{"id":13185,"date":"2026-05-20T07:05:47","date_gmt":"2026-05-20T15:05:47","guid":{"rendered":"https:\/\/www.shrautoparts.com\/paccar-kenworth-peterbilt-def-level-sensor\/"},"modified":"2026-05-20T08:25:22","modified_gmt":"2026-05-20T16:25:22","slug":"paccar-kenworth-peterbilt-def-level-sensor","status":"publish","type":"page","link":"https:\/\/www.shrautoparts.com\/es\/paccar-kenworth-peterbilt-def-level-sensor\/","title":{"rendered":"PACCAR Kenworth Peterbilt DEF Level Sensors"},"content":{"rendered":"<section class=\"shr-brand-landing\">\n<p class=\"shr-eyebrow\">AdBlue \/ DEF \/ Urea Level Sensor<\/p>\n<h1>PACCAR, Kenworth &amp; Peterbilt DEF Level Sensors<\/h1>\n<p class=\"shr-brand-landing__lead\">PACCAR DEF level and quality sensors for Kenworth and Peterbilt semi truck applications, including Q21 series cross references.<\/p>\n<div class=\"shr-brand-landing__cta\"><a class=\"shr-btn shr-btn--primary\" href=\"https:\/\/www.shrautoparts.com\/request-a-quote\/\">Send OE Number for Quote<\/a><a class=\"shr-btn shr-btn--ghost\" href=\"https:\/\/www.shrautoparts.com\/adblue-def-urea-level-sensors\/\">View All DEF Level Sensors<\/a><\/div>\n<section class=\"shr-adblue-diagram\" aria-label=\"AdBlue level sensor appearance diagram\">\n<div class=\"shr-adblue-diagram__copy\"><span class=\"shr-eyebrow\">Technical Diagram<\/span><\/p>\n<h2>AdBlue \/ DEF \/ Urea Level Sensor Appearance Diagram<\/h2>\n<p>Use this diagram to identify the main parts of an integrated SCR tank sensor assembly: electrical connector, cable harness, coolant tubes, mounting flange, level sensor rod, temperature sensor, urea quality sensor, heater coil and bottom protective base.<\/p>\n<ul>\n<li>Helps buyers compare connector, length and tank installation structure before RFQ.<\/li>\n<li>Covers common names: AdBlue level sensor, DEF level sensor, urea level sensor and DEF header sensor.<\/li>\n<li>Useful for sample confirmation, bulk purchasing and aftermarket cross-reference checks.<\/li>\n<\/ul>\n<\/div>\n<figure class=\"shr-adblue-diagram__figure\"><img width=\"1024\" height=\"768\" src=\"https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-level-sensor-appearance-diagram-1024x768.jpg\" class=\"shr-adblue-diagram__image\" alt=\"AdBlue DEF urea level sensor appearance diagram showing connector harness coolant tubes mounting flange level sensor rod temperature sensor urea quality sensor heater coil and protective base\" loading=\"lazy\" fetchpriority=\"low\" decoding=\"async\" srcset=\"https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-level-sensor-appearance-diagram-1024x768.jpg 1024w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-level-sensor-appearance-diagram-300x225.jpg 300w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-level-sensor-appearance-diagram-768x576.jpg 768w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-level-sensor-appearance-diagram-16x12.jpg 16w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-level-sensor-appearance-diagram-760x570.jpg 760w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-level-sensor-appearance-diagram.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>SHRAUTO AdBlue \/ DEF level sensor structure and function reference diagram.<\/figcaption><\/figure>\n<\/section>\n<h2>Available OE Cross Reference Numbers<\/h2>\n<p>Use these pages for quick sourcing. Compatibility must be confirmed by original part number, connector, voltage, sensor length, tank depth and vehicle application before ordering.<\/p>\n<div class=\"shr-brand-product-grid\">\n<article class=\"shr-brand-product-card\"><a class=\"shr-brand-product-card__image\" href=\"https:\/\/www.shrautoparts.com\/product\/def-level-sensor-sender-for-peterbilt-kenworth-oem-q21-6172-k1t\/\"><img width=\"420\" height=\"420\" src=\"https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-420x420.