Skip to content
Free Standard Shipping on Eligible Orders Over $100 in the Contiguous U.S.
Free Standard Shipping on Eligible Orders Over $100 in the Contiguous U.S.
Search
5913429 Genuine Caterpillar DEF Diesel Exhaust Fluid Sensor Head

5913429 Genuine Caterpillar DEF Diesel Exhaust Fluid Sensor Head

P/N: 5913429 Manufactured by: Caterpillar
$1,099.00 - $1,099.00
$1,099.00
$1,099.00 - $1,099.00
$1,099.00
1 in Stock
Condition: New
We accept:
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa
Not Sure Which Part Fits?Our support team is here to help.
+1 (828) 209-8010
Monday – Saturday | 8:00 AM – 8:00 PM (EST)
Fast 2–3 Day Shipping
30-Day Returns
In Stock & Ships Fast
Expert Support Available
2-Year Warranty

At Line Truck Parts LLC, we are committed to providing reliable automotive parts and a transparent customer experience. Eligible parts purchased directly from our website are covered by a 2-Year Limited Warranty, giving you added confidence in your purchase. Learn More

Product Overview

The 5913429 is a genuine Caterpillar DEF Diesel Exhaust Fluid Sensor Head designed for diesel exhaust fluid tank monitoring applications. This multifunction head unit operates within the DEF system, monitoring fluid level and system data through a digital CAN bus sensor interface.

Product Features

The 5913429 DEF Diesel Exhaust Fluid Sensor Head is manufactured to Caterpillar factory specifications for DEF tank monitoring.

  • Monitors diesel exhaust fluid tank conditions
  • Uses digital CAN bus communication
  • Supports DEF suction and return line connections
  • Incorporates coolant inlet and outlet interfaces
  • Equipped with a Deutsch DT4 electrical connector
  • Includes integrated in-tank filtration capability

Technical Specifications

Condition New
Part Number 5913429
Brand Caterpillar
Part Type DEF Diesel Exhaust Fluid Sensor Head
DEF Header Height 18.1 in
DEF Return Fitting Dia. 5/16 SAE J2044
Coolant Outlet Fitting Dia. 5/8 Hose Bead
Tank Interface 4.05 Dia. Bore Seal
Electrical Connector Deutsch DT4 (STD)
Sensor Type Digital (CAN Bus)
DEF Suction Fitting Dia. 3/8 SAE J2044
Coolant Inlet Fitting Dia. 5/8 Hose Bead
In-Tank Filter 40µ


Installation Notes

The 5913429 DEF Diesel Exhaust Fluid Sensor Head should be matched to the correct tank configuration and electrical connection before installation. Inspect the tank seal, coolant fittings, DEF lines, and wiring harness connection during service.

Verify part number, VIN, engine configuration, production date, emissions package, and applicable factory options before installation.