Order Now, Pay Later with Affirm Logo Prequalify Now

Rockwell Mainshaft ROK 3297J1336


Ships in 1 Week
Calculated at Checkout
Frequently bought together:


Rockwell Mainshaft ROK3297J1336

*Please Verify OEM Number Before Purchase

  • Heavy Duty Mainshaft
  • Fits Rockwell 9, 10 & 13 Speed Transmissions
  • For S/N LB93021754 & Above
  • Direct Aftermarket Replacement For OEM #s:
    • Rockwell 3297J1336
    • Navistar 1691922C1
    • Navistar 1691922C2
    • Navistar 1691922
    • Mack 8235-3297J1336
  • 18 Teeth
  • For The Mainshaft Kit, Click Here
  • Sold Individually
  • Quality Made Product

Need to replace your old or damaged main shaft? This heavy duty main shaft is the perfect replacement for your truck!

Any mention of OEM names or OEM product ID numbers/descriptions/model numbers is intended for identification purposes only and does not indicate that it is an OEM part.

If you should need additional Truck Parts and Accessories, please don't hesitate to call our toll-free number 1-888-888-7990

View AllClose

Warranty Information

Manufacturer warranties this product against defects in material or workmanship for a period of two (2) years from the original date of purchase of the product by a consumer.
View AllClose


View AllClose

Questions & Answers