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"DEF Level Sensor Sender for Peterbilt Kenworth OEM Q21-6172-K1T\" decoding=\"async\" loading=\"lazy\" srcset=\"https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-420x420.jpg 420w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-300x300.jpg 300w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-1024x1024.jpg 1024w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-150x150.jpg 150w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-768x768.jpg 768w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-12x12.jpg 12w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-760x760.jpg 760w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-100x100.jpg 100w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded.jpg 1254w\" sizes=\"auto, (max-width: 420px) 100vw, 420px\" \/><\/a><\/p>\n<div class=\"shr-brand-product-card__body\">\n<h3><a href=\"https:\/\/www.shrautoparts.com\/product\/def-level-sensor-sender-for-peterbilt-kenworth-oem-q21-6172-k1t\/\">DEF Level Sensor Sender for Peterbilt Kenworth OEM Q21-6172-K1T<\/a><\/h3>\n<p><strong>Equipo original:<\/strong> Q21-6172-K1T<\/p>\n<p class=\"shr-brand-product-card__app\">Peterbilt \/ Kenworth DEF level sensor sender, 15.8 inch listing<\/p>\n<p><a class=\"shr-brand-product-card__link\" href=\"https:\/\/www.shrautoparts.com\/product\/def-level-sensor-sender-for-peterbilt-kenworth-oem-q21-6172-k1t\/\">View product \/ Buy sample<\/a><\/div>\n<\/article>\n<article class=\"shr-brand-product-card\"><a class=\"shr-brand-product-card__image\" href=\"https:\/\/www.shrautoparts.com\/product\/def-quality-sensor-for-peterbilt-kenworth-oem-q21-6170-003k1t\/\"><img width=\"420\" height=\"420\" src=\"https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-420x420.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"DEF Quality Sensor for Peterbilt Kenworth OEM Q21-6170-003K1T\" decoding=\"async\" loading=\"lazy\" srcset=\"https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-420x420.jpg 420w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-300x300.jpg 300w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-1024x1024.jpg 1024w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-150x150.jpg 150w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-768x768.jpg 768w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-12x12.jpg 12w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-760x760.jpg 760w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-100x100.jpg 100w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded.jpg 1254w\" sizes=\"auto, (max-width: 420px) 100vw, 420px\" \/><\/a><\/p>\n<div class=\"shr-brand-product-card__body\">\n<h3><a href=\"https:\/\/www.shrautoparts.com\/product\/def-quality-sensor-for-peterbilt-kenworth-oem-q21-6170-003k1t\/\">DEF Quality Sensor for Peterbilt Kenworth OEM Q21-6170-003K1T<\/a><\/h3>\n<p><strong>Equipo original:<\/strong> Q21-6170-003K1T<\/p>\n<p class=\"shr-brand-product-card__app\">Kenworth \/ Peterbilt semi truck DEF quality level sensor<\/p>\n<p><a class=\"shr-brand-product-card__link\" href=\"https:\/\/www.shrautoparts.com\/product\/def-quality-sensor-for-peterbilt-kenworth-oem-q21-6170-003k1t\/\">View product \/ Buy sample<\/a><\/div>\n<\/article>\n<article class=\"shr-brand-product-card\"><a class=\"shr-brand-product-card__image\" href=\"https:\/\/www.shrautoparts.com\/product\/def-level-sensor-for-paccar-mx-13-kenworth-oem-q21-6127-001kit\/\"><img width=\"420\" height=\"420\" src=\"https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-420x420.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"DEF Level Sensor for PACCAR MX-13 Kenworth OEM Q21-6127-001KIT\" decoding=\"async\" loading=\"lazy\" srcset=\"https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-420x420.jpg 420w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-300x300.jpg 300w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-1024x1024.jpg 1024w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-150x150.jpg 150w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-768x768.jpg 768w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-12x12.jpg 12w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-760x760.jpg 760w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-100x100.jpg 100w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded.jpg 1254w\" sizes=\"auto, (max-width: 