Custom Engine Part Manufacturing and Sourcing

We are your reliable Source Factory for high-quality, aftermarket diesel engine components. Beyond the AP2D2-28 Small Pump, we support Custom Development and Manufacturing for a wide range of engine parts, focusing heavily on Cylinder Liner Kits. Our products are trusted for Foreign Trade Export globally.

Komatsu 6D102 Liner Kit Replacement | Caterpillar C7 Liner Kit Wholesale | Isuzu 4HK1 Liner Kit Price | Cummins QSB6.7 Cylinder Liner Set

Detailed Product Specification: AP2D2-28 Small Pump

This Small Hydraulic Pump (Pilot Pump), model AP2D2-28 (Non-Electric), is engineered to meet the demanding specifications of various construction machinery. It is a critical component for the smooth operation of your excavator's hydraulic control system. Our part number is the highly sought-after 708-2L-00281 (also searchable as 7082L00281).

Product Features (5 Key Advantages)

1. Precision Engineering: Use for Excavator or Construction Machinery hydraulic systems.

2. Consistent Flow Control: Designed to match the flow and pressure characteristics of the AP2D2-28 series for reliable performance.

3. Durability: Constructed with high-grade materials to withstand the heavy loads typical of the 708-2L-00281 application environment.

4. Fault Resolution: A necessary replacement when diagnosing sluggish hydraulic response or control issues related to the AP2D2-28 pump.

5. Certified Quality: Manufactured under strict standards to ensure the same quality as an OEM Small Pump.

Comprehensive Engine Parts Supply by Honour Time Machinery Limited

Honour Time Machinery Limited specializes in providing a full spectrum of Engine Assembly and aftermarket components. We are the trusted supplier for major brands including Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. Our extensive inventory includes essential maintenance and overhaul parts.

Our Core Product Range:

• ✔ Liner Kit

• ✔ Piston / Piston Ring

• ✔ Gasket Kit / Gasket Head

• ✔ Crankshaft / Connecting Rod

• ✔ Engine Bearing (Crankshaft Bearing / Connecting Rod Bearing / Thrust Washer)

• ✔ Overhaul Kit (Master Gasket Set)

• ✔ Fuel Pump / Diesel Pump

• ✔ Fuel Injector / Nozzle

• ✔ Turbocharger / Water Pump / Oil Pump

• ✔ Cylinder Block / Cylinder Head

• ✔ Valve Guide / Valve Seat / Main Valve

• ✔ Pressure Switch / Monitor / Transmitter

• ✔ Flameout Solenoid / Accelerator Motor

• ✔ Radiator / Fan Cooling / Belt

20 Essential Long-Tail Keywords:

Weichai WP10 Engine Assembly Price · Kubota V3307 Engine Parts Supplier · Yanmar 4TNV98 Engine Overhaul Kit · Isuzu 4BG1 Fuel Injector Nozzle · Caterpillar 3116 Water Pump Replacement · Komatsu 6D114 Crankshaft Bearing Set · Cummins B5.9-C Turbocharger Repair Kit · Heavy Duty Diesel Engine Cylinder Head · Excavator Piston Ring Set High Quality · Diesel Engine Valve Guide Replacement Cost · Genuine Diesel Engine Gasket Head Set · Excavator Connecting Rod Bearing Supplier · China Source Factory Engine Parts Export · Wholesale Excavator Engine Parts · High Performance Diesel Pump Assembly · Construction Equipment Engine Block · Low Oil Pressure Troubleshooting Cummins · Engine Overhaul Kits for Excavators · New Aftermarket Engine Crankshaft · Isuzu 6WG1 Accelerator Motor Function

Engine Model Compatibility List

We stock parts for a massive range of diesel engines used in construction and heavy equipment. Find your model below and contact us for the specific Liner Kit, Piston, or Bearing Set you need.

Key Engineering Machinery Parts Terminology

Understanding the function and location of critical components is vital for effective maintenance and repair.

1. Pressure Switch: Monitors oil or coolant pressure, often installed on the engine block. Example: Cummins QSB6.7 Pressure Switch Location.

2. Main Valve: The primary hydraulic control valve block, found in the main body of a machine. Example: Komatsu 6D108 Main Valve Function.

3. Flameout Solenoid: An electric device that cuts off fuel supply to stop the engine, typically located on the fuel pump. Example: Caterpillar C9 Flameout Solenoid Operation.

4. Valve Seat: Where the intake and exhaust valves rest when closed, located inside the cylinder head. Example: Isuzu 4BG1 Valve Seat Installation.

5. Fan Cooling: The cooling fan that draws air through the radiator, mounted at the front of the engine bay. Example: Kubota V2203 Radiator Fan Cooling.

6. Nozzle Injector: The tip of the fuel injector that sprays atomized fuel into the combustion chamber, located in the cylinder head. Example: Yanmar 4TNV94L Nozzle Injector Maintenance.

7. Engine Bearing: A general term for Crankshaft Bearings and Connecting Rod Bearings, installed between the crank/rod and the block/rod cap. Example: Weichai WP7 Engine Bearing Replacement.

8. Piston Ring Gap: The small separation in the piston ring when installed in the cylinder, located on the piston. Example: Caterpillar 3114 Piston Ring Gap.

9. Gasket Kit: A collection of all seals and gaskets needed for engine overhaul, applied to various engine joints. Example: Komatsu 6D105 Gasket Kit Contents.

10. Connecting Rod Bushing: A bronze sleeve pressed into the small end of the connecting rod. Example: Cummins QSB6.7 Connecting Rod Bushing.

Product & Logistics Information

Below are the standard logistical details and options for our high-quality replacement parts, including the AP2D2-28 Small Pump.

Connect With Us on Facebook

📱 Follow Our Latest Deals on Facebook!

Click to leave an online message for us

Essential Maintenance and Troubleshooting Tips

Proper maintenance can drastically extend the life of your equipment and prevent failures that require parts like the 708-2L-00281 Small Pump.

Troubleshooting: Excessive Oil Consumption in Excavators

Equipment Example: Komatsu PC200-8 6D107 Engine Oil Consumption Issue Diagnosis
Excessive engine oil consumption often points to worn components.

• Diagnosis: Check for blue smoke (burning oil) at the exhaust. Inspect the Turbocharger seals and the condition of the Piston Rings and Cylinder Liner Kits.

• Solution: If internal wear is confirmed, replacement of the Piston Ring Set and potentially the Valve Guide Seals is mandatory. Our high-quality Overhaul Kits provide all necessary gaskets and seals for a full repair.

General Engineering Machinery Maintenance Plan

• Daily Check: Visually inspect all fluid levels (engine oil, hydraulic fluid, coolant), and look for leaks around seals and the Radiator.

• 250 Hour Service: Replace engine oil and filters. Inspect drive Belt tension and condition.

• 500 Hour Service: Replace Fuel Pump filters and check the functionality of electrical components like the Flameout Solenoid and Pressure Switch.

• 2000 Hour Service: Full engine inspection, potentially involving checking cylinder compression and replacing the Gasket Head and Valve Seats.