STRUCTURE:BODY
International Motors, LLC (International) is recalling certain 2016-2026 IC Bus CESB and 2016-2021 RESB school buses. The underfloor reinforcement may not have been installed, compromising the structural integrity of the buses. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) numbers 210, "Seat Belt Assembly Anchorages" and 222, "School Bus Passenger Seating and Crash Protection."
Remedy: Dealers will inspect and install a reinforcement channel as necessary, free of charge. Owner notification letters were mailed December 8, 2025. Owners may contact International customer service at 1-800-448-7825. International's number for this recall is 25514.
457 vehicles affected
SERVICE BRAKES, HYDRAULIC:FLUID
International Motors, LLC (International) is recalling certain 2016-2024 IC Bus CESB school buses. The brake pressure switch assembly may leak brake fluid into the brake pressure switch's electrical components and cause an electrical short-circuit.
Remedy: Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will install a silicone black jumper harness, free of charge. Owner notification letters were mailed December 15, 2025. Owners may contact International customer service at 1-800-448-7825. International's number for this recall is 25510. Vehicles previously repaired under 23V398 will need to have the new remedy completed.
16,553 vehicles affected
SERVICE BRAKES, HYDRAULIC:FLUID
Navistar, Inc. (Navistar) is recalling certain 2016 and 2018-2024 IC Bus CE school buses. The brake pressure switch assembly may leak brake fluid into the brake pressure switch's electrical components and cause an electrical short-circuit.
Remedy: Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will replace the brake pressure switch assembly and if necessary, the wire harness or fuse, free of charge. Owner notification letters were mailed September 29, 2023. Owners may contact Navistar's customer service at 1-800-448-7825. Navistar's number for this recall is 23518.
15,398 vehicles affected
STRUCTURE:EMERGENCY:ESCAPE/EGRESS/EXIT
Navistar, Inc. (Navistar) is recalling certain 2014 IC Bus CE, 2019 IC Bus CE, and 2022 IC Bus CE school buses. These buses are not equipped with enough emergency exits. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 217, "Bus Emergency Exits and Window Retention and Release."
Remedy: Dealers will install two additional emergency exit windows, free of charge. Owner notification letters were mailed on August 6, 2021. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 21506.
33 vehicles affected
FUEL SYSTEM, DIESEL: PRE-HEATER
Navistar, Inc. (Navistar) is recalling certain 2017-2021 IC CE School Buses equipped with Cummins B6.7 diesel engines with fuel module option number FS90301 or FS90453. The electric fuel heater within the fuel module may overheat and cause plastic in the fuel heater to melt and potentially catch fire. It may also lead to engine stalling.
Remedy: Cummins will notify the affected Navistar customers and dealers will disable the fuel heater by either installing a plug in place of the heater or otherwise rendering the fuel heater non-operable and remove the fuse supplying electrical power to the fuel heater and install a cover over the wire harness connector, free of charge. The recall began May 28, 2020. Owners may contact Cummins customer service at 1-800-286-6467.
23,299 vehicles affected
SERVICE BRAKES, AIR:DISC:CALIPER
Navistar, Inc. (Navistar) is recalling certain 2016-2020 IC CE and 2019 IC RE school buses equipped with Bendix ADB 22X brake calipers. The driver side rear brakes may drag.
Remedy: Navistar will notify owners, and dealers will replace the left rear caliper with a redesigned adjuster mechanism, free of charge. The recall began July 12, 2019. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 19506.
2,620 vehicles affected
FUEL SYSTEM, DIESEL: PRE-HEATER
Navistar, Inc. (Navistar) is recalling certain 2017-2020 International DuraStar and WorkStar, 2018-2020 IC Bus CECB, International HV and MV, 2018-2019 IC Bus 1300 FBC and HCCB, and 2019-2020 IC Bus TCCB vehicles equipped with Cummins B6.7 diesel engines with fuel module option number FS90301 or FS90453. The electric fuel heater within the fuel module may overheat and cause plastic in the fuel heater to melt and potentially catch fire. It may also lead to engine stalling.
Remedy: Cummins will notify the affected Navistar owners. Cummins dealers will replace the fuel heater with a newly designed fuel heater, free of charge. The recall began May 2, 2019. Owners may contact Cummins customer service at 1-800-286-6467 or Navistar customer service at 1-800-448-7825.
23,122 vehicles affected
FUEL SYSTEM, DIESEL: PRE-HEATER
Navistar, Inc. (Navistar) is recalling certain 2017-2020 IC Bus CESB school buses equipped with Cummins B6.7 diesel engines with fuel module option number FS90301 or FS90453. The electrical wiring within the fuel heater may overheat and may cause plastic in the fuel heater to melt and potentially catch fire. It may also lead to engine stalling.
Remedy: Cummins will notify the affected Navistar owners. Cummins dealers will replace the fuel heater with a newly designed fuel heater, free of charge. The recall began May 2, 2019. Owners may contact Cummins customer service at 1-800-286-6467 or Navistar customer service at 1-800-448-7825.
20,142 vehicles affected
SERVICE BRAKES, HYDRAULIC:BRAKE FLUID LOW WARNING: LAMP
Navistar, Inc. (Navistar) is recalling certain 2019-2020 IC Bus CE school buses equipped with hydraulic brakes. The brake pressure switch on these buses may become stuck possibly resulting in a false fault code and brake warning light on the instrument cluster.
