4 Pack Oil Cap Kit Replacement For Dexter 9K 10K 12K And 15K Axles 21 To 36 Thread 4.0 Inch Oil Bath Dust Caps K71 148 00 Durable Plastic Covers For Reliable Sealing And No Hassle Maintenance

4-Pack Oil Cap Kit for 9K-15K Trailer Axles, 21-36 Thread
✔️ Includes 4 caps, 4 O-rings, 4 plugs; 4.0 in OD, 4-12 thread

These replacement oil caps seal the oil bath on 9K, 10K, 12K, and 15K trailer axles with 21-36 thread. Each kit includes 4 caps, 4 O-rings, and 4 rubber plugs for complete maintenance and reliable sealing.

✅ Outside diameter: 4 in (101.6 mm)
✅ Thread: 4-12
✅ Depth: 1-1/2 in (38.1 mm)
✅ Includes: 4 caps, 4 O-rings, 4 plugs
✅ Color: black, durable plastic

💡 What is an oil cap kit for trailer axles used for?

It helps seal the oil bath and keeps out dirt, reducing maintenance and leaks.

- Prevents leaks and contamination on 21-36 thread axles
- Direct replacement part: K71-148-00
- Simple installation with standard 4-12 thread
- Durable plastic resists corrosion and wear