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The ECCPP 110-amp alternator is a direct replacement unit for 2004-2008 Ford F-Series pickups with the 4.6L or 5.4L V8, plus the Expedition, Navigator and Lincoln Mark LT. It is a 12-volt, internally regulated alternator with a 6-groove 54mm pulley and clockwise rotation, cross-referenced to Ford part numbers such as 4L3U-10300-BA and 6L3Z-10346-AA. It suits owners replacing a failed or weak factory alternator on an older truck rather than anyone adding heavy electrical loads. At 110 amps it matches the stock output of most of these trucks, so it is a like-for-like swap; higher-output aftermarket units exist for winches, plows or big audio systems.
In stockSold by ecpp incReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
Availability unknown
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Lowest price we've seen: $79.99 on Nov 12 at Amazon. Tracked across 1 store since Nov 12.
This is a 110-amp, 12-volt replacement alternator for select Ford F-Series pickups from 2004 to 2008 with a 4.6L or 5.4L V8 engine. It also fits the 2005 Expedition and 2005 Navigator with the 5.4L V8, and the 2006 to 2008 Mark LT with the 5.4L V8.
It has a 6-groove pulley with a 54mm outer diameter and turns clockwise. It uses an internal regulator and an internal fan.
Installation takes five steps. Disconnect the battery cable and remove the old alternator. Connect the electrical plug and wires to the new alternator, then slide it into place and install the bolts. Use a serpentine belt tool to guide the belt back onto the pulley and reconnect the battery cable. Start the vehicle and confirm the alternator is charging.
