Carburetor Repair Kit – Fits MerCruiser/Volvo Penta 155-302 5.0L (Replaces 1396-4656)
Carburetor Repair Kit – Fits MerCruiser/Volvo Penta 155-302 5.0L (Replaces 1396-4656) is backordered and will ship as soon as it is back in stock.
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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.).
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Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Carburetor Repair Kit – Fits MerCruiser/Volvo Penta 155-302 5.0L (R...
Product Details
This Carburetor Repair Kit – Fits MerCruiser/Volvo Penta 155-302 5.0L (Replaces 1396-4656) is designed for MerCruiser and Volvo Penta 5.0L (302 cu in) V8 engines equipped with Holley 2-barrel carburetors. It covers 155, 165, 175, and 185 horsepower models manufactured between 1971 and 1977.
It serves as a direct replacement for Mercury OEM part number 1396-4656.
- Engineered for direct replacement and easy installation.
- Specifically for gasoline-fueled marine engines with Holley 2-barrel carburetors.
- Includes essential adjustable needles and seats for fine-tuning fuel flow.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Mercury | 1396-4656 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
For MerCruiser applications, this kit is verified for the 888 (2 BBL) series with the Ford 302 V-8 engine.
For Volvo Penta applications, this kit is compatible with 5.0L (302) models; confirm your specific year and carburetor type.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| MerCruiser | 888 (2 BBL) | 155–185 | 4-Stroke | 1971–1977 | 1396-4656 | Ford 302 V-8 (5.0L), Serial #3108723 and up |
| Volvo Penta | 5.0L (302) | 155–185 | 4-Stroke | Compatible with 155, 165, 175, 185 HP variants |
Technical Specs
- Product Type
- Carburetor Repair Kit
- Installation
- Direct replacement
- Fuel Type
- Gasoline
- Dimensions
- 63.8 mm × 70.0 mm × 16.3 mm (H × W × L)
- Weight
- 0.16 kg (0.35 lb)
- Connection
- Holley 2-barrel carburetor
- Other Attributes
- Contains adjustable needles & seats
What’s in the Box
This kit includes all necessary gaskets, seals, needles, seats, and other small components required for a standard rebuild of a Holley 2-barrel carburetor. Please reference product images to confirm all included parts.
Installation Notes
- Disconnect the battery and relieve all fuel system pressure before beginning.
- Remove the air cleaner assembly. Carefully label all vacuum lines and electrical connectors attached to the carburetor before disconnecting them.
- Disconnect the fuel line, throttle linkage, and choke linkage.
- Remove the carburetor mounting nuts or bolts and carefully lift the carburetor off the intake manifold.
- On a clean workbench, disassemble the carburetor, organizing all parts in the order of removal.
- Thoroughly clean all metal components with a quality carburetor cleaner. Do not spray cleaner on any rubber or plastic parts.
- Carefully replace the old gaskets, seals, needle, and seat with the new components provided in this kit.
- Reassemble the carburetor, ensuring all components are correctly installed and all screws are properly torqued.
- Place a new base gasket on the intake manifold and reinstall the rebuilt carburetor.
- Reconnect all linkages, lines, and connectors. Reinstall the air cleaner.
- Reconnect the battery, start the engine, and meticulously check for any fuel leaks.
- Once confirmed leak-free, adjust the idle speed and mixture screws according to your engine's service manual for optimal performance.
Troubleshooting & FAQ
Will this kit fit my engine if it's not a MerCruiser 888 model?
This kit is specifically designed for MerCruiser 888 models with the Ford 302 (5.0L) V8 engine and a Holley 2-barrel carburetor from 1971–1977. It may also fit some Volvo Penta 5.0L models, but you must verify your carburetor type and engine specifications before ordering.
How do I know if my carburetor needs a rebuild?
Common signs include difficulty starting, rough idling, stalling at low speeds, poor acceleration, hesitation, fuel leaks, or black smoke from the exhaust. A visual inspection may also reveal brittle or cracked gaskets.
Are the needles and seats in this kit adjustable?
Yes, this kit contains adjustable needles and seats, which allow you to precisely set the fuel level in the float bowl. This is critical for fine-tuning engine performance and ensuring efficient operation.
Does this kit include instructions?
Instructions are not included. This kit is intended for installers with a working knowledge of carburetor rebuilding. For safety and reliability, professional installation is highly recommended if you are not experienced with this type of repair.
What is the recommended replacement interval for a carburetor kit?
There is no fixed schedule; service life depends on fuel quality, engine hours, and storage conditions. It's best to inspect your carburetor during routine maintenance and plan a rebuild if you notice performance issues or every few years as a preventative measure.
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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