--- product_id: 70273728 title: "Water Pump Impeller Kit Compatible with Johnson F6B-9 Pumps Indmar Monsoon, Hammerhead, Raptor & Volvo Penta Engines" brand: "replacementkits.com" price: "¥7500" currency: JPY in_stock: true reviews_count: 8 category: "Replacementkits.Com" url: https://www.desertcart.jp/products/70273728-water-pump-impeller-kit-compatible-with-johnson-f6b-9-pumps store_origin: JP region: Japan --- # 12-blade precision impeller 5/8” brass spline drive Complete kit: impeller, O-ring & gasket Water Pump Impeller Kit Compatible with Johnson F6B-9 Pumps Indmar Monsoon, Hammerhead, Raptor & Volvo Penta Engines **Brand:** replacementkits.com **Price:** ¥7500 **Availability:** ✅ In Stock ## Summary > 🚤 Upgrade your boat’s heartbeat with precision and durability! ## Quick Answers - **What is this?** Water Pump Impeller Kit Compatible with Johnson F6B-9 Pumps Indmar Monsoon, Hammerhead, Raptor & Volvo Penta Engines by replacementkits.com - **How much does it cost?** ¥7500 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/70273728-water-pump-impeller-kit-compatible-with-johnson-f6b-9-pumps) ## Best For - replacementkits.com enthusiasts ## Why This Product - Trusted replacementkits.com brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Versatile Compatibility:** Fits Johnson F6B-9 pumps and popular Indmar Monsoon, Hammerhead, Raptor, and Volvo Penta engines—trusted by top boat brands. - • **All-in-One Replacement Kit:** Includes impeller, O-ring, and gasket for hassle-free maintenance and guaranteed compatibility. - • **American Quality Assurance:** Crafted with premium neoprene and brass by an American-owned company, backed by a 100% satisfaction guarantee. - • **Durable Brass Spline Drive:** 5/8” brass insert ensures a secure, long-lasting fit that resists wear and tear under heavy marine conditions. - • **Precision Engineered 12-Blade Impeller:** Maximize water flow with a 2-1/4” diameter impeller designed for peak pump efficiency. ## Overview This Water Pump Impeller Kit is a direct replacement for Johnson F6B-9 and compatible marine pumps, featuring a 12-blade neoprene impeller with a brass 5/8” spline drive. The kit includes all necessary components—impeller, O-ring, and gasket—ensuring a perfect fit for Indmar Monsoon, Hammerhead, Raptor, and Volvo Penta engines. Built with premium materials for long-lasting performance, it’s an American-made solution trusted by professional boaters and DIY enthusiasts alike. ## Description Product description Upgrade your Sea Star Steering Helms with our comprehensive replacement kit. Key Features [Comprehensive Kit]: This kit includes all the necessary seals to replace worn components on your Steering Helm [Direct Replacement Parts]: Replaces OEM Part # HS5176 [Versatile Fit]: Designed for SeaStar & BayStar Helms HH-5271, HH-5272, HH-5741, HH-5742 & HH-5750 [Durable Construction]: These seals & gasket are made from high-grade materials, that offer long-lasting performance and resistance against wear and tear. Our gasket is Made in the USA from a durable Garlock Blue Guard 3000 Material. [American Owned]: As an American-owned company, we pride ourselves on offering the highest quality aftermarket parts available, Designed for durability and reliability, our comprehensive kit includes Kit Includes the following 1 Impeller Neoprene + Brass 12 Blades OD 2-1/4" x 1-15/16" Wide Spline Drive 1 O-Ring 1 Gasket REPLACEMENTKITS.COM Offer a variety of replacement parts for the professional and DIY Repair Person. All of our kits have verified parts and are manufactured with quality materials. Today more than ever, it's difficult to know a quality replacement part. With over 30 years of sealing industry experience, let us help by shipping you quality made products that fit & work as expected! Application Replacement Kits Aftermarket Water Pump Impeller Kit includes the following items 1 Impeller (Neoprene + Brass) 12 Blades OD 2-1/4" x 1-15/16" Wide Spline Drive 1 Gasket Our Aftermarket impeller kit fits the following models: Johnson F6B-9 V8 Pumps Several Indar Monsoon Models: 320HP 325HP 330HP 335HP 340HP 350HP (featured in Supra, Moomba, Mastercraft & Tige) V Penta 3588914 3584350 21213664 3593660 2123664 3841696 Our Aftermarket impeller kit fits the following models Johnson F6B-9 V8 Pumps Several Indar Monsoon Models: 320HP 325HP 330HP 335HP 340HP 350HP (featured in Supra, Moomba, Mastercraft & Tige) V Penta 3588914 3584350 21213664 3593660 2123664 3841696 Our Aftermarket Impeller replaces the following models Johnson 09-812B-1 09-812B Sierra 18-3306 Indmar S685007 Yanmar 119773-42600 ME420TI Yamaha 6TA-12457-00 Engineered for Maximum Performance Preserves Life and Provent's Impurities from Entering the System Review: Direct fit no hassle. - Worked perfectly! You should check these yearly, I got lucky mine was pretty bad but was still functioning, pretty sure it wouldn't have made the summer though. Review: It fit . ItvWorks. - It fit It Works.. ## Features - [Comprehensive Kit]: This kit includes 1 Impeller, 1 O-Ring and 1 Gasket to replace worn components on your water pump. - [Dimensions]: Each impeller boasts 12 Blades, a diameter of approximately 2-1/4”, a width of 1-15/16” and features a 5/8” shaft spline drive brass insert. - [Direct Replacement Parts]: Replaces Part # Johnson 09-812B-1, 09-812B; Indmar S685007, 685001; Sierra 18-3306, Yanmar 119773-42600, Jabsco 13554-0001-P - [Versatile Fit]: Designed for Johnson F6B-9, 10-24232-1, 10-24915-01 & Jabsco 50410-1201 Pumps. Found on Indar Monsoon, Hammerhead & Raptor Models: 320HP 325HP 330HP 335HP 340HP 350HP (featured in Supra, Moomba, Mastercraft & Tige) Volvo Penta 3588914, 3584350, 21213664, 3593660, 2123664, 3841696 & Others - [Durable Construction]: These impellers are constructed from high-grade materials such as Neoprene Premium Rubber & Solid Brass, that offer long-lasting performance and resistance against wear and tear. - [American Owned]: As an American-owned company, we pride ourselves on offering the highest quality aftermarket parts available, with a 100% satisfaction guarantee for your peace of mind. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B073PGLJRK | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #50,929 in Automotive ( See Top 100 in Automotive ) #67 in Automotive Replacement Engine Water Pumps | | Brand | REPLACEMENTKITS.COM | | Brand Name | REPLACEMENTKITS.COM | | Compatible with Vehicle Type | Boat | | Customer Reviews | 4.3 out of 5 stars 254 Reviews | | Manufacturer | REPLACEMENTKITS.COM | | Manufacturer Part Number | REPLACEMENTKITS.COM | | Material | Brass | | Material Type | Brass | | Model Number | REPLACEMENTKITS.COM | | OEM Equivalent Part Number | 09-812B-1 | | OEM Part Number | 09-812B-1 | | Part Interchange Info | replacement,replacementkits.com | | UPC | 853073007632 | | Vehicle Service Type | Boat | | Weight Class | Lightweight" or "Medium | ## Product Details - **Automotive Fit Type:** Vehicle Specific Fit - **Brand:** REPLACEMENTKITS.COM - **Manufacturer:** REPLACEMENTKITS.COM - **Material:** Brass - **OEM Part Number:** 09-812B-1 - **UPC:** 853073007632 - **Vehicle Service Type:** Boat - **Weight Class:** Lightweight" or "Medium ## Images ![Water Pump Impeller Kit Compatible with Johnson F6B-9 Pumps Indmar Monsoon, Hammerhead, Raptor & Volvo Penta Engines - Image 1](https://m.media-amazon.com/images/I/61oJmIpx3+L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Direct fit no hassle. *by D***E on December 10, 2025* Worked perfectly! You should check these yearly, I got lucky mine was pretty bad but was still functioning, pretty sure it wouldn't have made the summer though. ### ⭐⭐⭐⭐⭐ It fit . ItvWorks. *by A***R on September 18, 2025* It fit It Works.. ### ⭐⭐⭐⭐⭐ Works perfectly *by J***D on July 10, 2025* As described ## Frequently Bought Together - REPLACEMENTKITS.COM Water Pump Impeller Kit Compatible with Johnson F6B-9 Pumps Indmar Monsoon, Hammerhead, Raptor & Volvo Penta Engines - Sea Dog Line - 660040-1 Impeller Pull SS 2-1/4"-2-9/16" --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/70273728-water-pump-impeller-kit-compatible-with-johnson-f6b-9-pumps](https://www.desertcart.jp/products/70273728-water-pump-impeller-kit-compatible-with-johnson-f6b-9-pumps) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-06-18*