Two - Billet Aluminum Oil Bath Trailer Caps 2.875"-12 Thread with Wrench
Kit includes two billet aluminum oil bath caps and one matching wrench, designed for 2.875"-12 threaded hubs on Lippert and Dexter axle applications where measurements match. Fits Lippert and Dexter.
Key Measurements & Specs
| Specification | Detail |
|---|---|
| Part Number / SKU | 21-35-BILLET-WRENCH-KITX2 |
| Product Type | Billet aluminum oil bath cap kit with wrench |
| Thread Size | 2.875" OD |
| Thread Count | 12 thread |
| Material | Billet aluminum |
| Quantity Included | Two oil bath caps and one billet wrench |
Fitment / Application
| Category | Details |
|---|---|
| System | Oil bath trailer hub cap applications |
| Fits | Lippert & Dexter applications where 2.875"-12 thread matches |
| Axle Ratings | 6000#, 7000#, 8000#, Pre-89 9K |
| Drum Reference | 8-285 |
| Fitment Method | Verify hub cap thread size, thread count, and cap style before ordering |
Top Features
| Feature | Buyer Benefit |
|---|---|
| Billet Aluminum Caps | Durable oil bath cap construction for trailer hub service |
| 2.875"-12 Thread | Matches compatible threaded oil bath hub applications |
| Two-Cap Kit | Services both matching hubs when replacing a pair |
| Wrench Included | Includes matching billet wrench for installation and removal |
Overview
This 21-35-BILLET-WRENCH-KITX2 kit includes two billet aluminum oil bath caps and one billet wrench. The caps are built for 2.875"-12 threaded oil bath hub applications and are listed for Lippert and Dexter fitment references in 6000#, 7000#, 8000#, and Pre-89 9K axle applications where the hub measurements match.
R&P Service Insight
Oil bath caps help seal the hub and retain lubricant. Correct thread fit and sealing condition are important for preventing leaks and maintaining bearing life in oil bath systems.
- Thread Check: Confirm 2.875"-12 thread before ordering.
- Application Check: Match the cap to the hub style, axle rating, and drum reference where applicable.
- Service Check: Inspect sealing surfaces during installation and replace worn sealing components as needed.
R&P Knowledge Hub
Compatibility: Designed for compatible 2.875"-12 threaded oil bath hubs. Verify before ordering if your cap size, hub thread, or axle application differs.
Vehicle / System Fit: Oil bath trailer hub applications listed for Lippert and Dexter references, including 6000#, 7000#, 8000#, and Pre-89 9K axle applications where measurements match.
Installation Notes: Confirm thread size, thread count, hub condition, and cap seating before installation. Do not force mismatched threads.
Performance Insight: Oil bath caps retain lubricant inside the hub. Proper fitment helps protect bearings by reducing the risk of lubricant loss.
Brand & Fitment Note
Selling Brand: R&P Carriages curated kit
Application Reference: Lippert and Dexter names are used as compatibility references for matching oil bath hub applications.
What This Means: This listing is for a billet aluminum oil bath cap kit with wrench, not a guaranteed OEM-branded item unless specifically stated and verified.
Before Ordering: Verify thread size, thread count, axle rating, hub style, drum reference, and included components before installation.
R&P Repair Insight
Oil bath cap fitment should be confirmed by measurement, not only by axle brand. Similar-looking caps can use different thread sizes or cap styles.
- Measure First: Confirm the 2.875" OD and 12-thread specification before ordering.
- Check the Hub: Inspect threads for cross-threading, damage, or corrosion before installing the new cap.
- Confirm Quantity: This kit includes two caps and one wrench.
Features
Billet Aluminum Construction
Durable billet aluminum oil bath caps for compatible trailer hub applications.
2.875"-12 Thread Specification
Designed for hubs using the listed 2.875" OD and 12-thread oil bath cap size.
Lippert & Dexter Application References
Listed for compatible Lippert and Dexter axle applications where measurements and hub style match.
Installation Wrench Included
Kit includes one billet wrench for installation and removal of the included caps.
Included Components
| Part Number | Quantity | Item |
|---|---|---|
| 21-35 Billet-Kit | 2 | Billet aluminum oil bath cap, 2.875"-12 thread |
| Billet-Wrench-2.25 | 1 | Billet aluminum wrench for 2.25" caps |
