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Exhaust Flapper with Grommets – Fits MerCruiser Stern Drives 2.5L, 3.0L, 3.7L (Replaces 60930, 18-2727)
- $20.99
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Exhaust Flapper with Grommets – Fits MerCruiser Stern Drives 2.5L, 3.0L, 3.7L (Replaces 60930, 18-2727)
This exhaust flapper is designed for MerCruiser Stern Drive applications, including 4-Cylinder 2.5L, 3.0L, and 3.7L engines manufactured between 1982 and 1998, as well as V8 engines equipped with a Jackshaft from 1985 onwards.
It serves as a direct replacement for several OEM and aftermarket part numbers, ensuring compatibility and a proper fit for your engine's exhaust system.
- Installation Type: Direct Replacement
- Fuel Compatibility: Gasoline
- Included Components: Includes one exhaust flapper and two grommets for a complete installation.
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand | Part Number |
|---|---|
| Mercury MerCruiser | 60930 / 25-43809 |
| Sierra | 18-2727 |
| Mallory | 9-42800 |
Compatible Engine Models
Confirm your engine model/year in the table below.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| MerCruiser | 4-Cylinder | 2.5L | 4-Stroke | 1982-1998 | 60930 | |
| MerCruiser | 4-Cylinder | 3.0L | 4-Stroke | 1982-1998 | 60930 | |
| MerCruiser | 4-Cylinder | 3.7L | 4-Stroke | 1982-1998 | 60930 | |
| MerCruiser | V8 with Jackshaft | Various | 4-Stroke | 1985-Up | 60930 |
Technical Specifications
| Specification | Value |
|---|---|
| Product Type | Exhaust Flapper Shutter |
| Installation | Direct Replacement |
| Fuel Type | Gasoline |
| Housing Material | Premium Metal and Rubber |
| Dimensions | 79 mm × 94 mm (3.1" × 3.7") [width × length] |
| Other Technical Attributes | High hardness, durable construction |
Package Contents
- 1 x Exhaust Flapper (60930)
- 2 x Grommets
Installation Guide
- Safety First: Ensure the engine is completely cool and the battery is disconnected before starting.
- Locate Flapper: Identify the exhaust flapper's location, typically within the Y-pipe or exhaust outlet housing.
- Remove Old Components: Carefully remove the old, worn-out exhaust flapper and its grommets. This may require prying.
- Clean Housing: Thoroughly clean the inside of the housing, removing any carbon buildup, rust, or old rubber fragments.
- Install New Grommets: Press the two new grommets firmly into their designated holes in the housing.
- Insert New Flapper: Align the pins on the new exhaust flapper with the holes in the grommets and slide it into place.
- Verify Movement: Check that the flapper can swing open and closed smoothly without sticking or binding.
- Final Check: Reconnect the battery, start the engine, and listen for any unusual noises or check for exhaust leaks.
Troubleshooting & FAQ
Q: How do I confirm this exhaust flapper fits my engine?
A: This part fits MerCruiser 4-Cylinder (2.5L, 3.0L, 3.7L) engines from 1982-1998 and V8 models with a jackshaft (1985-Up). To be certain, please verify your OEM part number is 60930, 18-2727, or 9-42800 and check the compatible models table.
Q: What are the symptoms of a bad exhaust flapper?
A: Common signs of a failing flapper include a distinct rattling or clattering noise from the exhaust at idle speeds, water backing up into engine cylinders, or visible cracks and deterioration on the flapper itself upon inspection.
Q: How often should I inspect or replace the exhaust flapper?
A: It is recommended to inspect your exhaust flappers annually during routine maintenance. We suggest replacement every 3-5 years, or immediately if you notice any signs of damage, to prevent catastrophic engine failure from water ingestion.
Q: OEM vs. Aftermarket?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.
Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.
Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.
Important Notes
- Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
- This product is an aftermarket replacement part and is not an OEM component.
- Professional installation is recommended to ensure safety and optimal performance.
Why Choose JLM MARINE?
- Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
- Fast Global Shipping: Free delivery worldwide in 5–15 days.
- Direct from Manufacturer: Competitive pricing without compromising quality.
Мы осуществляем доставку практически по любому адресу в мире, при этом для большинства регионов доступна бесплатная доставка.
Для наших типичных клиентов из США и Канады сроки доставки следующие:
- Amazon FBA : заказы будут доставлены в течение 1–5 рабочих дней после размещения заказа (в определенные особые периоды, такие как крупные акции, Рождество и т. д., время доставки Amazon FBA может быть изменено).
- Доставка со склада в США : заказы будут доставлены в течение 7 дней после размещения заказа.
- Доставка со склада в Китае : заказы будут доставлены примерно через 12 дней после размещения заказа.
Когда вы размещаете заказ, мы оценим даты отправки и доставки для вас на основе доступности ваших товаров и выбранных вами вариантов доставки. В зависимости от выбранного вами поставщика услуг доставки, предполагаемые даты доставки могут отображаться на странице расценок на доставку.
Также обратите внимание, что стоимость доставки многих товаров, которые мы продаем, основана на весе. Вес любого такого товара можно найти на странице с его подробностями. Чтобы отразить политику транспортных компаний, с которыми мы работаем, все веса будут округлены до следующего целого фунта.
Основанная в 2002 году, компания JLM Marine зарекомендовала себя как специализированный производитель высококачественных морских деталей, базирующийся в Китае. Наша приверженность совершенству в производстве заслужила нам доверие ведущих мировых морских брендов.
Как прямой поставщик, мы обходим посредников, что позволяет нам предлагать конкурентоспособные цены без ущерба качеству. Такой подход не только поддерживает экономическую эффективность, но и гарантирует, что наши клиенты получают наилучшую ценность напрямую от источника.
Мы рады расширить свое присутствие через розничные каналы, предлагая наш опыт и приверженность качеству непосредственно владельцам и любителям лодок по всему миру.
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