OEM & Cross Reference Numbers

Mercury FSM / VST Seal Kit Fitment

The 7333 / 8M0133370 seal kit fits all of the engine families listed below. The individual fuel pumps inside the module vary by model and serial range, but this seal kit is common across these compatible Fuel Supply Module applications.

Mercury FSM Fuel Pump Selection Guide

Use this section to identify the pumps commonly found inside the Fuel Supply Module that uses the 7333 / 8M0133370 seal kit.

65-150 EFI - FSM Range 2B494019 thru 3B694498

Also used in compatible 200-300R 4.6L V8, 200-400HP L6 Verado, 175-225HP V6 and 200-300HP V8 applications.

Mercury OEM 883202 Low-Pressure Fuel Pump

Genuine Mercury low-pressure electric fuel pump for compatible FSM applications.

View OEM 883202 Pump

Pro Marine Replacement for 883202

Pro Marine aftermarket low-pressure FSM fuel pump for compatible Mercury applications.

View Pro Marine Low-Pressure Pump

65-150 EFI - 3B681565 & Present

Mercury 8M0245917 Low-Pressure Fuel Pump

Later low-pressure FSM pump used on select 65-150HP EFI applications, including the later FSM configuration.

View Mercury 8M0245917 Pump

450R 4.6L V8 Racing

200-300R 4.6L V8 & 200-400HP L6 Verado

Pro Marine 3288P High-Pressure Fuel Pump

High-pressure FSM pump for compatible L6 Verado and modern Mercury V6 / V8 applications.

View Pro Marine 3288P

65-150 EFI - FSM Range 2B494019 thru 3B694498

EMP 39612 High-Pressure Fuel Pump

High-pressure FSM fuel pump for select 65-150HP EFI applications using the earlier compatible FSM configuration.

View EMP 39612 High-Pressure Pump

65-150 EFI - 3B681565 & Present

Mercury 8M0245916 High-Pressure Fuel Pump

Later high-pressure Fuel Supply Module pump for compatible 65-150HP EFI, MerCruiser 4.5L / 6.2L, MIE and TowSports applications.

View Mercury 8M0245916 Pump

450R 4.6L V8 Racing

What This Seal Kit is Used For

Mercury Fuel Supply Modules contain electric fuel pumps, fuel passages, regulators and sealing surfaces that must remain fuel-tight. Whenever the module is disassembled for pump replacement or internal service, the O-rings and seals should be carefully inspected.

The Pro Marine 7333 / Mercury 8M0133370 seal kit provides replacement seals for compatible FSM assemblies so the module can be properly resealed during service.

When Should I Replace the FSM Seals?

• Whenever the Fuel Supply Module is opened for major service
• When replacing a high-pressure fuel pump
• When replacing a low-pressure fuel pump
• When existing seals are flattened, swollen, cracked or damaged
• When repairing an FSM fuel leak
• When contamination or deterioration is found during disassembly

Why Service the Entire Fuel Supply Module?

Fuel-pressure problems can originate on either side of the FSM. A weak low-pressure pump can starve a perfectly good high-pressure pump, while a failed high-pressure pump may prevent the EFI system from reaching operating pressure even when the module has plenty of fuel.

Before replacing components, test both fuel delivery and fuel pressure. If the module must be opened, inspect both pumps, electrical connections, fuel passages and all seals while access is available.

Key Features and Benefits

• Pro Marine Fuel Supply Module / VST seal kit
• Replaces Mercury OEM 8M0133370
• Fits a broad range of Mercury FSM applications
• Fits select 65-150HP EFI outboards
• Fits L6 Verado 200-400HP applications
• Fits modern Mercury 3.4L V6 engines
• Fits modern Mercury 4.6L V8 engines
• Fits select Mercury Racing 150R-500R applications
• Fits select Mercury 5.7L V10 applications
• Fits select 500-600HP 7.6L V12 applications
• Fits select MerCruiser 4.5L and 6.2L engines
• Fits select MIE and TowSports Fuel Supply Modules
• Low-pressure and high-pressure pump options organized above

FAQ

What OEM number does Pro Marine 7333 replace?
Pro Marine 7333 replaces Mercury FSM seal kit 8M0133370.

Is this a VST seal kit or an FSM seal kit?
It is used to reseal compatible Mercury Fuel Supply Module assemblies. These fuel modules are also commonly referred to as VST / fuel module assemblies when discussing marine EFI fuel-system service.

Does this fit Mercury L6 Verado?
Yes. Fitment includes numerous 200-400HP L6 Verado, Pro Verado and Racing applications shown above.

Does this fit Mercury 3.4L V6 and 4.6L V8 engines?
Yes. The verified fitment includes multiple V6, V8, SeaPro, Pro XS, Verado and Racing configurations.

Does it fit the Mercury V10?
Yes. The supplied Mercury catalog fitment includes select 5.7L V10 Verado, SeaPro and Racing applications.

