Brand: World American
AXLE 39 SPL 42.750″ 12 TA
Axle Flange Bolt Hole Quantity: 12
Axle Spline Diameter: 2 Inch
California Proposition 65: Cancer and Reproductive Harm – www.P65Warnings.ca.gov
Flange Bolt Style: Tapered
Flange Outside Diameter: 6.125 Inch
Flange Type: Flange
Inboard Spline Quantity: 39
Involute Spline: Yes
Shaft Length: 42.75 Inch
Taxonomy A: HD Differential
Taxonomy B: Axle Shafts

Warranty Period: 1 Year or 100,000 Miles

Replaces:

• Foote Joint Operator: 1231
• World American: 1231F
• GMC: 12389219
• Eaton: 129479
• Mack: 2719-129011
• Spicer: ETN129011