R&P Carriages 2-Pack Rubber Oil Cap Center Plugs Fits 7/8" Hole
Replacement rubber center plugs for compatible oil bath trailer hub caps using a 7/8" center opening. Fits Dexter-style applications using reference plug 046-032-00 and compatible cap references 21-35, 21-36, and 21-88 where measurements match.
Overview
This R&P Carriages oil cap center plug set includes two replacement rubber plugs for compatible oil bath hub caps. The plugs fit a 7/8" center hole and are used as a replacement-style solution for Dexter 046-032-00 plug applications where the cap model, center opening, and plug configuration match.
R&P Service Insight
Oil bath hub caps rely on the center plug to help retain oil and protect the hub cavity from road contamination. A worn, loose, cracked, or missing plug can create a leak path and should be addressed during hub service.
- Seal Point: Installs in the center opening of compatible oil bath caps.
- Service Access: Maintains a removable center plug location for hub oil inspection and service.
- Inspection Item: Replace plugs that are brittle, cracked, swollen, missing, or no longer seat firmly.
R&P Knowledge Hub
Compatibility: Designed for compatible oil bath hub caps using a 7/8" rubber center plug opening.
Vehicle / System Fit: Oil bath hub cap systems found on many trailer axle and hub applications where the listed cap references and measurements match.
Installation Notes: Verify the existing cap model and measure the center plug opening before ordering. The replacement plug should seat firmly without being loose or forced.
Performance Insight: A properly fitted rubber center plug helps retain oil inside the cap while reducing exposure to dust, water, and road debris.
Brand & Fitment Note
Selling Brand: R&P Carriages
R&P Inventory P/N: OC-Rubber Plug-LOTOF2
Application Reference: Dexter names and part numbers are used only to describe compatibility with listed oil cap applications.
What This Means: This listing is for an R&P Carriages 2-pack of replacement rubber oil cap center plugs, not a guaranteed OEM-branded Dexter item unless specifically stated and verified.
Before Ordering: Verify your oil cap model, center hole diameter, and existing plug style before installation.
R&P Repair Insight
If oil is seeping around the center plug, inspect both the plug and the oil cap opening. A damaged plug, hardened rubber, incorrect plug size, or damaged cap can prevent a proper seal.
- Hole Size Check: Confirm the cap uses a 7/8" center plug opening.
- Cap Reference Check: Common compatible cap references include 21-35, 21-36, and 21-88 where the center plug size matches.
- Fit Check: The plug should sit securely in the cap opening before the trailer is returned to service.
Features
2-Pack Replacement Set
Includes two rubber oil cap center plugs for replacement, service, or keeping a spare available.
Fits 7/8" Center Hole
Designed for compatible oil bath caps with a 7/8" center plug opening.
Dexter Reference Compatibility
Replacement-style plug for applications using Dexter reference part 046-032-00 where the cap and hole size match.
Common Oil Cap References
Compatible with oil cap references 21-35, 21-36, and 21-88 when the cap uses the matching 7/8" rubber center plug.
Specifications
| Specification | Detail |
|---|---|
| R&P Inventory P/N | OC-Rubber Plug-LOTOF2 |
| Selling Brand | R&P Carriages |
| Product Type | Oil cap center plug |
| Included Quantity | 2 plugs |
| Material | Rubber |
| Key Measurement | Fits 7/8" center hole |
| Dexter Reference P/N | 046-032-00 |
| Compatible Oil Cap References | 21-35, 21-36, 21-88 where center hole size matches |
Fitment / Application
| Category | Details |
|---|---|
| Vehicle / System | Trailer oil bath hub cap system |
| Primary Fit | Oil bath caps using a 7/8" rubber center plug opening |
| Reference Fit | Dexter 046-032-00 style plug applications |
| Notes | Verify cap model, center hole diameter, and existing plug style before ordering. Oil cap designs can vary by axle model and hub configuration. |
Included Components
| Quantity | Item |
|---|---|
| 2 | Replacement rubber oil cap center plugs |
| Not Included | Oil caps, O-rings, hubs, bearings, oil, and installation hardware |
