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Acme Automotive 644 Marine Propeller 13.25 x 16 4-Blade 1-1/8" Bore

Manufacturer

Acme Automotive

<h3>About Acme Automotive</h3><p>Acme Automotive has built a strong reputation in the marine industry as a trusted manufacturer of precision-engineered inboard boat propellers and propeller accessories. Designed and crafted to exacting standards, Acme's marine products are a go-to choice for competitive water-skiers, wakeboarders, and serious boaters who demand reliable, high-performance hardware every time they hit the water.</p><p>What sets Acme apart is a relentless commitment to quality manufacturing. <strong>All Acme propellers and accessories are designed and machined to the highest quality standards</strong>, with the brand proudly serving some of the most demanding boat builders in the industry. Whether you're running a tournament-grade inboard ski boat or a family cruiser, Acme's catalog covers a wide range of shaft sizes, blade counts, and performance profiles to match your specific application.</p><h3>Prop Pullers Built for Inboard Boats</h3><p>One of Acme's most recognized product lines is its lineup of <a href="/4688-acme-automotive-prop-pullers-200815">prop pullers</a>. Inboard boats use a tapered prop shaft — a design that locks the propeller securely during operation but can make removal surprisingly difficult without the right tool. Acme's C-clamp style <a href="/4688-acme-automotive-prop-pullers-202386">prop pullers</a> are constructed from drop-forged aluminum for durability and long-term reliability, available in multiple sizes to fit 1&quot;, 1-1/8&quot;, and 1-1/4&quot; shafts, and compatible with both 3- and 4-blade propellers. For any inboard boat owner who carries a spare prop, an Acme prop puller is considered essential gear.</p><h3>Prop Nuts, Thrust Washers & Hardware</h3><p>Keeping a propeller properly secured to the shaft requires more than just the prop itself. Acme's <a href="/4688-acme-automotive-prop-nuts-thrust-washers-202385">prop nuts and thrust washers</a> provide the critical hardware needed for safe, correctly torqued propeller installations. Acme prop nut kits typically include a nylon lock nut, cotter pin, and key — everything needed to button up a prop change correctly and confidently.</p><h3>Clutch Hub Holders</h3><p>For technicians performing propeller service or drivetrain work on inboard vessels, Acme's <a href="/4688-acme-automotive-clutch-hub-holder-20250">clutch hub holder</a> is a specialized tool that simplifies the job. Holding the clutch hub steady during removal and installation prevents damage to drivetrain components and saves considerable time in the shop or on the water.</p><h3>A Brand Trusted on the Water</h3><p>From tournament ski boats and wake boats to cruisers and fishing vessels, Acme Automotive's marine lineup covers the full spectrum of inboard boating needs. With products found on MasterCraft, Malibu, Centurion, Supra, Tige, Nautique, and many other leading boat brands, Acme has become a staple name among boaters who take performance and reliability seriously.</p>

Part Number

644
06/21/2036 6:49 AM
Sale Price

$807.36

4 left at this price

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Usually delivered within 2 days

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Product Details

The Acme Automotive 644 is a precision-engineered 4-blade marine propeller designed for superior performance and durability. Featuring a 13.25-inch diameter with a 16-inch pitch and right-hand rotation, this propeller delivers excellent acceleration and top-end speed for a wide range of marine applications.

Key Specifications:

  • Diameter: 13.25 inches
  • Pitch: 16 inches
  • Rotation: Right-hand (R)
  • Bore Size: 1-1/8 inch
  • Cup: .105 inch
  • Blade Configuration: 4-blade design

Manufacturing Excellence:

  • Engineered and manufactured in Acme's U.S. facilities
  • Precision CNC machining ensures accurate diameter, pitch, and cup specifications
  • Rigorous inspection process for consistent quality control
  • Direct factory shipping for quality assurance

The 4-blade design provides improved handling, reduced vibration, and better hole shot performance compared to 3-blade propellers. The .105-inch cup adds bite and helps reduce slippage, while the precision-machined construction ensures balanced, smooth operation at all speeds.

Products specifications

Bore

1-1/8"

Cup

0.105

Description

4 Blade

Diameter

13-1/4"

Pitch

16

Fine

so far this has been an excellent experience... we will see how the shipping, arrival, accuracy and quality when the parts show up.

Checkout was easy and quick.

Received order quickly. I had to return it because I ordered the wrong part. I would not hesitate to order from this company again.

Ordering was very easy and product was delivered within a week. I ordered a battery and it was received in good condition and works. I would recommend autoplicity to others.

good service

none

fast and easy

Excellent transaction. Very fast shipping & shipping packaging high quality. Item well protected. Product expected was the product received. Will buy again from Autoplicity.com.

Regarding order 708:<br><br>I would order from Autoplicity again without hesitation. The order process was simple and I received my order within a few days. I am very happy with my purchase.

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