5033537 Johnson 15751-90J03 Suzuki Fuel Rail | Genuine Used Part

🔧 Product Description

Genuine Used Johnson Suzuki DF90-DF140 Fuel Delivery Rail - Part Numbers: 5033537 and 15751-90J03

A genuine pre-owned fuel-delivery rail for selected Suzuki-built Johnson four-stroke outboards and equivalent Suzuki DF90, DF100, DF115 and DF140 engines.

Suzuki identifies 15751-90J03 as the delivery pipe or fuel rail. Johnson and BRP catalogue the same component under part number 5033537.

The rail receives regulated fuel and distributes it evenly to the four electronic fuel injectors.

⚙️ Key Features

• Genuine Johnson, BRP or Suzuki used fuel rail

• Johnson / BRP number 5033537

• Suzuki number 15751-90J03

• Four-cylinder electronic-fuel-injection configuration

• Holds and supplies four compatible injectors

• Used with separate fuel cooler 5033709 / 15770-90J02

• Original aluminium fuel-delivery component

🔄 Supersession & Cross Reference

OEM Supersession / Related Chain:

• Suzuki 15750-90J00 - Earlier delivery-pipe reference

• Suzuki 15751-90J02 - Related intermediate reference

• Suzuki 15751-90J03 - Later delivery-pipe reference

• Johnson / BRP 5033537 - Johnson service reference

OEM / Related Numbers:

• 5033537

• 15751-90J03

• 1575190J03

• 15750-90J00

• Related fuel injector: 5033708

• Suzuki injector: 15710-65D00

• Related fuel cooler: 5033709

• Suzuki fuel cooler: 15770-90J02

• Delivery-pipe insulator: 15735-58B00

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on selected:

• Johnson 90HP four-stroke outboards

• Johnson 100HP four-stroke outboards

• Johnson 115HP four-stroke outboards

• Johnson 140HP four-stroke outboards

• Suzuki DF90

• Suzuki DF100

• Suzuki DF115

• Suzuki DF140

Representative production period:

• Approximately 2001-2010, model and serial-number dependent

Important fitment note:

• Delivery-pipe part numbers changed during production.

• Confirm 15751-90J03 or 5033537 on the original component or engine diagram.

• Fuel cooler 15770-90J02 is a separate component.

• Injectors, pressure regulator, hoses and mounting hardware are included only when shown or described.

🔌 Function

The rail maintains a shared fuel supply for the four injectors and helps equalise pressure across the cylinders.

Common signs of damage or contamination:

• Fuel leaks around injector seals

• Corrosion in injector bores

• Damaged hose or regulator threads

• Internal varnish or debris

• Uneven fuel delivery

• Engine misfires on one or more cylinders

• Difficult starting

• Rail is bent or cracked

• Injector retaining points are damaged

Recommended checks before installation:

• Clean the rail using an approved fuel-system process

• Inspect all injector bores

• Replace injector upper and lower seals

• Check the pressure regulator where fitted

• Confirm the fuel cooler and hoses are clear

• Inspect for corrosion caused by water-contaminated fuel

• Perform a fuel-pressure test

• Check carefully for leaks after installation

📦 Condition

• Genuine Johnson, BRP or Suzuki used part

• Pre-owned fuel-system component

• Cosmetic marks, fuel residue and light corrosion may be present

• Internal cleanliness and pressure integrity must be checked

• Supplied components are limited to those shown or described

• Supplied in protective or equivalent packaging