2601 Sisson St

Baltimore, MD 21211

410-235-8829

A3922645

CUMMINS

 Applications: 8.3L (C Series)

Casting #: AK-3908574

Ring Gear #: AK-3902127 (.875” thick-138 teeth)

8 Mounting Holes

Pilot Bearing: 206SS, 305SS

A3921263

CUMMINS

Applications: 5.9L (B Series)

Casting #: AK-3908574

Ring Gear Part #: AK-3903309 (.540” thick- 173 teeth)

8 Mounting Holes

Pilot Bearing: 206SS, 305SS

A3906807

CUMMINS:

 Applications: 8.3L (C Series)

Casting #: AK-3908574

Ring Gear Part #: AK-3903309 (thin, .540”-173 teeth)

8 Mounting Holes

Pilot Bearing: 206SS, 305SS

A3071535

CUMMINS:

 NT855, N14

Cross Reference: 3609903, 3609890

Ring Gear #: AK-4797

6 Mounting Bolt Holes (+2 Threaded)

17” Ring Gear-103 Teeth

Pilot Bearing: 306

A3071615

CUMMINS:

 M11

Cross Reference #: 3027548, 3328689

Casting #: AK-3328688

Ring Gear #: AK-4797

8 Mounting Bolt Holes (+2 Threaded)

17” Ring Gear with 103 Teeth

Pilot Bearing: 306

A3042787

Part# A3042787

Header: Cummins

Applications: L10, M11

Ring gear#: AK-4797

8 mounting bolt holes & 2 threaded bolt holes

Casting #: AK-3042786

Drive lug#: 274C6

Pilot Bearing: 306

A3680922

CUMMINS:

 Application:

ISC, Signature 600

Casting #: AK-3680921

Ring Gear Part#:  AK-3680913

Mounting Holes: 12

20” Ring Gear, 113 Teeth

Pilot Bearing: 306SS