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Starting at $62.95, AutoBuffy stocks 1 Double Cardan CV ball kits from MOOG for the Mazda Navajo. This kit rebuilds the centering ball and socket assembly inside a Double Cardan joint, which keeps driveshaft u-joints phased correctly and cancels vibration at steep operating angles. When the centering ball wears, vibration and clunking follow quickly.
The main decision is whether you need a partial rebuild kit — centering ball, socket, and snap rings only — or a complete kit that includes the spider caps, bearing needles, and seals as well. OE-spec steel hardness and grease compatibility matter more than brand name here, since the centering ball runs under high angular load with minimal lubrication margin.
| Option | Best for | What you get |
|---|---|---|
| Centering Ball & Socket Kit Only | Joints where the u-joint crosses are still in good condition and only the ball shows wear or pitting | Hardened centering ball, mating socket cup, snap rings, and grease packet — minimum parts to restore smooth phasing |
| Complete Rebuild Kit | High-mileage or heavily off-road-used Mazda Navajo where all internal components show wear simultaneously | Centering ball, socket, full spider kit with bearing needles and caps, seals, snap rings, and grease — restores the entire joint to factory spec |
| OE-Replacement Grade Kit | Mazda Navajo driven primarily on-road where NVH refinement and longevity matching original intervals is the priority | Meets or exceeds OEM hardness and dimensional tolerances; sourced from MOOG; typically backed by a manufacturer warranty |
| Heavy-Duty / Greaseable Upgrade Kit | Lifted Mazda Navajo applications or rigs operated at increased driveshaft angles that accelerate centering ball wear | Forged or billet centering ball with a grease fitting added to the socket cup, allowing periodic re-lubrication to extend service life significantly |
Mark the driveshaft-to-yoke orientation before removal, then drop the shaft and disassemble the Double Cardan joint by removing the snap rings and pressing or driving out the centering ball socket and spider caps. Install the new centering ball and socket with fresh CV grease, reassemble the spider sets, and reinstall in the original orientation. Torque all fasteners to the manufacturer's specification listed in the Mazda Navajo service manual, and verify smooth rotation through the full steering sweep before driving.