Water Pump Impeller – Fits Johnson/Evinrude 10-35 HP (Replaces 375638, 775518)
Water Pump Impeller – Fits Johnson/Evinrude 10-35 HP (Replaces 375638, 775518)

Water Pump Impeller – Fits Johnson/Evinrude 10-35 HP (Replaces 375638, 775518)

Vendor: JLM Marine
Availability: In Stock
Product Type: Water Pump Impeller
$15.95
$19.00
$15.95
Subtotal: $15.95

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Water Pump Impeller – Fits Johnson/Evinrude 10-35 HP (Replaces 375638, 775518)

Water Pump Impeller – Fits Johnson/Evinrude 10-35 HP (Replaces 375638, 775518)

$19.00 $15.95
Water Pump Impeller – Fits Johnson/Evinrude 10-35 HP (Replaces 375638, 775518)

Water Pump Impeller – Fits Johnson/Evinrude 10-35 HP (Replaces 375638, 775518)

$19.00 $15.95
Описание

Water Pump Impeller – Fits Johnson/Evinrude 10-35 HP (Replaces 375638, 775518)

This water pump impeller is designed for a wide range of Johnson/Evinrude 10-35 HP 2-stroke outboard engines manufactured between 1949 and 1978. It covers specific models including 10 HP (1949–1957), 15/18 HP (1953–1973), 20/25 HP (1966–1978), and 35 HP (1970–1978).

It serves as a direct replacement for multiple OEM and aftermarket part numbers, ensuring broad compatibility for engine maintenance and repair.

  • Engineered for direct, hassle-free installation.
  • Constructed with a durable neoprene impeller and a solid brass hub.
  • Designed to meet or exceed original equipment specifications for reliable cooling performance.

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Brand Part Number
Johnson/Evinrude 375638 / 0375638
Johnson/Evinrude 775518 / 0775518
Johnson/Evinrude 777829 / 0777829
Sierra 18-3002
GLM 89650
Mallory 9-45215 / 9-45215-10
Mercury (Cross-Reference Only) 802315

Compatible Engine Models

Confirm your engine model/year in the table below. For Johnson/Evinrude owners, here’s a guide to help you identify your engine’s serial/model: Johnson Serial Number Guide.

