{"title":"Aftertreatment Assemblies","description":"\u003cp\u003eEvery aftertreatment assemblies listing at Second Truck Parts is identified by brand and manufacturer part number, with its condition — new, remanufactured, or used — stated right on the listing. Part of our emissions \u0026amp; aftertreatment range. Most parts carry our 90-day warranty, returns are accepted for 30 days with an RA number, and our team verifies fitment free before you buy: send your VIN or engine serial and we confirm it fits.\u003c\/p\u003e\u003cp\u003eDon't see the exact part? Call \u003cstrong\u003e(877) 898-0737\u003c\/strong\u003e (Mon–Fri 8 AM–8 PM ET) or \u003ca href=\"\/pages\/request-a-quote\"\u003erequest a quote\u003c\/a\u003e — much of our inventory comes off salvage trucks in our own yard and may not be listed yet.\u003c\/p\u003e","products":[{"product_id":"4328792-genuine-cummins-aftertreatment-device","title":"Genuine Cummins Aftertreatment Device","description":"\u003cdiv class=\"std\"\u003e\n\u003ctable class=\"part-details\" style=\"width:100%; border-collapse:collapse; border:1px solid #000;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #000; padding:4px 6px;\"\u003e\u003cstrong\u003eDESCRIPTION\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #000; padding:4px 6px;\"\u003eAftertreatment Device\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #000; padding:4px 6px;\"\u003e\u003cstrong\u003eCONDITION\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #000; padding:4px 6px;\"\u003eUsed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #000; padding:4px 6px;\"\u003e\u003cstrong\u003eBRAND\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #000; padding:4px 6px;\"\u003eCummins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #000; padding:4px 6px;\"\u003e\u003cstrong\u003ePART NUMBER\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #000; padding:4px 6px;\"\u003e4328792\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #000; padding:4px 6px;\"\u003e\u003cstrong\u003ePART NUMBERS\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #000; padding:4px 6px;\"\u003e4328792; 4328792RX, 4328792-RX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cdetails style=\"margin: 10px 0; border: 1px solid #e5e5e5; border-radius: 4px; padding: 9px 11px;\"\u003e\u003csummary style=\"cursor: pointer; font-size: 16px; line-height: 1.25; font-weight: 600;\"\u003eFunction of this part\u003c\/summary\u003e\u003cdiv style=\"margin-top: 8px; font-size: 14px; line-height: 1.5;\"\u003e\u003cp\u003eThe aftertreatment system treats exhaust gases after they leave the engine using components such as the DOC, DPF, and SCR catalyst. It controls soot and NOx emissions by trapping particulates and converting harmful gases into less harmful compounds.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"margin: 10px 0; border: 1px solid #e5e5e5; border-radius: 4px; padding: 9px 11px;\"\u003e\u003csummary style=\"cursor: pointer; font-size: 16px; line-height: 1.25; font-weight: 600;\"\u003eWhy this part matters\u003c\/summary\u003e\u003cdiv style=\"margin-top: 8px; font-size: 14px; line-height: 1.5;\"\u003e\u003cp\u003eThese components are central to emissions compliance on modern diesel trucks. Problems in the aftertreatment system can cause frequent regens, power derates, and down-time until the fault is corrected.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"margin: 10px 0; border: 1px solid #e5e5e5; border-radius: 4px; padding: 9px 11px;\"\u003e\u003csummary style=\"cursor: pointer; font-size: 16px; line-height: 1.25; font-weight: 600;\"\u003eAbout the brand\u003c\/summary\u003e\u003cdiv style=\"margin-top: 8px; font-size: 14px; line-height: 1.5;\"\u003e\u003cp\u003eCummins engine parts are trusted for reliable power in a variety of heavy-duty truck and equipment applications.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"margin: 10px 0; border: 1px solid #e5e5e5; border-radius: 4px; padding: 9px 11px;\"\u003e\u003csummary style=\"cursor: pointer; font-size: 16px; line-height: 1.25; font-weight: 600;\"\u003eFitment \u0026amp; usage\u003c\/summary\u003e\u003cdiv style=\"margin-top: 8px; font-size: 14px; line-height: 1.5;\"\u003e\n\u003cp\u003eUsed OEM parts are a smart choice for controlling repair costs while still using original-equipment components. Always match the OEM part number(s) listed to your existing part, and consult your service manual, dealer, or technician if you are unsure about fitment.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote:\u003c\/em\u003e Because this is a used component, normal signs of wear such as scratches, discoloration, or light surface corrosion may be present. Refer to the product photos and information on Second Truck Parts for the best representation of the part you will receive.