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DEF QUALITY SENSOR

The DEF (Diesel Exhaust Fluid) sensor plays a crucial role in the Selective Catalytic Reduction (SCR) system of heavy-duty trucks. It measures the level and quality of DEF in the storage tank and communicates this information to the engine control unit.

Customers should choose Advanced Truck Parts for their DEF sensor needs due to our commitment to quality and customer satisfaction. We offer a wide range of genuine DEF sensors for various heavy-duty truck makes and models, ensuring high-quality and reliable performance. Our experienced team provides expert guidance and support in selecting the right DEF sensor and addressing any technical inquiries. Moreover, we offer competitive pricing without compromising on quality, providing cost-effective solutions. With our comprehensive inventory, exceptional customer service, and dedication to delivering reliable DEF sensors, Advanced Truck Parts is the trusted choice for customers seeking accurate DEF level monitoring and optimal SCR system performance in their heavy-duty trucks.

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2515984C3 Genuine International 9.5 Gal Def Sensor For Navistar

INTERNATIONAL
$999.00
$999.00 - $999.00
$999.00
$699.00
$699.00 - $699.00
$699.00
Low stock

Description: 9.5 Gal Def Sensor For Navistar     Condition: New  Brand: International Part Number: 2515984C3 Other OEM Part Numbers That Will Work:...

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$999.00
$999.00 - $999.00
$999.00
$699.00
$699.00 - $699.00
$699.00

23539939 Genuine Volvo Def Level Sensor For Adblue Tank 70 L

VOLVO
$858.96
$858.96 - $858.96
$858.96
$749.00
$749.00 - $749.00
$749.00
Low stock

Description: Def Level Sensor For Adblue Tank 70 LCondition: New Brand: VolvoPart Number: 23539939Other Oem Part Numbers That Will Work: 24383068, ...

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$858.96
$858.96 - $858.96
$858.96
$749.00
$749.00 - $749.00
$749.00
46699859 Genuine Shaw Multipurpose Head Unit Def Quality Sensor - ADVANCED TRUCK PARTS
46699859 Genuine Shaw Multipurpose Head Unit Def Quality Sensor - ADVANCED TRUCK PARTS

46699859 Genuine Shaw Multipurpose Head Unit Def Quality Sensor

SHAW
$3,245.00
$3,245.00 - $3,245.00
$3,245.00
$999.00
$999.00 - $999.00
$999.00
Low stock

Description: DEF quality sensor, multipurpose head unitCondition: NewBrand: ShawPart Number: 46699859Other Part Numbers That Will Work: 4310-650071...

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$3,245.00
$3,245.00 - $3,245.00
$3,245.00
$999.00
$999.00 - $999.00
$999.00

24037390 Genuine Volvo DEF Sensor

VOLVO
$1,749.00 - $1,749.00
$1,749.00
$1,749.00 - $1,749.00
$1,749.00
Low stock

Description: DEF Sensor (No Core Charge) Condition: New Brand: Volvo  Part Number: 24037390  Other OEM Part Numbers That Will Work: 24037390, 23158...

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$1,749.00 - $1,749.00
$1,749.00
$1,749.00 - $1,749.00
$1,749.00
DC4Z-5J250-A Genuine Ford Def Tank Level Sensor 5-Gal - ADVANCED TRUCK PARTS

DC4Z-5J250-A Genuine Ford Def Tank Level Sensor 5-Gal

FORD
$2,449.00
$2,449.00 - $2,449.00
$2,449.00
$965.00
$965.00 - $965.00
$965.00
Low stock

Description: Def Tank Level Sensor 5-Gal   Condition: New  Brand: FordPart Number: DC4Z-5J250-A  Other OEM Part Numbers That Will Work: 2515899C1, ...

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$2,449.00
$2,449.00 - $2,449.00
$2,449.00
$965.00
$965.00 - $965.00
$965.00
320/D9237 Genuine JCB QLS Def Sensor Head Unit - ADVANCED TRUCK PARTS
320/D9237 Genuine JCB QLS Def Sensor Head Unit - ADVANCED TRUCK PARTS
SOLD OUT | CALL 877-795-0656

320/D9237 Genuine JCB QLS Def Sensor Head Unit

JCB
$1,099.00 - $1,099.00
$1,099.00
$1,099.00 - $1,099.00
$1,099.00
Out of stock

Description: QLS Def Sensor Head UnitCondition: NewBrand: JCBPart Number: 320/D9237 Other OEM Part Numbers That Will Work: 320/D9237, 320/C9049, 32...