Brand Model Rated HP Stroke Years OEM Part No. Notes
Johnson/Evinrude QD-10, QD-11 10 2-Stroke 1949-1950 375638, 775518
Johnson/Evinrude QD-12, QD-13 10 2-Stroke 1951-1952 375638, 775518
Johnson/Evinrude QD-14 10 2-Stroke 1953 375638, 775518
Johnson/Evinrude QD-15, QD-16 10 2-Stroke 1954-1955 375638, 775518
Johnson/Evinrude QD-17, 10012, 10013 10 2-Stroke 1956 375638, 775518
Johnson/Evinrude QD-18, 10014, 10015 10 2-Stroke 1957 375638, 775518
Johnson/Evinrude 15014, 15015 15 2-Stroke 1955 375638, 775518
Johnson/Evinrude E-10, FD-10, 15016, 15017, 15918, 15919 15 2-Stroke 1956 375638, 775518
Johnson/Evinrude E-11, FD-11, 15020, 15021, 15922, 15923 18 2-Stroke 1957 375638, 775518
Johnson/Evinrude E-12, FD-12, 15024, 15025, 15926, 15927 18 2-Stroke 1958 375638, 775518
Johnson/Evinrude FD-13, 15028, 15029 18 2-Stroke 1959 375638, 775518
Johnson/Evinrude FD-14, 15032, 15033 18 2-Stroke 1960 375638, 775518
Johnson/Evinrude FD-15, 15034, 15035 18 2-Stroke 1961 375638, 775518
Johnson/Evinrude FD-16, 15036, 15037 18 2-Stroke 1962 375638, 775518
Johnson/Evinrude FD-17, 18302, 18303 18 2-Stroke 1963 375638, 775518
Johnson/Evinrude FD-18, 18402, 18403 18 2-Stroke 1964 375638, 775518
Johnson/Evinrude FD-19, 18502, 18503 18 2-Stroke 1965 375638, 775518
Johnson/Evinrude FD-20 20 2-Stroke 1966 375638, 775518
Johnson/Evinrude FD-21 20 2-Stroke 1967 375638, 775518
Johnson/Evinrude FD-22, FD-22A, FD-22E, FD-22M, FDL-22A, FDL-22E, FDL-22M, 18802A, 18802E, 18802M, 18803A, 18803E, 18803M 18/20 2-Stroke 1968 375638, 775518
Johnson/Evinrude 18902B, 18902D, 18903B, 18903D, 20R69, 20R69B, 20R69D, 20RL69, 20RL69B, 20RL69D, 25902, 25902B, 25902D, 25903, 25903B, 25903D, 25R69, 25R69B, 25R69D, 25RL69, 25RL69B, 25RL69D 18/20/25 2-Stroke 1969 375638, 775518
Johnson/Evinrude 18002C, 18002E, 18003C, 18003E, 20B70, 20BL70, 20R70, 20R70C, 20R70E, 20RL70, 20RL70C, 20RL70E, 25002, 25002C, 25002E, 25003, 25003C, 25003E, 25R70, 25R70C, 25R70E, 25RL70, 25RL70C, 25RL70E 18/20/25 2-Stroke 1970 375638, 775518
Johnson/Evinrude 18102S, 18103S, 20R71, 20R71S, 20RL71, 20RL71S, 25102, 25102S, 25103, 25103S, 25R71, 25R71S, 25RL71, 25RL71S 18/20/25 2-Stroke 1971 375638, 775518
Johnson/Evinrude 18202R, 18203R, 20R72, 20R72R, 20RL72, 20RL72R, 25202, 25202R, 25203, 25203R, 25252, 25252R, 25253, 25253R, 25E72, 25E72R, 25EL72, 25EL72R, 25R72, 25R72R, 25RL72, 25RL72R 18/20/25 2-Stroke 1972 375638, 775518
Johnson/Evinrude 18304A, 18305A, 203B02, 203B03, 20BR73, 20BRL73, 20R73, 20R73A, 20RL73, 20RL73A, 25302, 25302A, 25303, 25303A, 25352, 25352A, 25353, 25353A, 253B02, 253B03, 25BR73, 25BRL73, 25E73, 25E73A, 25EL73, 25EL73A, 25R73, 25R73A, 25RL73, 25RL73A 18/20/25 2-Stroke 1973 375638, 775518
Johnson/Evinrude 25402, 25402M, 25403, 25403M, 25452, 25452M, 25453, 25453M, 254B62, 254B63, 25BA74, 25BAL74, 25E74, 25E74M, 25EL74, 25EL74M, 25R74, 25R74M, 25RL74, 25RL74M 25 2-Stroke 1974 375638, 775518
Johnson/Evinrude 25502, 25502B, 25503, 25503B, 25552, 25552B, 25553, 25553B, 255B62, 255B63, 25BA75, 25BAL75, 25E75, 25E75B, 25EL75, 25EL75B, 25R75, 25R75B, 25RL75, 25RL75B 25 2-Stroke 1975 375638, 775518
Johnson/Evinrude 25602, 25602E, 25603, 25603E, 25652, 25652E, 25653, 25653E, 256B62, 256B63, 25BA76, 25BAL76, 25E76, 25E76E, 25EL76, 25EL76E, 25R76, 25R76E, 25RL76, 25RL76E 25 2-Stroke 1976 375638, 775518
Johnson/Evinrude 25702, 25702H, 25702S, 25703, 25703H, 25703S, 25752, 25752H, 25752S, 25753, 25753H, 25753S, 257B62, 257B63, 257BF02, 257BF03, 25BA77, 25BAL77, 25BF77, 25BFL77, 25E77, 25E77H, 25E77S, 25EL77, 25EL77H, 25EL77S, 25R77, 25R77H, 25R77S, 25RL77, 25RL77H, 25RL77S, 35702C, 35702H, 35703C, 35703H, 35752C, 35752H, 35753C, 35753H, 35E77C, 35E77H, 35EL77C, 35EL77H, 35R77C, 35R77H, 35RL77H 25/35 2-Stroke 1977 375638, 775518
Johnson/Evinrude 25802, 25802C, 25803, 25803C, 25832, 25833, 25852, 25852C, 25853, 25853C, 258B62, 258B63, 258BE52, 258BE53, 258BF62, 258BF63, 25BA78, 25BAL78, 25BE78, 25BEL78, 25BF78, 25BFL78, 25E78, 25E78C, 25EL78, 25EL78C, 25R78, 25R78C, 25RL78, 25RL78C, 35802R, 35803R, 35852R, 35853R, 35E78R, 35EL78R, 35R78R, 35RL78R 25/35 2-Stroke 1978 375638, 775518

