Generator Spare Parts by Brand
Macfarlane Generators has a comprehensive spare parts network that stocks parts for almost every generator, to keep your generator up and running.
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149-2137 Onan Fuel Filter
All Cummins Onan Parts149-2137 Onan Fuel Filter
- Regular price
- $58.38
- Sale price
- $58.38
- Regular price
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Perkins Oil Filter 140517050
All FG Wilson and Perkins Engine and PartsPerkins Oil Filter 140517050
- Regular price
- $17.04
- Sale price
- $17.04
- Regular price
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140-3147 Onan Air Filter
All Cummins Onan Parts140-3147 Onan Air Filter
- Regular price
- $148.50
- Sale price
- $148.50
- Regular price
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$159.50
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140-3116 Onan Air Filter
All Cummins Onan Parts140-3116 Onan Air Filter
- Regular price
- $49.50
- Sale price
- $49.50
- Regular price
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$55.01
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140-2628-01 Onan Air Filter
All Cummins Onan Parts140-2628-01 Onan Air Filter
- Regular price
- $41.80
- Sale price
- $41.80
- Regular price
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140-2105 Element Air Cleaner
All Cummins Onan Parts140-2105 Element Air Cleaner
- Regular price
- $50.60
- Sale price
- $50.60
- Regular price
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1300kVA Marelli MJB400 LB4 B20 Alternator
Alternator Specials1300kVA Marelli MJB400 LB4 B20 Alternator
- Regular price
- $49,500.00
- Sale price
- $49,500.00
- Regular price
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$78,100.00
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12V DSEBC1205 Deep Sea Electronics Battery Charger
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122-0893 Onan Oil Filter
All Cummins Onan Parts122-0893 Onan Oil Filter
- Regular price
- $93.50
- Sale price
- $93.50
- Regular price
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$101.20
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122-0836 Onan Oil Filter
All Cummins Onan Parts122-0836 Onan Oil Filter
- Regular price
- $86.46
- Sale price
- $86.46
- Regular price
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102-1462 Onan Engine Gasket Set
All Cummins Onan Parts102-1462 Onan Engine Gasket Set
- Regular price
- $19.80
- Sale price
- $19.80
- Regular price
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100 Amp Generac Transfer Switch (SY000A00117-GG)
Generac Parts100 Amp Generac Transfer Switch (SY000A00117-GG)
- Regular price
- $1,765.00
- Sale price
- $1,765.00
- Regular price
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$1,865.33
Note: Freight excluded unless otherwise stated
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How to find what power generator you need
The Macfarlane Generators Power Calculator helps you estimate the generator size required for your application by calculating power demand, motor starting loads, and electrical conversions such as kVA, kW, amps, and horsepower. Designed for homeowners, tradies, and industrial operators, it provides practical tools and power consumption guides to help you select the right generator with confidence. Whether you're planning backup power, construction site equipment, or large-scale operations, the calculator simplifies generator sizing and power planning.
