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Post 18 of 19

Marine Spare-Part Prices: How to Control Them Across a Fleet

Use one catalogue and line-level price history so purchasers can compare quotes and negotiate with evidence.

By Khalid Berrouayel · Published 18 October 2026

7 min read

A fleet buys the same filters, gaskets and pumps again and again, on different vessels, in different ports, from different suppliers. Without a shared view, every purchase is negotiated from scratch and the price paid depends on who placed the order and how urgent it was. Price control starts with knowing exactly what you buy and what you paid for it.

Why spare-part prices drift

Price drift is rarely one bad decision. It builds up from small gaps in data and process.

The same part is recorded under different descriptions on different vessels, so nobody sees it as one item.

Each vessel buys separately, so volumes are never combined.

Urgent orders accept the first quote that meets the delivery date.

Delivery, agency and handling charges are added on the invoice and never compared.

Prices in different currencies are hard to compare without a stated conversion basis.

Build one catalogue

Every price comparison depends on knowing that two lines are the same item.

Identify parts by maker and maker part number, and stores by IMPA code where one applies.

Link each item to the equipment it serves, so requisitions come from the catalogue rather than free text.

Merge duplicates and agree one unit of measure per item.

Make the catalogue the starting point of every requisition on board.

Keep price history at line level

A total per purchase order hides what you need. Store the history per line.

Quoted, ordered and invoiced price for each line, so you can see where prices changed.

Supplier, delivery port, date, currency and delivery terms.

Quoted and actual lead time.

How many quotations were received and which one was chosen.

Compare quotes like for like

A spreadsheet comparison of three emails is slow and easy to get wrong. A structured comparison puts the right facts next to each other.

Without a shared view

Quotes compared in a spreadsheet per order

Last price paid found by searching email

Delivery costs discovered on the invoice

Each vessel negotiates alone

With one view of products and prices

Quote lines matched to catalogue items

Last and average price shown per item and port

Delivery terms compared before award

Fleet volumes visible per supplier

Use the data in negotiations

Once prices and volumes are visible, purchasers can negotiate with evidence instead of impressions.

Show suppliers your annual volume per part family across the fleet.

Compare prices for the same item between ports and suppliers.

Track supplier lead times and delivery reliability alongside price.

Agree framework prices for recurring items and flag orders or invoices above them.

In practice

At a ship-management company running Delta BI's Finance Automation, giving purchasers one view of products and prices brought better control of what was bought and paid, and it supported their negotiations with suppliers. Illustrative example, not a client figure: if the same filter element was bought in three ports at three different prices last quarter, the next requisition shows all three, and the purchaser starts the conversation from the lowest.

Next steps

Finance Automation keeps the catalogue, quotes and line-level prices in one workflow, from requisition to payment. Bring a sample of recent quotes and invoices, and we will show you what the price history looks like for your fleet.

References

  1. IMPA. IMPA Marine Stores Guide. International Marine Purchasing Association, accessed 2026. Read source
  2. CIPS. Category Management. Chartered Institute of Procurement & Supply, accessed 2026. Read source
  3. Microsoft. Accounts payable invoice matching overview. Microsoft Learn, accessed 2026. Read source

Explore the connected workflow

Maritime Procure-to-Pay & Finance AutomationMaritime Procurement Process: Requisition to PaymentAI in Maritime Procurement: Where It Helps PurchasersDiscuss this workflow

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