Technical Specifications

Specification Value
Product Type Water Pump Impeller
Installation Direct Replacement
Housing Material Brass Hub
Housing Color Black
Dimensions External Diameter: 69.0-69.37 mm (2.72-2.73"), Internal Shaft Diameter: 12.68-12.8 mm (0.5"), Height: 13.08-13.30 mm (0.515-0.52")
Number of Blades 6
Weight 37-42 g (1.3-1.48 oz)

Package Contents

1 x Water Pump Impeller (375638/775518)

Installation Guide

  1. Disconnect the negative battery cable and shift the outboard into the neutral position.
  2. Unbolt and remove the lower unit (gearcase) from the upper engine housing.
  3. Locate the water pump, which is typically on top of the lower unit, and remove its housing bolts.
  4. Carefully lift the pump housing and slide the old impeller off the drive shaft. Note the rotational direction of the old impeller's blades.
  5. Clean the inside of the housing and the base plate, inspecting for any scoring, warping, or corrosion.
  6. Lightly lubricate the new impeller with marine grease and slide it onto the drive shaft.
  7. Turn the drive shaft clockwise while pressing down on the impeller to correctly seat the blades inside the housing.
  8. Reinstall the water pump housing, ensuring a proper seal, and tighten the bolts to the manufacturer's specified torque.
  9. Reattach the lower unit to the engine, making sure the drive shaft and water tube align correctly, and secure the bolts.
  10. Reconnect the battery and test the engine using a water supply (flushing muffs or in water) to verify a strong stream from the tell-tale port.

Troubleshooting & FAQ

How do I confirm this fits my engine?
This impeller fits a wide range of Johnson/Evinrude 10-35 HP 2-stroke outboards from 1949–1978. To ensure a correct fit, please check the "Compatible Engine Models" table and cross-reference your engine's model and year. Verifying your original part number against our "Part Number Cross-Reference" list is the most reliable method.

What are the signs of a failing water pump impeller?
Common signs include a weak or non-existent water stream from the engine's tell-tale outlet, engine overheating alarms, steam from the exhaust, or a noticeable decrease in engine performance.

How often should I replace the water pump impeller?
For preventative maintenance, it is recommended to inspect and replace the impeller annually or every 100 hours of use, whichever comes first. This interval may be shorter if you frequently operate in sandy, silty, or saltwater conditions.

Is this an OEM part?
This listing is for an aftermarket replacement part, not an OEM component. We build our parts to meet or exceed OEM specifications using high-grade materials. Production is completed in an ISO9001-certified facility, and each batch is inspected to ensure consistent quality and performance.

How fast do you ship and how much does it cost?
We offer fast global shipping, with most orders arriving within 5–15 days worldwide. Standard shipping is free for all orders. Expedited options are available at checkout and vary by location.

What is your warranty and return policy?
This product includes a 1-year warranty against manufacturing defects under normal use. If you encounter an issue, contact our support team with your order details. Returns are accepted within our standard return window for unused items in their original condition; please see our official policy page or reach out for instructions.

Important Notes

  • Before purchasing, please verify that the product images, specifications, and listed part numbers match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
  • This product is an aftermarket replacement part and is not manufactured by the original equipment manufacturer (OEM).
  • Professional installation is recommended to ensure safety, proper function, and optimal performance. Damage from improper installation is not covered by the warranty.

Why Choose JLM MARINE?

  • Quality Assured: As a trusted manufacturer for over 20 years, we supply leading marine service brands globally with parts they can rely on.
  • Fast Global Shipping: We provide free delivery worldwide from our international warehouses, typically within 5–15 days.
  • Direct from Manufacturer: By cutting out the middleman, we offer competitive pricing without ever compromising on quality or performance.
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О компании JLM Marine

Основанная в 2002 году, компания JLM Marine зарекомендовала себя как специализированный производитель высококачественных морских деталей, базирующийся в Китае. Наша приверженность совершенству в производстве заслужила нам доверие ведущих мировых морских брендов.

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