Heavy-Duty Aftermarket Front Passenger Side Axle Shaft Assembly — Upgraded 30/33 Spline Layout for Dana 30 & Dana 44 Conversions
This listing is for (1) one high-performance Heavy-Duty Front Passenger Side Axle Shaft Assembly. Precision engineered for modified four-wheel-drive (4WD) front axle structures, this unit features a heavy-duty upgraded 30-spline inner shaft layout combined with an ultra-strong 33-spline outer stub shaft. Designed to manage severe torque loads from locking differentials and oversized off-road tires, this unit comes pre-assembled with a greasable 5# series universal joint, a factory-pressed multi-tooth ABS wheel speed sensor tone ring, and gold-zinc plated castle nut hardware.
Technical Specifications
| Axle Assembly Position | Front Drivetrain — Right Hand (Passenger Side) |
| Differential Interface Compatibility | Upgraded Dana 30 / Dana 44 Carriers (30-Spline Broached) |
| Overall Assembly Length | 26-13/16" (681 mm) |
| Long Shaft Length (End to Center) | 20-1/8" (511 mm) |
| Long Shaft Spline Geometry | 30 Splines | Diameter: 1.275" (32.4 mm) | Spline Length: 1.9" (48.3 mm) |
| Long Shaft Cross-Section | Major Diameter: 1.34" (34 mm) | Minor Diameter: 1.10" (28 mm) |
| Short Shaft Length (End to Center) | 6-3/4" (171.5 mm) |
| Short Shaft Spline Geometry | 33 Splines | Diameter: 1.40" (35.6 mm) | Spline Length: 1.8" (45.7 mm) |
| Threaded Hub Interface | Diameter: 28 mm | Thread Pitch: 18G | Thread Length: 1.0" (25.4 mm) |
| U-Joint Profile / Cap Sizing | 5# Series Greasable Cross Joint | Yoke Cap Diameter: 1.18" (30 mm) |
| Anti-Lock Brake System (ABS) | Pre-Installed Gold-Zinc Plated Multi-Tooth External Tone Ring |
| Hardware Included | Slotted Castle Nut (Cotter Pin Hole: 0.2" / 5 mm) |
Compatibility & Fitment Advisory
- Upgrade Requirement Notice: This is a high-strength modification axle assembly. The buyer is responsible for verifying that the differential carrier/locker is broached to accept a 30-spline inner shaft, and that the steering knuckles/wheel hubs are configured for a 33-spline outer stub shaft assembly. This will not drop directly into stock 27-spline Dana 30 configurations without these coordinating upgrades.
- Purchasing Perspective: For fleet mechanics, custom 4WD builders, and equipment managers, keeping high-performance axle components on the shelf is a vital insurance strategy against downtime. This new old stock component delivers maximum yield strength and mechanical longevity without high aftermarket markup.
- Value-Add Design Features: The inclusion of an integrated central zerk lubrication fitting directly on the 5# u-joint cross allows regular preventative maintenance flushing without partial teardowns. The pre-installed wheel speed tone ring guarantees seamless ABS computer mapping integration immediately upon installation.
Condition Note: This item is brand new, clean, and ready to install. It does not include original manufacturer packaging and has been safely housed in warehouse surplus storage. Light cosmetic storage tracking or faint surface haze may be present on raw steel surfaces. The unit is guaranteed to be fully functional, and the buyer will receive the precise axle assembly pictured.
ℹ️ View Fitment Advisory & Return Policy
Fitment: To ensure proper fit, the buyer is responsible for cross-referencing all inner and outer spline counts, overall shaft lengths, and thread measurements provided in the technical specifications table against their custom application requirements prior to ordering.
Returns: We honor a 30-day return window. The buyer is responsible for returning the item in its original, uninstalled condition. Components showing mechanical installation marks, spline distortion, thread engagement wear, or grease contamination are ineligible for a full refund.
Heavy Items: This high-density solid steel shaft assembly requires appropriate care during handling. The buyer is responsible for safe receipt and handling. All return shipments must use secure packaging to avoid spline damage during transit.
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Acknowledgement: By purchasing this item, the buyer acknowledges and agrees to the Cox Industrial Supplies LLC Return Policy.
Years of industrial supply experience.
Verified technical specifications.
Professional, reinforced packaging.
Our Inventory & Sourcing
We specialize in genuine industrial and mechanical surplus assets. Every component undergoes close visual inspections for structural, machining, and thread integrity before listing. The buyer is responsible for completing final verification of compatibility with their matching vehicle hub and locker units.
Shipping & Returns
Returns & Quality Assurance: To maintain the absolute integrity of our technical surplus stock, this unit is indexed with internal micro-markings and/or tamper-evident security signatures.
Condition for Return: Per eBay guidelines regarding the condition of returned goods, return requests can only be validated if the item remains unaltered and entirely uninstalled.
Mechanical/Drivetrain Integrity: If a mechanical component shows signs of tool clamping, flange impact markings, spline gouges, or trial use, it no longer satisfies "New" conditions.
Asset Recovery Protections: We retain our rights to apply a deduction of up to 50% from the total refund value for any component returned damaged, modified, stripped, or rusted due to improper return transit packaging.
Fitment Disputes: If the buyer initiates a return based on a "Does Not Fit" claim, the buyer is responsible for submitting explicit application details or differential configuration data within the request to qualify for resolution protocols.
Terms of Sale
No warranties expressed or implied. Please contact us with any technical questions regarding spline cross-sections or dimensional clearances before bidding or purchasing.