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#BS-2003-KENT80-174A2003 Kenworth T800
Based on reports from 1 owners and 7 recalls for this exact model.
Preliminary Verdict
Green Light
Based on 1 complaints, 0 crashes, 0 fires, and 7 recalls.
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Mechanic Inspection Checklist
1 owners reported exterior lighting:headlights issues.
30,000-Mile Cost Projection
Best Case
Most Likely
Worst Case
Top cost driver: Exterior Lighting:headlights (1 reports).
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Owner Intelligence
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Buyer Lot Checklist
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Negotiation Talking Points
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Buy / Skip Verdict
Final recommendation with conditions
Where the complaints fall
2003 Kenworth T800: Known Issues & Problem Areas
Exterior Lighting:headlights Issues
Exterior Lighting:headlights complaints account for 100% of all reports filed for the 2003 Kenworth T800, with 1 owners filing complaints with NHTSA.
Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.



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Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict
Recall History (7 recalls)
EXTERIOR LIGHTING
CERTAIN TRUCKS EQUIPPED WITH TRAILER CONNECTIONS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARDS (FMVSS) NO. 121, "AIR BRAKE SYSTEMS," AND NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT." THE SUPPLIER REMOVED A RUBBER GROMMET FROM THE TRAILER LIGHT LINE CONNECTOR. THE VEHICLES ARE EXPERIENCING CORROSION AT THE 7-WAY TRAILER CONNECTION. THIS CAUSES INTERMITTENT FLASHING/FLICKERING OF THE TRAILER LIGHTS.
SERVICE BRAKES, AIR
CERTAIN TRUCKS EQUIPPED WITH MERITOR P 18X7 BRAKES WITH 36" BRAKE CHAMBERS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD (FMVSS) NO. 121, "AIR BRAKE SYSTEMS." THESE TRUCKS WERE MANUFACTURED WITH A COMBINED AIR RESERVOIR VOLUME LESS THAN 12 TIMES THE COMBINED VOLUME OF ALL SERVICE BRAKE CHAMBERS.
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.
UNKNOWN OR OTHER
ON CERTAIN HEAVY DUTY TRUCKS EQUIPPED WITH VERTICAL TAIL PIPES, THE FRAME ACCESS GRABHANDLE IS MOUNTED TOO HIGH.
ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS
ON CERTAIN HEAVY DUTY TRUCKS, THE MAIN CAB WIRING HARNESS WAS INCORRECTLY CONNECTED TO THE 50 AMP CIRCUIT BREAKER INSTEAD OF THE 135 AMP BREAKER.
+ 2 more recalls in the full report
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. 1 records for this vehicle.
NHTSA Recalls
Manufacturer-issued safety recalls. 7 recalls found for this vehicle.
Repair Cost Data
Real-world repair costs from owner reports and independent databases.
Other Kenworth T800 Model Years
2003 Kenworth T800: Frequently Asked Questions
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10 sections of AI analysis based on 1 owner reports. Know before you buy.