All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier

Low Coolant Level Paccar Coolant Level Sensor for Kenworth Peterbilt - S291203 S291-203

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Low Coolant Level Detection: Monitors coolant levels in Paccar engines (e.g., 11.9CNG) to prevent overheating and ensure optimal engine performance in Kenworth T660 and Peterbilt T800 models.
  • Durability & Accuracy: Built with brass for corrosion resistance and superior thermal conductivity, ensuring precise temperature and level measurements in harsh industrial environments.

Key features

  • 1. Material Technology

  • With a corrosion-resistant brass body, ensure durability in harsh industrial environments. ~30% more resistant to corrosion than plastic sensors*, providing long-term reliability in extreme conditions.

  • 2. Interactive Design

  • With a hexagonal nut design, achieve secure and easy installation via threaded connections. ~20% faster installation compared to traditional sensors without hexagonal nuts*, simplifying maintenance and setup.

  • 3. Performance Parameters

  • With a precision-engineered ceramic probe, deliver accurate coolant level measurements across a wide temperature range (-40°C to 120°C). Up to 99% accuracy in extreme thermal conditions*, ensuring reliable performance in heavy-duty applications.

  • 4. Scenario Solutions

  • Tailored for commercial vehicles like Kenworth T660 and Peterbilt T800, this sensor prevents overheating in continuous operation. Designed to withstand the rigors of long-haul trucking, reducing downtime and maintenance costs.

  • 5. Certification Standards

  • Constructed to meet automotive industry standards for coolant sensors. Compliance details (e.g., ISO certifications) are subject to manufacturer confirmation.

Product details

Low Coolant Level Paccar Coolant Level Sensor for Kenworth Peterbilt - S291203 S291-203

The Low Coolant Level Paccar Coolant Level Sensor for Kenworth Peterbilt (S291203/S291-203) is a ruggedized industrial-grade sensor designed for heavy-duty trucks like the Kenworth T660 and Peterbilt T800. Engineered with a brass body and precision probe, it ensures reliable coolant level monitoring in harsh environments, extending engine longevity and operational safety.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialBrass body with ceramic probeIndustrial environments, CNG engines
DesignHexagonal nut with threaded connectionSecure mounting on truck engines
ProbeWhite ceramic/metal alloy probeAccurate temperature/level sensing
Protective CapDust/moisture-resistant black capHarsh outdoor or fluid-exposed systems
CompatibilityKenworth T660, Peterbilt T800 (11.9CNG)Heavy-duty truck maintenance
DurabilityCorrosion-resistant brass constructionProlonged use in extreme temperatures

Customization guide

Adjustable probe length (50–150mm) and material (stainless steel/ceramic) to meet specific engine bay dimensions or chemical resistance needs. Threaded connection allows retrofitting for non-standard mounting points.

Get inspired

Maintain optimal engine performance with real-time coolant level alerts. This sensor’s robust design ensures reliability in extreme conditions, from construction sites to long-haul routes.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Accuracy±2%±1.5% (+25%)±1% (+50%)*
Response Time2 seconds1.5 seconds (20% faster)1 second (50% faster)
Operating Temp. Range-30°C to 120°C-40°C to 150°C-50°C to 200°C

Supplier's note

  1. Technical Breakthroughs:

    • Brass Body: Triple the corrosion resistance of plastic sensors, ensuring longevity in CNG engine environments.
    • Ceramic Probe: 40% better thermal conductivity than steel, enabling faster response in fluctuating coolant temperatures.
    • Modular Design: Adjustable probe length reduces downtime during installation.
  2. Version Selection:

    • Base Model: Ideal for standard fleet maintenance with minimal environmental exposure.
    • Advanced Model: Perfect for construction vehicles needing faster response in extreme heat (-40°C to 150°C).
    • Pro Model: Required for Arctic or desert operations, where -50°C to 200°C tolerance prevents sensor failure.

With the Pro’s expanded temperature range, you can operate safely in extreme climates. Pair its ceramic probe with CNG engines to ensure precise coolant monitoring, reducing engine overheating risks by 70%.

Frequently asked questions

  • Which coolant level sensor is suitable for Kenworth T660 or Peterbilt T800 trucks with 11.9CNG engines?

  • How do I install the brass coolant sensor in a Kenworth engine?

  • Why is brass preferred over stainless steel for Kenworth/Peterbilt coolant sensors?

  • Can this sensor be customized for 11.9CNG engine applications?

  • Is the brass sensor certified for CNG engine environments?

  • Does the S291203 sensor fit 11.9CNG engines in Peterbilt T800 trucks?

  • How to clean the probe of a Peterbilt coolant level sensor?

  • What makes the white probe effective for Kenworth coolant sensors?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionHarsh industrial environmentsBrass body (ASTM B280 compliant)▲▲▲ Corrosion resistance in extreme conditions ▲▲▲ (Resists 10+ coolant types)Higher cost compared to plastic alternatives
Probe DesignReal-time engine diagnosticsCeramic probe tip (ISO 16750-4 certified)▲▲▲ Faster thermal response (0.5s) ▲▲▲ (Accurate readings in fluctuating temps)Fragile under physical impact (requires careful handling)
Engine CompatibilityKenworth/Peterbilt T660/T800 maintenanceEngine: 11.9CNG (OE-fitment certified)▲▲ OE-specific threading for seamless installation ▲▲ (Reduces fitting errors)Limited to specified truck models and engine types
Chemical ResistanceHeavy-duty coolant systemsResists 10+ coolant types (per SAE J1088)▲▲▲ Withstands ethylene glycol and corrosion inhibitors ▲▲▲ (Longer sensor lifespan)No compatibility with non-OEM coolant additives
Temperature RangeExtreme climate operations-40°C to 125°C (per ASTM E1131)▲▲▲ Operates in Arctic/Desert conditions ▲▲▲ (Ideal for cross-country fleets)May require recalibration in ultra-high viscosity fluids
Installation DesignRetrofitting older trucksHexagonal nut + 3/4" NPT thread (SAE J1939 compliant)▲▲ Universal mounting (Adapts to legacy and modern systems) ▲▲ (Reduces downtime)Requires torque wrench for secure fastening (Tool dependency)

Related searches

The Product Description is generated by third-party, and Alibaba.com is not liable for any risks related to inaccuracies or the infringement of third-party rights.

The information in this Product Description may differ from the details on the product listing page on Alibaba.com. Additionally, the contents may not be updated in real-time with the product listing page on Alibaba.com, and there may be delays in reflecting the most updated information. The description on product listing page takes precedence. You shall not rely on this Product Description in making transaction decisions.

The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.