2021 Kenworth W900 Recalls

Recalls on record Updated July 2026

The 2021 Kenworth W900 has 3 NHTSA recall campaigns affecting an estimated 5,070 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 1 complaint with NHTSA, most often about the unknown or other. Last updated July 5, 2026.

Recall campaigns

SEAT BELTS 23V717000 2023-10-26 3,841 affected
Defect

PACCAR Incorporated (PACCAR) is recalling certain 2020 Kenworth T660, 2018-2024 Kenworth T800 and W900 vehicles. An additional spacer may have been added to the joint that connects the seat to the seat belt tether and buckle, causing an unsecured connection.

Consequence

An unsecured seat belt connection may not properly restrain an occupant during a crash, increasing their risk of injury.

Remedy

Dealers will inspect and remove the additional spacer and replace the bolt, as necessary, free of charge. Owner letters were mailed March 20, 2024. Owners may contact PACCAR's customer service at 1-425-828-5888. PACCAR's number for this recall is 23KWK.

ENGINE 21V080000 2021-02-17 132 affected
Defect

PACCAR Incorporated (PACCAR) is recalling certain 2021-2022 Kenworth T680, T880, W990, T800, W900 and Peterbilt 579, 567, 389, 367 vehicles equipped with a Cummins X15 engine. The capscrews that attach the flywheel to the crankshaft may have been improperly torqued, allowing the flywheel to detach.

Consequence

A detached flywheel can cause loss of drive power, increasing the risk of a crash. Additionally, driveline pieces may be ejected from the engine compartment, increasing the risk of injury.

Remedy

PACCAR will notify owners, and dealers will properly torque the capscrews and the engine will also be inspected for damage and, if necessary, repaired, free of charge. The recall began on March 29, 2021. Owners may contact PACCAR customer service at 1-425-828-5888 (Kenworth) or 1-940-591-4220 (Peterbilt). PACCAR's…

POWER TRAIN 20V506000 2020-08-26 1,097 affected
Defect

PACCAR Incorporated (PACCAR) is recalling certain 2020-2021 Peterbilt 348, 365, 367, 389, 520, 567 and Kenworth T800, T880, W900, W990 vehicles equipped with Watson and Chalin steerable lift axle suspension systems (model SL2065). The axles may have lower rear pivot bolts that are not long enough to sufficiently…

Consequence

The short screws can cause the hardware to separate from the suspension system and become road hazards, increasing the risk of a crash and/or injury.

Remedy

PACCAR will notify owners, and dealers will inspect suspect chassis and replace the pivot bolts, as necessary, free of charge. The recall began September 29, 2020. Owners may contact Kenworth customer service at 1-425-828-5888 and Peterbilt customer service at 1-940-591-4220. PACCAR's numbers for this recall is…

Complaints by component

UNKNOWN OR OTHER
1
Total complaints1

What owners report

Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.

“Transmission issues”

UNKNOWN OR OTHER · reported 2024-02-14
Sources & methodology

Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2021 Kenworth W900 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.