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FLASHSALE26

Yamaha Outboard Water Pump O-Ring – Replaces 93210-46044, Sierra 18-7436

Regular price $16.21

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Product Details

This replacement O-ring is identified for Yamaha outboard water pump applications and replaces Yamaha OEM number 93210-46044. Catalog references identify the same O-ring as Sierra 18-7436. It is a single replacement sealing ring for use where the original application requires this part number.

The supplied product record identifies this item as an O-ring rather than a kit. The water pump catalog relationship confirms the part number and description, but exact fitment depends on the complete Yamaha model, year, serial range, and water pump assembly. Verify the number and application against your engine parts diagram before ordering.

  • Single replacement O-ring
  • For specified Yamaha outboard water pump applications
  • Replaces Yamaha 93210-46044
  • Also listed as Sierra 18-7436

Part Number Matrix

Use these references to compare the replacement with your existing water pump parts documentation.

Brand or Reference Part Number Description
Yamaha 93210-46044 OEM reference for O-ring
Sierra 18-7436 Aftermarket O-ring reference

Engine & Model Compatibility

Available catalog evidence identifies this O-ring in Yamaha water pump parts listings, but does not provide a complete standalone model, year, stroke, or serial-number fitment chart for this replacement. Confirm that your engine parts diagram calls for Yamaha 93210-46044 before purchase.

Brand Application Verified Reference Fitment Condition
Yamaha Outboard water pump assembly 93210-46044 Match the complete engine model, year, serial range, and water pump diagram

Technical Specs

OEM Number
93210-46044
Aftermarket Reference
Sierra 18-7436
Application
Yamaha outboard water pump O-ring
Type
O-ring
Quantity
1

What's in the Box

  • 1 × Water Pump O-Ring

Installation Notes

  1. Confirm the engine model, year, serial range, and water pump diagram before starting work.
  2. Stop the engine, remove the ignition key, and follow the manufacturer's safety procedures.
  3. Remove the water pump components as directed by the applicable service manual.
  4. Remove the old O-ring and clean the sealing groove and mating surfaces.
  5. Inspect the groove and surrounding components for corrosion, damage, or distortion.
  6. Install the new O-ring evenly without twisting, pinching, or cutting it.
  7. Reassemble the water pump using the manufacturer's specified sequence and torque values.
  8. After installation, verify proper water flow and check for leaks according to the service manual.

Troubleshooting & FAQ

What does this O-ring seal?

This part is identified in Yamaha water pump parts references as an O-ring associated with the water pump assembly. The exact sealing location depends on the specific engine and diagram.

Is this an intake silencer O-ring?

No. The available parts evidence identifies 93210-46044 as a water pump O-ring, not an intake silencer seal. Verify the application before ordering.

How can I confirm compatibility?

Check the complete Yamaha engine model, year, serial range, and water pump parts diagram. The diagram must specify OEM number 93210-46044 or a documented equivalent reference.

Does this listing include a water pump kit?

No. This listing is for one replacement O-ring only. A water pump housing, impeller, key, gaskets, bolts, or other components are not included.

Can I reuse the old O-ring?

Replacement is recommended whenever the seal is removed, especially if it is flattened, cracked, hardened, stretched, or otherwise damaged.

What lubricant should I use during installation?

Use only a lubricant approved by the engine or seal manufacturer for the applicable water pump assembly. Do not use a lubricant that may damage the O-ring material or contaminate the cooling system.

Is this an OEM Yamaha part?

This listing is for a replacement O-ring referenced to Yamaha OEM number 93210-46044. It is not represented as a genuine Yamaha-branded component.

Safety & Important Info

  • Confirm the OEM number and complete engine application before ordering.
  • Do not rely on horsepower alone; model, year, serial range, and assembly details must remain together.
  • This listing includes one O-ring only and does not include a water pump repair kit.
  • Follow the applicable service manual for disassembly, installation, torque, and post-installation checks.

About Sea Sierra

  • Marine replacement parts selected for practical repair and maintenance applications.
  • Clear part-number references to help with parts-diagram and replacement checks.
  • Customer support for application questions based on the engine information supplied with an order.

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