What is the part number for the front axle shaft assembly?

The shaft assembly is 3219 for the right-hand side and 3220 for the left-hand side.

What part numbers are shown for the brake shields?

Shield 2K004 (RH) and 2K005 (LH).

Which bearing does the red annotation warn about?

The spindle needle bearing, it advises removing the spindle, repacking the shaft, and checking this bearing while you're that far into it, because most people overlook it until it is too late.

What is the part number of the universal joint kit?

The universal joint kit is part number 3249.

What order do the bearings and seals sit on the spindle?

From the knuckle outward: spindle seal, spindle needle bearing, spindle, grease seal, inner wheel bearing, bearing cups, rotor, outer wheel bearing, and adjusting nut.

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Ford Bronco Front Spindle & Wheel Bearing Exploded Diagram - Part Numbers

Exploded parts diagram of front spindle, hub and axle assembly with part numbers

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Exploded parts breakdown of front spindle, hub, bearings and rotor with labeled Ford part numbers.

AI caption March 2004 · Photo 57 of 454

This document is an exploded parts diagram of a Ford front axle knuckle, spindle, and hub/rotor assembly, apparently from a factory service or parts manual, uploaded to illustrate spindle bearing service on a 1988 Ford Bronco. The diagram identifies components with Ford basic part numbers, including the pinion (4209), camber adjuster (3B404), outer slinger (4670), bearing cup (4616), cone and roller (4621), left-hand axle arm assembly (3B403), shaft assemblies (3219 RH / 3220 LH), shields (2K004 RH / 2K005 LH), universal joint kit (3249), filler plug (87747-S2), and jam nut (33925-S). It also labels the spindle, spindle seal, spindle needle bearing, grease seal, inner and outer wheel bearings, bearing cups, rotor, nut, and adjusting nut, showing their assembly order on the spindle. A red hand-added annotation with an arrow pointing to the spindle needle bearing advises: remove the spindle and repack the shaft, and check the spindle needle bearing while disassembled, because most people overlook this bearing until it is too late. The diagram is useful for identifying part numbers and assembly sequence when rebuilding the front hub, wheel bearings, and spindle on a Ford solid/TTB front axle equipped truck.

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Frequently asked questions

What is the part number for the front axle shaft assembly?: The shaft assembly is 3219 for the right-hand side and 3220 for the left-hand side.
What part numbers are shown for the brake shields?: Shield 2K004 (RH) and 2K005 (LH).
Which bearing does the red annotation warn about?: The spindle needle bearing, it advises removing the spindle, repacking the shaft, and checking this bearing while you're that far into it, because most people overlook it until it is too late.
What is the part number of the universal joint kit?: The universal joint kit is part number 3249.
What order do the bearings and seals sit on the spindle?: From the knuckle outward: spindle seal, spindle needle bearing, spindle, grease seal, inner wheel bearing, bearing cups, rotor, outer wheel bearing, and adjusting nut.