Sierra International 18-2029 Marine Oil Seal Replacement For Johnson Evinrude OMC Outboard Motors And Drive Systems
Why you'll like it
- Reliable Sealing — Engineered with a metal outer case and nitrile rubber lip to prevent fluid leaks and maintain internal engine lubrication.
- OEM Replacement — Designed as a direct replacement for Johnson, Evinrude, and OMC marine drive systems matching original specifications.
- Durability in Marine Environments — Built to withstand harsh operating conditions and resist degradation from oil and grease.
- Precision Dimensions — Features a shaft size of 0.687 inches and an outer diameter of 1.250 inches for a secure and accurate fit.
Product details
Description
The Sierra International 18-2029 Oil Seal is a precision-engineered replacement component designed specifically for marine propulsion systems, including Johnson, Evinrude, and OMC outboard motors and drives. Constructed with a durable metal outer case and an inner nitrile rubber sealing lip, this oil seal provides reliable resistance against oil and grease in harsh marine environments.
It is meticulously manufactured to meet or exceed original equipment manufacturer specifications, ensuring dependable performance and a secure fit for propeller shafts and driveshafts. Ideal for boat owners and marine mechanics seeking dependable maintenance parts, this component helps prevent fluid leaks and maintains essential internal lubrication for optimal engine longevity.
How to use
- Ensure the housing and shaft are clean and free of debris before installation.
- Press the oil seal evenly into the bore using a suitable driver tool, taking care not to damage the rubber sealing lip.
- Lubricate the sealing lip lightly with clean gear oil or grease prior to shaft insertion.
Ingredients
Nitrile rubber sealing lip, metal outer reinforcement case.
As printed by the brand. Check the pack label if you have an allergy.
Specifications
| Brand | Sierra |
|---|---|
| UPC | 030999309754 |
| Ships from | USA (sourced directly), checked in Navi Mumbai |
| Sold by | Dropy.in |
Ratings & reviews
From our customers
Top reviews first: highest rated, with photos first
- Sandeep K.5 ★
bag me hamesha rakhta hu
emergency ke liye ek extra oil seal hamesha tool kit me rakhna padta hai boat trip pe. ye wala oem spec match karta hai toh tension free hoke use kiya. internal lubrication maintain rakhne me kafi help hota hai. mast product hai, boat owners ke liye must keep item.
- Santosh P.5 ★
phir se wahi liya
third time buying this for my boat motor. purana wala seal leak hone laga tha toh direct yehi order kiya. metal outer case aur rubber lip quality ekdum solid hai, fitting bhi prop shaft pe perfect baithta hai. engine oil leak ka tension khatam. delivery was fast.
- Rohan D.4 ★
switched to this now
my old OEM seals gave up way too soon during heavy loads so thought of giving this aftermarket option a shot. surprisingly the nitrile rubber sealing lip feels quite durable and handles grease well. fitted it on the driveshaft last week without any trouble. working smoothly so far.
- Amit S.4 ★
pehli baar try kiya
mechanic friend ne bola tha ye brand try karne ko johnson outboard ke liye. local market me mil nahi raha tha toh online manga liya. packaging thoda normal tha par part proper nikla. size 0.687 inch wala exact match hua. abhi tak toh oil grease properly hold kar raha hai, dekhte hai kitna din chalta hai.
FAQs
What is the 18 2029 oil seal?
The 18-2029 is a marine-grade replacement oil seal manufactured by Sierra International, designed for use in Johnson, Evinrude, and OMC outboard motor drive systems to prevent fluid leaks.
What are the dimensions of the Sierra 18-2029 oil seal?
This oil seal features a shaft size of 0.687 inches (17.4 mm) and an outer diameter of 1.250 inches, engineered to meet or exceed OEM performance standards.
Which OEM part numbers does this oil seal replace?
It serves as a direct replacement for Johnson, Evinrude, and OMC OEM part numbers such as 0321481 and 319256, as well as cross-referencing with other aftermarket brands like GLM and Mallory.
Are these imported USA marine parts authentic when bought on Dropy India?
Yes, Dropy sources all its products directly from the USA, ensuring you receive 100% authentic international hardware and marine components.
What applications is this oil seal used for?
It is commonly used in lower units, propeller shafts, and driveshafts of compatible outboard motors and stern drives to maintain proper lubrication and seal out water.
How long will delivery take?
Most orders arrive in 15–20 days: we source each product directly from the USA, check it at our Navi Mumbai warehouse and pack it on video. Items marked Dropy Express ship from our India warehouse and arrive in 3–5 days.
Is cash on delivery available?
Full cash on delivery is available all over India on Dropy Express items. For other orders from ₹2,499 to ₹15,000 you can use Partial COD: pay 25% online now and the rest in cash on delivery.
Are your products genuine?
Yes. Every product is 100% authentic, sourced directly from the USA, quality-checked and packed on video at our Navi Mumbai warehouse.
What if my order arrives damaged or wrong?
Write to us at [email protected] as soon as it arrives. Damaged, wrong or not as described, our Buyer Protection gives you a full refund. The details are in our Return, Refund & Cancellation Policy.
Is delivery free?
Delivery is free on orders from ₹1,499. Below that a ₹79 delivery fee applies.