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Toyota 4.2TD – 350 Amps – XP Series


SKU: t4-2td-350xp Category: Tag:

Toyota 1HD-FTE (350 Amps, XP Series)

PN: T4.2TD-350XP

Max-Amp alternators are the premier alternator on the market.  They are designed for heavy-duty & commercial use and will provide maximum power under the most demanding conditions.  Whether your demands are for any of the conditions noted below, Max-Amp alternators will fill you needs.

  • High amperage (continuous or intermittent demand)
  • Extremely hot conditions (Death Valley hot)
  • High amperage whether idling or at road speed
  • High humidity, wet conditions, chemicals, etc.

This Max-Amp heavy-duty alternator vastly outperforms the stock 1FZ-FE alternator, both at idle & at road speed.  Note on the chart below where the Max-Amp alternator vastly outperforms the stock alternator.

OEM Alternator                 Max-Amp Alternator

Amps @ Idle                                    60 amps                                 210 amps

Amps @ Road speed                     80 amps                                 350 amps

The XP series of Max-Amp alternators are assembled using DENSO components and produce the highest idle output. They feature a larger housing while still retaining OEM fitment without any modification required. They run cooler and are virtually indestructible. This alternator is designed to be an exact replacement to the OEM alternator for the 1FZ-FE engine. 

A precision CNC 6061T6 aluminum pulley with a .002 hard anodized coating is installed on each alternator for maximum output and durability. This XP Series alternator comes with an unprecedented full two-year warranty.


This alternator also fits the 1HZ (4.2L diesel) and 1HD-T (4.2L turbo diesel) engines.

Weight 24 lbs


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