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Recall campaign04V406000

Recall 04V406000: 2004 Kenworth T300 and 1 other model

Engine and engine cooling
Report received
Aug 17, 2004
Manufacturer
Paccar incorporated
Potentially affected
106vehicles
Model years
2004

Check your own vehicle. A recall applies only to vehicles within the affected build range. Enter your VIN at nhtsa.gov/recalls. Recall repairs are free at a franchised dealer.

What NHTSA recorded

On certain trucks built with cummins isc and isl engines, plugs were assembled incorrectly creating stress and cracks which could cause an oil leak.

Possible consequence

This oil leakage has the potential to ignite and cause a fire in the engine compartment of the vehicle.

Remedy

Cummins will notify owners and arrange for installation of a steel cup plug boss cap. Owners should contact cummins at 1-800-343-7357.

Affected model years

Pages for each model year show complaints, parts, mileage and other recalls.

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.