3858967 885174 21491831 Fuel Pressure Regulator for Volvo Penta and MerCruiser

Product Overview

This fuel pressure regulator is designed for Volvo Penta and MerCruiser marine engines, ensuring consistent fuel pressure for optimal performance. It replaces OEM part numbers 3858967, 885174, and 21491831, making it a direct fit for many inboard and sterndrive applications. Marine mechanics and boat owners rely on this regulator for reliable fuel delivery.

Key Features & Performance

• Precision machined to OEM specifications
• Corrosion-resistant construction for marine environments
• Diaphragm design maintains stable fuel pressure
• Direct replacement – no modifications required
• Includes mounting gasket for leak-free seal

Fitment & Compatibility

• Volvo Penta marine engines (various models)
• MerCruiser marine engines (various models)

Common Uses

• Replacing faulty or clogged fuel pressure regulators
• Restoring proper fuel pressure in marine engines
• Resolving hard starting, stalling, or rough idle issues
• Maintenance of inboard and sterndrive fuel systems

Technical Specifications

• Part Number(s): 3858967, 885174, 21491831
• Type: Fuel Pressure Regulator
• Application: Marine (Volvo Penta / MerCruiser)

Frequently Asked Questions

Q: Is this regulator compatible with a 2005 MerCruiser 5.0L MPI? A: Compatible with many MerCruiser models using these part numbers; please cross-reference your engine's OEM part number to confirm.

Q: Does this fuel pressure regulator come with a warranty? A: Yes, it includes a standard manufacturer warranty against defects in materials and workmanship.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.