1. Boat Parts In Otsterndriv Sterndrive Prices For Sale.
  2. sku: 5152633181092731
  3. SIERRA 18-7107-9

SIERRA 18-7107-9 Rings Gear Hsg Cover Steering Worm 25-67202

fits make: Mercury, Omc.

18-7107-9 Sierra 18-7107 O-rings 5 Mercury 25-67202 Omc 313175 Gear Hsg Cover Steering Worm W

( Brand: Sierra ), ( Manufacturer Part Number: 18-7107-9 ), ( Part Type: Ring Cover Steering Gear )

Review SIERRA 18-7107 O rings Mercury Omc Gear Hsg Cover Steering Worm

Introducing the Sierra 18-7107-9 O-Rings Kit, a crucial component for the maintenance and proper functioning of Mercury 25-67202, OMC 313175 steering worm gear housing covers. This essential kit is designed to fit specific Mercury outboard engines and ensures a perfect seal between the gear housing cover and the engine components.

Each kit includes a comprehensive collection of high-quality O-Rings, specifically engineered to meet the demands of marine applications. These O-Rings are manufactured from a durable, flexible rubber material that delivers exceptional resistance to water, oil, and temperature extremes. The precision-cut profiles of the O-Rings ensure a snug fit and prevent any potential leakage, contributing to the overall performance and reliability of your Mercury outboard engine.

The 18-7107-9 kit is compatible with Mercury 25-67202, OMC 313175 steering worm gear housing covers and is an excellent investment for boat owners who value the longevity and efficiency of their marine equipment. Regularly replacing these O-Rings is an essential part of routine engine maintenance, as they can wear out over time due to constant exposure to harsh marine conditions.

By utilizing the Sierra 18-7107-9 O-Rings Kit, you can rest assured that your Mercury outboard engine's steering system will continue to operate smoothly and effectively. This kit is an indispensable addition to your marine toolbox, providing peace of mind and ensuring your vessel remains seaworthy for countless hours on the water.

In summary, the Sierra 18-7107-9 O-Rings Kit is a vital accessory for Mercury 25-67202, OMC 313175 steering worm gear housing covers. Its high-quality, durable O-Rings provide a reliable seal, resist wear and tear, and ensure the continued optimal performance of your outboard engine. Regularly maintaining your engine with this kit is an essential part of responsible boat ownership.

Buying O-Rings for Steering Worm Gear Cover: Sierra 18-7107-9, Mercury 25-67202, OMC 313175, and HSG Cover Comparison

Introduction:

When it comes to maintaining or repairing a steering system in a marine or industrial application, replacing worn-out o-rings in the worm gear cover is a crucial task. This article will compare and contrast the Sierra 18-7107-9, Mercury 25-67202, OMC 313175, and HSG cover o-rings, helping you make an informed decision.

Sierra 18-7107-9: Pros:

1. Known for high-quality materials and precision manufacturing.

2. Wide range of applications, including marine and industrial uses.

3. Availability in various sizes and quantities.

Cons:

1. Slightly more expensive compared to other brands.

2. May not be readily available in all locations.

Mercury 25-67202: Pros:

1. Specifically designed for Mercury Marine steering systems.

2. Affordable pricing compared to some other brands.

3. Relatively easy to find at marine parts stores and online retailers.

Cons:

1. Limited application scope to Mercury Marine systems.

2. Potential for lower quality compared to premium brands.

OMC 313175: Pros:

1. Known for their durability and resilience.

2. Wide range of applications, including marine and industrial uses.

3. Availability in various sizes and quantities.

Cons:

1. Slightly more expensive compared to some other brands.

2. May not be readily available in all locations.

HSG Cover: Pros:

1. Known for their high-quality and precision manufacturing.

2. Wide range of applications, including marine and industrial uses.

3. Availability in various sizes and quantities.

Cons:

1. Generally more expensive compared to other brands.

2. May require a longer lead time for shipping.

Conclusion:

When purchasing o-rings for a steering worm gear cover, it's essential to consider the specific application, budget, and availability. Each of the Sierra 18-7107-9, Mercury 25-67202, OMC 313175, and HSG cover o-rings has its pros and cons.

If budget is a primary concern, Mercury 25-67202 o-rings may be the best option. However, if you're looking for high-quality materials and a wide range of applications, Sierra 18-7107-9, OMC 313175, or HSG cover o-rings would be more suitable.

In conclusion, carefully consider your needs and budget before making a purchase. It's always recommended to consult with a professional or the manufacturer to ensure the correct o-ring size and material for your specific application.

