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$120.99
OTC 5025 Diesel Exhaust Fluid (DEF) Refractometer Kit - Includes Refractometer, Dropper, Lens Wipe Cloth, Instructions And Quick Start Guide,
Amazon.com
355
Free shipping
$120.99
OTC 5025 Diesel Exhaust Fluid (DEF) Refractometer Kit - Includes Refractometer, Dropper, Lens Wipe Cloth, Instructions And Quick Start Guide,
Amazon.com
355
$14.66
$19.99
Performance Tool W16500 Professional DEF Tester (Disc Type DEF, Diesel Exhaust Fluid Tester)
Amazon.com
249
26% off
$14.66
$19.99
Performance Tool W16500 Professional DEF Tester (Disc Type DEF, Diesel Exhaust Fluid Tester)
Amazon.com
249
$23.99
DEF Refractometer For Measuring Diesel Exhaust Fluid Concentration Of Diesel Engines
Amazon.com
724
$23.99
DEF Refractometer For Measuring Diesel Exhaust Fluid Concentration Of Diesel Engines
Amazon.com
724
$123.29
Test Products Intl. Refractometer: Battery Fluid/DEF/Ethylene Glycol/Propylene Glycol, Analog Model: 395
Grainger
$123.29
Test Products Intl. Refractometer: Battery Fluid/DEF/Ethylene Glycol/Propylene Glycol, Analog Model: 395
Grainger
$24.99
AMTAST DEF Refractometer 0-40% Adblue Diesel Exhaust Fluid Urea Concentration Refractometer Hand Held Refractometer With ATC For Automotive Diesel,
Amazon.com
120
$24.99
AMTAST DEF Refractometer 0-40% Adblue Diesel Exhaust Fluid Urea Concentration Refractometer Hand Held Refractometer With ATC For Automotive Diesel,
Amazon.com
120
$119.66
Fuelworks 1 in. FNPT In-Line Digital Chemical / DEF Meter - 15221005
John M. Ellsworth Co., Inc.
$119.66
Fuelworks 1 in. FNPT In-Line Digital Chemical / DEF Meter - 15221005
John M. Ellsworth Co., Inc.
$455.00
Reichert Pocketchek Def Chek Diesel Exhaust Fluid Tester | Tequipment
TEquipment
$455.00
Reichert Pocketchek Def Chek Diesel Exhaust Fluid Tester | Tequipment
TEquipment
$49.95
1-DEF Diesel Exhaust Fluid Hydrometer Tester Tool
Freedom Racing Tool and Auto, LLC
$49.95
1-DEF Diesel Exhaust Fluid Hydrometer Tester Tool
Freedom Racing Tool and Auto, LLC
$142.09
Handheld DEF (Urea) Refractometer, VEE GEE Scientific - 43071
The Lab Depot
$142.09
Handheld DEF (Urea) Refractometer, VEE GEE Scientific - 43071
The Lab Depot
$196.65
PIUSI 1 in. BSP TURBINOX DEF Pulse Meter - F0042000A
John M. Ellsworth Co., Inc.
$196.65
PIUSI 1 in. BSP TURBINOX DEF Pulse Meter - F0042000A
John M. Ellsworth Co., Inc.
