Oil Bath Dust Caps Compatible With Dexter 6K - 8K 8-218, 8-219 General Duty Axles Built After 1989 For Dexter 6K 7K 8K 2.75"" Threads Trailer Axle Plastic Cover 21-35 23-29 Oil Caps K71-038-00 (4Pcs) Item Not Available 3793595