These (Twin Tech 24003) , (WIX 24003, 24744, 10429) / (NAPA 4003, 4744, 600429) style filter caps have (1 7/8"-16 O.D. thread and allow you to put a custom thread mount or hole size of your choosing). They are made form 6061 T6 aluminum and are less than 1/2 the weight of our stainless steel filter caps. Weight 2.5oz. (71grams)
O-Rings sold separate.
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Showing reviews 1-10 of 17 | Next
Posted by paca on Apr 23rd 2022
Extremely fast delivery. Well machined. Gives me option to choose my inlet/outlet arrangement.
Posted by Unknown on May 21st 2021
I have purchased from Twin Tech before and they are top notch from top quality and fast shipping.
Posted by Unknown on Jan 21st 2021
Great adapter for filter well made product. Fast shipping.
Posted by Scott on Nov 1st 2020
The best looking 4003 end cap available while functioning flawlessly. Only wish they were a bit cheaper
Posted by Unknown on Jul 16th 2020
It fits perfectly in a wix 24004 or Napa 4004 fuel filter..
Milking iOS top quality..
Posted by Unknown on Mar 10th 2019
Great workmanship and perfect fit . Fast shipping & well packaged. Thanks
Posted by Byron Deas on Mar 7th 2019
these end caps are very well machined! would purchase again in the future.
Posted by Nate on Sep 19th 2018
Cap is manufactured very well. Had one end cap strike from 5.56 and cap was barely marred. Re-crowned and polished, never tell it happened. I like the spanner wrench option for installing/removing rather than the competition's knurled edges.
Posted by Unknown on Aug 7th 2018
100% perfect..Good communications
Posted by Hunter on Jun 9th 2018
Excellent high quality pieces well worth the money spent, and fast ship.
Showing reviews 1-10 of 17 | Next