$169.49
OTC Refractometer: DEF, +/-0.5% Accuracy, Auto, Analog, 0.005 Model: 5025
Grainger
355
$169.49
OTC Refractometer: DEF, +/-0.5% Accuracy, Auto, Analog, 0.005 Model: 5025
Grainger
355
$545.71
Reichert Refractometer: ARLA/AUS32-Diesel Exhaust Fluid/DEF, +/- 0.1% Accuracy, Auto, Digital, 0.001 Model: 13940013
Grainger
$545.71
Reichert Refractometer: ARLA/AUS32-Diesel Exhaust Fluid/DEF, +/- 0.1% Accuracy, Auto, Digital, 0.001 Model: 13940013
Grainger
$275.76
Performance Tool DEF Fluid Test Kit: Diesel Fuel Test Swab, Diesel Exhaust Fluid Tester, Plastic Model: W16500
Grainger
1K+
$275.76
Performance Tool DEF Fluid Test Kit: Diesel Fuel Test Swab, Diesel Exhaust Fluid Tester, Plastic Model: W16500
Grainger
1K+
$192.99
OTC DEF Refractometer, 5025
Advance Auto Parts
355
$192.99
OTC DEF Refractometer, 5025
Advance Auto Parts
355
$334.72
Misco Pa201x-185, DEF-201 Digital Refractometer, Urea Scale - Urea-Based Diesel Exhaust Fluid
Selectum
$334.72
Misco Pa201x-185, DEF-201 Digital Refractometer, Urea Scale - Urea-Based Diesel Exhaust Fluid
Selectum
$165.99
OTC Tools Diesel Exhaust Fluid Refractometer - 32.5% Urea Solution, 0.5% Graduations, Model 5025
Northern Tool
355
$165.99
OTC Tools Diesel Exhaust Fluid Refractometer - 32.5% Urea Solution, 0.5% Graduations, Model 5025
Northern Tool
355
$213.21
Piusi K24 1 in. BSP DEF Meter W/ NPT Adapter - APIF00407340
John M. Ellsworth Co., Inc.
$213.21
Piusi K24 1 in. BSP DEF Meter W/ NPT Adapter - APIF00407340
John M. Ellsworth Co., Inc.
$120.99
OTC Tools 5025: OTC DEF Refractometers
Summit Racing
355
$120.99
OTC Tools 5025: OTC DEF Refractometers
Summit Racing
355
$180.34
OTC UREA DEF Refractometer
Dealer Ship Closeouts
$180.34
OTC UREA DEF Refractometer
Dealer Ship Closeouts
$265.92
American Lube DEF-22, Electronic Diesel Exhaust Fluid Meter
Selectum
$265.92
American Lube DEF-22, Electronic Diesel Exhaust Fluid Meter
Selectum
$499.95
OTC 3095 Refractometer Tester Tool DEF Or Adblue Solution Tester
eBay
Free shipping
$499.95
OTC 3095 Refractometer Tester Tool DEF Or Adblue Solution Tester
eBay
Free shipping
$179.43
5 in 1 Urea DEF Tester Coolant Refractometer, Digital Handheld Tester For Aut...
eBay
Free shipping
$179.43
5 in 1 Urea DEF Tester Coolant Refractometer, Digital Handheld Tester For Aut...
eBay
Free shipping
$17.40
Thexton 108 | Urea DEF-Chek Professional Tester | Auto Tool World
AutoToolWorld.com
48
$17.40
Thexton 108 | Urea DEF-Chek Professional Tester | Auto Tool World
AutoToolWorld.com
48
$247.04
Digital Refractometer 5-In-1 Antifreeze Coolant Diesel Exhaust Fluid DEF Tester
eBay
Free shipping
$247.04
Digital Refractometer 5-In-1 Antifreeze Coolant Diesel Exhaust Fluid DEF Tester
eBay
Free shipping
$120.00
NEW OTC Tools DEF Diesel Exhaust Fluid Refractometer Tester Kit Set Lot Case
eBay
8
$120.00
NEW OTC Tools DEF Diesel Exhaust Fluid Refractometer Tester Kit Set Lot Case
eBay
8
$155.08
Diesel Exhaust Fluid (DEF) Refractometer Kit OTC-5025 Brand New!
eBay
Free shipping
$155.08
Diesel Exhaust Fluid (DEF) Refractometer Kit OTC-5025 Brand New!
eBay
Free shipping
$125.43
OTC 5025 Diesel Exhaust Fluid (DEF) Refractometer,7""L X 3.4""W X 1.7""H
eBay
Free shipping
$125.43
OTC 5025 Diesel Exhaust Fluid (DEF) Refractometer,7""L X 3.4""W X 1.7""H
eBay
Free shipping
$43.21
4- In-1 DEF Antifreeze Coolant Refractometer Automobile Diesel Exhaust Fluid
eBay
3
Free shipping
$43.21
4- In-1 DEF Antifreeze Coolant Refractometer Automobile Diesel Exhaust Fluid
eBay
3
$100.00
OTC Tools DEF Diesel Exhaust Fluid Refractometer Tester Kit Set Lot Case. OTC. Other Diagnostic Service Tools. 0731413559846.
