Sierra 18-7817 Mercury Fuel Pump Kit

Sierra 18-7817 Fuel Pump Kit for Mercury and Mariner Outboards

Sierra high-quality fuel pump kits are designed to meet OEM specifications. Includes (1) 18-0970 Fuel Pump Base Gasket.

Interchangeable with:

• Chrysler/Force/US Marine
• 21-42990A8
• 21-42990A7
• 21-42990A10
• EMP
• 1399-39020
• GLM
• 40290
• Mercury Marine
• 21-42990A9
• 21-42990A8
• 21-42990A7
• 21-42990A10
• 21-857005A1
• 21-42990A6
• 21-42990A5
• 21-42990A4
• 21-42990A2
• 21-42990A11
• 21-42990A1
• 21-42990A3
• Mercury Sport Jet
• 21-857005A1
• 21-42990A11

Application:

• 30 JET
• 35 hp (Serial No. B110789 & UP)
• 40 hp (4 Cylinder) (Serial No. C159200 & UP)
• 45 hp (4 Cylinder) (Serial No. B110789 & UP)
• 45 JET (Serial No. 6428681 & UP)
• 50 hp (3 Cylinder) (Serial No. B122930 & UP)
• 50/55 hp (3 Cylinder) (Serial No. D000750 & UP)
• 60 (3 Cylinder) (Serial No. B122930 & UP, D000750 & UP)
• 65 JET (Serial No. 283222 & UP)
• 75 (4 Cylinder) (Serial No. 6432901-C099999)
• 75 (3 Cylinder) (Serial No. C222000 & UP)
• 80 JET (Serial No. 0D283222 & UP)
• 90 (6 Cylinder) (Serial No. 6436123-B1100053)
• 100 (4 Cylinder) (Serial No. B209468 & UP)
• 105 JET
• 115 (6 Cylinder) (Serial No. 6436123-B209467)
• 115 (4 Cylinder) (Serial No. B209468 & UP)
• 125 (4 Cylinder) (Serial No. D283222 & UP)
• V-135 (Serial No. A904646 & UP)
• 140 JET
• 150 EFI (Serial No. G303046 & UP)
• V-150 (Serial No. A904646 & UP)
• 175 EFI (Serial No. G303046-G589999)
• V-175 (Serial No. 6618751 & UP)
• 200 EFI (Serial No. G303046-G589999)
• V-200 (Serial No. 6625221 & UP)
• V-220 (Serial No. B117316 & UP)
• V-250/275 (Serial No. C101891 & UP)
• Magnum II (All)

Frequently Asked Questions

What is the Sierra 18-7817 Fuel Pump Kit used for?

The Sierra 18-7817 Fuel Pump Kit is designed for select Mercury and Mariner outboard applications. The kit is made to meet OEM specifications and includes one 18-0970 Fuel Pump Base Gasket. Application coverage includes various 30 to 275 HP models, including Jet, EFI, and multi-cylinder outboards listed in the product description.

What Mercury and Mariner outboards does the Sierra 18-7817 Fuel Pump Kit fit?

The Sierra 18-7817 is listed for numerous Mercury and Mariner applications, including 35, 40, 45, 50, 55, 60, 75, 90, 100, 115, 125, 135, 150, 175, 200, 220, 250, and 275 HP applications, along with specified Jet, EFI, V-150, V-175, V-200, V-220, V-250/275, and Magnum II models. Verify your engine's serial number before ordering.

What serial numbers are supported by the Sierra 18-7817 Fuel Pump Kit?

Fitment varies by horsepower and engine configuration. Examples include 35 HP with serial number B110789 and up, 75 HP 4 Cylinder with serial numbers 6432901-C099999, and V-175 with serial number 6618751 and up. The complete application list should be checked against your engine's horsepower, cylinder configuration, model type, and serial number.

What is included with the Sierra 18-7817 Fuel Pump Kit?

The Sierra 18-7817 Fuel Pump Kit includes one 18-0970 Fuel Pump Base Gasket. The supplied product description identifies this gasket as the included component and does not list additional components in the kit.

What parts is the Sierra 18-7817 Fuel Pump Kit interchangeable with?

The Sierra 18-7817 is interchangeable with specified Chrysler/Force/US Marine, EMP, GLM, Mercury Marine, and Mercury Sport Jet part numbers. Listed Mercury Marine numbers include 21-42990A9, 21-42990A8, 21-42990A7, 21-42990A10, 21-857005A1, 21-42990A6, 21-42990A5, 21-42990A4, 21-42990A2, 21-42990A11, 21-42990A1, and 21-42990A3.

What should I verify before ordering the Sierra 18-7817 Fuel Pump Kit?

Verify your outboard's horsepower, cylinder configuration or engine type, and serial number against the listed applications. The product description covers many Mercury and Mariner models with different serial-number ranges, so matching the specific application is important before ordering. You can also compare the listed interchangeable part numbers with the part currently specified for your engine.

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