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Carburetor Repair Kit – Fits Johnson/Evinrude V4/V6/V8 Looper (Replaces 437327, 0437327)

Regular price $30.50

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Delivery and Shipping

Orders are typically processed within 1–2 business days.


U.S. orders usually arrive within 6–15 days, depending on stock location and destination.


International delivery times may vary due to customs processing.


Tracking information will be provided once your order ships.

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 Repair Kit – Fits Johnson/Evinrude V4/V6 Looper Engines (Replaces 437327, 0437327) is designed for a wide range of Johnson/Evinrude V4, V6, and V8 Looper series 2-stroke outboard engines, covering models from 120 HP to 300 HP manufactured between 1985 and 2001.

It serves as a direct replacement for Johnson/Evinrude part numbers 437327, 0437327, 439079, 439078, and Sierra 18-7248, ensuring broad compatibility for component-level carburetor rebuilds.

  • Engineered for component-level repair and maintenance.
  • Features high-quality Viton gaskets for superior ethanol resistance.
  • Covered by a 1-year warranty for peace of mind.

Part Number Matrix

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

Brand Part Number
Johnson/Evinrude 437327
Johnson/Evinrude 0437327
Johnson/Evinrude 439079
Johnson/Evinrude 439078
Sierra 18-7248

Engine & Model Compatibility

Confirm your engine model/year in the table below.

For Johnson/Evinrude engines, verify your V4, V6, or V8 Looper model and production year fall within the specified ranges.

Brand Model Rated HP Stroke Years OEM Part No. Notes
Johnson/Evinrude V4 Loopers 120 2-Stroke 1985–1994 437327
Johnson/Evinrude V4 Loopers (C Models) 125 2-Stroke 1989–1998 437327
Johnson/Evinrude V4 Loopers 130 2-Stroke 1995–2000 437327
Johnson/Evinrude V4 Loopers 135 2-Stroke 2001 437327
Johnson/Evinrude V4 Loopers 140 2-Stroke 1985–1994 437327
Johnson/Evinrude V6 Loopers 185 2-Stroke 1989–1994 437327
Johnson/Evinrude V6 Loopers 200 2-Stroke 1986–2001 437327
Johnson/Evinrude V6 Loopers 225 2-Stroke 1986–2001 437327
Johnson/Evinrude V8 Loopers 250 2-Stroke 1991–2001 437327
Johnson/Evinrude V6 Loopers 275 2-Stroke 1985–1988 437327
Johnson/Evinrude V8 Loopers 300 2-Stroke 1988–2001 437327
Johnson/Evinrude 3.6L Sea Drive Looper N/A 2-Stroke 1985–1988 437327

Technical Specs

Product Type
Carburetor Repair Kit
Installation
Component-level repair
Fuel Type
Gasoline
Warranty
1 Year
Other Technical Attributes
Contains Viton gaskets

What’s in the Box

  • Gaskets (Viton material)
  • Float components
  • Sealing components

Installation Notes

  1. Disconnect the battery and ignition system for safety. Work in a well-ventilated area away from open flames.
  2. Carefully remove the carburetor(s) from the engine, labeling fuel and vacuum lines.
  3. Disassemble the carburetor on a clean workbench, laying out parts in the order of removal.
  4. Thoroughly clean all metal components with a high-quality carburetor cleaner. Do not soak rubber or plastic parts.
  5. Inspect jets, passageways, and housings for wear, blockage, or damage.
  6. Systematically replace old gaskets, seals, and other wear items with the new components from this kit.
  7. Reassemble the carburetor, ensuring all parts are correctly seated. Do not overtighten screws.
  8. Reinstall the carburetor on the engine, reconnect lines, and adjust float levels and idle settings according to your service manual.

Troubleshooting & FAQ

How do I know if this kit fits my specific engine model?

Check the 'Engine & Model Compatibility' table, which lists compatible models, years, and horsepower ratings. For guaranteed fitment, always verify your OEM part number (e.g., 437327) against our 'Part Number Matrix'.

What are the signs my carburetor needs rebuilding with this kit?

Common symptoms include difficulty starting, rough idling, stalling at low speeds, poor acceleration, black smoke from exhaust, and visible fuel leaks. This kit replaces common wear items like gaskets and seals to resolve these issues.

What is the benefit of Viton gaskets?

Viton gaskets offer superior resistance to modern ethanol-blended fuels, which can cause standard rubber gaskets to swell, crack, or degrade over time. This ensures a longer-lasting, more reliable seal against fuel leaks.

Are instructions or a service manual included?

Specific instructions are not included due to the wide range of engine applications. We strongly recommend using your engine's official service manual for detailed procedures and specifications. Professional installation is advised if you are not experienced with carburetor repairs.

When should I rebuild my carburetor?

There is no fixed service interval. It depends on fuel quality, usage frequency, and storage conditions. It's best to rebuild the carburetor when you notice performance issues or as part of a routine major engine service every few years.

Will this kit fix all carburetor problems?

This kit resolves issues caused by degraded seals, gaskets, and other included wear items. It will not fix problems related to cracked carburetor bodies, warped surfaces, or damaged non-included components.

OEM vs. Aftermarket?

This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.

Shipping speed & cost

We ship worldwide quickly—typical transit 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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