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Replacement Screw In Oil Cap For Curt Brake Hub Assembly 865H - Hybrid Grease  

Updated 01/21/2025 | Published 12/30/2024

Question:

Hello According to your website the dermal disk brakes for my RV are DE68YR. My RV came with hybrid drums that are the ones with threaded dust cap. HUB ASSY-BRAKE HUB-865H-9/16-HYBRID-GREASE-CURT 8537391 GRS CAP - 8K - BLK - SMOKE - W/ORING -WO/CTR PLUG Deemaxx sales a kit with threads but I do not see it at Etrailer as an option. When you will be selling those?

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Expert Reply:

Hi Javier,

We do offer the DeeMaxx Threaded Dust Cap AT-6-8K-LC under part # DE38AR. This has a 2-7/8" thread diameter, matching Curt's hybrid grease cap diameter. Were you going through our fitguide with your trailer's info or just searching part numbers? Are there any other components you need?

expert reply by:
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Kevin C
Javier profile picture

Javier

1/17/2025

I think you misunderstood my question. DE68YR from Deemaxx does not allow threaded caps. Deemaxx sells another one that accepts threaded caps but E-trailers do not sell them yet. My OEM Drums comes with this one https://www.lippert.com/lippert-trailer-axle-oil-and-dust-cap-with-set-screw-oil-dust-cap-set-screw?queryID=bd195ada700270da2dd72ac70a8500f6&objectID=22554&indexName=gwp_d2c_prod_lippert_products I would like to use the same ones.

Kevin C. profile picture
Etrailer Expert

Kevin C.

1/17/2025

@Javier Ok, I totally misread that as you wanting the DeeMaxx oil caps. The Lippert cap you're wanting comes in an 8k or 16k capacity. I'm assuming you need the 8k one correct? I'll put a request in to get both added and can let you know when they're available.
Javier profile picture

Javier

1/17/2025

@KevinC Deemaxx sent me an email saying The Kit you would need is a DBI-7K-9-MAXX This comes with a threaded 8K hub.. Jesse
Kevin C. profile picture
Etrailer Expert

Kevin C.

1/17/2025

@Javier It looks like we have that part number under DE54ZR, but it's not currently live on the website for some reason. It's still orderable if you call in to our customer service department though.
Javier profile picture

Javier

1/21/2025

Ok, Thank you. You guys should add to the site the DE54ZR

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