Marine parts, fast fulfillment, real support

Get the right part without slowing down your season. PowerBoatSupply helps boat owners order with confidence, backed by trusted marine parts expertise and responsive support.

✓ Fast shipping ✓ Fitment help ✓ Secure checkout

Sierra Pinion Nut - OMC# 314730 18-3719

Marine parts, fast fulfillment, real support

Get the right part without slowing down your season. PowerBoatSupply helps boat owners order with confidence, backed by trusted marine parts expertise and responsive support.

✓ Fast shipping ✓ Fitment help ✓ Secure checkout

Brand:: Sierra

Part Number:: 47-3719

$7.19 $5.99

— You save $1.20

Earn $0.18 in PBS Store Credit

Availability: In Stock - Ships same or next business day. Shipping: Free Shipping Over $99

Current Stock: 3

Quantity:

Get back on the water faster — ships next business day.

Trusted by boat owners & marine techs

Real OEM parts, fast shipping, and support from a Mercury Platinum Dealer.

✓ Best Price ✓ Fast Fulfillment ✓ Trusted Fitment ✓ Real Support

✓ 17,500+ verified 5-star reviews

Description

Sierra Pinion Nut - OMC# 314730 18-3719OMC Sterndrive/Cobra: Replaces 314730MerCruiser & Mercury/Mariner: Replaces 11-35921

View AllClose

Warranty Information

We are an authorized reseller for all products listed on our website. Please contact the manufacturer for warranty info.

View AllClose

Specs

UPC:	47-3719
MPN:	18-3719

Reviews

View AllClose