CATEngine Parts

20r-1264-10r-1284-0r-9944 Fuel Injector — Cat 3512C 3516C

This fuel injector is a critical component of the engine's fuel system, precisely metering and delivering diesel fuel into the combustion chamber. It ensures optimal fuel atomization and combustion efficiency, meeting stringent OEM performance standards for a worn part. Failure often manifests as rough idling, loss of engine power, and increased exhaust smoke, indicating inconsistent fuel delivery.

Fuel Injector – Part No 20r-1264-10r-1284-0r-9944 – 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:'20r-1264-10r-1284-0r-9944', name:'Fuel Injector', brand:'CAT', brandSlug:'cat', category:'Engine Parts', catSlug:'engine-parts', condition:'OEM Aftermarket', description:'This fuel injector is a critical component of the engine\'s fuel system, precisely metering and delivering diesel fuel into the combustion chamber. It ensures optimal fuel atomization and combustion efficiency, meeting stringent OEM performance standards for a worn part. Failure often manifests as rough idling, loss of engine power, and increased exhaust smoke, indicating inconsistent fuel delivery.', xref:['20r-1264-10r-1284-0r-9944'], models:["CAT", "Engine", "3512C", "3516C", "3512", "3512B", "3508B", "3516B"], specs:[{key:'Part No',val:'20r-1264-10r-1284-0r-9944'},{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": "196-2776", "name": "Turbo Gta4294 Turbocharger", "slug": "196-2776"}, {"partNo": "5p-0375", "name": "Floating Seal", "slug": "5p-0375"}, {"partNo": "384-2964", "name": "Track Chain", "slug": "384-2964"}, {"partNo": "9N5403CK", "name": "1673C, 3304, 3306", "slug": "9N5403CK"}, {"partNo": "4I3665", "name": "Engine Parts Component", "slug": "4I3665"}, {"partNo": "155-9107", "name": "Piston Motor", "slug": "155-9107"}], 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 primary function of this fuel injector in the CAT 3512C engine?',a:'This fuel injector precisely controls the timing and amount of fuel injected into the combustion chamber for efficient power generation.'},{q:'How can I verify if this part number is correct for my specific CAT engine model?',a:'Confirm your engine\'s serial number against the compatibility list or consult a parts specialist with your full equipment details.'},{q:'What warranty is provided for this CAT fuel injector?',a:'This injector meets OEM performance standards and comes with a standard manufacturer\'s warranty against defects.'},{q:'Should I replace other fuel system components when installing a new injector?',a:'It is recommended to inspect the fuel filter, fuel lines, and injector seals for wear or damage during injector replacement.'}], 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": "Fuel Injector"}, {"key": "Material", "val": "Steel alloy and high-grade seals"}, {"key": "Application", "val": "Engine fuel injection system"}, {"key": "Service Life", "val": "Replace as needed based on performance diagnostics"}, {"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

196-2776
Turbo Gta4294 Turbocharger
5p-0375
Floating Seal
384-2964
Track Chain
9N5403CK
1673C, 3304, 3306
4I3665
Engine Parts Component
155-9107
Piston Motor

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 TypeFuel Injector
MaterialSteel alloy and high-grade seals
ApplicationEngine fuel injection system
Service LifeReplace as needed based on performance diagnostics
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing injector include a noticeable drop in engine performance and increased fuel consumption. If ignored, the issue can lead to uneven engine running, misfires, and potential damage to other engine components due to improper combustion. Continued operation with faulty injectors risks compromising overall engine health and reliability.

Installation Tip

Ensure the injector bore is thoroughly cleaned of any carbon deposits before installation to prevent leaks. Avoid overtightening the injector hold-down clamp, as this can distort the injector body.

Service Note

Inspect the fuel filter and fuel lines for contamination or blockage when replacing a fuel injector.