Navistar 2018-2019 International LT Trucks: Fuel Line Fire Risk
Navistar recalls 2018-2019 International LT trucks with Cummins ISX engines and Wabco 37.4 air compressors due to heat damage to fuel lines that could cause leaks and fires.
Use caution until it’s fixed
Continued heat damage to the fuel lines could cause the fuel lines to rupture, resulting in a fuel leak and increasing the risk of a fire.
What happened, in plain English
Navistar is recalling certain 2018-2019 International LT trucks with Cummins ISX engines and Wabco 37.4 air compressors. The air compressor discharge line may cause heat damage to fuel lines, which could rupture and lead to fuel leaks and fire risks. Read more at govinfonow.com/recall/1224024-navistar-2018-2019-international-lt-trucks-fuel-line-fire-risk.
Source Summary by GovInfoNow · govinfonow.com/recall/1224024-navistar-2018-2019-international-lt-trucks-fuel-line-fire-risk · Updated October 6, 2026 · Official notice: NHTSA #18V412000
Cite this page
“Navistar 2018-2019 International LT Trucks: Fuel Line Fire Risk.” GovInfoNow, updated October 6, 2026. https://govinfonow.com/recall/1224024-navistar-2018-2019-international-lt-trucks-fuel-line-fire-risk. Based on NHTSA recall #18V412000 (https://www.nhtsa.gov/recalls?nhtsaId=18V412000).
Why it’s dangerous
The air compressor discharge line can contact the fuel filter lines, generating heat that damages the fuel lines. This heat damage may cause the fuel lines to rupture, leading to fuel leaks and fire risks.
Who’s affected
Owners of 2018-2019 International LT trucks with Cummins ISX engines and Wabco 37.4 air compressors are affected. Truck owners using these vehicles without the fix are at higher risk of fire.
How to tell if you have this one
Check if your truck has a Wabco 37.4 air compressor and Cummins ISX engine. The recall covers 2018-2019 International LT models.
- Brand
Navistar- Category
Vehicle
What to do — step by step
Contact Navistar Customer Service
Call 1-800-448-7825 to schedule a replacement of the air compressor discharge line components.
Get Replacement Parts
Dealers will provide a 45-degree fitting and redesigned discharge line to replace the affected components at no cost.
What NHTSA says to do
Navistar will notify owners, and dealers will replace the straight fitting on the air compressor discharge line and the discharge line with a 45-degree fitting and a redesigned discharge line, free of charge. The recall began on July 20, 2018. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 18511.
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Where this comes from
The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
- Official source: NHTSA Recall #18V412000 (June 18, 2018)
- Plain-language summary written by qwen3:4b on October 6, 2026, from the official record above. Not reviewed by a person — if it conflicts with the NHTSA notice, the notice is correct. Report an error on this page.
- GovInfoNow is an independent service and is not a government agency. We republish official NHTSA recall data; we don’t issue, amend or administer recalls.