Cylinder Liner Block for Caterpillar 7 8R-4071

8R‑4071 MASTER CYLINDER KIT for CAT 910H 910G II 910F

8R‑4071 MASTER CYLINDER KIT is a complete master cylinder assembly kit designed for CAT 910H, 910G II and 910F wheel loaders. As a key hydraulic control component kit, it contains master cylinder body, sealing assemblies and matching auxiliary parts. This kit delivers stable hydraulic power output for machine control functions, maintains reliable pressure transmission under frequent operation, heavy‑load impact and continuous vibration on construction sites, and guarantees sensitive and stable response of wheel loader working mechanisms.

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Technical Specifications

AttributeValue
Part Number8R‑4071
Part NameMASTER CYLINDER KIT
BrandCAT Standard Replacement Part
Compatible ModelsCAT 910H, 910G II, 910F
Weight1.158 kg
FunctionHydraulic master cylinder assembly, pressure transmission for control system
ConditionNew, Standard OEM Specification
OriginChina
Warranty6 months

Applications

Suitable for: Quarry material handling, stockyard loading‑unloading, municipal earth‑moving projects, farm land development, warehouse cargo handling and other construction‑site operations for CAT 910 series wheel‑type loaders.

Why Choose Us

Full‑range CAT 910 series wheel loader spare parts supply

We supply master cylinder kits, repair kits, hydraulic components and wearing parts for CAT 910H, 910G II, 910F wheel loaders, supporting accurate procurement by OEM part number.

Strict pre‑shipment quality inspection

Each 8R‑4071 master cylinder kit goes through dimensional check and sealing performance test before shipment. Every component is inspected to adapt to high‑frequency cyclic working conditions of wheel loaders.

Stock support for hydraulic overhaul components

Master cylinder kits are critical assemblies for wheel loader hydraulic system overhaul. We maintain available inventory to respond quickly to urgent on‑site maintenance demands and shorten equipment downtime.

Cost‑effective replacement spare parts

We deliver factory‑direct CAT replacement components for global machinery dealers, repair workshops and construction contractors without extra intermediate costs.

Mature global export service

We serve customers in multiple countries, providing complete export documents, moisture‑proof shock‑resistant packaging and flexible sea‑air transport solutions for cross‑border delivery.

Professional pre‑sales compatibility check

If you are not sure whether this master cylinder kit fits your CAT machine, provide the machine serial number, our team will confirm matching status within 24 hours to prevent wrong‑ordering.

Packaging

Hydraulic ports are protected by sealing caps. The master cylinder kit is wrapped with shock‑absorbing cushioning material to avoid collision, scratch and deformation during transit. Outer export carton is clearly marked with exact part number for inventory management and customs clearance.

Shipping

Sea freight is available for bulk orders. Air freight can be arranged for urgent overhaul repair work. In‑stock items will be shipped within 3‑7 working days after payment confirmation. Complete packing list and export documents will be provided.

FAQ

Q1: How do I confirm this master cylinder kit fits my CAT wheel loader?

Please send us your machine serial number and model, we will check compatibility for you before placing the order.

Q2: What symptoms mean the master cylinder kit needs replacement?

Insufficient control pressure, slow component response, internal / external hydraulic oil leakage, unstable operation are typical failure signs.

Q3: What is your delivery time?

In‑stock goods ship within 3‑7 working days. For out‑of‑stock items, we will confirm the exact lead time before order confirmation.

Q4: What does the warranty cover?

6‑month warranty covers manufacturing defects. Damage caused by improper installation, contaminated hydraulic oil, overload impact and normal operational wear is not covered.

Q5: How to get a quotation?

Provide the part number, purchase quantity and delivery address, our sales team will send a formal quotation within 24 hours.

Installation Guide

  1. Completely shut down the wheel loader, release residual hydraulic pressure of related hydraulic circuit to guarantee operation safety.
  2. Clean mounting base, hydraulic ports and connecting pipelines thoroughly, remove dirt, oil sludge and debris to prevent impurities entering hydraulic system.
  3. Inspect new 8R‑4071 master cylinder kit for deformation, scratch or seal damage before mounting.
  4. Align the master cylinder kit to installation position correctly, connect hydraulic lines and fasten fixing bolts according to OEM torque requirements.
  5. Complete assembly, refill qualified clean hydraulic oil, perform idle trial run, test control response and check all joints for oil leakage.

Maintenance Tips

  • Inspect master cylinder and connecting joints for oil leakage during daily routine maintenance.
  • Keep hydraulic oil clean and replace filter elements on schedule to extend service life of cylinder and seals.
  • Avoid long‑time overloaded operation which brings extra pressure load to the master cylinder.
  • When replacing the master cylinder kit, inspect matched hoses, seals and mounting grooves; replace worn mating parts synchronously.