CATHydraulic Parts

1070268 Valve Seat Insert (Inlet) — Cat 120G 12G

This is an inlet valve seat insert, a critical component within the engine's cylinder head that seals the intake valve. Manufactured to precise specifications, it ensures proper valve seating and combustion efficiency, unlike a worn or damaged seat that can cause leaks. Operators may experience rough idling, loss of engine power, or increased exhaust emissions when this valve seat fails.

Valve Seat Insert (Inlet) – Part No 1070268 – CAT Spare Part
Part Specifications
BrandCAT
CategoryHydraulic 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:'1070268', name:'Valve Seat Insert (Inlet)', brand:'CAT', brandSlug:'cat', category:'Hydraulic Parts', catSlug:'hydraulic-parts', condition:'OEM Aftermarket', description:'This is an inlet valve seat insert, a critical component within the engine\'s cylinder head that seals the intake valve. Manufactured to precise specifications, it ensures proper valve seating and combustion efficiency, unlike a worn or damaged seat that can cause leaks. Operators may experience rough idling, loss of engine power, or increased exhaust emissions when this valve seat fails.', xref:['1070268'], models:['120G','12G','12H','12H es','12H NA','130G','140G','140H','140H es','140H NA','143H','14G','14H NA','160G','160H','160H es'], specs:[{key:'Part No',val:'1070268'},{key:'Brand',val:'CAT'},{key:'Category',val:'Hydraulic 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": "1H2854", "name": "Straight", "slug": "1H2854"}, {"partNo": "2253100", "name": "Plate-Spacer", "slug": "2253100"}, {"partNo": "1P4582", "name": "2\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\", "slug": "1P4582"}, {"partNo": "9T0143", "name": "Caterpillar Cylinder Gp- Ripper Tilt 9T0143", "slug": "9T0143"}, {"partNo": "1309041", "name": "Cylinder Gp- Steering", "slug": "1309041"}, {"partNo": "1981142", "name": "Hydraulic Component", "slug": "1981142"}], 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 a valve seat insert in an engine?',a:'The valve seat insert provides a precisely machined surface for the intake or exhaust valve to seal against, ensuring proper cylinder compression and combustion.'},{q:'How can I confirm if part 1070268 is the correct inlet valve seat for my 12G motor grader?',a:'Always consult your equipment\'s service manual or parts catalog, referencing the specific model and serial number to verify correct fitment.'},{q:'What quality standards does this aftermarket valve seat meet?',a:'This valve seat insert is manufactured to meet OEM specifications for material hardness, dimensions, and performance.'},{q:'What is the typical procedure for replacing valve seat inserts?',a:'Replacement usually involves specialized tools to remove the old insert and press or shrink-fit the new one, followed by precise machining to ensure a perfect seal.'}], categoryDesc:'CAT Hydraulic Parts from Parts Trading Company cover the full range of CAT equipment. We supply OEM-specification aftermarket hydraulic parts sourced from certified manufacturers. PTC has supplied CAT hydraulic parts to customers across India, UAE, Russia, Indonesia, and Africa since 1956. Our Mumbai warehouse stocks high-turnover CAT hydraulic parts for same-day dispatch before 3 PM IST.', aiSpecs:[{"key": "Part Type", "val": "Valve Seat Insert (Inlet)"}, {"key": "Material", "val": "Hardened Steel Alloy"}, {"key": "Application", "val": "Engine Cylinder Head (Inlet)"}, {"key": "Service Life", "val": "Replace as needed during engine overhaul"}, {"key": "Compatibility", "val": "OEM specification"}, {"key": "Condition", "val": "New \u2014 OEM specification aftermarket"}],};script src="/assets/js/product-page.js">

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Installation & Application Notes

Flush hydraulic lines before fitting new components. Use only manufacturer-specified hydraulic fluid. Check O-rings and backup rings for correct orientation. Bleed air from system after installation.

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

Part TypeValve Seat Insert (Inlet)
MaterialHardened Steel Alloy
ApplicationEngine Cylinder Head (Inlet)
Service LifeReplace as needed during engine overhaul
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A worn inlet valve seat may initially cause a slight loss of engine power or a subtle increase in exhaust noise. If the wear progresses, it can lead to significant power loss, misfires, and increased fuel consumption. The most critical consequence is potential valve damage and compromised engine performance, requiring extensive repairs.

Installation Tip

Ensure the cylinder head bore is meticulously cleaned and free of any burrs or imperfections before attempting installation. Never attempt to force the insert into place; it should be a precise fit, often requiring heat or specialized tooling.

Service Note

When replacing valve seat inserts, it is also recommended to inspect and, if necessary, replace the valve guides and the valves themselves.