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Sierra Marine Replacement Water Pump Kit with Housing — Part Number 18-3378
Brand: Sierra Marine | Replaces OEM: Johnson / Evinrude | Condition: New Old Stock (NOS)
You are purchasing a Sierra Marine aftermarket replacement Water Pump Kit with Housing, part number 18-3378. Sierra Marine products are engineered to meet or exceed original OEM specifications — never installed, never used.
Condition Details: This is a New Old Stock (NOS) part. The kit itself is in new, uninstalled condition. As is common with NOS inventory, the original packaging may show signs of age, including shelf wear, dust, or minor cosmetic blemishes on the bag or box. The part is new and fully functional.
Part Number / Supersede / Cross-Reference Information:
- Sierra Part Number: 18-3378
- Replaces Johnson / Evinrude OEM Part Numbers: 391635 | 439077
- Also cross-references: Mallory 9-48204 | GLM 12210
- We recommend verifying any current supersede numbers through your local marine dealer or the official Sierra parts catalog prior to ordering.
Compatible Applications:
- Johnson / Evinrude 50HP Outboard — 1979 to 1985
- Johnson / Evinrude 55HP Outboard — 1979 to 1985
- Johnson / Evinrude 60HP Outboard — 1980 to 1985
Why Choose Sierra Marine? Sierra provides premium-quality aftermarket marine replacements engineered to meet or exceed OEM specifications and built to stand up in harsh marine environments — delivering reliable performance at a competitive price.
Returns: We proudly offer hassle-free returns. If you are not completely satisfied with your purchase for any reason, simply open a return request through eBay within 30 days of purchase and we will take care of you promptly.
Thank you for choosing QBS Parts Inc! We truly appreciate your business. If you have any issues whatsoever with your order, please give us the opportunity to resolve it before leaving feedback — we are committed to making every transaction a great experience.
Please verify fitment using your engine's model and serial number before purchasing. Feel free to message us with any questions — we're here to help!