420px) 100vw, 420px\" \/><\/a><\/p>\n<div class=\"shr-brand-product-card__body\">\n<h3><a href=\"https:\/\/www.shrautoparts.com\/product\/def-level-sensor-for-paccar-mx-13-kenworth-oem-q21-6127-001kit\/\">DEF Level Sensor for PACCAR MX-13 Kenworth OEM Q21-6127-001KIT<\/a><\/h3>\n<p><strong>Equipo original:<\/strong> Q21-6127-001KIT<\/p>\n<p class=\"shr-brand-product-card__app\">2013-2018 PACCAR MX-13 \/ Kenworth DEF sensor applications<\/p>\n<p><a class=\"shr-brand-product-card__link\" href=\"https:\/\/www.shrautoparts.com\/product\/def-level-sensor-for-paccar-mx-13-kenworth-oem-q21-6127-001kit\/\">View product \/ Buy sample<\/a><\/div>\n<\/article>\n<article class=\"shr-brand-product-card\"><a class=\"shr-brand-product-card__image\" href=\"https:\/\/www.shrautoparts.com\/product\/def-tank-level-temperature-sending-unit-for-paccar-oem-35024301\/\"><img width=\"420\" height=\"420\" src=\"https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-420x420.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"DEF Tank Level Temperature Sending Unit for PACCAR OEM 35024301\" decoding=\"async\" loading=\"lazy\" srcset=\"https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-420x420.jpg 420w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-300x300.jpg 300w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-1024x1024.jpg 1024w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-150x150.jpg 150w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-768x768.jpg 768w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-12x12.jpg 12w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-760x760.jpg 760w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded-100x100.jpg 100w, https:\/\/www.shrautoparts.com\/wp-content\/uploads\/2026\/05\/shrauto-adblue-def-urea-level-sensor-main-front-view-branded.jpg 1254w\" sizes=\"auto, (max-width: 420px) 100vw, 420px\" \/><\/a><\/p>\n<div class=\"shr-brand-product-card__body\">\n<h3><a href=\"https:\/\/www.shrautoparts.com\/product\/def-tank-level-temperature-sending-unit-for-paccar-oem-35024301\/\">DEF Tank Level Temperature Sending Unit for PACCAR OEM 35024301<\/a><\/h3>\n<p><strong>Equipo original:<\/strong> 35024301<\/p>\n<p class=\"shr-brand-product-card__app\">PACCAR DEF tank level\/temp sending unit<\/p>\n<p><a class=\"shr-brand-product-card__link\" href=\"https:\/\/www.shrautoparts.com\/product\/def-tank-level-temperature-sending-unit-for-paccar-oem-35024301\/\">View product \/ Buy sample<\/a><\/div>\n<\/article>\n<\/div>\n<h2>Buying Guide<\/h2>\n<ul>\n<li>Provide the OE number or cross-reference number on the original sensor.<\/li>\n<li>Send clear photos of the connector, label, float\/pickup tube and complete sensor length.<\/li>\n<li>Confirm whether the DEF header includes heating, temperature or quality sensing.<\/li>\n<li>For distributors, send target quantity, packing request and destination country.<\/li>\n<\/ul>\n<h2>Aftermarket Notice<\/h2>\n<p>Brand names and OE numbers are used for reference and compatibility identification only. Unless explicitly stated, products are aftermarket replacement parts and not genuine OEM parts.<\/p>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>AdBlue \/ DEF \/ Urea Level Sensor PACCAR, Kenworth &amp; Peterbilt DEF Level Sensors PACCAR DEF level and quality sensors for Kenworth and Peterbilt semi truck applications, including Q21 series cross references. Send OE Number for QuoteView All DEF Level Sensors Technical Diagram AdBlue \/ DEF \/ Urea Level Sensor Appearance Diagram Use this diagram [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":13190,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-13185","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.9 (Yoast SEO v28.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>PACCAR Kenworth Peterbilt DEF Level Sensor | Q21 Sensor Supplier<\/title>\n<meta name=\"description\" content=\"PACCAR, Kenworth and Peterbilt DEF level sensors, Q21 cross-reference parts, sample orders and wholesale RFQ.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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