Engine Type

Alternator Mounting Style

Bukh

Motorola Style (Note 1)

Caterpillar

Off Engine Only, Most Isolated Ground (Note 1)

Chrysler

Hitachi Style or Motorola Style (Note 1)

Crusader

Motorola Style(Notes 1, 2)

Cummins

Mounts vary by engine model

Detroit Diesel

Delco Style (Note 1)

Flagship

Motorola Style (Note 1)

GMC

Motorola Style (Note 1)

Greymarine

Motorola Style (Note 1)

Hawk Marine

Motorola Style (Note 1)

Hino

Motorola Style (Note 1)

Indmar

Motorola Style (Note 1)

Isuzu

Motorola Style, some Hitachi Style (Note 1)

John Deere

Motorola Style or J-180 Style (Note 1)

Lehman (Ford)

Hitachi Style or Motorola Style (Notes 1, 3)

Lehman (Sabre)

Hitachi Style, requires tension arm mod.

Lugger

Varies by model (Notes 1, 4)

MAN

No standard (Note 1)

Mercedes

Hitachi Style (With Spacers) (Note 1)

Mercruiser

Varies by model Hitachi Style or Delco Style (Note 1)

Mitsubishi

Hitachi Style (With Spacers) (Note 1)

MTU

No standard (Note 1)

Nanni

Hitachi Style

OMC

Motorola Style (Note 1)

Pathfinder

Delco Style (Notes 1, 5)

Perkins 4107,4108

Delco Style (Note 1)

Perkins (other)

Motorola Style (Notes 1, 5)

Perkins-Volvo M

Hitachi Style (Isolated Ground)

Pleasurecraft

Motorola Style

Universal (Atomic)

Delco Style (Note 1)

Universal 30, 50

Motorola Style (Note 1)

Vetus Denouden

Hitachi Style (Note 1)

Volvo 2001, 2003

Delco Style (Note 1)

Westerbeke

Varies Hitachi Style or Delco Style

Yanmar

Hitachi Style

Yanmar 6LP

Delco Style

1. Mounting configuration may vary by model and year. Follow directions for determining proper replacement alternator by visual inspection.
2. Some Crusader models may require alternator with an offset tensioning arm.
3. Dual belt models will require special Lehman pulley with 3/8" spacing between belts.
4. May require Lugger mounting kit.
5. Use original alternator pulley.
6. Use 9mm x 4" pulley if belt is driven directly off flywheel.