CATEngine Parts

3979294 Engine Parts Component — Cat 320D

This engine component is a vital part of the CAT 320D series engine, contributing to its overall performance and reliability. Manufactured to meet stringent aftermarket standards, it offers comparable durability to original parts, ensuring proper engine function. Observable symptoms of failure include unusual engine noises, a decrease in power, or difficulty starting.

Engine Parts Component – Part No 3979294 – 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:'3979294', name:'Engine Parts Component', brand:'CAT', brandSlug:'cat', category:'Engine Parts', catSlug:'engine-parts', condition:'OEM Aftermarket', description:'This engine component is a vital part of the CAT 320D series engine, contributing to its overall performance and reliability. Manufactured to meet stringent aftermarket standards, it offers comparable durability to original parts, ensuring proper engine function. Observable symptoms of failure include unusual engine noises, a decrease in power, or difficulty starting.', xref:['3979294'], models:["320D"], specs:[{key:'Part No',val:'3979294'},{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": "1059218", "name": "Piston Gr/ With Rings", "slug": "1059218"}, {"partNo": "175-2949", "name": "Fuel Water Separator", "slug": "175-2949"}, {"partNo": "3260504", "name": "Engine Parts Component", "slug": "3260504"}, {"partNo": "308-7698", "name": "Oil Pressure Switch", "slug": "308-7698"}, {"partNo": "5m-7294", "name": "Floating Seal", "slug": "5m-7294"}, {"partNo": "2276081", "name": "Gear Gr - Swing Bearing", "slug": "2276081"}], 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 specific function does part 3979294 serve in the CAT 320D engine?',a:'This component plays a role in the engine\'s internal mechanical operation, contributing to power delivery and efficiency.'},{q:'Is this CTP aftermarket part a direct replacement for the OEM component?',a:'Yes, this CTP aftermarket part is designed to meet OEM specifications for fit, form, and function in the specified CAT engine models.'},{q:'What is the warranty on this CAT engine part?',a:'This CTP aftermarket replacement part comes with a warranty covering manufacturing defects, providing peace of mind for your repair.'},{q:'What should be checked when installing part 3979294?',a:'When installing this engine component, it is crucial to verify that all related mounting hardware is present and correctly torqued, and that adjacent components are free of damage.'}], 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": "Engine Component"}, {"key": "Material", "val": "High-strength steel"}, {"key": "Application", "val": "CAT 320D Series Engines"}, {"key": "Service Life", "val": "Replace based on inspection or performance issues"}, {"key": "Compatibility", "val": "OEM specification"}, {"key": "Condition", "val": "New \u2014 CTP aftermarket replacement"}],};script src="/assets/js/product-page.js">

Related CAT Parts

From the same category — may also be needed

1059218
Piston Gr/ With Rings
175-2949
Fuel Water Separator
3260504
Engine Parts Component
308-7698
Oil Pressure Switch
5m-7294
Floating Seal
2276081
Gear Gr - Swing Bearing

Browse all CAT Engine Parts →

Ship This Part To Your Location

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India
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Full shipping information on regional pages · Air freight 2–12 days · GST invoice for India

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 TypeEngine Component
MaterialHigh-strength steel
ApplicationCAT 320D Series Engines
Service LifeReplace based on inspection or performance issues
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

Initial symptoms might include subtle changes in engine sound or a slight hesitation during acceleration. If the issue progresses, the engine may exhibit a more pronounced loss of power, rough idling, or increased emissions. Ignoring a failing component can lead to reduced operational efficiency and potential damage to other engine systems.

Installation Tip

Ensure all mating surfaces are clean and free of old gasket material before installation. Properly align the component to avoid stressing mounting points during fastener tightening.

Service Note

Inspect related seals, gaskets, and fluid lines for any signs of leakage or wear during the replacement process.