Select Model
NZ
-25%
CLEARANCE
-10%
CLEARANCE
Alternator RE529377 12445 for John Deere Tractor 4120 4320 4520 4720 5415 5715 6100D Loader 313 315 325 328 332
NZ$248.59
NZ$278.11
Member Price
-9%
12V Alternator 128990-77250 for Yanmar Engine 2YM15 3JH40 3JH5E 3YM20 4JH110 4JH4 4JH57 4JH80
NZ$403.29
NZ$443.61
Member Price
-26%
12V Stop Solenoid SA-3786-12 1753ES-12E6ULB1S1 for Kubota Diesel Engine 21HP 91-05 Grasshopper Mower 721D2
NZ$62.67
NZ$85.61
Member Price
-6%
CLEARANCE
-11%
CLEARANCE
12V 50A Alternator TA000A58101 E7230-64012 for Daedong 3-79 25HP Dsl Kioti Tractor CK25 IK LK CK DK
NZ$328.63
NZ$371.13
Member Price
-28%
CLEARANCE
12V 9T Starter Motor 5-81100048-0 S114-207 S114-370 for Iseki 3AE1 3AF1-BL Engine TE3210 TL1900 TL2100 TL2300 TL2500 TU1700
NZ$364.17
NZ$512.80
Member Price
Engine Accessories for Heavy Equipment
As an experienced supplier of engine accessories and engine spare parts, FridayParts knows how critical these components are for keeping heavy-duty and off-road machines in peak operating condition. From power generation to temperature control, every engine accessory plays a vital role in the engine’s performance and reliability. Whether you're replacing a starter motor, alternator, or cylinder head cover, choosing quality components prevents costly downtime and extends your engine’s service life.
Engine Accessories Common Issues
Heavy equipment and off-road machines operate in extreme environments—heat, dust, and vibration all accelerate engine accessory wear. Operators often face problems such as:
- Hard starting or slow cranking (faulty starter motor or glow plug)
- Unstable electrical output (damaged alternator or voltage regulator)
- Overheating or poor combustion (worn spark plug or leaking cylinder head cover)
These symptoms often indicate it’s time to inspect your engine spare parts to prevent more serious failures that could affect your entire powertrain.
Key Engine Accessories and Their Functions
| Component | Function | Common Equipment |
| Starter Motor | Initiates crank rotation during startup | Excavators, loaders, tractors |
| Alternator | Supplies electrical power and charges batteries | Forklifts, generators |
| Glow Plug | Heats the combustion chamber for cold starts (diesel engines) | Skid steers, agricultural machines |
| Vacuum Pump | Provides negative pressure for brake and actuator systems | Diesel engines |
| Flywheel & Flywheel Housing | Balances and stores rotational energy | Heavy trucks, dozers |
| Cushion Damper / Vibration Damper | Absorbs torsional vibrations for smoother operation | Industrial generators, marine engines |
Each accessory supports the engine assembly by enhancing reliability and optimizing energy transfer between mechanical and electrical systems. That’s why we offer comprehensive engine accessory kits designed for perfect compatibility and long service life.
How to Choose the Right Engine Spare Parts?
When selecting engine spare parts, such as a stop solenoid or recoil starter, always consider:
- Equipment Type: The operational load and starting system can differ between a tractor and a generator.
- Brand Compatibility: We provide parts suited for popular brands like Kubota, John Deere, Yanmar, and Perkins—search by brand or by equipment directly on our site.
- Material and Durability: Components like flywheel rings and vibration dampers should meet OEM-grade heat and torque specifications to ensure safe long-term operation.
Our parts are built with precision and undergo strict testing to maintain efficiency even under extreme field conditions.
Compatible Equipment Categories
Our engine accessories are designed for a wide range of equipment:
- Tractors: Kubota L Series, John Deere 5000 Series
- Excavators: Kubota KX Series, Yanmar VIO Series
- Generators: Industrial standby and portable diesel models
- Loaders & Forklifts: Compact and heavy-duty designs
Explore our catalog to find the part that matches your make and model.
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