• 861126A1 Fuel Pressure Regulator Kit for Mercruiser MPI 4... - 1 - XRmarine
  • 861126A1 Fuel Pressure Regulator Kit for Mercruiser MPI 4... - 2 - XRmarine
  • 861126A1 Fuel Pressure Regulator Kit for Mercruiser MPI 4... - 3 - XRmarine
  • 861126A1 Fuel Pressure Regulator Kit for Mercruiser MPI 4... - 4 - XRmarine
  • 861126A1 Fuel Pressure Regulator Kit for Mercruiser MPI 4... - 5 - XRmarine
  • 861126A1 Fuel Pressure Regulator Kit for Mercruiser MPI 4... - 6 - XRmarine
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861126A1 Fuel Pressure Regulator Kit for Mercruiser MPI 4.3L 5.0L 5.7L 6.2L V8

861126A1 Fuel Pressure Regulator Kit for Mercruiser MPI 4.3L 5.0L 5.7L 6.2L V8

$19.99 USD
$27.99 USD $19.99 USD
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Fuel Pressure Regulator

For Mercruiser Stern Drive & Inboard Engines with ECM 555

APPLICATION NOTICE: This guide is to be used as a reference only. You must verify fitment using your model or serial number.

Package Contents

1 × Fuel Pressure Regulator 861126A1

Engine Displacement Fitment

4.3L
5.0L
5.7L
6.2L
7.4L
8.1L

Specific Engine Models

MPI & Magnum Series

350 MPI 383 MAG 454 MAG 496 MAG 350 MAG 377 MAG

EFI & HO Series

565 EFI 500 EFI 8.1S HO 7.4L MPI (L29) 454 Magnum MPI 496 Magnum HO

Application Details

Compatible Systems

  • MerCruiser Stern Drive Engines
  • MerCruiser Inboard engines with ECM 555
  • Various MerCruiser MPI (Multi Port Injection) systems
  • Magnum and HO (High Output) engine variants
IMPORTANT NOTE: To find the right parts for your engine, it is VERY IMPORTANT to verify engine model or serial number before purchase. You can leave us message e.g. your engine parts model, serial number, horsepower or year if you are not confirmed these parts fit your engine or not. We're pleasure to help you.

Before You Buy

Please verify your engine model and serial number before purchase. Contact us for fitment confirmation. Free worldwide shipping from XRmarine.

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Boat Owners' Review

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Before You Buy

Frequently Asked Questions

What is your refund policy?

We offer a 14-day hassle-free return on all products. Items must be unused and in original packaging. Every XRmarine part is also covered by our 1-year warranty against manufacturing defects. If something is not right, email us at info@xrmarineparts.com — replacement or full refund, your choice.

See our full Refund Policy for complete details.

How does shipping work?

Free international shipping on every order — no minimums. We operate a global warehouse network with a main distribution centre in Asia (10-20 business days). We also hold stock in regional warehouses across the United States, Germany, the United Kingdom, Australia, and Poland (opening soon) — most orders arrive in 1-3 business days within those countries and in 2-8 business days to nearby regions. Tracking included.

See our full Shipping Policy.

How do you keep prices fair?

We cut out the middlemen. XRmarine sources directly from quality manufacturers and sells at honest prices. Same OEM-quality parts, no dealership markup. Every order comes with free shipping, real expert support, and a 1-year warranty.

Learn more on our About Us page.

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We currently accept PayPal — a fast, secure way to pay online. Credit card payments (Visa, Mastercard, American Express) and Shopify Payments are being set up and will be available soon. We appreciate your patience.