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Kalmar Ottawa  |  SKU: 8600553-2S1

8600553-2S1 | Genuine Kalmar Ottawa® DEF Sensor Head Assy 40 MICRON, 18"

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Description:
A DEF (Diesel Exhaust Fluid) Sensor Head Assembly 8600553-2S1 is a critical emissions control component in modern diesel engines equipped with Selective Catalytic Reduction (SCR) systems. It monitors and manages various aspects of the DEF tank and fluid, ensuring that the vehicle meets emissions regulations by properly injecting DEF into the exhaust stream. DEF Sensor Head Assy 40 MICRON, 18" For E-ONE, Capacity, Kalmar Ottawa, Lodal, REV PARTS LLC, Rosenbauer, TEREX, Westman Equipment, Rosenbauer, E-ONE, Navistar / International

Part Number: 8600553-2S1
Condition: New
Manufacture/Brand: Kalmar Ottawa

Specifications For 8600553-2S1:

Electrical Connector: Deutsch DT4 (STD)
Sensor Type: Analog
DEF Header Height (IN): 18
DEF Suction Fitting Dia. (IN): 3/8 SAE J2044
DEF Return Fitting Dia. (IN): 5/16 SAE J2044
Coolant Inlet Fitting Dia. (IN): 5/8 Hose Bead
Coolant Outlet Fitting Dia. (IN): 5/8 Hose Bead
In-Tank Filter: 40µ
Tank Interface: 4.05 Dia. Bore Seal



Fits 8600553-2S1 For E-ONE, Capacity, Kalmar Ottawa, Lodal, REV PARTS LLC, Rosenbauer, TEREX, Westman Equipment, Rosenbauer, E-ONE, Navistar / International

Purpose of using 8600553-2S1:

Function Purpose
Level Sensor Detects how much DEF is in the tank
Quality Sensor Measures DEF concentration (should be 32.5% urea / 67.5% deionized water)
Temperature Sensor Monitors DEF temperature to prevent freezing or overheating
Heater Warms DEF in cold weather so it can flow to the injector
Filter Prevents debris from entering the DEF injection system
Electronic Interface Communicates with the Engine Control Module (ECM) via CAN bus


Signs of a Bad DEF Sensor Head 8600553-2S1:

  • DEF level or quality fault codes

  • "Incorrect DEF Quality" warning

  • DEF tank shows full/empty incorrectly

  • Engine derates or restricts speed

  • Emissions system warnings


About the Manufacturer – Kalmar Ottawa:

Kalmar Ottawa is a leading manufacturer of terminal tractors (also known as yard trucks or spotter trucks), widely used in distribution centers, ports, rail terminals, and industrial facilities. Based in Ottawa, Kansas, the company is known for producing durable, efficient, and operator-friendly vehicles designed for moving trailers quickly and safely within confined yards. As a part of the global Kalmar brand, Kalmar Ottawa combines American-built reliability with advanced automation and emissions-compliant diesel or electric drivetrains.

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