Actual product may vary from the photo, but the functionality is the same. 

Oil Caps

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16 Items

Dexter K71-G01-73 Vortex Grease Caps
$36.94
Dexter Threaded - Oil Cap, 2 5/8" I.D. O-Ring, and Plug Kit (1 Pair)
$48.37
Dexter Threaded - Oil Cap, 2 7/8" I.D. O-Ring, and Plug Kit (1 Pair)
$23.09
Dexter Threaded - Oil Cap, 3 1/2" I.D. O-Ring, and Plug Kit (1 Pair)
$35.47
For AL-KO & Hayes 10K-16K Axles - Threaded Oil Cap, O-Ring & Plug Kit (1pc) 3 3/4" I.D.
$34.27
Dexter Threaded Oil Cap, O-Ring, and Plug Kit (1 Pair) - Fits Dexter 10K-12K-15K
$32.81
2 5/8" I.D. O-Ring - Fits 21-35 Oil Cap
$2.48
3 1/2" I.D. O-Ring - Fits 21-88 Oil Cap
$3.83
4" I.D. O-Ring - Fits 21-36 and 21-37 Oil Caps
$2.96
Dexter Rubber Plug - Fits 7/8" Hole
$2.74
10 pieces of 46-32 Rubber Plug
$14.92
Dexter Fortress Threaded Aluminum Oil Cap - For 5,200lb-8,000lb Axles (2 7/8" I.D.) Fits Dexter - Lippert - Rockwell
$27.45
Dexter Fortress Threaded Aluminum Oil Cap - For Dexter 9k-10k Axles (3.5" I.D.)
$27.45
Dexter Fortress Threaded Aluminum Oil Cap - For Dexter, Rockwell & AL-KO 10k-16K Axles (3.75" I.D.)
$27.45
Dexter Fortress Threaded Aluminum Oil Cap Kit - For Lippert 10k-16k Axles (4" I.D.)
$27.45
Dexter Fortress Threaded Aluminum Oil Cap - For Dexter 10k-15k Axles (4" I.D.)
$29.28
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16 Items

View our selection of oil cap kits, with easy-to-identify options where the inner diameter is listed first in the title. We also offer some O-rings separately, clearly specifying which cap they fit, for a hassle-free selection process.