Sierra Prop Nut Kit 18-3774, Replaces Suzuki 57630-94500, Fits DT75/85/90/100/115/140 & DF60/70 V-Style

The Sierra 18-3774 Prop Nut Kit is a complete propeller hardware kit for compatible Suzuki outboards, combining the prop nut and cotter pin needed to properly secure the propeller to the propeller shaft. Rather than sourcing the nut and pin as separate items, this kit bundles both components so the correct matched hardware is on hand for a propeller installation or replacement job.

The kit contains a Sierra 18-3726 Prop Nut and a Sierra 18-3735 Cotter Pin, and it is interchangeable with the Suzuki 57630-94500 nut. It is built for outboards using the V-Style prop hub configuration, covering Suzuki DT75, DT85, DT90, DT100, DT115, and DT140 models with V-Style, as well as DF60 and DF70 models with V-Style.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-3774
• Product Type: Prop Nut Kit
• Kit Contents: 18-3726 Prop Nut, 18-3735 Cotter Pin
• OEM Cross Reference: Suzuki 57630-94500
• Weight: 0.5 pounds
• Product Dimensions: 1.61 x 5.98 x 7.09 inches
• UPC: 808282238216

Fitment

• Suzuki DT75/85/90/100/115, 140 with V-Style
• Suzuki DF60/70 with V-Style

Replaces (OEM)

• 57630-94500

Frequently Asked Questions

What does the Sierra 18-3774 Prop Nut Kit include? The kit includes a Sierra 18-3726 Prop Nut and a Sierra 18-3735 Cotter Pin, giving you both pieces of hardware needed to secure the propeller in one purchase.

Is the 18-3774 kit interchangeable with a Suzuki part number? Yes, the Sierra 18-3774 Prop Nut Kit is interchangeable with Suzuki part number 57630-94500.

Which Suzuki outboards is the 18-3774 Prop Nut Kit designed for? It is designed for Suzuki DT75, DT85, DT90, DT100, DT115, and DT140 models with V-Style, as well as DF60 and DF70 models with V-Style.

Will this kit fit a Suzuki outboard that does not use the V-Style prop hub? The 18-3774 kit is specified for outboards with the V-Style configuration; fitment outside the listed V-Style DT75/85/90/100/115/140 and DF60/70 models is not specified.

How much does the prop nut kit weigh? The Sierra 18-3774 Prop Nut Kit weighs 0.5 pounds.

What are the dimensions of the packaged kit? The 18-3774 kit measures 1.61 x 5.98 x 7.09 inches as packaged.

Do I need to replace the cotter pin every time I remove the propeller? The 18-3735 Cotter Pin included in the 18-3774 kit is meant to be replaced whenever the propeller is removed and reinstalled, which is why it is bundled with the prop nut in this kit.

Is this a genuine Sierra part or an aftermarket copy? This is a Sierra-branded Prop Nut Kit, part number 18-3774, manufactured for compatibility with the listed Suzuki outboard models.

Can I buy the prop nut and cotter pin separately instead of the kit? The 18-3726 Prop Nut and 18-3735 Cotter Pin are the individual components that make up the 18-3774 kit, so buyers who only need one piece can look for those individual part numbers.

What OEM number should I search for to confirm this fits my Suzuki outboard? Suzuki 57630-94500 is the OEM number this Sierra 18-3774 kit replaces, so matching that number against your outboard's parts diagram confirms fitment.