CATHydraulic Parts

7N7998 Plate-Spacer — Cat 12G 12H

This spacer plate is a precision-machined component designed to maintain specific clearances within the hydraulic system, ensuring proper operation of gears and other moving parts. Manufactured to meet rigorous standards, it provides consistent performance and durability, unlike worn or damaged plates that can lead to misalignment. Operators might observe increased noise from the hydraulic pump, reduced hydraulic pressure, or erratic system performance when this spacer is compromised.

Plate-Spacer – Part No 7N7998 – 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.

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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 TypeSpacer Plate
MaterialHardened Steel
ApplicationHydraulic Pump/Transmission
Service LifeReplace as needed based on inspection
Compatibility12G, 12H, 12H es, 12H NA, 140G
ConditionNew — OEM specification aftermarket

Failure Symptoms

An early indicator of a failing spacer plate might be an increase in operational noise from the hydraulic pump or transmission. If ignored, this can progress to a loss of hydraulic pressure, decreased system efficiency, and potential gear damage due to improper spacing. Continued use risks significant internal component wear and potential pump or transmission failure.

Installation Tip

Ensure all mating surfaces are perfectly clean and free of old gasket material or debris before installing the spacer plate. Avoid using excessive force to seat the plate, as it should fit snugly without distortion.

Service Note

When replacing a spacer plate, inspect gears, bearings, and seals within the hydraulic pump or transmission for any signs of wear or damage.