NHTSA recall · Reported August 17, 2004
KENWORTH,PETERBILT 2004: ENGINE AND ENGINE COOLING
ON CERTAIN TRUCKS BUILT WITH CUMMINS ISC AND ISL ENGINES, PLUGS WERE ASSEMBLED INCORRECTLY CREATING STRESS AND CRACKS WHICH COULD CAUSE AN OIL LEAK.
Kenworth,Peterbilt recalled ON CERTAIN TRUCKS BUILT WITH CUMMINS ISC AND ISL ENGINES, PLUGS WERE ASSEMBLED INCORRECT….
KENWORTH,PETERBILT 2004: ENGINE AND ENGINE COOLING was recalled by Kenworth,Peterbilt in August 17, 2004. Reason: ON CERTAIN TRUCKS BUILT WITH CUMMINS ISC AND ISL ENGINES, PLUGS WERE ASSEMBLED INCORRECTLY CREATING STRESS A…. Remedy: CUMMINS WILL NOTIFY OWNERS AND ARRANGE FOR INSTALLATION OF A STEEL CUP PLUG BOSS CAP. OW…. Verify recall #04V406000 with the NHTSA before acting.
The recall
Kenworth,Peterbilt issued this NHTSA recall-ON CERTAIN TRUCKS BUILT WITH CUMMINS ISC AND ISL ENGINES, PLUGS WERE ASSEMBLED INCORRECTLY CREATING STRESS A….
- None
- agency class
- August 17, 2004
- reported
Sourced from official NHTSA enforcement records. Verify recall #04V406000 with the agency before acting. Full product description, hazard, remedy, and related recalls are below.
Recall Insight
The number of affected units is not disclosed in the agency filing, which is common for drug and food recalls where lot-level tracking supersedes unit counts. Distribution scope (see Distribution below) directly affects the consumer exposure window and determines whether a recall remains regional or escalates into a nationwide advisory. Consumers holding this product should act on the agency's documented remedy above rather than relying on general guidance.
Within the same product category the archive holds 6 closely related recalls, 3 from NHTSA - clustering in a narrow category often points to a systemic quality-control or supplier issue rather than a one-off defect. Always verify the recall number against the official agency record before acting.
Vehicles recalls over time
Where this recall sits in its category - 7,783 vehicles recalls on record
Product description
ON CERTAIN TRUCKS BUILT WITH CUMMINS ISC AND ISL ENGINES, PLUGS WERE ASSEMBLED INCORRECTLY CREATING STRESS AND CRACKS WHICH COULD CAUSE AN OIL LEAK.
Reason for recall
ON CERTAIN TRUCKS BUILT WITH CUMMINS ISC AND ISL ENGINES, PLUGS WERE ASSEMBLED INCORRECTLY CREATING STRESS AND CRACKS WHICH COULD CAUSE AN OIL LEAK.
Hazard
THIS OIL LEAKAGE HAS THE POTENTIAL TO IGNITE AND CAUSE A FIRE IN THE ENGINE COMPARTMENT OF THE VEHICLE.
Remedy, what to do
CUMMINS WILL NOTIFY OWNERS AND ARRANGE FOR INSTALLATION OF A STEEL CUP PLUG BOSS CAP. OWNERS SHOULD CONTACT CUMMINS AT 1-800-343-7357.
Recall Profile
| Attribute | Value |
|---|---|
| Agency | National Highway Traffic Safety Administration |
| Severity class | Not classified by agency |
| Status | Active |
| Recall number | 04V406000 |
| Date reported | August 17, 2004 |
| Date initiated | August 17, 2004 |
| Recalling firm | Kenworth,Peterbilt |
| Affected scope | Not disclosed |
| Distribution | United States |
| Official source | NHTSA notice → |
Profile values are sourced directly from the official NHTSA enforcement record. Source: National Highway Traffic Safety Administration.
What to do with this recall
CUMMINS WILL NOTIFY OWNERS AND ARRANGE FOR INSTALLATION OF A STEEL CUP PLUG BOSS CAP. OWNERS SHOULD CONTACT CUMMINS AT 1-800-343…
- Check the recall number (04V406000) and product description against the item you own. Search the archive
- Confirm the current status and remedy on the official NHTSA notice before acting. NHTSA notice
- Follow the documented remedy (refund, replacement, repair, or disposal) rather than general advice. What to do next
This page summarizes the official NHTSA record for research and awareness; it is not legal, medical, or safety advice. Verify with the issuing agency before acting.
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Nationwide recalls with similar severity or category timing
Vehicle and equipment notices outside this manufacturer and filing state, matched by archive severity grade and report timing.
Similar severity · nearest report date
Same archive severity grade, closest by report date among other firms and states.
Similar Vehicles · nearest report date
Same product category, closest by report date among other firms and states (deduped against the severity set).
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Methodology · Corrections · Archive as of August 2026