eBay
8
Free shipping
$100.00
OTC Tools DEF Diesel Exhaust Fluid Refractometer Tester Kit Set Lot Case. OTC. Other Diagnostic Service Tools. 0731413559846.
eBay
8
$147.56
OTC OTC-5025 Diesel Exhaust Fluid (DEF) Refractometer
eBay
8
Free shipping
$147.56
OTC OTC-5025 Diesel Exhaust Fluid (DEF) Refractometer
eBay
8
$777.26
OTC Tools 3095 - Digital Def Tester
ToolPan
$777.26
OTC Tools 3095 - Digital Def Tester
ToolPan
$34.76
Performance Tool W16500 Professional Def Tester (Disc Type Def, Diesel Exhaust Fluid Tester)
Everymarket INC
$34.76
Performance Tool W16500 Professional Def Tester (Disc Type Def, Diesel Exhaust Fluid Tester)
Everymarket INC
$127.88
Veegee Scientific 0-60% Range, Handheld DEF (Urea) Refractometer 43071
Spectra Services
$127.88
Veegee Scientific 0-60% Range, Handheld DEF (Urea) Refractometer 43071
Spectra Services
$36.18
Aichose 4In1 Def Antifreeze Coolant Refractometer For Automobile Antifreeze System Diesel Exhaust Fluid Battery Acid And Windshield Washer Fluid
alumigogo
$36.18
Aichose 4In1 Def Antifreeze Coolant Refractometer For Automobile Antifreeze System Diesel Exhaust Fluid Battery Acid And Windshield Washer Fluid
alumigogo
How to Perform A DEF System Flow Test Using Jaltest
4:19
How to Perform A DEF System Flow Test Using Jaltest
2.9K viewsDec 22, 2022
YouTubeWholeFleet Diagnostics
How To Test Your DEF Fluid #294
11:11
Find in video from 03:30Testing DEF Fluid at Truck Stop
How To Test Your DEF Fluid #294
1.7K viewsJun 5, 2023
YouTubeWilliamson Ridge Outdoors
How to Test the Quality of DEF with a Refractometer Featuring Jim Thomson
0:56
Find in video from 00:27How to Check the Quality of Duct Fluid
How to Test the Quality of DEF with a Refractometer Featuring Jim Th…
5K viewsJun 8, 2023
YouTubeGRAINCO FS, Inc.
How to Perform a DEF System Leak Test Using Jaltest
4:32
How to Perform a DEF System Leak Test Using Jaltest
1.7K viewsDec 22, 2022
YouTubeWholeFleet Diagnostics
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Def Fluid Tester
1.3K views1 year ago
YouTubeNuts & Bolts with Tone
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How to Test the quality of your DEF ( Diesel Exhaust Fluid) with a refrac…
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YouTubeBig Rob
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Find in video from 02:08Choosing the Right DEF Fluid
How to check diesel exhaust fluid (DEF) quality
31.3K viewsJun 5, 2020
YouTubeWorks Forme
2:01
Diesel Exhaust Fluid (DEF) AdBlue Tester DEF-906
10.1K viewsNov 14, 2018
YouTubeThree-In-One
1:17
Test for DEF Fluid in Diesel Fuel
4.2K viewsApr 1, 2022
YouTubeDieselcraft Fluid Engineering USA
0:18
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7.2K viewsApr 6, 2025
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0:56
Easy tests for diesel exhaust fluid (DEF) contamination
7.5K viewsMay 13, 2024
YouTubeDorman Products
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1.5K viewsJan 22, 2024
YouTubeFulenwider Eastland DCJR
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5.7K viewsOct 17, 2024
TikToktitantruckrep5890
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34K viewsAug 1, 2016
YouTubeStandard Brand
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3.9K viewsSep 17, 2019
YouTubeBrady Instruments
1:36
Diesel Laptops Digital Diesel Exhaust Fluid (DEF) Refractomete…
2.3K viewsAug 9, 2018
YouTubeDiesel Laptops
7:37
Diesel Injector Saved from DEF Damage! Full Cleaning & Testing …
469 views8 months ago
YouTubeCommon Rail Mechanics
Common DEF Problems & How to Test for Them - Fluid Life
Jul 14, 2021
fluidlife.com
3:04
How to check DEF fluid level on a 2024 Duramax?
