Product Description
Brand New aftermarket water pump without bypass for MerCruiser small block engines. The water pump meets or exceeds factory specifications and is a direct replacement. Fits both composite and non composite timing covers.

Replaces Part # 18-3506, 18-3583, 18-3599, 46-879194401, 879194401
Direct Replacement
Bi-Directional
Stainless Steel Shaft
Stainless Steel Pulley
Stainless Steel Hub

excellent experience here, beautiful product, easy purchase, quick delivery.    Review by Thomas

The color options for this product are really beautiful.    Review by ISABELLEELEA

I got shipping confirmation and can contact the company for information about my package.    Review by Gildas

Parcel arrived in time. it is beautiful and of good quality. Very happy with the purchase.    Review by Gzg

Everything I get from here is always great and on time even sometimes earlier which is better!!    Review by July

My experience has been amazing. The selection, the prices and most of all the service!    Review by bukk

Top-notch!    Review by Timeothee

Excellence experience. Fast shipping. Secure packaging. Product was better than described.    Review by sofiane

Super fast shipping, great boxing and easy to order. Definitely keep ordering from here.    Review by Melanie

Items took a while to ship but were definitely made up for by quality and customer service. Great website.    Review by Bastien

Smart choice    Review by BAZIN

My favorite website for shopping these days . Unique different brands from all over the globe. Easy to use.    Review by Bear

Thank you for your delivery. It was fast, the clutch is very nice and i will come back for more shopping.    Review by Villana

I really love the item so much!    Review by Charlemagne

I ordered my item on Wednesday and I received it in 10 days.    Review by GG

Fast and efficient shopping experience....this won't be the last time I'm ordering from here!! Great job!!!    Review by vermeille

A beautiful site, easy to navigate, great products selection and a great customer service. Thank you .    Review by moripat

Exceptional durability    Review by Benoît

Jessica was amazing at helping me find it in store! Beautiful products displayed as usual...ty!    Review by fanjaud

The ease of use of this product is unbeatable.    Review by caps

Ordering was easy and my purchase came promptly. It was exactly as pictured, being of excellent quality.    Review by Maman

Yeah I enjoyed it everything when fine    Review by Caroline

I was so pleased I got my Louie with in ten days    Review by Kamikazee

Shipping was so fast!! Item arrived beautifully packed, and exactly as described.    Review by Nelson