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Cummins","offers":[{"title":"Default Title","offer_id":43344410214447,"sku":"4328792","price":2999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0591\/7871\/3135\/files\/IMG_7853-Photoroom.jpg?v=1737605115"},{"product_id":"5418387-genuine-cummins-aftertreatment-device","title":"Genuine Cummins Aftertreatment Device","description":"\u003cdiv class=\"std\"\u003e\n\u003ctable class=\"part-details\" style=\"width:100%; border-collapse:collapse; border:1px solid #000;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #000; padding:4px 6px;\"\u003e\u003cstrong\u003eDESCRIPTION\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #000; padding:4px 6px;\"\u003eAftertreatment Device\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #000; padding:4px 6px;\"\u003e\u003cstrong\u003eCONDITION\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #000; padding:4px 6px;\"\u003eUsed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #000; padding:4px 6px;\"\u003e\u003cstrong\u003eBRAND\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #000; padding:4px 6px;\"\u003eCummins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #000; padding:4px 6px;\"\u003e\u003cstrong\u003ePART NUMBER\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #000; padding:4px 6px;\"\u003e5418387\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #000; padding:4px 6px;\"\u003e\u003cstrong\u003ePART NUMBERS\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #000; padding:4px 6px;\"\u003e5418387; A058H540, 5418387RX, 5418387NX, A059F152, 5418212\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cdetails style=\"margin: 10px 0; border: 1px solid #e5e5e5; border-radius: 4px; padding: 9px 11px;\"\u003e\u003csummary style=\"cursor: pointer; font-size: 16px; line-height: 1.25; font-weight: 600;\"\u003eFunction of this part\u003c\/summary\u003e\u003cdiv style=\"margin-top: 8px; font-size: 14px; line-height: 1.5;\"\u003e\u003cp\u003eThe aftertreatment system treats exhaust gases after they leave the engine using components such as the DOC, DPF, and SCR catalyst. It controls soot and NOx emissions by trapping particulates and converting harmful gases into less harmful compounds.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"margin: 10px 0; border: 1px solid #e5e5e5; border-radius: 4px; padding: 9px 11px;\"\u003e\u003csummary style=\"cursor: pointer; font-size: 16px; line-height: 1.25; font-weight: 600;\"\u003eWhy this part matters\u003c\/summary\u003e\u003cdiv style=\"margin-top: 8px; font-size: 14px; line-height: 1.5;\"\u003e\u003cp\u003eThese components are central to emissions compliance on modern diesel trucks. Problems in the aftertreatment system can cause frequent regens, power derates, and down-time until the fault is corrected.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"margin: 10px 0; border: 1px solid #e5e5e5; border-radius: 4px; padding: 9px 11px;\"\u003e\u003csummary style=\"cursor: pointer; font-size: 16px; line-height: 1.25; font-weight: 600;\"\u003eAbout the brand\u003c\/summary\u003e\u003cdiv style=\"margin-top: 8px; font-size: 14px; line-height: 1.5;\"\u003e\u003cp\u003eCummins engine parts are trusted for reliable power in a variety of heavy-duty truck and equipment applications.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"margin: 10px 0; border: 1px solid #e5e5e5; border-radius: 4px; padding: 9px 11px;\"\u003e\u003csummary style=\"cursor: pointer; font-size: 16px; line-height: 1.25; font-weight: 600;\"\u003eFitment \u0026amp; usage\u003c\/summary\u003e\u003cdiv style=\"margin-top: 8px; font-size: 14px; line-height: 1.5;\"\u003e\n\u003cp\u003eUsed OEM parts are a smart choice for controlling repair costs while still using original-equipment components. Always match the OEM part number(s) listed to your existing part, and consult your service manual, dealer, or technician if you are unsure about fitment.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote:\u003c\/em\u003e Because this is a used component, normal signs of wear such as scratches, discoloration, or light surface corrosion may be present. Refer to the product photos and information on Second Truck Parts for the best representation of the part you will receive.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Cummins","offers":[{"title":"Default Title","offer_id":43617738424367,"sku":"5418387","price":2299.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0591\/7871\/3135\/files\/IMG_4283-Photoroom_dfb69b17-2ce6-4472-905f-8410be0e0036.jpg?v=1754615126"},{"product_id":"4065383c1-genuine-international-hose-aftertreatment-system","title":"Genuine International Hose Aftertreatment System","description":"\u003cdiv class=\"std\"\u003e\n\u003ctable class=\"part-details\" style=\"width: 100%; border-collapse: collapse; border: 1px solid #000;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 4px 6px;\"\u003e\u003cstrong\u003eDESCRIPTION\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 4px 6px;\"\u003eHose Aftertreatment System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 4px 6px;\"\u003e\u003cstrong\u003eCONDITION\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 4px 