386 views9 months ago
YouTubeHey Insights
26:30
Find in video from 20:44Final Testing and Conclusion
Chevy DuraMax Diesel Exhaust Fluid Quality Poor How To Test & …
103.5K viewsApr 19, 2021
YouTubeOur Tennessee HomeStead
7:43
Find in video from 05:10Starting the Quantity Test
DEF Nozzle fluid Quantity test Detroit diesel DD13-10 engine frei…
12.4K viewsFeb 7, 2019
YouTubeBig Rig Fix
3:36
DEF Bypass Tool Test
2.5K viewsMay 1, 2022
YouTubeFire Tech
1:50
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140.6K viewsMay 13, 2015
YouTubeEdmunds Cars
7:57
Find in video from 00:30What is Diesel Exhaust Fluid (DEF)?
SPRINTER DIESEL DEF / DPF / NOX- Basics about the Mercedes diesel …
103K viewsNov 19, 2020
YouTubeVan Bae
4:53
2019 Ford F250 - 6.7 - DEF Information
56.9K viewsDec 13, 2019
YouTubeMy Torino (my73Torino)
2:20
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40.2K viewsOct 11, 2023
YouTubeBourbon Motorsports
1:33
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9.6K viewsMay 10, 2017
YouTubeThomas Built Buses
1:23
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1.2K views9 months ago
YouTubeSON OF MONTEZUMA
1:17
etrailer | Complete Breakdown of the Professional DEF Tester
1.5K viewsApr 5, 2022
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Shop def fluid tester

Sponsored
About our ads
$120.99
OTC 5025 Diesel Exhaust Fluid (DEF) Refractometer Kit - Includes Refractometer, Dropper, Lens Wipe Cloth, Instructions And Quick Start Guide,
Amazon.com
355
Free shipping
$120.99
OTC 5025 Diesel Exhaust Fluid (DEF) Refractometer Kit - Includes Refractometer, Dropper, Lens Wipe Cloth, Instructions And Quick Start Guide,
Amazon.com
355
$14.66
$19.99
Performance Tool W16500 Professional DEF Tester (Disc Type DEF, Diesel Exhaust Fluid Tester)
Amazon.com
249
26% off
$14.66
$19.99
Performance Tool W16500 Professional DEF Tester (Disc Type DEF, Diesel Exhaust Fluid Tester)
Amazon.com
249
$23.99
DEF Refractometer For Measuring Diesel Exhaust Fluid Concentration Of Diesel Engines
Amazon.com
724
$23.99
DEF Refractometer For Measuring Diesel Exhaust Fluid Concentration Of Diesel Engines
Amazon.com
724
$123.29
Test Products Intl. Refractometer: Battery Fluid/DEF/Ethylene Glycol/Propylene Glycol, Analog Model: 395
Grainger
$123.29
Test Products Intl. Refractometer: Battery Fluid/DEF/Ethylene Glycol/Propylene Glycol, Analog Model: 395
Grainger
$24.99
AMTAST DEF Refractometer 0-40% Adblue Diesel Exhaust Fluid Urea Concentration Refractometer Hand Held Refractometer With ATC For Automotive Diesel,
Amazon.com
120
$24.99
AMTAST DEF Refractometer 0-40% Adblue Diesel Exhaust Fluid Urea Concentration Refractometer Hand Held Refractometer With ATC For Automotive Diesel,
Amazon.com
120
$119.66
Fuelworks 1 in. FNPT In-Line Digital Chemical / DEF Meter - 15221005
John M. Ellsworth Co., Inc.
