Vehicle recall 04V406000 · August 17, 2004
Peterbilt 330 and Kenworth T300
On certain trucks built with cummins isc and isl engines, plugs were assembled incorrectly creating stress and cracks which could cause an oil leak.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- On certain trucks built with cummins isc and isl engines, plugs were assembled incorrectly creating stress and cracks which could cause an oil leak.
- 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.
- Notes
- Kenworth recall no. 04KW4 & peterbilt recall no. 804-d.customers can also contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-dot (1-888-327-4236).
Recall details
- NHTSA campaign
- 04V406000
- Reported to NHTSA
- August 17, 2004
- Filed by
- PACCAR INCORPORATED
- Manufacturer campaign
- 04KW4 & 804-D
- Vehicles potentially affected
- 106
- Initiated by
- the manufacturer
- Components
- Engine and engine cooling
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Kenworth T300 (2004): 2004
- Peterbilt 330 (2004): 2004
Has your Kenworth been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Kenworth dealer can also check your VIN. Recall repairs are free.