6px;\"\u003eUsed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 4px 6px;\"\u003e\u003cstrong\u003eBRAND\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 4px 6px;\"\u003eInternational\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 4px 6px;\"\u003e\u003cstrong\u003ePART NUMBER\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 4px 6px;\"\u003e4065383C1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 4px 6px;\"\u003e\u003cstrong\u003ePART NUMBERS\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 4px 6px;\"\u003e4065383C1; 4065383C1, 4065383-C1, 4065383 C1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cdetails style=\"margin: 10px 0; border: 1px solid #e5e5e5; border-radius: 4px; padding: 9px 11px;\"\u003e\u003csummary style=\"cursor: pointer; font-size: 16px; line-height: 1.25; font-weight: 600;\"\u003eFunction of this part\u003c\/summary\u003e\u003cdiv style=\"margin-top: 8px; font-size: 14px; line-height: 1.5;\"\u003e\u003cp\u003eThe aftertreatment system treats exhaust gases after they leave the engine using components such as the DOC, DPF, and SCR catalyst. It controls soot and NOx emissions by trapping particulates and converting harmful gases into less harmful compounds.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"margin: 10px 0; border: 1px solid #e5e5e5; border-radius: 4px; padding: 9px 11px;\"\u003e\u003csummary style=\"cursor: pointer; font-size: 16px; line-height: 1.25; font-weight: 600;\"\u003eWhy this part matters\u003c\/summary\u003e\u003cdiv style=\"margin-top: 8px; font-size: 14px; line-height: 1.5;\"\u003e\u003cp\u003eThese components are central to emissions compliance on modern diesel trucks. Problems in the aftertreatment system can cause frequent regens, power derates, and down-time until the fault is corrected.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"margin: 10px 0; border: 1px solid #e5e5e5; border-radius: 4px; padding: 9px 11px;\"\u003e\u003csummary style=\"cursor: pointer; font-size: 16px; line-height: 1.25; font-weight: 600;\"\u003eAbout the brand\u003c\/summary\u003e\u003cdiv style=\"margin-top: 8px; font-size: 14px; line-height: 1.5;\"\u003e\u003cp\u003eInternational\/Navistar parts are used across a wide range of medium- and heavy-duty trucks in North American fleets.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"margin: 10px 0; border: 1px solid #e5e5e5; border-radius: 4px; padding: 9px 11px;\"\u003e\u003csummary style=\"cursor: pointer; font-size: 16px; line-height: 1.25; font-weight: 600;\"\u003eFitment \u0026amp; usage\u003c\/summary\u003e\u003cdiv style=\"margin-top: 8px; font-size: 14px; line-height: 1.5;\"\u003e\n\u003cp\u003eUsed OEM parts are a smart choice for controlling repair costs while still using original-equipment components. Always match the OEM part number(s) listed to your existing part, and consult your service manual, dealer, or technician if you are unsure about fitment.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote:\u003c\/em\u003e Because this is a used component, normal signs of wear such as scratches, discoloration, or light surface corrosion may be present. Refer to the product photos and information on Second Truck Parts for the best representation of the part you will receive.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e","brand":"International","offers":[{"title":"Default Title","offer_id":43623931740207,"sku":"4065383C1","price":129.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0591\/7871\/3135\/files\/IMG_4480-Photoroom_12e17d8d-0919-4106-8d39-a7abe1771fd2.jpg?v=1754615489"},{"product_id":"4064669c3-genuine-international-support-for-aftertreatment-device","title":"Genuine International Support For Aftertreatment Device","description":"\u003cdiv class=\"std\"\u003e\n\u003ctable class=\"part-details\" style=\"width:100%; border-collapse:collapse; border:1px solid #000;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #000; padding:4px 6px;\"\u003e\u003cstrong\u003eDESCRIPTION\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #000; padding:4px 6px;\"\u003eSupport For Aftertreatment Device\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #000; padding:4px 6px;\"\u003e\u003cstrong\u003eCONDITION\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #000; padding:4px 6px;\"\u003eUsed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #000; padding:4px 6px;\"\u003e\u003cstrong\u003eBRAND\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #000; padding:4px 6px;\"\u003eInternational\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #000; padding:4px 6px;\"\u003e\u003cstrong\u003ePART NUMBER\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #000; padding:4px 6px;\"\u003e4064669C3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #000; padding:4px 6px;\"\u003e\u003cstrong\u003ePART NUMBERS\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #000; padding:4px 6px;\"\u003e4064669C3; 4064669C2, 4064669C1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cdetails style=\"margin: 10px 0; border: 1px solid #e5e5e5; border-radius: 4px; padding: 9px 11px;\"\u003e\u003csummary style=\"cursor: pointer; font-size: 16px; line-height: 1.25; font-weight: 600;\"\u003eFunction of this part\u003c\/summary\u003e\u003cdiv style=\"margin-top: 8px; font-size: 14px; line-height: 1.5;\"\u003e\u003cp\u003eThe aftertreatment system treats exhaust gases after they leave the engine using components such as the DOC, DPF, and SCR catalyst. It controls soot and NOx emissions by trapping particulates and converting harmful gases into less harmful compounds.