For U.S. Isuzu commercial trucks, call Owner Relations at 1-866-441-9638, Monday–Friday, 6 a.m.–5 p.m. Pacific. For older Isuzu passenger vehicles, Isuzu’s Truck Service website directs owners to 1-800-255-6727. Choose the route for your vehicle before requesting parts, service or recall help.
Isuzu USA support numbers
The official contact listings below were checked November 10, 2026. Phone lines were not test-called.
| Purpose | Official route | Scope |
|---|---|---|
| Commercial-truck owner questions | 866-441-9638; Owner Relations contact page | Commercial vehicles; weekdays, 6 a.m.–5 p.m. Pacific. |
| Commercial-truck roadside assistance | 866-441-9659 | 24/7 assistance; eligibility and charges depend on coverage. |
| Passenger-vehicle information | 800-255-6727 | Separate passenger-vehicle number published by Isuzu Truck Service; current hours are not stated there. |
| TruckService website access | 888-866-4272 | Technical website support, weekdays 9 a.m.–5 p.m. Eastern; not the general vehicle-repair line. |
Commercial trucks versus passenger vehicles
Tell the representative the model, model year and whether your vehicle is a commercial truck or a passenger vehicle. The commercial-truck website covers products such as the N-Series and F-Series. Do not assume a commercial-truck dealer can service an older SUV or passenger pickup; confirm that it supports your model before arranging a visit.
The passenger route above is supported by the current Isuzu Truck Service listing. That site also points to IsuzuSource.com, but we could not verify that destination’s availability during this check. Use the published passenger-vehicle telephone route if the linked resource does not load.
Find a dealer for service and parts
Use the authorized Isuzu commercial-truck dealer locator for a nearby service location. Before booking, give the dealer your VIN, mileage, vehicle model and the work needed. Confirm that it can perform the repair and check parts availability. For bodywork or equipment installed by an upfitter, ask which company is responsible for that component.
Roadside assistance
Isuzu’s commercial-truck roadside program lists 866-441-9659 for round-the-clock assistance in the U.S. and Canada. Coverage differs by model and warranty. The program can also arrange help for an uncovered need, with the transaction coordinated between you and the provider. Confirm costs and the towing destination before authorizing service. Roadside assistance is not a substitute for emergency services when someone is injured or in immediate danger.
Check recalls for your VIN
Use the Isuzu commercial-truck recall lookup to check your VIN, then contact a dealer about any applicable work. A model appearing in a campaign list does not establish that your individual vehicle has an open recall. If the lookup fails, ask the dealer or Owner Relations to check the VIN and whether the repair has already been completed.
Warranty and repair questions
Give the servicing dealer your repair order, mileage, dates and a clear description of the symptom. Ask which warranty or service coverage applies and request an estimate for any work that is not covered. If the explanation is unclear, ask the service manager for a written diagnosis and coverage decision before escalating to Owner Relations. Do not assume a repair is free solely because a similar model has a recall.
Escalate an unresolved owner concern
Start with the dealership’s service manager, then contact the appropriate Isuzu owner-support route with the dealer name, repair-order number, dates and the outcome you are requesting. Ask for a case number and keep follow-up notes. Share your VIN and documents privately with the authorized team rather than posting them in a public comment.
Common questions
Which number is for an Isuzu commercial truck?
Owner Relations is 866-441-9638. Roadside assistance has a separate number, 866-441-9659.
Where can owners of older passenger vehicles start?
Isuzu Truck Service directs passenger-vehicle inquiries to 800-255-6727. Identify your model and model year before arranging service.
Is the roadside number a guarantee of free towing?
No. Coverage depends on the vehicle, warranty and reason for assistance. Confirm eligibility and any charges with the program.
Share your Isuzu support experience
Use the review section below to describe which support route you contacted and how the issue was handled. The live module supplies current review counts and ratings. CustomerServiceNumbers.com is independent of Isuzu and cannot access service cases, determine recall eligibility or approve warranty repairs.