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Campaign 21V386 Posted May 25, 2021 164 units

2017-2020 Seagrave Marauder/Attacker/Capital Recall 21V386

RN
Reviewed by the RecallNotify editorial team
Published May 23, 2026

Recall 21V386 covers 164 2017-2020 Seagrave Marauder, Attacker, and Capital vehicles for a fuel rail leak. Free repair at a Seagrave dealer.

Seagrave is recalling 164 2017-2020 Marauder, Attacker, and Capital vehicles because a sealing washer can seat incorrectly and let the high-pressure fuel rail assembly leak. A fuel leak near an ignition source increases the risk of fire, and the Seagrave dealer repair will be free once available.

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What's wrong?

The high pressure fuel rail assembly on 2017-2020 Seagrave Marauder, Attacker, and Capital vehicles is part of the diesel common rail fuel system. It holds pressurized fuel and feeds it evenly to the engine injectors, so the engine receives the right amount of diesel while running.

On these vehicles, the sealing washer in the fuel rail does not seat correctly in the pilot bore holes. Cummins traced the problem to rail end sealing bores with pilot bores that are too small, which keeps the washer from clamping the joint tightly enough. When that joint loses its seal, high pressure diesel fuel can leak from the rail assembly.

Owners or operators can see diesel fuel or smell diesel fuel near the vehicle. In some vehicles, the check engine lamp turns on before the leak is found.

Who's affected?

Spans three Seagrave fire apparatus lines from 2017-2020, all tied to the same high pressure fuel rail assembly.

2020 Seagrave Marauder fuel system
2018 Seagrave Marauder fuel system
2018 Seagrave Attacker fuel system
2019 Seagrave Capital fuel system
2017 Seagrave Attacker fuel system
Units affected164
Field incidentsNHTSA has logged no field incidents to date.

The year and model narrow the scope, but the VIN decides. Check your VIN to confirm whether your specific truck is included.

What's the safety risk?

A diesel fuel leak near an ignition source increases the risk of fire. If you see or smell diesel fuel, or the check engine lamp comes on, park in a safe place and call a Seagrave dealer before putting the vehicle back in service. Repair will be free at any franchised Seagrave dealer once available.

What should I do?

  1. Check your VIN to confirm your 2017-2020 Seagrave Marauder, Attacker, or Capital is included in this recall.
  2. Review Seagrave's owner letter mailed June 18, 2021 before scheduling final recall work.
  3. Contact a franchised Seagrave dealer to ask about the free fuel-rail inspection and rail replacement that fixes the leak path at the sealing washer.
  4. Reference recall number 21V386 when you call the dealer or Seagrave customer service.
  5. Keep the vehicle away from ignition sources if you smell fuel, see a fuel leak, or suspect a diesel fuel rail leak.

What happens at the repair

At the dealer, a Seagrave technician will inspect the high pressure fuel rail threads and replace the rail if the inspection shows the rail needs replacement. Because the remedy is still listed as under development, the final dealer repair will be free once available. Do not treat this as a repair you can schedule until Seagrave opens it. Seagrave says a recall specific reimbursement plan will cover eligible units not covered by the manufacturer's limited warranty. If you already paid for a related fuel rail repair, contact Seagrave customer service and ask for that plan before submitting documentation.

ReimbursementReimbursement available

Timeline

May 25, 2021 NHTSA published the recall
June 18, 2021 Owner notification mailed
June 19, 2021 Interim owner notification (was planned for this date)

Frequently asked questions

What is recall 21V386?

Recall 21V386 covers 164 2017-2020 Seagrave Marauder, Attacker, and Capital vehicles with a high-pressure fuel rail sealing washer that can seat incorrectly and allow a fuel leak. Seagrave dealers inspect the rail threads and replace the rail as needed for free.

What should I do if my 2017-2020 Seagrave Marauder, Attacker, or Capital is on this recall?

Check your VIN to confirm your specific vehicle is included in recall 21V386. If it is, contact a franchised Seagrave dealer or Seagrave customer service at 1-877-777-5360 to arrange the fuel rail inspection. Reference recall 21V386 when you call.

Is the recall repair free?

Yes. Federal recall law requires the manufacturer to repair the defect at no cost. For recall 21V386, Seagrave dealers inspect the fuel rail threads and replace the rail as necessary free of charge.

What is the safety risk?

The safety risk is fire. If the high-pressure fuel rail assembly leaks and the fuel reaches an ignition source, the vehicle has an increased fire risk. Treat any diesel fuel odor or visible leak as a service issue and contact Seagrave before putting the vehicle back in service.

When were owners notified about recall 21V386?

Seagrave mailed owner notification letters on June 18, 2021. If you bought the vehicle after that date or manage a fleet record that changed hands, check your VIN and contact Seagrave with recall 21V386 to confirm the repair status.

More information

NHTSA campaign pagenhtsa.gov/vehicle-recalls/21V386000
Seagrave customer service1-877-777-5360
NHTSA recall #21V386
NHTSA recall # (full)21V386000

Source documents

This article is generated from NHTSA's primary recall filings and reviewed against the source on May 23, 2026. RecallNotify does not paraphrase NHTSA's consequence language; that text is reproduced as written above. Editorial standards →