Cummins Gaskets & Seals — part numbers

443 numbers covering head gaskets, gasket sets, oil seals, O-rings, liner seals, exhaust and manifold gaskets, and the sealing hardware that goes with them across all families in the catalogue.

Gaskets are low-value parts that cause high-value downtime, which makes them the most sensible thing on this site to hold in local stock. A set grounded in Berbera waiting on a head gasket is losing far more per day than the gasket costs, and unlike most categories here the shelf life is effectively indefinite. If you are running plant on site, this is the category to buy ahead of.

The ordering trap in this category is the difference between a single gasket, a head set, and a full overhaul set. These are three different purchases and they are frequently confused in enquiries. A head set covers what you open when you take the head off; an overhaul set covers everything you open in a full strip. Ordering a head gasket when the job is an overhaul means a second shipment mid-job, which is the expensive outcome. Tell us the scope of work and we will quote the right level.

On tier, quality branded aftermarket gasket sets are widely available and generally good — the materials and the manufacturing are not exotic. We quote them openly. The exception is head gaskets on the large KTA families running high cylinder pressures, where we recommend genuine and will say so on the quotation.

For a quotation, send the engine serial and CPL and tell us the job. For a single seal, a photograph of the old part in place with something for scale usually resolves it faster than a part number search.