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1974 International Harvester 1603
3 recall campaigns and 0 complaints are on NHTSA's register for the 1974 International Harvester 1603; the recalls concern service brakes, air, service brakes, hydraulic and vehicle speed control.
No consumer complaints for this model year are in the NHTSA file.
Complaints are consumer reports and have not been verified by NHTSA. Recall text is the manufacturer's Part 573 report as filed with NHTSA. Complaint file through 15 May 2019; recall file through 29 Sep 2026.
Recalls by model year:
Recall campaigns
- 74V242000SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGSReported 10 Dec 1974 · 500 units
Filed by NAVISTAR INTL CORP..
- 74V155000SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM:HOSES, LINES/PIPING, AND FITTINGSReported 16 Sep 1974 · 7,980 units
Filed by NAVISTAR INTL CORP..
Filed by NAVISTAR INTL CORP..
Each entry links to the NHTSA record. NHTSA states that safety recall repairs are free of charge at an authorised dealer; check a specific vehicle by VIN at nhtsa.gov/recalls.
Complaints by component
No consumer complaints for this model year are in the NHTSA file.
Investigations
No NHTSA Office of Defects Investigation action in the current file names this model year.
Other International Harvester 1603 model years
| Model year | Recalls | Complaints | Units in campaigns |
|---|---|---|---|
| 1968 | 2 | 0 | 807 |
| 1974 | 3 | 0 | 16,288 |
Model years with a single campaign and fewer than 25 complaints have no page here; the NHTSA link opens the agency's record for that year.
All International Harvester 1603 model years · International Harvester: 114 model lines
Questions and answers
How many recalls does the 1974 International Harvester 1603 have?
3 NHTSA recall campaigns name this model year; the most recent, 74V242000, was reported to NHTSA on 10 Dec 1974 and concerns service brakes, air:supply:hoses, lines/piping, and fittings. Across all model years the International Harvester 1603 line has 5 campaigns.
Is there an open NHTSA investigation into the 1974 International Harvester 1603?
No NHTSA investigation in the current file names this model year.
What component do owners of the 1974 International Harvester 1603 complain about most?
No complaints for this model year are in the NHTSA file.
How do I get a recall repaired?
NHTSA states that safety recall repairs are performed free of charge by the manufacturer's authorised dealers. Each campaign's remedy text above is the manufacturer's statement as filed with NHTSA. Check your VIN at nhtsa.gov/recalls to see whether a specific vehicle has an unrepaired recall.
Where does this data come from?
NHTSA's Office of Defects Investigation recall, complaint and investigation flat files, public domain, downloaded 29 Sep 2026. Complaint counts are unique complaint numbers per make, model and model year; component figures count each component a complaint names. The NHTSA record linked from each campaign is authoritative.
Provenance
Source: National Highway Traffic Safety Administration, Office of Defects Investigation flat files (recalls, complaints, investigations), public domain, files dated 29 Sep 2026 (recalls) and 15 May 2019 (complaints). Complaints since 1 Jan 1995. Counts are unique complaint numbers per make, model and model year; per-1,000 rates divide a component's mentions by all mentions for the same group. Errors in processing are corrected at the next daily build; see corrections and the methodology.