At a Glance
- >Fits 6K–8K axle oil bath hubs
- >2-7/8"-12 thread specification
- >Includes O-ring and rubber plug
- >Direct replacement oil cap kit
- Brand: Dexter
- SKU: 21-35-KIT
Before You Order
Match the part number, measurements and connection points that apply to your trailer.
Fitment Check
| Part Number | Match the number stamped on the original bearing or seal. |
|---|---|
| Dimensions | Measure the mating surfaces when a number is unavailable. |
| Hub / Axle | Use capacity as context, not as the only fitment check. |
Product Details
Oil Cap Kit 2-7/8"-12 Thread for 6K–8K Axles with O-Ring and Plug
Part Number: 21-35-KIT
Single oil cap kit for 6K–8K axles with 2-7/8"-12 threads, including O-ring and rubber plug for proper sealing and oil retention in oil bath hub systems.
R&P Knowledge Hub
Oil caps seal oil bath hubs and maintain lubrication. Proper thread size and intact sealing components prevent leaks and ensure consistent bearing protection.
Features
- Fits 6K–8K axle oil bath hubs
- 2-7/8"-12 thread specification
- Includes O-ring and rubber plug
- Direct replacement oil cap kit
Specifications
| Part Number | 21-35-KIT |
| Thread Size | 2-7/8" OD |
| Thread Count | 12 Thread |
| Axle Rating | 6K–8K |
| Type | Oil Bath Cap Kit |
Included Components
| Part Number | Quantity | Description |
|---|---|---|
| 21-35 | 1 | Oil Cap (2-7/8"-12) |
| 010-045-00 | 1 | O-Ring for Oil Cap |
| 046-032-00 | 1 | Rubber Insert Plug |
CUSTOMER PROOF
What customers say about parts like this.
Selected from R&P customer feedback for Bearing / Seal products and related trailer service.
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Bearing / Seal
★★★★★GOOGLE REVIEW
“I've ordered lots of trailer repair parts from them, always fast service, well packed, and the right parts. I highly recommend.”
★★★★★GOOGLE REVIEW
“Would like to say thanks to everyone at R and P Carriages parts were delivered fast and with the very helpful staff, the right parts were sent the first time. Thanks Happy Holiday's.”
★★★★★GOOGLE REVIEW
“Received swivel d-ring tie down 4 days after my wife ordered them , great price and came with backing plates. I received exactly what I paid for, thanks for the great service. Chris Davis , Mooresville NC”
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