CATEngine Parts

1V7785 Spring — Cat 955K 955L

This spring is a critical component within the engine's valve train system, responsible for returning valves to their closed position after actuation. It is manufactured to meet stringent OEM quality standards, ensuring consistent performance and durability compared to a worn or weakened spring. Operators may notice a loss of engine power, rough idling, or misfires when this spring begins to fail.

Spring – Part No 1V7785 – 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

patch before 3 PM IST.', };

Related CAT Parts

From the same category — may also be needed

1869285
Engine Parts Component
176-7705
Temperature Sensor
1243524
Piston As
421-5481
Hydraulic Oil Filter
1289278
Arm Cylinder Seal Kit
5w-5890
Air Filter

Browse all CAT Engine Parts →

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

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 Valve Spring
MaterialHigh-tensile steel alloy
ApplicationEngine valve train
Service LifeReplace every 4,000 hrs or as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing spring may initially cause intermittent misfires or a slight reduction in engine power. If left unaddressed, the valve may not seat correctly, leading to poor compression and potential damage to other valve train components. Continued operation with a weakened spring risks incomplete combustion and reduced engine efficiency.

Installation Tip

Ensure the valve spring compressor tool is correctly seated to avoid damaging the valve stem or spring retainer. Do not reuse old valve keepers, as they can be brittle and prone to failure.

Service Note

Inspect the valve, valve seat, and valve stem seals for wear or damage when replacing the spring.