Remedy: Navistar has notified owners, and dealers will inspect and replace any switch found from the suspect lot, free of charge. The recall began January 30, 2019. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 18520.
475 vehicles affected
SERVICE BRAKES, AIR
Navistar, Inc. (Navistar) is recalling certain 2019-2020 IC Bus CE school buses equipped with feature code 04AZS (4-channel Antilock Brakes, 4-channel Electronic Stability and Automatic Traction Control. The brake air line tube to the left brake modulator valve may have been improperly routed, possibly resulting in the line kinking, causing the vehicle to vehicle to pull to the right when braking or preventing the anti-lock brakes from functioning properly.
Remedy: Navistar will notify owners, and dealers will reroute the air line tube and replace any kinked tube, free of charge. The recall began December 20, 2018. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 18517.
187 vehicles affected
SERVICE BRAKES, AIR
Navistar, Inc. (Navistar) is recalling certain 2019 IC Bus CE and RE school buses equipped with long stroke brake chambers and spring actuated parking brakes. The spring actuated parking brake may be improperly crimped to the long stroke service brake chamber, causing a service brake air leak and the possible separation of the spring brake chamber from the service brake section.
Remedy: Navistar will notify owners, and dealers will replace the brake chamber assembly, free of charge. The recall began October 23, 2018. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 18513.
777 vehicles affected
EQUIPMENT ADAPTIVE/MOBILITY
Navistar, Inc. (Navistar) is recalling certain 2015-2019 IC Bus CE school buses, equipped with certain S-Series and K-Series Titanium Wheelchair Lifts, models K200, K201, K550, K551, S200, S2201, S550 and S551. The wheelchair lift positioning input cam may fail while the lift is in use, allowing the platform to travel higher than the vehicle's floor height.
Remedy: Navistar will notify owners, and IC Bus or Ricon dealers will replace the injection molded cam with an aluminum machined cam, free of charge. The recall began October 5, 2018. Owners may contact Navistar customer service at 1-800-448-7825.
631 vehicles affected
STRUCTURE:EMERGENCY:ESCAPE/EGRESS/EXIT
Navistar, Inc. (Navistar) is recalling certain 2018-2019 IC Bus CE and 2019 IC Bus RE school buses. The release mechanism on the emergency windows may be difficult to open in an emergency situation. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 217, "Bus Emergency Exits and Window Retention and Release."
Remedy: Navistar will notify owners, and dealers will apply dry lubricant to the latch assembly, free of charge. The recall began on June 13, 2018. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 18508.
7,859 vehicles affected
ELECTRONIC STABILITY CONTROL (ESC)
Navistar, Inc. (Navistar) is recalling certain 2019 IC Bus CE school buses equipped with feature code 04091 (dual air brake system) and 04AZS (Antilock Brake System (ABS) with 4 channel Electronic Stability Protection (ESP)). The air supply line to the SR7 roll stability valve may have been improperly routed to the ATR6 brake control valve steer axle delivery port, when it should be connected to the ATR6 brake control valve control port.
Remedy: Navistar will notify owners, and dealers will reroute the SR7 roll stability valve supply line to the ATR6 brake control valve control port, free of charge. The recall began on June 12, 2018. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 18506.
9 vehicles affected
SERVICE BRAKES, AIR
Navistar, Inc. (Navistar) is recalling certain 2019 IC Bus CE school buses equipped with feature code 04091 (dual air brake system) and 04AZS (Antilock Brake System (ABS) with 4 channel Electronic Stability Protection (ESP)). The air supply line to the SR7 roll stability valve may have been improperly routed to the ATR6 brake control valve steer axle delivery port, when it should be connected to the ATR6 brake control valve control port.
Remedy: Navistar will notify owners, and dealers will reroute the SR7 roll stability valve supply line to the ATR6 brake control valve control port, free of charge. The recall began on June 12, 2018. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 18506.
9 vehicles affected
FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
Navistar, Inc. (Navistar) is recalling certain 2016-2019 IC bus CE school buses equipped with 8.8L liquid propane gas (LPG) engines. The LPDM relay for the propane booster pump and the scavenge pump may intermittently fail, causing the fuel pump to stop.
Remedy: Navistar will notify owners, and dealers will replace the LPDM relay, free of charge. The recall began on April 12, 2018. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 18501.
1,047 vehicles affected
ELECTRICAL SYSTEM
Navistar, Inc. (Navistar) is recalling certain 2016-2019 IC bus CE school buses equipped with 8.8L liquid propane gas (LPG) engines. The LPDM relay for the propane booster pump and the scavenge pump may intermittently fail, causing the fuel pump to stop.
Remedy: Navistar will notify owners, and dealers will replace the LPDM relay, free of charge. The recall began on April 12, 2018. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 18501.
1,047 vehicles affected
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS
Navistar, Inc. (Navistar) is recalling certain 2018-2019 IC Bus CE school buses. The hydraulic brake hose on the steer axle may be improperly routed and, as a result, the brake hose may contact the tire.
Remedy: Navistar will notify owners, and dealers will correctly route the drop hose, replacing the drop hose if damage is found, free of charge. The recall began on October 11, 2017. Owners may contact Navistar customer service at 1-331-332-1590. Navistar's number for this recall is 17505.
228 vehicles affected