Collection: All Upgrade Kits and Maintenance Parts

All upgrade kits and maintenance parts will work with the generators listed below.

Predator 3500 (Harbor Freight)

Powerhorse LC3500i (Northern Tool)

Echo Bear Cat IG3500

BE i3500L

Loncin LC3500i

Atlas Copco P3500i

JET JIN 3500E

26 products
  • Plug & Play Remote Start & Stop Kit for Predator 3500
    Regular price
    from $139.00
    Sale price
    from $139.00
    Regular price
    $199.00
    Unit price
    per 
    Sold out
  • Wheel Upgrade Kit for Predator 3500 Inverter Generator
    Regular price
    $159.00
    Sale price
    $159.00
    Regular price
    $199.99
    Unit price
    per 
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  • BUNDLE Remote Start Kit & Upgraded Wheel Kit Predator 3500
    Regular price
    from $259.00
    Sale price
    from $259.00
    Regular price
    $398.00
    Unit price
    per 
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  • Magnetic Oil Dipstick
    Regular price
    $18.99
    Sale price
    $18.99
    Regular price
    $29.99
    Unit price
    per 
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  • NGK-BPR6ES Spark Plug for Predator 3500 Inverter Generator
    Regular price
    $8.99
    Sale price
    $8.99
    Regular price
    $13.99
    Unit price
    per 
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  • Firman 1201 50 Amp Parallel Kit Compatible with Predator 3500 Inverter Generators
    Regular price
    $129.00
    Sale price
    $129.00
    Regular price
    $159.99
    Unit price
    per 
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  • No-Spill 1450 5-Gallon Poly Gas Can (CARB Compliant) for Predator 3500 Inverter Generator
    Regular price
    $39.99
    Sale price
    $39.99
    Regular price
    $48.99
    Unit price
    per 
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  • Sta-Bil Fuel Stabilizer and Storage Additive for Predator 3500 Inverter Generator
    Regular price
    $9.99
    Sale price
    $9.99
    Regular price
    Unit price
    per 
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  • 30 AMP 3-Prong Twist Generator Adapter Connector
    Regular price
    $10.99
    Sale price
    $10.99
    Regular price
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  • Generator Upgrade Supply Trucker hat
    Regular price
    $15.00
    Sale price
    $15.00
    Regular price
    Unit price
    per 
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  • Generator Upgrade Supply Short-Sleeve Unisex T-Shirt
    Regular price
    from $17.00
    Sale price
    from $17.00
    Regular price
    Unit price
    per 
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  • Powerhorse 3500 Optional Repair Plans Through Northern Tool
    Regular price
    from $79.99
    Sale price
    from $79.99
    Regular price
    Unit price
    per 
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  • Powerhorse 11,000watt Optional Repair Plans Through Northern Tool
    Regular price
    from $99.99
    Sale price
    from $99.99
    Regular price
    Unit price
    per 
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  • Nash Fuel Propane Natural Gas Conversion Predator 3500 Inverter Generator
    Regular price
    $179.99
    Sale price
    $179.99
    Regular price
    $179.99
    Unit price
    per 
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  • Powerhorse 7500watt Inverter Generator Optional Repair Plans Through Northern Tool
    Regular price
    $249.00
    Sale price
    $249.00
    Regular price
    Unit price
    per 
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  • YTX7L-BS Chrome Pro Series iGel Battery Predator/Powerhorse 3500 Generator
    Regular price
    $46.99
    Sale price
    $46.99
    Regular price
    $52.99
    Unit price
    per 
    Sold out