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#BS-2003-PET379-5C3B2003 Peterbilt 379
Based on reports from 3 owners and 5 recalls for this exact model.
Preliminary Verdict
Green Light
Based on 3 complaints, 0 crashes, 0 fires, and 5 recalls.
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Mechanic Inspection Checklist
1 owners reported wheels:lugs/nuts/bolts/studs issues.
30,000-Mile Cost Projection
Best Case
Most Likely
Worst Case
Top cost driver: Wheels:lugs/nuts/bolts/studs (1 reports).
Also in your report
Owner Intelligence
AI-synthesized themes from real complaints
Buyer Lot Checklist
Questions, test drive checks, walk-away triggers
Negotiation Talking Points
Data-backed dollar deductions
Buy / Skip Verdict
Final recommendation with conditions
Where the complaints fall
2003 Peterbilt 379: Known Issues & Problem Areas
Wheels:lugs/nuts/bolts/studs Issues
Wheels:lugs/nuts/bolts/studs complaints account for 33% of all reports filed for the 2003 Peterbilt 379, with 1 owners filing complaints with NHTSA.
Engine And Engine Cooling:engine Issues
Engine And Engine Cooling:engine complaints account for 33% of all reports filed for the 2003 Peterbilt 379, with 1 owners filing complaints with NHTSA. Owners should pay attention to engine and engine cooling:engine-related symptoms during test drives and pre-purchase inspections.
Fuel System, Diesel:storage:tank Assembly Issues
Fuel System, Diesel:storage:tank Assembly complaints account for 33% of all reports filed for the 2003 Peterbilt 379, with 1 owners filing complaints with NHTSA. Owners should pay attention to fuel system, diesel:storage:tank assembly-related symptoms during test drives and pre-purchase inspections.
Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.
Complaint trend by year
Complaints filed with NHTSA by year for the 2003 Peterbilt 379. Recent trend: stable.
Don't negotiate blind — know what this car costs to own
Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict
Recall History (5 recalls)
TRAILER HITCHES:FIFTH WHEEL ASSEMBLY
ON CERTAIN TRUCKS EQUIPPED WITH JOST INTERNATIONAL JSK 37U SERIES FIFTH WHEELS, A FATIGUE CRACK CAN DEVELOP IN THE BRACKET PIN WELD UNDER CERTAIN LOADING CONDITIONS.
POWER TRAIN:AXLE HUBS
ON CERTAIN HEAVY DUTY TRUCKS, THE LOCKING TAB THAT LOCKS THE OUTER SPINDLE NUT ONTO THE SPINDLE WAS NOT ENGAGED OR PROPERLY BENT OVER.
SERVICE BRAKES, AIR:SLACK ADJUSTERS
ON CERTAIN TRUCKS EQUIPPED WITH MERITOR 15X4 FRONT BRAKES AND DANA E1200 STEER AXLE, THE LEFT BRAKE CANNOT FULLY APPLY OR IT WOULD BECOME STUCK AND NOT RELEASE.
STEERING:LINKAGES:KNUCKLE:SPINDLE:ARM
ON CERTAIN TRUCKS EQUIPPED WITH DANA SPICER INTEGRAL KNUCKLE AND STEER ARM ASSEMBLIES, THE STEER AXLE ASSEMBLIES MAY HAVE A LONGITUDINAL CRACK IN THE STEER ARM.
SERVICE BRAKES, AIR
ON CERTAIN NON-ABS EQUIPPED TRUCKS, AN AIR HOSE BETWEEN THE TRACTOR PROTECTION VALVE AND THE BACK OF THE CAB BULKHEAD WAS OMITTED.
Recall severity analysis & seller scripts
The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.
About this data
NHTSA Complaints
Federal database of owner-filed safety complaints. 3 records for this vehicle.
NHTSA Recalls
Manufacturer-issued safety recalls. 5 recalls found for this vehicle.
Repair Cost Data
Real-world repair costs from owner reports and independent databases.
Other Peterbilt 379 Model Years
2003 Peterbilt 379: Frequently Asked Questions
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Does the 2003 Peterbilt 379 have any recalls?
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What’s in the full report?
How is this different from free NHTSA data?
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Get the Full 2003 Peterbilt 379 Report
10 sections of AI analysis based on 3 owner reports. Know before you buy.