{"nhtsa_id":11037451,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-09-23","date":"2026-09-05","document_id":"E343","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"An exhaust manifold slip joint seal kit is now available for EPA 2017-2024 PACCAR MX-13 engines.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037451-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037451-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11037451","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"T680","year_from":2017,"year_to":2027,"match":"exact","vehicle_ids":["2017_kenworth_t680","2018_kenworth_t680","2019_kenworth_t680","2020_kenworth_t680","2021_kenworth_t680","2022_kenworth_t680","2023_kenworth_t680","2024_kenworth_t680","2025_kenworth_t680","2026_kenworth_t680","2027_kenworth_t680"]},{"make":"KENWORTH","model":"T880","year_from":2017,"year_to":2027,"match":"exact","vehicle_ids":["2017_kenworth_t880","2018_kenworth_t880","2019_kenworth_t880","2020_kenworth_t880","2021_kenworth_t880","2022_kenworth_t880","2023_kenworth_t880","2024_kenworth_t880","2025_kenworth_t880","2026_kenworth_t880","2027_kenworth_t880"]},{"make":"KENWORTH","model":"T880B","year_from":2018,"year_to":2021,"match":"base","vehicle_ids":["2018_kenworth_t880","2019_kenworth_t880","2020_kenworth_t880","2021_kenworth_t880"]},{"make":"KENWORTH","model":"W990","year_from":2018,"year_to":2027,"match":"exact","vehicle_ids":["2018_kenworth_w990","2019_kenworth_w990","2020_kenworth_w990","2021_kenworth_w990","2022_kenworth_w990","2023_kenworth_w990","2024_kenworth_w990","2025_kenworth_w990","2026_kenworth_w990","2027_kenworth_w990"]},{"make":"PETERBILT","model":"389","year_from":2017,"year_to":2025,"match":"exact","vehicle_ids":["2017_peterbilt_389","2018_peterbilt_389","2019_peterbilt_389","2020_peterbilt_389","2021_peterbilt_389","2022_peterbilt_389","2023_peterbilt_389","2024_peterbilt_389","2025_peterbilt_389"]},{"make":"PETERBILT","model":"567","year_from":2017,"year_to":2027,"match":"exact","vehicle_ids":["2017_peterbilt_567","2018_peterbilt_567","2019_peterbilt_567","2020_peterbilt_567","2021_peterbilt_567","2022_peterbilt_567","2023_peterbilt_567","2024_peterbilt_567","2025_peterbilt_567","2026_peterbilt_567","2027_peterbilt_567"]},{"make":"PETERBILT","model":"579","year_from":2017,"year_to":2027,"match":"exact","vehicle_ids":["2017_peterbilt_579","2018_peterbilt_579","2019_peterbilt_579","2020_peterbilt_579","2021_peterbilt_579","2022_peterbilt_579","2023_peterbilt_579","2024_peterbilt_579","2025_peterbilt_579","2026_peterbilt_579","2027_peterbilt_579"]},{"make":"PETERBILT","model":"589","year_from":2024,"year_to":2027,"match":"exact","vehicle_ids":["2024_peterbilt_589","2025_peterbilt_589","2026_peterbilt_589","2027_peterbilt_589"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}