CATExhaust & Turbo

3s4259 Turbocharger Component — Cat D8H Engine: D342

This turbocharger component is designed to enhance engine performance by increasing the volume of air delivered to the cylinders, leading to improved combustion and power. Manufactured to meet rigorous OEM quality standards, it offers robust performance and longevity under demanding operating conditions. Observable symptoms of failure include a noticeable loss of engine power, increased exhaust smoke, and unusual noises emanating from the turbocharger assembly.

Turbocharger Component – Part No 3s4259 – CAT Spare Part
Part Specifications
BrandCAT
CategoryExhaust & Turbo
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

/script>

Related CAT Parts

From the same category — may also be needed

1055059
Turbocharger Component
2375271,1956000
Turbocharger Component
9L5918, 2P4664
Turbocharger Component
3G2722
Cartridge Gp
8s8039
Turbocharger Component
4N6700
Turbocharger Component

Browse all CAT Exhaust Turbo →

Ship This Part To Your Location

DubaiSaudi ArabiaNigeriaKenyaSouth AfricaBangladeshMalaysiaGhanaQatarEgypt
India
MaharashtraGujaratTamil NaduRajasthanKarnatakaTelangana

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

Installation & Application Notes

Allow turbo to idle 2–3 minutes before shutdown — this circulates oil through bearings and prevents coking. Check oil feed and drain lines for blockages before fitting new turbo. Replace oil and filter when fitting new turbo — old oil contains metal particles.

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

Part TypeTurbocharger Component
MaterialCast iron and steel alloy
ApplicationTurbocharger assembly
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A common sign of failure is a significant reduction in engine power and sluggish acceleration. The exhaust may appear darker due to incomplete combustion, and a distinct whining or whistling sound from the turbocharger can be heard. Ignoring these symptoms can lead to increased oil consumption and potential damage to the engine's internal components.

Installation Tip

Ensure all oil passages are clean and free of debris before connecting the oil supply line to prevent immediate bearing damage. Do not rotate the turbocharger shaft by hand excessively before mounting, as this can dislodge internal components.

Service Note

Inspect the engine oil and filter, as well as the air intake system, for any signs of contamination or restriction when replacing this turbocharger component.