$119.66
Fuelworks 1 in. FNPT In-Line Digital Chemical / DEF Meter - 15221005
John M. Ellsworth Co., Inc.
$455.00
Reichert Pocketchek Def Chek Diesel Exhaust Fluid Tester | Tequipment
TEquipment
$455.00
Reichert Pocketchek Def Chek Diesel Exhaust Fluid Tester | Tequipment
TEquipment
$49.95
1-DEF Diesel Exhaust Fluid Hydrometer Tester Tool
Freedom Racing Tool and Auto, LLC
$49.95
1-DEF Diesel Exhaust Fluid Hydrometer Tester Tool
Freedom Racing Tool and Auto, LLC
$142.09
Handheld DEF (Urea) Refractometer, VEE GEE Scientific - 43071
The Lab Depot
$142.09
Handheld DEF (Urea) Refractometer, VEE GEE Scientific - 43071
The Lab Depot
$196.65
PIUSI 1 in. BSP TURBINOX DEF Pulse Meter - F0042000A
John M. Ellsworth Co., Inc.
$196.65
PIUSI 1 in. BSP TURBINOX DEF Pulse Meter - F0042000A
John M. Ellsworth Co., Inc.
$169.49
OTC Refractometer: DEF, +/-0.5% Accuracy, Auto, Analog, 0.005 Model: 5025
Grainger
355
$169.49
OTC Refractometer: DEF, +/-0.5% Accuracy, Auto, Analog, 0.005 Model: 5025
Grainger
355
$545.71
Reichert Refractometer: ARLA/AUS32-Diesel Exhaust Fluid/DEF, +/- 0.1% Accuracy, Auto, Digital, 0.001 Model: 13940013
Grainger
$545.71
Reichert Refractometer: ARLA/AUS32-Diesel Exhaust Fluid/DEF, +/- 0.1% Accuracy, Auto, Digital, 0.001 Model: 13940013
Grainger
$275.76
Performance Tool DEF Fluid Test Kit: Diesel Fuel Test Swab, Diesel Exhaust Fluid Tester, Plastic Model: W16500
Grainger
1K+
$275.76
Performance Tool DEF Fluid Test Kit: Diesel Fuel Test Swab, Diesel Exhaust Fluid Tester, Plastic Model: W16500
Grainger
1K+
$192.99
OTC DEF Refractometer, 5025
Advance Auto Parts
355
$192.99
OTC DEF Refractometer, 5025
Advance Auto Parts
355
$334.72
Misco Pa201x-185, DEF-201 Digital Refractometer, Urea Scale - Urea-Based Diesel Exhaust Fluid
Selectum
$334.72
Misco Pa201x-185, DEF-201 Digital Refractometer, Urea Scale - Urea-Based Diesel Exhaust Fluid
Selectum
$165.99
OTC Tools Diesel Exhaust Fluid Refractometer - 32.5% Urea Solution, 0.5% Graduations, Model 5025
Northern Tool
355
$165.99
OTC Tools Diesel Exhaust Fluid Refractometer - 32.5% Urea Solution, 0.5% Graduations, Model 5025
Northern Tool
355
$213.21
Piusi K24 1 in. BSP DEF Meter W/ NPT Adapter - APIF00407340
John M. Ellsworth Co., Inc.
$213.21
Piusi K24 1 in. BSP DEF Meter W/ NPT Adapter - APIF00407340
John M. Ellsworth Co., Inc.
$120.99
OTC Tools 5025: OTC DEF Refractometers
Summit Racing
355
$120.99
OTC Tools 5025: OTC DEF Refractometers
Summit Racing
355

  • Fleetpride | DEF Tester - FleetPride

    https://www.fleetpride.com › category › tools
    About our ads
    SponsoredGet the parts you need, when and where you need them. FleetPride delivers with Pride. K…
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  • Diesel Exhaust Fluid Meters - DEF Meters

    https://www.jmesales.com
    About our ads
    SponsoredLeading Distributor Of Fluid Management Products. Talk To An Industry Expert Today!