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How to Identify Your Ford 3G, 4G & 6G Series Alternator
Identify Your Ford Alternator VisuallyHistory of the Ford G-Series Alternators
The first G-series was the 1G externally regulated alternator. The 2G was the second, but uses a power plug instead of battery posts and cannot be upgraded. Usually swapped to the 3G Series which is still in use and is easily upgraded. 4G series used in some applications where the 6G series would not fit. 4G used on some Crown Victoria and has very unique mounting applications. 6G series is used on many pick up trucks and diesel vehicles, as well as on some models of the Crown Victoria.
3G Series Alternators
Alternator Features
The 3G Series alternator features internal fans and voltage regulator. First G-series to have internal voltage regulator.
Click Here To Order 3G Series Alternators
- Lester Nos: 7752, 7756, 7777
- 12:00 Mounting ear, M8 x 1.25 Thread, 148mm Diameter Large Case
- Used On:
- (1992-91) Ford Taurus, Mercury Sable 3.0L
- (1992) Ford E Series Van 5.0L, 5.8L, 7.3L
- (1995-90) Ford Taurus, Windstar; Lincoln; Mercury 3.8L
- (1996-92) Ford E Series Van 4.9L, 7.5L
- (1997-94) Ford F Series Pickup 4.9L, 7.5L
- Lester Nos: 7764, 7776, 7784
- V-Shaped Feet, 148mm Diameter Large Case
- Used On:
- (1992) Ford Crown Victoria Police 4.6L
- (1997-94) Ford Thunderbird, Mercury Cougar, Grand Marquis 4.6L
- (1997-92) Lincoln Town Car 4.6L
- (1998-96) Ford Mustang 4.6L
- (1999-93) Ford Crown Victoria 4.6L
- (1999-98) Lincoln Navigator 5.4L
- (2001-00) Ford Excursion, F Series Pickup 5.4L, 6.8L
- (2002-97) Ford Expedition 4.6L, 5.4L
- (2003-97) Ford F Series Pickup 4.6L, 5.4L
- (2004-02) Ford Explorer, Mercury Mountaineer 4.6L
- (2008-97) Ford E Series Van 4.6L, 5.4L, 6.8L
- Lester Nos: 7768, 7792
- Side Mount, 148mm Diameter Large Case
- Used On:
-
- (1994-93) Ford Explorer 4.0L
- (1996-93) Ford E Series Van 5.0L, 5.8L
- (1997-92) Ford F Series Pickup 7.3L
- (1998) Ford Contour, Mercury Mystique 2.0L
- (2000-98) Mazda Pickup 4.0L w/ AT
- (2001-93) Ford Explorer 4.0L
- (2001-96) Ford Ranger, Mazda Pickup 4.0L w/ AT
- (2003-92) Ford E Series Van 7.3L
- (2003-97) Ford E Series Van 4.2L
- (2004-97) Ford F Series Pickup 4.2L
- (2008-06) Ford Ranger, Mazda Pickup 3.0L
- Lester Nos: 7765, 7770, 7771
- 12:00, 10mm Mounting Ear, 148mm Diameter Large Case
- Used On:
- (1997-94) Ford Thunderbird, Mercury Cougar 3.8L
- (1998-95) Ford Windstar 3.0L
- (1999-93) Ford Taurus, Mercury Sable 3.0L
- (2000-94) Ford Mustang 3.8L
- Lester Nos: 7778
- 12:00, M8 x 1.25 Threading Mounting Ear, 148mm Diameter Large Case
- Used On:
- (1990) Lincoln Town Car 5.0L
- (1993) Ford Heavy Duty Truck B, F Series
- (1995-93) Ford F Series Truck 7.0L
4G Series Alternators
Alternator Features
Same size diameter as the 3G, but the 4G has a black metallic cover on the rear. Uses the same plug as the 3G series alternator. We believe the 3G is the superior alternator, but the 4G series comes in several unique mounting styles which aren't compatible with 3G series alternators. The 4G series side mount looks visually simmilar to the 3G series Side Mount, but the mounting holes do not line up.
Click Here to Order 4G Series Large Case Alternators
GG Series Alternators
Alternator Features
6G Series alternators
Click Here to Order 6G Series Large Case AlternatorsClick Here to Order the 6G Series Large Case Upgrade For "Power Stroke" Diesel Engines
Click Here to Order the 6G Series Large Case Alternator Upgrade for Crown Victoria Vehicles
