and Hygiene Finance (WASH-FIN) Senegal program worked to address manifold challenges of Senegal's private Sanitation Service Providers (SSPs) delivery of urban fecal sludge management. Access to finance was identified as a key constraint to SSP ability to serve rapidly growing demand for services. Building on previous efforts by the Government of Senegal and development partners, WASH-FIN engaged local partners to support the development of a sanitation truck fleet renewal program known as the PARC Program. The technical assistance initiative resulted in the design of an innovative financial mechanism for SSPs to replace old and inefficient exhauster trucks via a lease arrangement, and the manufacturing of a local exhauster truck adapted to the local context. In addition to increasing the availability of trucks for small sanitation businesses, the PARC program is supporting the introduction of new, modern vehicles into Senegal that will reduce sanitary risks, improve service delivery efficiency, and reduce greenhouse gas emissions. As leasing is a common financial instrument in most economies, there are attractive prospects for replication in other country contexts.