Carburetor Kit – Fits OMC & Volvo Penta Personal Watercraft (Replaces OMC 986796, Volvo 3854020)

$38.00 $60.00

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Carburetor Kit – Fits OMC & Volvo Penta Personal Watercraft (Replaces OMC 986796, Volvo 3854020) is backordered and will ship as soon as it is back in stock.

Worry-free returns

You may return most new, unopened items within 7 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Delivery and Shipping

Free standard shipping on all orders under 1 KG

If you have any questions, feel free to email us at info@sierramarines.com, and we’ll get back to you within 20–36 hours.

Product Details

This Carburetor Kit is designed for specific marine engines, restoring performance and efficiency. It is compatible with Holley 2BBL carburetors found in various OMC V6 and V8 engines, as well as Volvo Penta 4.3L GL/GS, 5.0L GL, and 5.7L GL models manufactured between 1993 and 1998.

This kit serves as a direct replacement for multiple part numbers, including Sierra 18-7238, OMC 986796, Volvo 3854020, OMC 3854347, Mallory 9-37624, and GLM 76081.

Engineered to meet or exceed original equipment manufacturer (OEM) standards.

Part Number Matrix

Use this matrix to confirm equivalent references across OEM and aftermarket.

Brand	Part Number
Sierra	18-7238
OMC	986796
OMC	3854347
Volvo Penta	3854020
Mallory	9-37624
GLM	76081

Engine & Model Compatibility

Confirm your engine model/year in the table below.

For Volvo Penta engines, this kit fits 4.3L, 5.0L, and 5.7L models from 1993–2009 equipped with Holley 2-barrel carburetors.

For OMC Stern Drive engines, this kit is compatible with 432APL, 434APL, and various 43F series models from 1990–1998 using Holley 2BBL carburetors.

Brand	Model	Rated HP	Years	OEM Part No.	Notes
Volvo Penta	4.3L GL, GS	160-205	1993–1998	3854020	For use with Holley 2-bbl carburetors
Volvo Penta	5.0L GL	220	1997–2009	3854020	For use with Holley 2-bbl carburetors
Volvo Penta	5.7L GL	215-280	1993–1999	3854020	For use with Holley 2-bbl carburetors
OMC Stern Drive	432APL, 434APL series		1990–1998	986796 / 3854020	For use with Holley 2BBL carburetors
OMC Stern Drive	43FAPNCA, 43FBPBYC, 43FBPLKD, 43FBPNCS		1996–1998	986796 / 3854020	For use with Holley 2BBL carburetors

Technical Specs

Product Type: Carburetor Kit
Fuel Type: Gasoline
Housing Color: White
Dimensions: 5.0 in x 17.0 in x 24.0 in
Weight: 0.16 kg (0.35 lbs)
Warranty: Limited Lifetime
Other Technical Attributes: Engineered to meet or exceed OEM standards

What’s in the Box

1 x Complete Carburetor Rebuild Kit

Installation Notes

Disconnect the boat's battery and relieve all pressure from the fuel system.
Carefully label and disconnect all fuel lines, vacuum hoses, and throttle linkages attached to the carburetor.
Remove the mounting nuts/bolts and lift the old carburetor off the intake manifold.
Disassemble the carburetor on a clean workbench. Take photos during disassembly for reference.
Thoroughly clean all metal parts with a carburetor cleaner, removing all old gasket material, carbon, and varnish.
Carefully install the new gaskets, seals, needle, and other components from the kit.
Reassemble the carburetor, ensuring all parts move freely.
Install the rebuilt carburetor onto the engine with a new base gasket.
Reconnect all linkages, hoses, and fuel lines.
Reconnect the battery, prime the fuel system, and start the engine.
Check for any fuel or air leaks.
Adjust the idle speed and mixture screws according to your engine's service manual for optimal performance.

Troubleshooting & FAQ

How do I know if this carburetor kit fits my engine?

This kit is for specific OMC and Volvo Penta models using Holley 2BBL carburetors. Please review the 'Engine & Model Compatibility' table and verify your engine model, horsepower, and year range before ordering. It is critical to match these details to ensure proper fitment.

What are common symptoms of a faulty carburetor needing a rebuild?

Signs that your carburetor may need rebuilding include difficulty starting, rough or erratic idling, stalling at low speeds, engine hesitation upon acceleration, reduced power, poor fuel economy, or black smoke from the exhaust, which indicates a rich fuel mixture.

Does this kit contain all necessary parts for a full rebuild?

This is a comprehensive kit containing the typical wear items needed for a standard carburetor overhaul, such as gaskets, seals, and a needle/seat assembly. However, it does not include hard parts like the float or throttle shafts, which are usually replaced only if damaged.

Can I install this kit myself?

While DIY installation is possible for those with mechanical experience, carburetor rebuilding requires precision and cleanliness. For safety and to ensure correct performance, we recommend professional installation by a qualified marine mechanic.

Is there a recommended break-in period after rebuilding?

There is no formal break-in period, but after installation, you should run the engine and fine-tune the idle speed and air-fuel mixture settings as specified in your service manual. Monitor for leaks and ensure smooth operation under various loads.

OEM vs. Aftermarket?

This listing is an aftermarket replacement (not OEM). It's built to OEM-level specifications with comparable materials and manufactured in an ISO 9002 facility, with batch inspections for consistency.

Shipping speed & cost

We ship worldwide quickly—typical transit is 5–15 days. Standard shipping is free; expedited options appear at checkout where available.

Warranty & returns

Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.

Safety & Important Info

Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
This is an aftermarket replacement, not an OEM component.
Professional installation is recommended for safety and performance.

About Sea Sierra

Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.

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