Recommendation:

Based on the comparison, we recommend considering the Sierra 18-7107-9, OMC 313175, or HSG cover o-rings for their high-quality materials, wide range of applications, and availability in various sizes and quantities. However, if budget is a primary concern and the steering system is for a Mercury Marine application, the Mercury 25-67202 o-rings are a viable option.

Details:

Related Part Numbers: 313175, 777909, 25-67202. Condition: New. Brand: SIERRA. O-Ring, pack of 5 Gear Housing Cover, Steering Worm Wheel, Sierra o-rings for various applications on outboard and inboard/out drive engines.

MPN: 18-7107. Part number 18-7107-9.

part #: 1871079 prices

  • $9.01-$70.99

specifications otsterndriv:

  • for makes: Mercury, Omc
  • brand: Sierra
  • mpn: 18-7107-9
  • part type: Ring Cover Steering Gear

returns otsterndriv:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted

payments otsterndriv:

  • credit card: Mastercard
  • other
  • wallet: Apple-pay

offer otsterndriv:

  • best offers: True
  • started: May 8, 2026
  • quantity: 2
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0

general otsterndriv:

  • Boat Parts > Sterndrive Motors Components > Other
  • condition: New

shipping otsterndriv:

  • carrier: USPS
  • class: Standard, Expedited
  • transit: 5-8 Days
  • cost: $0.00
  • service: Standard, USPS Priority Mail
  • type: Fixed

seller otsterndriv:

  • rating: 99.8%
  • city: Green Bay, Wisconsin
  • # reviews: 29951
for makes: mercury, omc, part type: ring cover steering gear,
category: boat parts > sterndrive components, sku: 5152633181092731,
Sierra 18-7107-9 Is Similar To:
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5 offers $9.01–$70.99 USD
  • New. Offer #1 priced at $9.01 + $0.00 shipping estimate = $9.01* total. Every country is different OMC Stern Drive .FREE SHIPPING
  • New. Offer #2 priced at $70.99 + $0.00 shipping estimate = $70.99* total. Includes: Water Pump Base Gasket O.E.# 911698, Water Cover Gasket O.E.# 911733, Grommets (2) O.E.# 911705, Oil Seal O.E.# 911685, Oil Seal O.E.# 911701, 916058, 915000, Rubber Seal O.E.# 911704, Water Pump Housing Gasket O.E.# 911702, Outdrive Gasket O.E.# 915840, Seal O.E.# 911823, O-Ring O.E.# , O-Ring O.E.# 303067, O-Ring O.E.# 318717(2), O-Ring O.E.# N/A (2) O-Ring O.E.# 911686, O-Ring O.E.# 909316, O-Ring O.E.# 911700 Upper Seal Kit OMC/Cobra Includes: Water Pump Base Gasket O.E.# 911698, Water Cover Gasket O.E.# 911733, Grommet O.E.# 911705, Oil Seal O.E.# 911685, Oil Seal O.E.# 911701, 916058, 915000, Rubber Seal O.E.# 911704, Water Pump Housing Gasket O.E.# 911702, Outdrive Gasket O.E.# 915840, Seal O.E.# 911823, O-Ring O.E.FREE SHIPPING
  • New other (see details). Offer #3 priced at $14.25 + $15.60 shipping estimate = $29.85* total. Evinrude Johnson OMC 0 - O-ring is equivalent to parts 777909 Evinrude Johnson OMC BRP. Evinrude Johnson OMC BRP.+$15.60 shipping
  • New. Offer #4 priced at $81.47 + $8.95 shipping estimate = $90.42* total. Includes: Water Pump Base Gasket O.E.# 911698, Water Cover Gasket O.E.# 911733, Grommet O.E.# 911705, Oil Seal O.E.# 911685, Oil Seal O.E.# 911701, 916058, 915000, Rubber Seal O.E.# 911704, Water Pump Housing Gasket O.E.# 911702, Outdrive Gasket O.E.# 915840, Seal O.E.# 911823, O-Ring O.E.# , O-Ring O.E.# 303067, O-Ring O.E.# 318717(2), O-Ring O.E.# N/A (2) O-Ring O.E.# 911686, O-Ring O.E.# 909316, O-Ring O.E.# 911700.+$8.95 shipping
  • New other (see details). Offer #5 priced at $13.95 + $8.60 shipping estimate = $22.55* total. 3 For one Price. Replaces OMC # .+$8.60 shipping

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