Does it fit Mercury V12 engines?
Yes. Verified fitment includes select 500HP and 600HP 7.6L V12 SeaPro applications.

Does it fit MerCruiser engines?
Yes. The fitment includes select 4.5L MPI and 6.2L MPI MerCruiser, MIE and TowSports Fuel Supply Modules.

Which fuel pump goes with this seal kit?
There is no single pump for every application. The correct low-pressure and high-pressure pumps vary by engine family and FSM serial range. Use the Fuel Pump Selection Guide above.

Should the seals be replaced when changing an FSM pump?
Inspect the seals whenever the Fuel Supply Module is opened. Replacing worn, damaged or disturbed seals while the module is apart helps prevent having to disassemble the FSM again for a leak.

How do I confirm fitment?
Verify the engine model and serial number and confirm that the Mercury Fuel Supply Module diagram calls for seal kit 8M0133370.

Searchable Terms

7333, Pro Marine 7333, 8M0133370, Mercury 8M0133370, Mercury FSM seal kit, Mercury VST seal kit, Mercury Fuel Supply Module seal kit, Verado FSM seal kit, Verado VST seal kit, Mercury fuel module O ring kit, Mercury fuel module gasket kit, Mercury 65 EFI FSM seal kit, Mercury 75 EFI FSM seal kit, Mercury 90 EFI FSM seal kit, Mercury 115 EFI FSM seal kit, Mercury 150 EFI FSM seal kit, Mercury L6 Verado FSM seal kit, Mercury 200 Verado seal kit, Mercury 250 Verado seal kit, Mercury 300 Verado seal kit, Mercury 350 Verado seal kit, Mercury 400 Verado seal kit, Mercury 400R FSM seal kit, Mercury 450R FSM seal kit, Mercury 500R FSM seal kit, Mercury 3.4L V6 FSM seal kit, Mercury 4.6L V8 FSM seal kit, Mercury 5.7L V10 FSM seal kit, Mercury 7.6L V12 FSM seal kit, Mercury 500 V12 seal kit, Mercury 600 V12 seal kit, MerCruiser 4.5L FSM seal kit, MerCruiser 6.2L FSM seal kit, Mercury MIE FSM seal kit, Mercury TowSports FSM seal kit, 883202, 1-32-883202, 8M0245917, 3288P, 39612, 8M0245916, 8M0161399, 8M0161400, 8M0179358, 8M0179359

Compatible Applications

Pro Marine 48207SP is designed for compatible Yamaha outboards using the 10-pin Yamaha mechanical-control system.

Pro Marine's application information identifies the following Yamaha engine families for this control:

OEM and Cross Reference Numbers

Pro Marine 48207SP replaces a large number of Yamaha 703 side-mount remote-control assemblies. These older and superseded numbers are important when identifying a replacement control from an existing Yamaha rigging system.

What This Control is Used For

The Yamaha 703 side-mount control is the operator's primary interface with a compatible mechanically controlled Yamaha outboard.

Moving the control lever operates the engine's mechanical throttle and shift cables, allowing the operator to select forward, neutral and reverse while controlling engine speed from the helm.

The control also integrates the electrical functions needed for the compatible Yamaha 10-pin rigging system.

15-Foot 10-Pin Harness

Pro Marine 48207SP is supplied with a 15-foot electrical harness for compatible Yamaha 10-pin applications.

The harness provides the electrical connection between the remote control and the compatible engine rigging system.

Push-to-Choke Ignition

The 48207SP control is configured with the push-to-choke ignition function used on compatible Yamaha mechanical-control outboards.

This allows the applicable engine starting / enrichment function to be operated through the ignition switch rather than requiring a separate helm-mounted choke control.

Power Trim and Tilt Control

The Yamaha 703-style control incorporates power trim and tilt control for compatible Yamaha outboards.

This allows the operator to adjust engine trim while maintaining control of the throttle and shift lever.

Mechanical Throttle and Shift

Pro Marine 48207SP is for mechanically controlled Yamaha outboards.

A mechanical-control system uses physical throttle and shift cables between the remote-control box and the engine.

This control should not be confused with Yamaha electronic throttle-and-shift or drive-by-wire control systems.

Yamaha 703 Side Mount Design

The Yamaha 703 control family uses a side-mount remote-control configuration. This style is commonly installed on the side of the helm, console or cockpit where the operator can comfortably reach the control lever.

If replacing an existing Yamaha 703 control, compare the original mounting arrangement, electrical connector and OEM control number before installation.

Replacing an Older Yamaha 703 Control

Yamaha used numerous part numbers for variations and revisions of the 703 remote-control family. This is why an older control may carry a number beginning with 703-48201, 703-48205 or 703-48207.

