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24V Alternator 84383847 546501120 Fits for Case 521G 621F 3445 3555 for New Holland W190C W170C P2350 P3440 is backordered and will ship as soon as it is back in stock.
Powering 10,000+ Commercial Fleets
One Year Warranty
Easy 60-day Return
Expert support & Fitment Guarantee
Maintaining the optimal performance of heavy machinery is essential to ensure continuous productivity and minimize downtime. This 24V alternator from Fab Heavy Parts offers OEM-spec fit and durability, specifically engineered for construction and agricultural equipment.
Designed to deliver reliable electrical charging performance, this alternator meets the demanding requirements of Case and New Holland machinery. Manufactured with high-grade materials and precision engineering, it guarantees extended service life and consistent operation under harsh working conditions.
Case Dozers: 521G, 621F, 621G, 721F, 721G, 821F, 821G, 921F, 921G, 1021G, 1121G, 750M LT, 850M LT, 1150M LT, 1150M WT, 1650M XLT, 1650M XLT BD, 1650M XLT PAT, 1850K, 2050M LGP BD, 2050M LGP PAT, 2050M LT, 2050M LT BD, 2050M LT PAT, 2050M XLT
Case Precision Air Carts: 2355, 3445, 3555, 4465, 4585, 4765, 4955
New Holland Dozers: W130C, W170C, W190C, W230C, D180C XLT, D180C WT/LGP, D180C LT
New Holland Precision Air Carts: P2350, P3440, P3550, P4460, P4580, P4760, P4950
Fab Heavy Parts is excited to offer a 12-month warranty on all new replacement/aftermarket parts starting from your original purchase date.
Enjoy peace of mind with Fab Heavy Parts!
For more warranty details, please check out our warranty policy.
Estimated delivery time 3-6 workdays
We don't have a core charge for any products.
To start a return, please use our return portal. Items should be unused, not installed, clean, in their original packaging and accompanied by proof of purchase. Please contact support if you need help with the current return instructions or applicable costs.
Orders placed within one hour and not yet fulfilled can be cancelled from the customer order page. After one hour, or once the order has been fulfilled, please contact support for the next steps.
Available payment methods include major credit and debit cards, PayPal, Apple Pay, Google Pay, Shop Pay and Klarna. Availability can vary by order and checkout, so the payment options shown at checkout apply.
Most packages delivered within New Zealand arrive in 4–7 working days. Packages over 68 kg can take 5–10 working days. Timing can also vary with product availability, destination, shipping service, customs processing, weekends, public holidays or carrier delays.
New Zealand orders are billed in NZD.
Compare the listed part number, machine make, model, engine details and specifications with your equipment records. Fitment can vary by configuration and serial range, so contact support with the part number and machine details if you are unsure. Fitment should be confirmed before installation.
Mailed & Couriered Shipments (Online Shopping)
For NZ$1,000 or less goods value, no customs duty or border entry fees are collected by the New Zealand Customs Service.
For over NZ$1,000 customs value, formal customs entry is required and the customer must pay 15% GST, applicable customs duties, and border processing fees such as the Import Entry Transaction Fee.
Maintaining the optimal performance of heavy machinery is essential to ensure continuous productivity and minimize downtime. This 24V alternator from Fab Heavy Parts offers OEM-spec fit and durability, specifically engineered for construction and agricultural equipment.
Designed to deliver reliable electrical charging performance, this alternator meets the demanding requirements of Case and New Holland machinery. Manufactured with high-grade materials and precision engineering, it guarantees extended service life and consistent operation under harsh working conditions.
Case Dozers: 521G, 621F, 621G, 721F, 721G, 821F, 821G, 921F, 921G, 1021G, 1121G, 750M LT, 850M LT, 1150M LT, 1150M WT, 1650M XLT, 1650M XLT BD, 1650M XLT PAT, 1850K, 2050M LGP BD, 2050M LGP PAT, 2050M LT, 2050M LT BD, 2050M LT PAT, 2050M XLT
Case Precision Air Carts: 2355, 3445, 3555, 4465, 4585, 4765, 4955
New Holland Dozers: W130C, W170C, W190C, W230C, D180C XLT, D180C WT/LGP, D180C LT
New Holland Precision Air Carts: P2350, P3440, P3550, P4460, P4580, P4760, P4950
