Trutrack LSD Part#

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Trutack PN is: 913A582

It can be found here: https://www.4x4parts.com/catalog/pro...oducts_id=4068

It fits '05+ Frontiers with the M226 diff; proven by member brians7 here: ordered true track

In general, The Trutrack LSD (Limited Slip Differential) is meant to replace the Open Differential on the M226 rear Diff on the Nissan Titan and fits the 2nd generation Nissan Frontier with the M226 diff.
The model# for your rear diff can be found in the dirver's side door jamb.

The Detroit Truetrac provides a controlled amount of resistance to a one-wheel spinout, so that the other wheel (with traction) receives sufficient power to keep the vehicle moving. It uses pairs of "Helical" gear sets and no clutch packs to wear out, it is an aggressive unit yet smooth and quiet on the street, the torque bias ratios of 2.5 to 3.5:1 range.

This was posted over at ClubTitan RE the Detroit Trutrack.
Detroit Truetrac Questions - Nissan Titan Forum
This info is posted tentatively until I verify if these PNs work with the Frontier.

Originally Posted by Sftail1990

I would go ahead and buy the bearings and have them pressed on the new truetrac, if not they have to take the old bearings off the old unit too, they aren't that much and cheap insurance if you ask me.

Timken numbers

Carrier bearings JLM704649
Races JLM704610

Rear axle bearing (need Left and right) 40210-7S210
Rear axle seal (need Left and right) 43252-7S200

You might or might not need
Rear axle spacer (need Left and right) 43070-7S200