Pro Marine 48207SP provides a replacement option for the compatible mechanical 10-pin applications represented by the cross-reference numbers listed above.

Common Reasons to Replace a Yamaha Remote Control

• Excessive play in the control lever
• Stiff or inconsistent throttle movement
• Difficult shifting
• Worn internal control mechanism
• Failed ignition switch
• Failed trim and tilt switch
• Damaged or corroded electrical harness
• Damaged control housing
• Corrosion inside an older control box
• Complete boat rerigging or restoration

Installation Tips

• Verify that the engine uses mechanical throttle and shift controls.
• Confirm that the electrical system uses the compatible Yamaha 10-pin connection.
• Compare the original control part number with the cross-reference list.
• Confirm that the 15-foot harness length is suitable for the installation.
• Inspect the throttle and shift cables while the old control is removed.
• Replace stiff, damaged or corroded control cables before installation.
• Route the harness and cables without sharp bends or excessive tension.
• Adjust throttle and shift cables according to Yamaha service procedures.
• Verify forward, neutral and reverse operation before operating the boat.
• Test ignition, push-to-choke and power trim functions after installation.

Key Features and Benefits

• Pro Marine aftermarket Yamaha remote control
• Yamaha 703-style side-mount design
• Designed for compatible mechanical-control Yamaha outboards
• Mechanical throttle and shift operation
• 10-pin electrical connection
• 15-foot harness
• Push-to-choke ignition function
• Integrated power trim and tilt control
• Replaces numerous Yamaha 703 remote-control numbers
• Manufacturer reference 703-48207-21-00
• Pro Marine item number 48207SP

FAQ

What is Pro Marine 48207SP?
It is a Pro Marine aftermarket Yamaha 703-style side-mount mechanical remote control with a 10-pin electrical connection and 15-foot harness.

Is 48207SP a complete remote control or just a wiring harness?
It is a remote-control assembly with the 15-foot harness, not simply a replacement wiring harness.

Is this a mechanical Yamaha control?
Yes. This control is intended for compatible Yamaha outboards using mechanical throttle and shift cables.

What type of electrical connection does it use?
Pro Marine 48207SP uses the compatible Yamaha 10-pin electrical connection.

How long is the harness?
The control is supplied with a 15-foot harness.

Does it have power trim and tilt control?
Yes. The compatible Yamaha 703 control configuration includes power trim and tilt control.

Does this control have push-to-choke?
Yes. Pro Marine lists 48207SP with a push-to-choke ignition configuration.

Does 48207SP replace Yamaha 703-48207-21-00?
Yes. Pro Marine identifies 703-48207-21-00 as the manufacturer reference for 48207SP.

Does it replace Yamaha 703-48207-25-00?
Yes. 703-48207-25-00 is included in the supplied and verified cross-reference list for this control family.

Does it replace older 703-48205 controls?
Yes. Numerous 703-48205 numbers are included in the cross-reference list, including A-series and 10-series control numbers.

Will this work with Yamaha electronic controls?
No. This listing is for compatible mechanical throttle and shift applications, not Yamaha electronic throttle-and-shift systems.

Will it fit every Yamaha outboard in the listed horsepower range?
No. Horsepower alone does not determine control compatibility. Verify that your engine uses the compatible mechanical-control system and 10-pin electrical connection, or match the original control to one of the listed OEM numbers.

Searchable Part Numbers

48207SP, 703-48201-A0-00, 703-48201-A1-00, 703-48201-A2-00, 703-48201-A3-00, 703-48205-A0-00, 703-48205-A1-00, 703-48205-A2-00, 703-48205-A3-00, 703-48205-A4-00, 703-48205-A5-00, 703-48205-10-00, 703-48205-11-00, 703-48205-12-00, 703-48205-13-00, 703-48205-15-00, 703-48205-16-00, 703-48205-17-00, 703-48207-A1-00, 703-48207-A3-00, 703-48207-A4-00, 703-48207-1A-00, 703-48207-1A-10, 703-48207-1B-10, 703-48207-10-00, 703-48207-11-00, 703-48207-12-00, 703-48207-13-00, 703-48207-14-00, 703-48207-15-00, 703-48207-15-10, 703-48207-16-10, 703-48207-17-10, 703-48207-18-10, 703-48207-20-00, 703-48207-21-00, 703-48207-22-00, 703-48207-23-00, 703-48207-24-00, 703-48207-25-00

Searchable Terms

Yamaha 703 remote control, Yamaha 703 control box, Yamaha side mount control, Yamaha mechanical remote control, Yamaha 10 pin control, Yamaha 10 pin remote, Yamaha 15 foot harness control, Yamaha push to choke control, Yamaha PTT remote control, Yamaha power trim control, Yamaha throttle control, Yamaha shift control, Yamaha outboard control box, Yamaha 703-48207, Yamaha 703-48205, Yamaha 703-48201, Pro Marine 48207SP