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$1,099.00 - $1,099.00
$1,099.00
$1,099.00 - $1,099.00
$1,099.00
SOLD OUT | CALL 877-795-0656

Dm501-2206A765 Genuine Spartan Motorhome Def Head Level Sensor For 10 Gallon

ADVANCED TRUCK PARTS
$2,399.00 - $2,399.00
$2,399.00
$2,399.00 - $2,399.00
$2,399.00
Low stock

Description: Def Head Level Sensor For 10 Gallon Tank Condition: NewBrand: Spartan Part Number: DM501-2206A765 Other OEM Part Numbers That Will Wor...

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$2,399.00 - $2,399.00
$2,399.00
$2,399.00 - $2,399.00
$2,399.00
4353001C91 Genuine Navistar International 7 Gallon Def Tank Qls 1% Ssi Sensor Head Unit - ADVANCED TRUCK PARTS

5012171R91 Genuine Navistar International 7 Gallon Def Tank Qls 1% Ssi Sensor Head Unit

INTERNATIONAL
$1,699.00
$1,699.00 - $1,699.00
$1,699.00
$699.00
$699.00 - $699.00
$699.00
Low stock

Description: 7 Gallon Def Tank Qls 1% Ssi Sensor Head Unit Condition: NewPart Number: 5012171R91Brand: Navistar International Other OEM Part Number...

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$1,699.00
$1,699.00 - $1,699.00
$1,699.00
$699.00
$699.00 - $699.00
$699.00
Ctt00026746 Ottawa Tank Asm Def - With Head Assembly - ADVANCED TRUCK PARTS
Ctt00026746 Ottawa Tank Asm Def - With Head Assembly - ADVANCED TRUCK PARTS

Ctt00026746 Ottawa Tank Asm Def - With Head Assembly

OTTAWA KALMAR
$2,399.00
$2,399.00 - $2,399.00
$2,399.00
$1,899.00
$1,899.00 - $1,899.00
$1,899.00
Low stock

Description: Tank ASM, DEF - With Head AssemblyCondition: NewBrand: Ottawa®Part Number: CTT00026746Other Oem Part Numbers That Will Work: CTT000227...

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$2,399.00
$2,399.00 - $2,399.00
$2,399.00
$1,899.00
$1,899.00 - $1,899.00
$1,899.00
04-35164-000 Freightliner Def Header Quality Sensor Sending Unit - ADVANCED TRUCK PARTS
04-35164-000 Freightliner Def Header Quality Sensor Sending Unit - ADVANCED TRUCK PARTS

04-35164-000 Freightliner Def Header Quality Sensor Sending Unit

FREIGHTLINER
$3,005.00
$3,005.00 - $3,005.00
$3,005.00
$1,399.00
$1,399.00 - $1,399.00
$1,399.00
Low stock

Description: Freightliner Def Header Quality Sensor Sending UnitCondition: New   Brand: Freightliner Part Number: 04-35164-000Other Oem Part Number...

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$3,005.00
$3,005.00 - $3,005.00
$3,005.00
$1,399.00
$1,399.00 - $1,399.00
$1,399.00
Q21-6172-K1T OEM Paccar DEF Level Sensor For Peterbilt Kenworth - ADVANCED TRUCK PARTS
Q21-6172-K1T OEM Paccar DEF Level Sensor For Peterbilt Kenworth - ADVANCED TRUCK PARTS

Q21-6172-K1T OEM Paccar DEF Level Sensor For Peterbilt Kenworth

PACCAR
$1,499.00 - $1,499.00
$1,499.00
$1,499.00 - $1,499.00
$1,499.00
Low stock

Description: DEF Level Sensor For Peterbilt, KenworthCondition: NewBrand: PaccarPart Number: Q21-6172-K1TOther OEM Part Numbers That Will Work: Q21...

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$1,499.00 - $1,499.00
$1,499.00
$1,499.00 - $1,499.00
$1,499.00
DC4O5J250AC Genuine Ford Multipurpose Head Unit Def Quality Sensor - ADVANCED TRUCK PARTS
DC4O5J250AC Genuine Ford Multipurpose Head Unit Def Quality Sensor - ADVANCED TRUCK PARTS

DC4O5J250AC Genuine Ford Multipurpose Head Unit Def Quality Sensor

FORD
$3,245.00
$3,245.00 - $3,245.00
$3,245.00
$999.00
$999.00 - $999.00
$999.00
Low stock

Description: DEF quality sensor, multipurpose head unitCondition: NewBrand: FordPart Number: DC4O5J250ACOther Part Numbers That Will Work: DC4Z-5J2...

