Exterior Components Body Panels and Components

Dana

SIDE PINION

$77.54

SKU: D00O 131040

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Dana 131040 is a differential pinion gear designed for Dana/Eaton 170/190 Series Heavy Tandem Axle applications. It serves as a direct replacement for OE part 131040. Constructed from durable steel, this gear features precise dimensions, meeting or exceeding OEM specifications.

This pinion spider gear has 9 teeth and a hole diameter of 1.382 inches, with a gear diameter of 4.428 inches. The casting number is 131364. PAI Industries, known for its aftermarket heavy-duty diesel parts, ensures quality standards that meet or exceed OE standards.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandDana
Part NumberD00O 131040

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy