100% New Fuel Injector for MerCruiser 4.3L, 5.0L, 6.2L MPI and 350 Mag MPI; Volvo Penta 4.3L, 5.0L, 5.7L
100% New Fuel Injector for MerCruiser 4.3L, 5.0L, 6.2L MPI and 350 Mag MPI; Volvo Penta 4.3L, 5.0L, 5.7L is backordered and will ship as soon as it is back in stock.
Worry-free returns
Worry-free returns
Shop with confidence. If you’re not completely satisfied, eligible items may be returned within the return window, provided they are unused and in original packaging.
If the return is due to our error or a defective item, we’ll make it right.
Please contact us before returning any item.
Delivery and Shipping
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.
100% New Fuel Injector for MerCruiser 4.3L, 5.0L, 6.2L MPI and 350 ...
100% New Fuel Injector for MerCruiser 4.3L, 5.0L, 6.2L MPI and 350 Mag MPI; Volvo Penta 4.3L, 5.0L, 5.7L is backordered and will ship as soon as it is back in stock.
Product Details
This 100% new aftermarket fuel injector is designed for selected MerCruiser and Volvo Penta marine gasoline engines. It is sold as one individual injector and is intended for applications using the specified injector references and engine systems.
For MerCruiser applications, the injector is listed for 4.3L MPI, 5.0L MPI, 6.2L MPI, and 350 Mag MPI engines equipped with ECM555. For Volvo Penta applications, it is listed for 4.3L, 5.0L, and 5.7L engines. Always compare the original injector, engine model, serial number, connector, and fuel-rail configuration before ordering.
- 100% new aftermarket fuel injector.
- Sold individually; one injector per order.
- Designed as a replacement for selected marine MPI fuel-injection applications.
- Suitable only when the original part number and application details match.
Part Number References
The following manufacturer and aftermarket references are associated with this injector listing. These numbers are provided for identification and cross-reference only; they do not replace verification against the original part.
| Brand or Reference Type | Part Number |
|---|---|
| MerCruiser | 885176 |
| Bosch | 0280156081 |
| GM | 12567905 |
| Volvo Penta | 3858969 |
| Sierra aftermarket reference | 18-7688 |
| Mallory Marine aftermarket reference | 9-33102 |
Engine Compatibility
Compatibility is based on the application information available for this product. Engine model, fuel-injection system, ECM, connector, original injector number, and serial number must be checked together. The engine lists below are not a substitute for the manufacturer's parts catalog or service manual.
| Engine Brand | Engine Application | System or Notes | Reference |
|---|---|---|---|
| MerCruiser | 4.3L MPI | Selected MCM applications; verify ECM555 and serial range | 885176 |
| MerCruiser | 5.0L MPI | Selected MCM applications; verify ECM555 and serial range | 885176 |
| MerCruiser | 6.2L MPI | Selected MCM applications; verify ECM555 and serial range | 885176 |
| MerCruiser | 350 Mag MPI | Selected applications with ECM555; verify serial range | 885176 |
| Volvo Penta | 4.3L | Verify original injector and fuel-system configuration | 3858969 |
| Volvo Penta | 5.0L | Verify original injector and fuel-system configuration | 3858969 |
| Volvo Penta | 5.7L | Verify original injector and fuel-system configuration | 3858969 |
Important: Similar engine displacement does not guarantee fitment. Some engines and production periods use different injectors, connectors, fuel rails, or control systems. Confirm the complete original part number and engine serial range before purchase.
Technical Information
- Product Type
- Fuel injector
- Condition
- 100% new aftermarket part
- Quantity
- One injector
- Application
- Selected marine gasoline MPI fuel-injection systems
- MerCruiser Applications
- 4.3L MPI, 5.0L MPI, 6.2L MPI, and 350 Mag MPI with ECM555, where the original injector reference matches
- Volvo Penta Applications
- 4.3L, 5.0L, and 5.7L applications, where the original injector reference matches
- MerCruiser Reference
- 885176
- Additional References
- 0280156081, 12567905, 3858969, 18-7688, and 9-33102
What's in the Box
- 1 x 100% new fuel injector
No retainer clip, O-ring kit, or additional injector is included unless specifically stated in the order details.
Installation Notes
- Relieve fuel pressure: Disconnect the battery and follow the engine manufacturer's procedure for relieving fuel-system pressure before servicing.
- Confirm the replacement: Compare the new injector with the original for part number, connector, body dimensions, seals, and fuel-rail fit before installation.
- Remove the original injector: Access the fuel rail according to the applicable service manual. Disconnect the electrical connector and remove the retaining hardware carefully.
- Protect the seals: If the replacement injector uses serviceable O-rings, use only seals specified for the application and lubricate them with a compatible clean lubricant before insertion. Do not force the injector into the rail.
- Reassemble: Reinstall the injector, retaining hardware, fuel rail, electrical connector, and any removed components using the manufacturer's torque specifications.
- Check for leaks: Pressurize the fuel system with the engine off and inspect every connection for leaks before starting the engine.
Fuel-system work involves gasoline under pressure. Professional installation is recommended when the correct service procedure or engine serial-number application is uncertain.
Troubleshooting & FAQ
How do I confirm that this injector fits my engine?
Match the original injector number to the listed references, then confirm the engine brand, displacement, MPI system, ECM or control system, connector, fuel rail, and serial number. For MerCruiser engines, the listed applications include selected 4.3L MPI, 5.0L MPI, 6.2L MPI, and 350 Mag MPI engines with ECM555. For Volvo Penta, the listed applications include selected 4.3L, 5.0L, and 5.7L engines.
Is this an OEM injector?
No. This is a 100% new aftermarket replacement injector. MerCruiser, Bosch, GM, Volvo Penta, Sierra, and Mallory Marine references are provided only to identify compatible applications and cross-reference the original component.
Does the order include a set of injectors?
No. This listing is for one individual injector. A complete engine may require multiple injectors, so order quantity should be determined from the engine's configuration and service requirements.
Does the order include an O-ring kit or retainer clip?
No additional clip or O-ring kit is included in the stated package contents. Reuse or replacement of seals and retaining hardware must follow the applicable engine service instructions.
What symptoms can indicate a faulty injector?
Possible symptoms include rough running, misfire, hard starting, poor acceleration, uneven idle, increased fuel consumption, or a fuel odor. These symptoms can also be caused by fuel pressure, ignition, wiring, or engine-control problems, so diagnosis should be completed before replacement.
What should I do if the connector or injector body looks different?
Do not force installation. Stop and compare the original part number, connector, seal arrangement, dimensions, and fuel-rail fit. Contact a qualified marine technician or verify the application through the engine manufacturer's parts information.
Safety & Important Information
- For gasoline fuel systems only and for the listed marine applications where the references match.
- Verify the original injector number, connector, engine model, ECM or control system, and serial range before ordering.
- Do not install a part that differs from the original or does not seat correctly in the fuel rail.
- Relieve fuel pressure and inspect carefully for leaks after installation.
- This is an aftermarket replacement and is not manufactured by MerCruiser, Bosch, GM, Volvo Penta, Sierra, or Mallory Marine.
About Sea Sierra
- Marine Replacement Parts — We provide replacement components for a range of marine engine and sterndrive applications.
- Application-Focused Information — Product references and fitment details are presented to help customers compare the replacement with the original part.
- Support Before Installation — When model, connector, or serial-number details are uncertain, verify the application before fitting a fuel-system component.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
