At a Glance
- SKU: 71328-KIT
PRODUCT INFORMATION
Product Details
Trailer Hub Hardware / Wheel Stud & Lug Nut Kit
Eight Drive-In Trailer Hub Studs w/ Nuts – 9/16-18 x 2-5/16 – Fits 5200–7000 lb Dexter Axles
Eight-piece drive-in trailer wheel stud and lug nut kit for compatible trailer hub applications. Built for buyers replacing damaged, worn, or missing hub studs where the thread size, length, spline, and press-fit dimensions match.
Part Number: 71328-KIT 9/16"-18 Thread 8 Studs + 8 Nuts
Key Measurements & Specs
| Specification | Detail |
|---|---|
| Part Number / SKU | 71328-KIT |
| Product Type | Drive-in trailer wheel stud and lug nut kit |
| Thread Size | 9/16"-18 |
| Overall Length | 2-5/16" |
| Spline / Knurl Diameter | 0.689" |
| Quantity Included | 8 studs and 8 matching lug nuts |
Fitment / Application
| Category | Details |
|---|---|
| System | Trailer hub wheel stud replacement |
| Typical Axle Range | Commonly used on compatible 5,200 lb, 6,000 lb, and 7,000 lb trailer hub applications |
| Fitment Method | Match thread size, overall length, spline / knurl diameter, base diameter, and hub bore dimensions |
| Important Note | Verify before ordering. This is a measurement-based hub hardware item and is not hub-specific. |
Top Features
| Feature | Buyer Benefit |
|---|---|
| Drive-In Design | Designed to press into compatible trailer hub stud holes. |
| 9/16"-18 Thread | Matches common heavy-duty trailer hub and wheel hardware applications. |
| Studs with Nuts | Includes both the replacement wheel studs and matching lug nuts. |
| 8-Piece Hub Service Kit | Services two 4-stud hubs or provides eight individual replacements where dimensions match. |
Important Fitment Note: Verify thread size, overall length, spline / knurl diameter, base diameter, hub condition, wheel fitment, and included components before installation. Trailer hub wheel studs are measurement-specific; axle capacity references are only general application guidance.
R&P Knowledge Hub
Compatibility: This kit is for compatible trailer hubs using 9/16"-18 drive-in wheel studs. Fitment is determined by measurements, not axle rating alone.
Trailer / Hub Fit: Commonly used on compatible 5,200 lb, 6,000 lb, and 7,000 lb trailer axle hub applications where stud dimensions match.
Installation Notes: Press the studs into the hub evenly. Do not rely on the lug nut alone to pull an incorrect or oversized stud into place.
Performance Insight: Proper stud fit helps maintain wheel clamping force and prevents stud movement in the hub during service.
Features
Drive-In Wheel Stud Design
Made for press-fit installation into compatible trailer hubs using matching drive-in style studs.
9/16"-18 Thread Size
Common heavy-duty trailer wheel hardware thread size used across many compatible hub applications.
Eight Studs with Nuts
Includes eight replacement studs and eight matching lug nuts for a complete service kit.
Measurement-Based Fitment
Useful for hub repair when the buyer confirms length, spline / knurl diameter, and thread size against the original hardware.
Included Components
| Quantity | Item |
|---|---|
| 8 | Drive-in trailer wheel studs, 9/16"-18 x 2-5/16" |
| 8 | Matching lug nuts |
| Not Included | Hub, drum, wheel, bearings, seals, races, washers, or additional installation hardware |
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Related Parts & Kits
Check fitment, measurements, and kit contents before ordering. Related parts may not be required for your repair.
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815-357-3292 · 270 E Jackson St · Seneca, IL 61360
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TRAILER PARTSGOOGLE
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RV KEYSGOOGLE
Found the correct RV keys at a good price with free shipping; the keys worked as expected.
AXLE & LEAF SPRINGSGOOGLE
Needed an unusual axle and leaf-spring size; the team listened and helped him sort out the fit.
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Got the axle he needed right away, set up with a custom spring perch.
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Replacement struts brought a long-used door back to working order.
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Was pleased with a replacement trailer cord.
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BRAKES, DRUMS & SEALSYELLOW PAGES
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Found a good deal on a 16-foot dump trailer and planned to return.
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