CATEngine Parts

481-6691-4816691 Oil Level Sensor 481 6691 — Cat 323Fln

This oil level sensor is an integral part of the engine's monitoring system, accurately measuring the engine oil level and signaling the control unit. Manufactured to meet stringent OEM quality standards, it provides reliable data, unlike a worn or contaminated sensor that may give false readings. Operators may observe incorrect oil level warnings, the absence of low oil level alerts, or potential engine damage if this sensor fails to function correctly.

Oil Level Sensor 481 6691 – Part No 481-6691-4816691 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

WhatsApp for Price & Availability☎ Call Mumbai Office

Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

const P = { partNo:'481-6691-4816691', name:'Oil Level Sensor 481 6691', brand:'CAT', brandSlug:'cat', category:'Engine Parts', catSlug:'engine-parts', condition:'OEM Aftermarket', description:'This oil level sensor is an integral part of the engine\'s monitoring system, accurately measuring the engine oil level and signaling the control unit. Manufactured to meet stringent OEM quality standards, it provides reliable data, unlike a worn or contaminated sensor that may give false readings. Operators may observe incorrect oil level warnings, the absence of low oil level alerts, or potential engine damage if this sensor fails to function correctly.', xref:['481-6691-4816691'], models:["CAT", "Engine", "Excavator", "323Fln"], specs:[{key:'Part No',val:'481-6691-4816691'},{key:'Brand',val:'CAT'},{key:'Category',val:'Engine Parts'},{key:'Condition',val:'Aftermarket — OEM Specification'},{key:'Dispatch',val:'Same-day from Mumbai (before 3 PM IST)'},{key:'GST Invoice',val:'Available — all orders'},{key:'Export Docs',val:'Commercial invoice, packing list, COO'}], relatedParts:[{"partNo": "4p-9537", "name": "Harness Assembly", "slug": "4p-9537"}, {"partNo": "3g-2237-3g2237", "name": "Vane Pump Cartridge 3G 2237", "slug": "3g-2237-3g2237"}, {"partNo": "329-5769", "name": "Harness", "slug": "329-5769"}, {"partNo": "230-7965", "name": "Piston Motor", "slug": "230-7965"}, {"partNo": "301-3118", "name": "Coil", "slug": "301-3118"}, {"partNo": "345-3464", "name": "6 Blades Fan", "slug": "345-3464"}], reviews:[{name:'Vikram Singh',loc:'Delhi, India',rating:5,text:'CAT part arrived fast. OEM specification, fits perfectly in my 320D. Highly recommend PTC.'},{name:'Ibrahim Al Rashid',loc:'Dubai, UAE',rating:5,text:'Great service and fast shipping to UAE. The CAT part was exactly as described. Very reliable supplier.'},{name:'Pradeep Sharma',loc:'Nagpur, Maharashtra, India',rating:4,text:'Quick response, good quality. Team confirmed compatibility before dispatch which I appreciated.'}], faq:[{q:'What is the function of the oil level sensor in a CAT engine?',a:'It continuously monitors the engine oil level and communicates this information to the operator or engine control module to prevent operation with insufficient oil.'},{q:'How can I confirm if part number 481-6691 fits my CAT 323Fln excavator?',a:'Verify the part number 481-6691 against your machine\'s parts manual or provide your equipment\'s serial number for precise fitment verification.'},{q:'What is the warranty coverage for this CAT oil level sensor?',a:'This sensor is covered by a warranty against manufacturing defects, ensuring reliable performance and protection for your engine.'},{q:'What could cause an oil level sensor to fail?',a:'Common causes include contamination from dirty oil, electrical connection issues, or internal component failure due to age or operating conditions.'}], categoryDesc:'CAT Engine Parts from Parts Trading Company cover the full range of CAT equipment. We supply OEM-specification aftermarket engine parts sourced from certified manufacturers. PTC has supplied CAT engine parts to customers across India, UAE, Russia, Indonesia, and Africa since 1956. Our Mumbai warehouse stocks high-turnover CAT engine parts for same-day dispatch before 3 PM IST.', aiSpecs:[{"key": "Part Type", "val": "Oil Level Sensor"}, {"key": "Material", "val": "Plastic, electronic components"}, {"key": "Application", "val": "Engine oil level monitoring"}, {"key": "Service Life", "val": "Replace based on diagnostic codes or failure"}, {"key": "Compatibility", "val": "OEM specification"}, {"key": "Condition", "val": "New \u2014 OEM specification aftermarket"}],};script src="/assets/js/product-page.js">

Related CAT Parts

From the same category — may also be needed

4p-9537
Harness Assembly
3g-2237-3g2237
Vane Pump Cartridge 3G 2237
329-5769
Harness
230-7965
Piston Motor
301-3118
Coil
345-3464
6 Blades Fan

Browse all CAT Engine Parts →

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Installation & Application Notes

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeOil Level Sensor
MaterialPlastic, electronic components
ApplicationEngine oil level monitoring
Service LifeReplace based on diagnostic codes or failure
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

An initial symptom of a failing oil level sensor might be an inaccurate display of the oil level or a false low oil warning. If the sensor fails completely, the system will not be alerted to critically low oil levels, potentially leading to insufficient lubrication. The ultimate risk is severe engine damage due to prolonged operation without adequate oil.

Installation Tip

Ensure the oil sump is clean and free of sludge around the sensor mounting area before installation. Be careful not to overtighten the sensor, as this can damage the threads or the sensor housing.

Service Note

Check the engine oil level and condition, and inspect the wiring harness and connector for the sensor for any signs of damage or corrosion during replacement.