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$3,245.00
$3,245.00 - $3,245.00
$3,245.00
$999.00
$999.00 - $999.00
$999.00
DC4Z5J250A Genuine Ford Multipurpose Head Unit Def Quality Sensor - ADVANCED TRUCK PARTS
DC4Z5J250A Genuine Ford Multipurpose Head Unit Def Quality Sensor - ADVANCED TRUCK PARTS

DC4Z5J250A Genuine Ford Multipurpose Head Unit Def Quality Sensor

FORD
$3,245.00
$3,245.00 - $3,245.00
$3,245.00
$999.00
$999.00 - $999.00
$999.00
Low stock

Description: DEF quality sensor, multipurpose head unitCondition: NewBrand: FordPart Number: DC4Z5J250A Other Part Numbers That Will Work: DC4Z-5J2...

View full details
$3,245.00
$3,245.00 - $3,245.00
$3,245.00
$999.00
$999.00 - $999.00
$999.00
DC4Z-5J250-D Genuine Ford Multipurpose Head Unit Def Quality Sensor - ADVANCED TRUCK PARTS
DC4Z-5J250-D Genuine Ford Multipurpose Head Unit Def Quality Sensor - ADVANCED TRUCK PARTS

DC4Z-5J250-D Genuine Ford Multipurpose Head Unit Def Quality Sensor

FORD
$3,245.00
$3,245.00 - $3,245.00
$3,245.00
$999.00
$999.00 - $999.00
$999.00
Low stock

Description: DEF quality sensor, multipurpose head unitCondition: NewBrand: FordPart Number: DC4Z-5J250-DOther Part Numbers That Will Work: DC4Z-5J...

View full details
$3,245.00
$3,245.00 - $3,245.00
$3,245.00
$999.00
$999.00 - $999.00
$999.00
ASP4310-6500711 Genuine Shaw Multipurpose Head Unit Def Quality Sensor - ADVANCED TRUCK PARTS
ASP4310-6500711 Genuine Shaw Multipurpose Head Unit Def Quality Sensor - ADVANCED TRUCK PARTS

ASP4310-6500711 Genuine Shaw Multipurpose Head Unit Def Quality Sensor

SHAW
$3,245.00
$3,245.00 - $3,245.00
$3,245.00
$999.00
$999.00 - $999.00
$999.00
Low stock

Description: DEF quality sensor, multipurpose head unitCondition: NewBrand: ShawPart Number: ASP4310-6500711Other Part Numbers That Will Work: 4310...

View full details
$3,245.00
$3,245.00 - $3,245.00
$3,245.00
$999.00
$999.00 - $999.00
$999.00
8-98168562-3 Genuine Isuzu DEF Sensor Assembly - ADVANCED TRUCK PARTS
8-98168562-3 Genuine Isuzu DEF Sensor Assembly - ADVANCED TRUCK PARTS
SOLD OUT | CALL 877-795-0656

8-98168562-3 Genuine Isuzu DEF Sensor Assembly

ISUZU
$799.00 - $799.00
$799.00
$799.00 - $799.00
$799.00
Out of stock

Description: DEF Sensor Assembly (No Core Charge) Condition: New Brand: Isuzu  Part Number: 8-98168562-3 Other OEM Part Numbers That Will Work: 8-9...

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$799.00 - $799.00
$799.00
$799.00 - $799.00
$799.00
SOLD OUT | CALL 877-795-0656

325008618K Genuine Generic DEF Sensor 18"

Generic
$1,099.00 - $1,099.00
$1,099.00
$1,099.00 - $1,099.00
$1,099.00
Low stock

Description: DEF Sensor 18"Condition: NewBrand: Generic Part Number: 325008618KOther OEM Part Numbers That Will Work: 325-0086-18-K, 325008618K, 32...

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$1,099.00 - $1,099.00
$1,099.00
$1,099.00 - $1,099.00
$1,099.00
04-34397-000 Freightliner Def Header Quality Sensor Sending Unit - ADVANCED TRUCK PARTS
04-34397-000 Freightliner Def Header Quality Sensor Sending Unit - ADVANCED TRUCK PARTS

04-34397-000 Freightliner Def Header Quality Sensor Sending Unit

FREIGHTLINER
$3,005.00
$3,005.00 - $3,005.00
$3,005.00
$1,399.00
$1,399.00 - $1,399.00
$1,399.00
Low stock

Description: Freightliner Def Header Quality Sensor Sending UnitCondition: New   Brand: Freightliner Part Number: 04-34397-000Other Oem Part Number...

View full details
$3,005.00
$3,005.00 - $3,005.00
$3,005.00
$1,399.00
$1,399.00 - $1,399.00
$1,399.00
Q21-6173-002 Genuine Paccar DEF Quality Sensor - ADVANCED TRUCK PARTS
Q21-6173-002 Genuine Paccar DEF Quality Sensor - ADVANCED TRUCK PARTS
SOLD OUT | CALL 877-795-0656

Q21-6173-002 Genuine Paccar DEF Quality Sensor

PACCAR
$324.00 - $324.00
$324.00
$324.00 - $324.00
$324.00
Out of stock

Description: DEF Quality Sensor (No Core Charge)Condition: NewBrand: Paccar Part Number: Q21-6173-002 Other OEM Part Numbers That Will Work: Q21-61...

