2PC 4" Threaded Oil Bath Cap – Replacement for Dexter 10KHD 12K 15K Trailer Axles – Replaces K71-148-00 OC-86510-16/21-36
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Product details
| Management number | 215264458 | Release Date | 2026/04/12 | List Price | $13.20 | Model Number | 215264458 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
Upgrade your heavy-duty trailer with this premium 4" oil bath cap kit from Trailer Supplies, designed to replace Dexter part number 21-36. Engineered for 10K (HD), 12K, and 15K trailer axles, this aftermarket cap features a durable threaded design with a 4-inch outer diameter and 12 threads per inch. The kit includes a rubber plug and O-ring to ensure a tight, leak-free seal that keeps your hub properly lubricated. Please note: this cap is not compatible with Dexter’s 10K General Duty axles made in 2009 or later (#21-88). Always verify your thread size before ordering to ensure proper fit.
- 【Heavy-Duty Replacement】Built to match Dexter 10K HD, 12K, and 15K trailer axles, this oil bath cap ensures a reliable seal for high-load applications.
- 【Secure Threaded Fit】Features a 4" outer diameter with 12 threads per inch for a precise, vibration-resistant connection on hub assemblies.
- 【Leak-Resistant Design】Includes rubber plug and O-ring to create a tight seal, helping prevent oil loss and extending bearing life.
- 【OEM-Level Compatibility】Replaces Dexter part numbers 21-36 and OC-86510-16, commonly found on heavy-duty 8-lug drum hubs.
- 【Fitment Warning Included】Not compatible with Dexter 10K General Duty axles manufactured after 2009 (Part #21-88)—please confirm thread specs before purchasing.
| Brand Name | TRAILER SUPPLIES |
|---|---|
| Style Name | Modern |
| Closure Type | Twist-On |
| Manufacturer | Trailer Supplies |
| Model Number | WA-OC-86510-16 1 pair |
| Exterior Finish | Painted |
| Included Components | 2x Oil Cap, 2x Rubber Plug, 2x O-Ring |
| Manufacturer Part Number | WA-OC-86510-16 1 pair |
| Compatible with Vehicle Type | Trailer |
| Manufacturer Warranty Description | 2 Year Limited Warranty |
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