Genuine Bosch UPGRADE Fuel Injectors fits Volvo Penta 4.3L MPI MerCruiser 88517
Upgrade your engine with a professionally remanufactured, precision flow-matched set of genuine Bosch fuel injectors, built to deliver consistent performance, reliability, and long-term durability. This upgrade directly replaces the stock 0280156081 injectors.
This listing includes a complete set of 6 injectors, specifically configured for V6 marine applications such as the Volvo Penta 4.3L MPI. Each injector is individually serviced, tested, and balanced as part of a matched set to ensure smooth operation across all cylinders. They are engineered for accurate fuel delivery and dependable performance in demanding marine environments.
What You Will Receive
- Set of 6 genuine Bosch fuel injectors
- Full professional remanufacturing process
- New internal filters, O-rings, and seals installed
- Ultrasonic cleaning and reverse-flow flushing
- Leak testing and spray pattern validation
- Final ASNU flow testing and matching as a complete set
Precision Flow Matching
All injectors are flow matched to meet or exceed OEM specifications, typically within 3-5%.
For customers seeking the highest level of performance, we offer an optional 1 % flow matching upgrade. This advanced service includes additional testing time and documented results, ensuring extremely tight balance across all injectors for optimal engine efficiency, smoother operation, and improved consistency.
REPLACES Part Numbers:
0280156081
885176
12567905
3858969
3858981
Fitment
Volvo Penta 4.3L V6 MPI
MerCruiser 4.3L V6 MPI
Volvo Penta 5.0L V8 MPI
Volvo Penta 5.7L V8 MPI
MerCruiser 5.0L V8 MPI
MerCruiser 5.7L V8 MPI
MerCruiser 6.2L V8 MPI
Fitment Verification
While these injectors are commonly used across the applications listed above, certain engines may vary based on serial number or production changes.
If you would like confirmation prior to ordering, please send your engine serial number or a photo of your current injectors. Our team will verify compatibility to ensure you receive the correct set.
Why Choose CS Performance
- Genuine OEM Bosch injectors, never aftermarket knockoffs
- ASNU certified service center - ASNU testing and validation equipment
- Precision flow matching for optimal cylinder balance
- Proven remanufacturing process with premium components
- Over 20 years of industry experience