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"margin: 10px 0; border: 1px solid #e5e5e5; border-radius: 4px; padding: 9px 11px;\"\u003e\u003csummary style=\"cursor: pointer; font-size: 16px; line-height: 1.25; font-weight: 600;\"\u003eWhy this part matters\u003c\/summary\u003e\u003cdiv style=\"margin-top: 8px; font-size: 14px; line-height: 1.5;\"\u003e\u003cp\u003eThese components are central to emissions compliance on modern diesel trucks. Problems in the aftertreatment system can cause frequent regens, power derates, and down-time until the fault is corrected.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"margin: 10px 0; border: 1px solid #e5e5e5; border-radius: 4px; padding: 9px 11px;\"\u003e\u003csummary style=\"cursor: pointer; font-size: 16px; line-height: 1.25; font-weight: 600;\"\u003eAbout the brand\u003c\/summary\u003e\u003cdiv style=\"margin-top: 8px; font-size: 14px; line-height: 1.5;\"\u003e\u003cp\u003eInternational\/Navistar parts are used across a wide range of medium- and heavy-duty trucks in North American fleets.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"margin: 10px 0; border: 1px solid #e5e5e5; border-radius: 4px; padding: 9px 11px;\"\u003e\u003csummary style=\"cursor: pointer; font-size: 16px; line-height: 1.25; font-weight: 600;\"\u003eFitment \u0026amp; usage\u003c\/summary\u003e\u003cdiv style=\"margin-top: 8px; font-size: 14px; line-height: 1.5;\"\u003e\n\u003cp\u003eUsed OEM parts are a smart choice for controlling repair costs while still using original-equipment components. Always match the OEM part number(s) listed to your existing part, and consult your service manual, dealer, or technician if you are unsure about fitment.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote:\u003c\/em\u003e Because this is a used component, normal signs of wear such as scratches, discoloration, or light surface corrosion may be present. 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border-collapse: collapse; border: 1px solid rgb(0, 0, 0); height: 117.536px;\" class=\"part-details\"\u003e\u003ctbody\u003e\n\u003ctr style=\"height: 19.5894px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); padding: 4px 6px; height: 19.5894px; width: 46.071%;\"\u003e\u003cstrong\u003eDESCRIPTION\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); padding: 4px 6px; height: 19.5894px; width: 53.8976%;\"\u003eSCR Aftertreatment Horizon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5894px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); padding: 4px 6px; height: 19.5894px; width: 46.071%;\"\u003e\u003cstrong\u003eCONDITION\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); padding: 4px 6px; height: 19.5894px; width: 53.8976%;\"\u003eUsed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5894px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); padding: 4px 6px; 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It controls soot and NOx emissions by trapping particulates and converting harmful gases into less harmful compounds.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"margin: 10px 0; border: 1px solid #e5e5e5; border-radius: 4px; padding: 9px 11px;\"\u003e\u003csummary style=\"cursor: pointer; font-size: 16px; line-height: 1.25; font-weight: 600;\"\u003eWhy this part matters\u003c\/summary\u003e\u003cdiv style=\"margin-top: 8px; font-size: 14px; line-height: 1.5;\"\u003e\u003cp\u003eThese components are central to emissions compliance on modern diesel trucks. 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Always match the OEM part number(s) listed to your existing part, and consult your service manual, dealer, or technician if you are unsure about fitment.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote:\u003c\/em\u003e Because this is a used component, normal signs of wear such as scratches, discoloration, or light surface corrosion may be present. Refer to the product photos and information on Second Truck Parts for the best representation of the part you will receive.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Cummins","offers":[{"title":"Default Title","offer_id":45547987894319,"sku":"4387901","price":3499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0591\/7871\/3135\/files\/IMG_4191-Photoroom_55cb5789-3acb-45c5-a58d-aeb70233aa2d.jpg?v=1782952931"}],"url":"https:\/\/secondtruckparts.com\/collections\/aftertreatment-assemblies\/brand-freightliner.oembed","provider":"Second Truck Parts","version":"1.0","type":"link"}