How to Read Generator Part Numbers and Cross-Reference Parts

Understanding Part Number Systems

Every generator manufacturer uses a part numbering system to identify components. Understanding these systems helps you find the right parts quickly and avoid costly mistakes.

Cummins Part Numbers

Cummins uses both Fleetguard (Fleetrite) and Cummins part numbers:

  • Fuel filters: FF prefix (e.g., FF5052)
  • Oil filters: LF prefix (e.g., LF3349)
  • Air filters: AF prefix (e.g., AF25079)
  • Coolant filters: WF prefix (e.g., WF2074)
  • General parts: 6-7 digit numbers (e.g., 3084392)

Perkins Part Numbers

Perkins parts typically use 9-digit numbers (e.g., 26544037, 26560169).

Stamford/Newage Part Numbers

Stamford AVRs have model-specific numbers (e.g., SX460, MX341, AS440).

DeepSea Part Numbers

DeepSea uses the DSE prefix followed by 4 digits (e.g., DSE7320, DSE8610).

Cross-Referencing Between Brands

Many parts have equivalents across brands. For example:

Cummins Donaldson Baldwin Description
FF5052 P550455 BF7787 Fuel filter
LF3349 P550174 B37 Oil filter

Conclusion

Always keep a record of your part numbers for future reference. When ordering replacements, verify the part number against your equipment manual or consult with your supplier.

Need help identifying parts? Send us your part number or equipment details.

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