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Racor

Racor | Water In Fuel Sensor (WIF) | 2001-2010 GM / Chevrolet 6.6L Duramax - LB7, LLY, LBZ, LMM | RK42043

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SKU:
RCRK42043
MPN:
RK42043
Weight:
1.00 LBS
Only $31.83

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Description

Racor Water-In-Fuel Sensor | RK42043 | GM/Chevrolet Duramax 6.6L LB7, LLY, LBZ, LMM (2001–2010)

Protect Your Diesel System from Water Contamination

The Racor RK42043 Water-In-Fuel (WIF) Sensor is a direct-fit replacement for 2001–2010 GM/Chevrolet 6.6L Duramax diesel engines, including LB7, LLY, LBZ, and LMM variants. This sensor detects water in the fuel system, helping prevent injector damage, poor performance, and costly repairs.

Key Features:

  • OE Quality Sensor – Designed to meet or exceed factory specifications.
  • Reliable Water Detection – Alerts to water presence in the fuel filter.
  • Durable Construction – Built to withstand harsh diesel environments.
  • Plug-and-Play Installation – Easy replacement with factory-style connector.

Compatible Applications:

  • GM/Chevrolet Silverado & Sierra HD (2001–2010)
  • Vehicles equipped with 6.6L Duramax LB7, LLY, LBZ, LMM engines
Brand:  RC -  Racor
Part Description:  Racor | Water In Fuel Sensor (WIF) | 2001-2010 GM / Chevrolet 6.6L Duramax 
Our Part Number: RK42043
Cross Reference Numbers:  12639277, 12639450 
Product Notes:
- For LB7, LLY, LBZ, LMM
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Warranty Information

12 Month
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Additional Information

Cross References:
12639277, 12639450
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Using and/or handling these products may expose you to chemicals that include toluene and/or benzene, which are known by the State of California to cause cancer, birth defects and/or other reproductive harm.  Learn More at p65warnings.ca.gov

VERIFY FITMENT

Applications are provided as reference only. Please verify fitment by cross-referencing your original part number with the numbers provided on this page.

 
RETURNING USED CORES

Most remanufactured parts require a core charge. If you purchase an item from Cardinal Parts that requires a core charge, you will be eligible for core credit upon returning your old core unit within 30 days. Return the core in the box you received your new/reman product in. If the box is damaged, contact us at Support@CardinalParts.com.

 

Please Note: 

-Drain fluids from the core, place it in a plastic bag to prevent leakage, and pack it in the box.

-Incomplete, burnt, tampered, damaged, or disassembled cores will not be accepted.

-Customers are responsible for return shipping costs. For questions, contact us at 888-314-7222.

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