List Price:
$5.49
Starting At:
$4.99
Gasket, Mercury - Mercruiser 27-96278
Sierra 18-3921 Piston Rings Replaces 39-93481A12
List Price:
$43.99
Starting At:
$33.49
(You save
$10.50
Order within
and
your order ships today!
Description
Sierra 18-3921 Mercury Standard Piston Rings
Sierra high-quality engine parts are designed to meet OEM specifications.
- Bore Size: 3.125 / Standard
Interchangeable with:
- GLM
- 14240
- Mallory
- 9-54233
- Mercury Marine
- 39-93481A12
- Wiseco
- 3125KD
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
PRODUCT REVIEWS
Other Details
- Google Product Type:
- Engine Parts
- Wiser:
- Yes
- Product MPN:
- 18-3921
- Product UPC:
- 030999621665
Customers Also Viewed
List Price:
$236.49
Starting At:
$165.99
Sierra 18-4317 Mercury Powerhead Gasket Set Sierra high-quality engine parts are designed to meet OEM specifications. Interchangeable with: GLM 39440 Mallory 9-64200 Mercury...
List Price:
$42.99
Starting At:
$29.99
Sierra 18-3863 Head Gasket Sierra 18-3863 Head Gasket is a replacement part for Mercury Marine engines. Sierra aftermarket parts are manufactured to meet or exceed OEM requirements. For Mercury...