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$324.00 - $324.00
$324.00
$324.00 - $324.00
$324.00
SOLD OUT | CALL 877-795-0656
DC4Z-5J250-E Genuine Ford Def Tank Level Sensor 5-Gal - ADVANCED TRUCK PARTS

DC4Z-5J250-E Genuine Ford Def Tank Level Sensor 5-Gal

FORD
$2,449.00
$2,449.00 - $2,449.00
$2,449.00
$965.00
$965.00 - $965.00
$965.00
Low stock

Description: Def Tank Level Sensor 5-Gal   Condition: New  Brand: FordPart Number: DC4Z-5J250-E  Other OEM Part Numbers That Will Work: 2515899C1, ...

View full details
$2,449.00
$2,449.00 - $2,449.00
$2,449.00
$965.00
$965.00 - $965.00
$965.00
5012178R91 Genuine Navistar International 7 Gallon Def Tank Qls Sensor Fls 1 Head Unit - ADVANCED TRUCK PARTS
5012178R91 Genuine Navistar International 7 Gallon Def Tank Qls Sensor Fls 1 Head Unit - ADVANCED TRUCK PARTS

5012178R91 Genuine Navistar International 7 Gallon Def Tank Qls Sensor Fls 1 Head Unit

INTERNATIONAL
$1,699.00
$1,699.00 - $1,699.00
$1,699.00
$699.00
$699.00 - $699.00
$699.00
Low stock

Description: 7 Gallon Def Tank Qls Sensor Fls 1 Head UnitCondition: New Brand: Navistar InternationalPart Number: 5012178R91 Other OEM Part Numbers...

View full details
$1,699.00
$1,699.00 - $1,699.00
$1,699.00
$699.00
$699.00 - $699.00
$699.00
2510967C3 Genuine Navistar International 9.5 Gallon Def Tank Qls Sensor Head Unit - ADVANCED TRUCK PARTS
2510967C3 Genuine Navistar International 9.5 Gallon Def Tank Qls Sensor Head Unit - ADVANCED TRUCK PARTS

2510967C3 Genuine Navistar International 9.5 Gallon Def Tank Qls Sensor Head Unit

INTERNATIONAL
$1,299.00 - $1,299.00
$1,299.00
$1,299.00 - $1,299.00
$1,299.00
Low stock

Description: 9.5 Gallon DEF Tank QLS Sensor Head Unit Condition: NewBrand: International Part Number: 2510967C3Other Oem Part Numbers That Will Wor...

View full details
$1,299.00 - $1,299.00
$1,299.00
$1,299.00 - $1,299.00
$1,299.00
4086804C91 Genuine Navistar International 15 Gallon Def Tank Qls 1% Ssi Sensor Head Unit - ADVANCED TRUCK PARTS
4086804C91 Genuine Navistar International 15 Gallon Def Tank Qls 1% Ssi Sensor Head Unit - ADVANCED TRUCK PARTS

4086804C91 Genuine Navistar International 15 Gallon Def Tank Qls 1% Ssi Sensor Head Unit

INTERNATIONAL
$899.00
$899.00 - $899.00
$899.00
$399.00
$399.00 - $399.00
$399.00
In stock

Description: SENSOR, 15G, QLS 1% SSICondition: NewPart Number: 4086804C91Brand: Navistar International Other OEM Part Numbers That Will Work: 70118...

View full details
$899.00
$899.00 - $899.00
$899.00
$399.00
$399.00 - $399.00
$399.00
5012174R91 Genuine Navistar International 15 Gallon Def Tank Qls 1% Ssi Sensor Head Unit - ADVANCED TRUCK PARTS
5012174R91 Genuine Navistar International 15 Gallon Def Tank Qls 1% Ssi Sensor Head Unit - ADVANCED TRUCK PARTS

5012174R91 Genuine Navistar International 15 Gallon Def Tank Qls 1% Ssi Sensor Head Unit

INTERNATIONAL
$899.00
$899.00 - $899.00
$899.00
$399.00
$399.00 - $399.00
$399.00
In stock

Description: SENSOR, 15G, QLS 1% SSICondition: NewPart Number: 5012174R91Brand: Navistar International Other OEM Part Numbers That Will Work: 70118...

View full details
$899.00
$899.00 - $899.00
$899.00
$399.00
$399.00 - $399.00
$399.00

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