Will the Dexter Fortress Threaded Aluminum Oil Cap Fit with an 8-Lug 15K Axle?
Updated 10/30/2025 | Published 10/12/2025 >
Question:
will these work with 8-lug 15K grease bath axles?
asked by: William S
0
Expert Reply:
Hey William, thanks for reaching out!
Yes, the Dexter Fortress Threaded Aluminum Oil Cap # DX27CR will work with 15K oil bath axles.
If you have a specific axle in mind, let me know what it is and I'd be happy to reach out to Dexter if you're wanting to double check on it.
expert reply by:
Jon G
0
Product Page this Question was Asked From
Dexter Fortress Threaded Aluminum Oil Cap for 10K to 15K Axles
- Trailer Bearings Races Seals Caps
- Caps
- Oil Cap
- 4.00 Inch O.D.
- 4.00 Inch
- 10000 lbs Axle
- 12000 lbs Axle
- 15000 lbs Axle
- Dexter
more information >
Continue Researching
- Search Results: dexter oil bath
- Shop: Dexter Fortress Bolt-On Aluminum Oil Cap Kit - Fits 9K12K Axles - Black Coated - 6-Bolt Install
- Shop: Valcrum Hydro-Shield Waterproof Aluminum Oil Bath or Grease Cap for 9K to 15K Axles
- Q&A: How to Determine the Correct Oil Bath Cap
- Shop: Bearing Buddy Bearing Protectors - Model 2441A w/ Auto Check - Chrome Plated (Pair)
- Shop: Oil Cap, Plug and O-Ring for Dexter 7-9K Trailer Axles and DeeMaxx 8K Oil Bath Idler Hubs
- Shop: Dexter Fortress Threaded Aluminum Oil Cap for 10K to 15K Axles
- Shop: Dexter Fortress Threaded Aluminum Oil Cap for 10K to 16K Axles
- Q&A: Replacement Bushing For Dexter 5-Leaf 10,000 Pound Axle Slipper Spring DX45QR
- Q&A: Availability Of Screw-In Oil Bath Cap With 2.77" ID
- Q&A: Solution for Needing Replacement Oil Bath Cap 21-36
- Q&A: Specs for the Dexter 5-Leaf Slipper Spring W/ Flat End for 10K Axles
- Q&A: Replacement Oil Bath Cap for a Dexter Hub
- Q&A: What Dexter Fortress Threaded Aluminum Oil Cap do I Need for My 10k AL-KO Axles?
- Article: Troubleshooting 4 and 5-Way Wiring Installations
- Article: 2024 Top Gifts for Auto Enthusiasts & Road Trippers
- Article: 2024 Top Gifts For Outdoor Enthusiasts
- Article: Carrying on a Legacy: One Family’s Story of Grief, Growth, and a Global Pandemic
- Article: How to Measure Your Trailer Wheel Bolt Pattern
- Article: Brake Controller 7- and 4-Way Installation Kit (ETBC7)
- Article: Where to Position the Trailer Axle?


Jon G.
10/30/2025
Hey William, did the Dexter Fortress oil caps end up fitting your 15K grease bath axles the way you needed? Your update could make it easier for others working with similar heavy-duty setups.