Honda Motor Co.Procurement · Case study
Honda: give every part a second source
Split purchasing so no part that can stop a vehicle line depends on one supplier.
By OneShot · Updated
Read the solution ↓What the workflow produces
Part sourcing plan- Single points
- Parts with one supplier, the models they stop and stock on hand.
- Second sources
- Candidates with capacity, lead time, price, checks and time to qualify.
- Split
- Volume per supplier, its cost and the share limit applied.
- Decision
- Purchasing manager’s decision per part, qualification date and review date.
The documented problem
On November 7, 2025, Honda told analysts that export restrictions had stopped shipments of a semiconductor used in its components since early October. Its plant in Mexico had been halted since October 28, and plants in the United States and Canada had cut daily output. Honda put the reduction at 110,000 units in North America and the impact of the shortage at minus 150 billion yen.
“The semiconductor in question was sourced from a single company,” an executive said. Honda had held intermediate stock for single-source parts since an earlier shortage, but said that using the same parts across many models left it short once supply stopped. It said it aims to “avoid single-source arrangements as much as possible” and to work out, part by part, how long an alternative takes to procure. On February 10, 2026, it said it had established a clear path toward preventing a recurrence. These are Honda’s own statements. The OneShot workflow below re-splits purchasing so no part that can stop a line rests on one supplier.
- Honda: Q&A, results for the half year ended September 30, 2025Primary source · Checked 2026-10-23
- Honda: fiscal third quarter 2025 results presentationPrimary source · Checked 2026-10-23
The OneShot solution
No line-stopping part left on one supplier
Give every part that can stop a line a second qualified source, or stock that lasts until one is qualified.
What it pays back
Vehicles built through a supplier stoppage
Counted per part, in days of production covered by a second source or stock, against the time to qualify one.
- 01
Find the single points
Read every part with its suppliers, the models and plants that use it, stock on hand and each supplier’s production site. List the parts with one supplier, ranked by the vehicles that stop without them.
- 02
Find and check second sources
Search for other makers of each listed part and profile them. Confirm each company’s legal entity and filings and screen it against sanctions lists, then ask each candidate by email for capacity, lead time, price and the time to qualify its part.
- Company Find
- Company Profile
- Legal Entity Identifier
- Company Filings
- Sanctions Listing (company)
- Email Inbox
- Part sourcing records
- 03
Solve the split
The OneShot agent uses its optimization tool to split each part’s volume between suppliers at the lowest total cost, within each supplier’s capacity and with no supplier above the share the purchasing manager sets. Parts with no second source that can qualify in time are listed for a stock decision.
- 04
Get the split approved
Give the purchasing manager the proposed split, its cost against single sourcing and the stock needed for each part still on one supplier. Record the decision per part and the date to review it.
- 05
Place the change
Send engineering the second sources to qualify and chase each qualification to a date. Once a source qualifies, send the approved volumes to both suppliers and record the split in purchasing.
- Email Inbox
- Part sourcing records
- Supplier and purchasing records
What counts as complete
Every part that can stop a line has a qualified second source with volume on order, or an approved stock level that lasts until one qualifies.
Decisions and exceptions
- A new supplier goes through engineering qualification before it gets volume.
- A sanctions or name match goes to compliance before anyone contacts the supplier.
- A part kept on one supplier for cost or technical reasons is recorded with the stock that covers it.
What to measure
- Line-stopping parts with one supplier
- Days of production covered per part
- Time to qualify a second source
- Cost of the split against single sourcing
Establish the baseline and review period before launch. Compare completed cases, unresolved work and reviewer corrections against the same scope.
The agent’s tool basket
OneShot gives its agents the tools to analyze records, communicate, research and act on authorized business data. The platform carries the workflow from the first action through to the recorded result.
Supplier site and part records
Read active suppliers, each production site address, the parts it supplies, stock cover and approved alternates; record the category manager’s decision and recheck date.
Part sourcing records
Read each part’s suppliers, volumes, unit prices and the models and plants that use it; record the approved split per supplier and qualification dates.
Supplier and purchasing records
Read eligible suppliers and approved commercial boundaries; record buyer-approved terms.
Workflow pricing
Scope the full workflow around your volume, business systems and required outcome.
Discuss workflow pricing →