The Denso new alternator (part number 121000-1121) is listed for the charging and electrical system.

Product Details

• Part: Alternator
• Manufacturer / listed brand: Denso
• Manufacturer or catalog part number: 121000-1121
• HDKits SKU: AP-DEN9764
• System: Engine System – NEW ALTERNATOR
• Condition: New

Cross-reference numbers: 1210001121, NDE 1210001121, NDE1210001121. These are lookup references and do not independently establish interchangeability.

Fitment and Ordering Guidance

It serves the engine charging system. Compare voltage, amperage, pulley and electrical connections with the unit being replaced. Match the manufacturer number, replacement number, physical configuration and vehicle or engine serial information. Product photos and generic category information should not be used as sole proof of fitment.

Why Order From HDKits?

HeavyDutyKits.com helps customers source diesel engine and heavy-duty replacement parts. Contact our parts team with your engine model, equipment details and existing part number for a fitment review before purchasing.

Cross-Reference Part Numbers

Supplier-listed cross-reference and alternate part numbers for identification:

• 1210001121
• NDE 1210001121
• NDE1210001121

Verify interchangeability and application before ordering; a reference listing does not guarantee fitment.